[RFC PATCH 1/5] phy: qcom-qmp: split combo PHY support
Dmitry Baryshkov
dmitry.baryshkov at linaro.org
Mon May 16 04:45:21 PDT 2022
QMP driver has slowly become the unmanageable beast with tons of corner
cases and conditions. To start cleaning up the driver split away the
latest addition - the combo USB+DP PHY driver.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
drivers/phy/qualcomm/Makefile | 2 +-
drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 1289 +++++++++++++++++
drivers/phy/qualcomm/phy-qcom-qmp-lib.h | 285 ++++
drivers/phy/qualcomm/phy-qcom-qmp.c | 1610 ++-------------------
4 files changed, 1727 insertions(+), 1459 deletions(-)
create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-combo.c
create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-lib.h
diff --git a/drivers/phy/qualcomm/Makefile b/drivers/phy/qualcomm/Makefile
index e9e3b1a4dbb0..699550467891 100644
--- a/drivers/phy/qualcomm/Makefile
+++ b/drivers/phy/qualcomm/Makefile
@@ -5,7 +5,7 @@ obj-$(CONFIG_PHY_QCOM_EDP) += phy-qcom-edp.o
obj-$(CONFIG_PHY_QCOM_IPQ4019_USB) += phy-qcom-ipq4019-usb.o
obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA) += phy-qcom-ipq806x-sata.o
obj-$(CONFIG_PHY_QCOM_PCIE2) += phy-qcom-pcie2.o
-obj-$(CONFIG_PHY_QCOM_QMP) += phy-qcom-qmp.o
+obj-$(CONFIG_PHY_QCOM_QMP) += phy-qcom-qmp.o phy-qcom-qmp-combo.o
obj-$(CONFIG_PHY_QCOM_QUSB2) += phy-qcom-qusb2.o
obj-$(CONFIG_PHY_QCOM_USB_HS) += phy-qcom-usb-hs.o
obj-$(CONFIG_PHY_QCOM_USB_HSIC) += phy-qcom-usb-hsic.o
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
new file mode 100644
index 000000000000..cc6f7ede6d74
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
@@ -0,0 +1,1289 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022, Linaro Ltd., All rights reserved
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/phy/phy.h>
+
+#include "phy-qcom-qmp.h"
+#include "phy-qcom-qmp-lib.h"
+
+struct qmp_phy_dp_clks {
+ struct qmp_phy *qphy;
+ struct clk_hw dp_link_hw;
+ struct clk_hw dp_pixel_hw;
+};
+
+struct qmp_phy_combo_cfg {
+ const struct qmp_phy_cfg *usb_cfg;
+ const struct qmp_phy_cfg *dp_cfg;
+};
+
+static void qcom_qmp_v3_phy_dp_aux_init(struct qmp_phy *qphy)
+{
+ writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
+ DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN,
+ qphy->pcs + QSERDES_DP_PHY_PD_CTL);
+
+ /* Turn on BIAS current for PHY/PLL */
+ writel(QSERDES_V3_COM_BIAS_EN | QSERDES_V3_COM_BIAS_EN_MUX |
+ QSERDES_V3_COM_CLKBUF_L_EN | QSERDES_V3_COM_EN_SYSCLK_TX_SEL,
+ qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN);
+
+ writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
+
+ writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
+ DP_PHY_PD_CTL_LANE_0_1_PWRDN |
+ DP_PHY_PD_CTL_LANE_2_3_PWRDN | DP_PHY_PD_CTL_PLL_PWRDN |
+ DP_PHY_PD_CTL_DP_CLAMP_EN,
+ qphy->pcs + QSERDES_DP_PHY_PD_CTL);
+
+ writel(QSERDES_V3_COM_BIAS_EN |
+ QSERDES_V3_COM_BIAS_EN_MUX | QSERDES_V3_COM_CLKBUF_R_EN |
+ QSERDES_V3_COM_CLKBUF_L_EN | QSERDES_V3_COM_EN_SYSCLK_TX_SEL |
+ QSERDES_V3_COM_CLKBUF_RX_DRIVE_L,
+ qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN);
+
+ writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG0);
+ writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
+ writel(0x24, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
+ writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG3);
+ writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG4);
+ writel(0x26, qphy->pcs + QSERDES_DP_PHY_AUX_CFG5);
+ writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG6);
+ writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG7);
+ writel(0xbb, qphy->pcs + QSERDES_DP_PHY_AUX_CFG8);
+ writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG9);
+ qphy->dp_aux_cfg = 0;
+
+ writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK |
+ PHY_AUX_SYNC_ERR_MASK | PHY_AUX_ALIGN_ERR_MASK |
+ PHY_AUX_REQ_ERR_MASK,
+ qphy->pcs + QSERDES_V3_DP_PHY_AUX_INTERRUPT_MASK);
+}
+
+static const u8 qmp_dp_v3_pre_emphasis_hbr3_hbr2[4][4] = {
+ { 0x00, 0x0c, 0x15, 0x1a },
+ { 0x02, 0x0e, 0x16, 0xff },
+ { 0x02, 0x11, 0xff, 0xff },
+ { 0x04, 0xff, 0xff, 0xff }
+};
+
+static const u8 qmp_dp_v3_voltage_swing_hbr3_hbr2[4][4] = {
+ { 0x02, 0x12, 0x16, 0x1a },
+ { 0x09, 0x19, 0x1f, 0xff },
+ { 0x10, 0x1f, 0xff, 0xff },
+ { 0x1f, 0xff, 0xff, 0xff }
+};
+
+static const u8 qmp_dp_v3_pre_emphasis_hbr_rbr[4][4] = {
+ { 0x00, 0x0c, 0x14, 0x19 },
+ { 0x00, 0x0b, 0x12, 0xff },
+ { 0x00, 0x0b, 0xff, 0xff },
+ { 0x04, 0xff, 0xff, 0xff }
+};
+
+static const u8 qmp_dp_v3_voltage_swing_hbr_rbr[4][4] = {
+ { 0x08, 0x0f, 0x16, 0x1f },
+ { 0x11, 0x1e, 0x1f, 0xff },
+ { 0x19, 0x1f, 0xff, 0xff },
+ { 0x1f, 0xff, 0xff, 0xff }
+};
+
+static int qcom_qmp_phy_configure_dp_swing(struct qmp_phy *qphy,
+ unsigned int drv_lvl_reg, unsigned int emp_post_reg)
+{
+ const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
+ unsigned int v_level = 0, p_level = 0;
+ u8 voltage_swing_cfg, pre_emphasis_cfg;
+ int i;
+
+ for (i = 0; i < dp_opts->lanes; i++) {
+ v_level = max(v_level, dp_opts->voltage[i]);
+ p_level = max(p_level, dp_opts->pre[i]);
+ }
+
+ if (dp_opts->link_rate <= 2700) {
+ voltage_swing_cfg = qmp_dp_v3_voltage_swing_hbr_rbr[v_level][p_level];
+ pre_emphasis_cfg = qmp_dp_v3_pre_emphasis_hbr_rbr[v_level][p_level];
+ } else {
+ voltage_swing_cfg = qmp_dp_v3_voltage_swing_hbr3_hbr2[v_level][p_level];
+ pre_emphasis_cfg = qmp_dp_v3_pre_emphasis_hbr3_hbr2[v_level][p_level];
+ }
+
+ /* TODO: Move check to config check */
+ if (voltage_swing_cfg == 0xFF && pre_emphasis_cfg == 0xFF)
+ return -EINVAL;
+
+ /* Enable MUX to use Cursor values from these registers */
+ voltage_swing_cfg |= DP_PHY_TXn_TX_DRV_LVL_MUX_EN;
+ pre_emphasis_cfg |= DP_PHY_TXn_TX_EMP_POST1_LVL_MUX_EN;
+
+ writel(voltage_swing_cfg, qphy->tx + drv_lvl_reg);
+ writel(pre_emphasis_cfg, qphy->tx + emp_post_reg);
+ writel(voltage_swing_cfg, qphy->tx2 + drv_lvl_reg);
+ writel(pre_emphasis_cfg, qphy->tx2 + emp_post_reg);
+
+ return 0;
+}
+
+static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy)
+{
+ const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
+ u32 bias_en, drvr_en;
+
+ if (qcom_qmp_phy_configure_dp_swing(qphy,
+ QSERDES_V3_TX_TX_DRV_LVL,
+ QSERDES_V3_TX_TX_EMP_POST1_LVL) < 0)
+ return;
+
+ if (dp_opts->lanes == 1) {
+ bias_en = 0x3e;
+ drvr_en = 0x13;
+ } else {
+ bias_en = 0x3f;
+ drvr_en = 0x10;
+ }
+
+ writel(drvr_en, qphy->tx + QSERDES_V3_TX_HIGHZ_DRVR_EN);
+ writel(bias_en, qphy->tx + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
+ writel(drvr_en, qphy->tx2 + QSERDES_V3_TX_HIGHZ_DRVR_EN);
+ writel(bias_en, qphy->tx2 + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
+}
+
+static bool qcom_qmp_phy_configure_dp_mode(struct qmp_phy *qphy)
+{
+ u32 val;
+ bool reverse = false;
+
+ val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
+ DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN;
+
+ /*
+ * TODO: Assume orientation is CC1 for now and two lanes, need to
+ * use type-c connector to understand orientation and lanes.
+ *
+ * Otherwise val changes to be like below if this code understood
+ * the orientation of the type-c cable.
+ *
+ * if (lane_cnt == 4 || orientation == ORIENTATION_CC2)
+ * val |= DP_PHY_PD_CTL_LANE_0_1_PWRDN;
+ * if (lane_cnt == 4 || orientation == ORIENTATION_CC1)
+ * val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN;
+ * if (orientation == ORIENTATION_CC2)
+ * writel(0x4c, qphy->pcs + QSERDES_V3_DP_PHY_MODE);
+ */
+ val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN;
+ writel(val, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
+
+ writel(0x5c, qphy->pcs + QSERDES_DP_PHY_MODE);
+
+ return reverse;
+}
+
+static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
+{
+ const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks;
+ const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
+ u32 phy_vco_div, status;
+ unsigned long pixel_freq;
+
+ qcom_qmp_phy_configure_dp_mode(qphy);
+
+ writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX0_TX1_LANE_CTL);
+ writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX2_TX3_LANE_CTL);
+
+ switch (dp_opts->link_rate) {
+ case 1620:
+ phy_vco_div = 0x1;
+ pixel_freq = 1620000000UL / 2;
+ break;
+ case 2700:
+ phy_vco_div = 0x1;
+ pixel_freq = 2700000000UL / 2;
+ break;
+ case 5400:
+ phy_vco_div = 0x2;
+ pixel_freq = 5400000000UL / 4;
+ break;
+ case 8100:
+ phy_vco_div = 0x0;
+ pixel_freq = 8100000000UL / 6;
+ break;
+ default:
+ /* Other link rates aren't supported */
+ return -EINVAL;
+ }
+ writel(phy_vco_div, qphy->pcs + QSERDES_V3_DP_PHY_VCO_DIV);
+
+ clk_set_rate(dp_clks->dp_link_hw.clk, dp_opts->link_rate * 100000);
+ clk_set_rate(dp_clks->dp_pixel_hw.clk, pixel_freq);
+
+ writel(0x04, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
+ writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
+ writel(0x05, qphy->pcs + QSERDES_DP_PHY_CFG);
+ writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
+ writel(0x09, qphy->pcs + QSERDES_DP_PHY_CFG);
+
+ writel(0x20, qphy->serdes + QSERDES_V3_COM_RESETSM_CNTRL);
+
+ if (readl_poll_timeout(qphy->serdes + QSERDES_V3_COM_C_READY_STATUS,
+ status,
+ ((status & BIT(0)) > 0),
+ 500,
+ 10000))
+ return -ETIMEDOUT;
+
+ writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
+
+ if (readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS,
+ status,
+ ((status & BIT(1)) > 0),
+ 500,
+ 10000))
+ return -ETIMEDOUT;
+
+ writel(0x18, qphy->pcs + QSERDES_DP_PHY_CFG);
+ udelay(2000);
+ writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
+
+ return readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS,
+ status,
+ ((status & BIT(1)) > 0),
+ 500,
+ 10000);
+}
+
+/*
+ * We need to calibrate the aux setting here as many times
+ * as the caller tries
+ */
+static int qcom_qmp_v3_dp_phy_calibrate(struct qmp_phy *qphy)
+{
+ static const u8 cfg1_settings[] = { 0x13, 0x23, 0x1d };
+ u8 val;
+
+ qphy->dp_aux_cfg++;
+ qphy->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings);
+ val = cfg1_settings[qphy->dp_aux_cfg];
+
+ writel(val, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
+
+ return 0;
+}
+
+static void qcom_qmp_v4_phy_dp_aux_init(struct qmp_phy *qphy)
+{
+ writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_PSR_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
+ DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN,
+ qphy->pcs + QSERDES_DP_PHY_PD_CTL);
+
+ /* Turn on BIAS current for PHY/PLL */
+ writel(0x17, qphy->serdes + QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN);
+
+ writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG0);
+ writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
+ writel(0xa4, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
+ writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG3);
+ writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG4);
+ writel(0x26, qphy->pcs + QSERDES_DP_PHY_AUX_CFG5);
+ writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG6);
+ writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG7);
+ writel(0xb7, qphy->pcs + QSERDES_DP_PHY_AUX_CFG8);
+ writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG9);
+ qphy->dp_aux_cfg = 0;
+
+ writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK |
+ PHY_AUX_SYNC_ERR_MASK | PHY_AUX_ALIGN_ERR_MASK |
+ PHY_AUX_REQ_ERR_MASK,
+ qphy->pcs + QSERDES_V4_DP_PHY_AUX_INTERRUPT_MASK);
+}
+
+static void qcom_qmp_v4_phy_configure_dp_tx(struct qmp_phy *qphy)
+{
+ /* Program default values before writing proper values */
+ writel(0x27, qphy->tx + QSERDES_V4_TX_TX_DRV_LVL);
+ writel(0x27, qphy->tx2 + QSERDES_V4_TX_TX_DRV_LVL);
+
+ writel(0x20, qphy->tx + QSERDES_V4_TX_TX_EMP_POST1_LVL);
+ writel(0x20, qphy->tx2 + QSERDES_V4_TX_TX_EMP_POST1_LVL);
+
+ qcom_qmp_phy_configure_dp_swing(qphy,
+ QSERDES_V4_TX_TX_DRV_LVL,
+ QSERDES_V4_TX_TX_EMP_POST1_LVL);
+}
+
+static int qcom_qmp_v4_phy_configure_dp_phy(struct qmp_phy *qphy)
+{
+ const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks;
+ const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
+ u32 phy_vco_div, status;
+ unsigned long pixel_freq;
+ u32 bias0_en, drvr0_en, bias1_en, drvr1_en;
+ bool reverse;
+
+ writel(0x0f, qphy->pcs + QSERDES_V4_DP_PHY_CFG_1);
+
+ reverse = qcom_qmp_phy_configure_dp_mode(qphy);
+
+ writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
+ writel(0xa4, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
+
+ writel(0x05, qphy->pcs + QSERDES_V4_DP_PHY_TX0_TX1_LANE_CTL);
+ writel(0x05, qphy->pcs + QSERDES_V4_DP_PHY_TX2_TX3_LANE_CTL);
+
+ switch (dp_opts->link_rate) {
+ case 1620:
+ phy_vco_div = 0x1;
+ pixel_freq = 1620000000UL / 2;
+ break;
+ case 2700:
+ phy_vco_div = 0x1;
+ pixel_freq = 2700000000UL / 2;
+ break;
+ case 5400:
+ phy_vco_div = 0x2;
+ pixel_freq = 5400000000UL / 4;
+ break;
+ case 8100:
+ phy_vco_div = 0x0;
+ pixel_freq = 8100000000UL / 6;
+ break;
+ default:
+ /* Other link rates aren't supported */
+ return -EINVAL;
+ }
+ writel(phy_vco_div, qphy->pcs + QSERDES_V4_DP_PHY_VCO_DIV);
+
+ clk_set_rate(dp_clks->dp_link_hw.clk, dp_opts->link_rate * 100000);
+ clk_set_rate(dp_clks->dp_pixel_hw.clk, pixel_freq);
+
+ writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
+ writel(0x05, qphy->pcs + QSERDES_DP_PHY_CFG);
+ writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
+ writel(0x09, qphy->pcs + QSERDES_DP_PHY_CFG);
+
+ writel(0x20, qphy->serdes + QSERDES_V4_COM_RESETSM_CNTRL);
+
+ if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_C_READY_STATUS,
+ status,
+ ((status & BIT(0)) > 0),
+ 500,
+ 10000))
+ return -ETIMEDOUT;
+
+ if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_CMN_STATUS,
+ status,
+ ((status & BIT(0)) > 0),
+ 500,
+ 10000))
+ return -ETIMEDOUT;
+
+ if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_CMN_STATUS,
+ status,
+ ((status & BIT(1)) > 0),
+ 500,
+ 10000))
+ return -ETIMEDOUT;
+
+ writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
+
+ if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS,
+ status,
+ ((status & BIT(0)) > 0),
+ 500,
+ 10000))
+ return -ETIMEDOUT;
+
+ if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS,
+ status,
+ ((status & BIT(1)) > 0),
+ 500,
+ 10000))
+ return -ETIMEDOUT;
+
+ /*
+ * At least for 7nm DP PHY this has to be done after enabling link
+ * clock.
+ */
+
+ if (dp_opts->lanes == 1) {
+ bias0_en = reverse ? 0x3e : 0x15;
+ bias1_en = reverse ? 0x15 : 0x3e;
+ drvr0_en = reverse ? 0x13 : 0x10;
+ drvr1_en = reverse ? 0x10 : 0x13;
+ } else if (dp_opts->lanes == 2) {
+ bias0_en = reverse ? 0x3f : 0x15;
+ bias1_en = reverse ? 0x15 : 0x3f;
+ drvr0_en = 0x10;
+ drvr1_en = 0x10;
+ } else {
+ bias0_en = 0x3f;
+ bias1_en = 0x3f;
+ drvr0_en = 0x10;
+ drvr1_en = 0x10;
+ }
+
+ writel(drvr0_en, qphy->tx + QSERDES_V4_TX_HIGHZ_DRVR_EN);
+ writel(bias0_en, qphy->tx + QSERDES_V4_TX_TRANSCEIVER_BIAS_EN);
+ writel(drvr1_en, qphy->tx2 + QSERDES_V4_TX_HIGHZ_DRVR_EN);
+ writel(bias1_en, qphy->tx2 + QSERDES_V4_TX_TRANSCEIVER_BIAS_EN);
+
+ writel(0x18, qphy->pcs + QSERDES_DP_PHY_CFG);
+ udelay(2000);
+ writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
+
+ if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS,
+ status,
+ ((status & BIT(1)) > 0),
+ 500,
+ 10000))
+ return -ETIMEDOUT;
+
+ writel(0x0a, qphy->tx + QSERDES_V4_TX_TX_POL_INV);
+ writel(0x0a, qphy->tx2 + QSERDES_V4_TX_TX_POL_INV);
+
+ writel(0x27, qphy->tx + QSERDES_V4_TX_TX_DRV_LVL);
+ writel(0x27, qphy->tx2 + QSERDES_V4_TX_TX_DRV_LVL);
+
+ writel(0x20, qphy->tx + QSERDES_V4_TX_TX_EMP_POST1_LVL);
+ writel(0x20, qphy->tx2 + QSERDES_V4_TX_TX_EMP_POST1_LVL);
+
+ return 0;
+}
+
+/*
+ * We need to calibrate the aux setting here as many times
+ * as the caller tries
+ */
+static int qcom_qmp_v4_dp_phy_calibrate(struct qmp_phy *qphy)
+{
+ static const u8 cfg1_settings[] = { 0x20, 0x13, 0x23, 0x1d };
+ u8 val;
+
+ qphy->dp_aux_cfg++;
+ qphy->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings);
+ val = cfg1_settings[qphy->dp_aux_cfg];
+
+ writel(val, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
+
+ return 0;
+}
+
+static const unsigned int qmp_v3_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
+ [QPHY_SW_RESET] = 0x00,
+ [QPHY_START_CTRL] = 0x08,
+ [QPHY_PCS_STATUS] = 0x174,
+ [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d8,
+ [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0dc,
+ [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x170,
+};
+
+static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
+ [QPHY_SW_RESET] = 0x00,
+ [QPHY_START_CTRL] = 0x44,
+ [QPHY_PCS_STATUS] = 0x14,
+ [QPHY_PCS_POWER_DOWN_CONTROL] = 0x40,
+ [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x308,
+ [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x314,
+};
+
+static const struct qmp_phy_init_tbl qmp_v3_dp_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x37),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_ENABLE1, 0x0e),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_BG_TIMER, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_CTRL, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
+};
+
+static const struct qmp_phy_init_tbl qmp_v3_dp_serdes_tbl_rbr[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x69),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x6f),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x00),
+};
+
+static const struct qmp_phy_init_tbl qmp_v3_dp_serdes_tbl_hbr[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x69),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x0e),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x00),
+};
+
+static const struct qmp_phy_init_tbl qmp_v3_dp_serdes_tbl_hbr2[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x8c),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x1c),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x00),
+};
+
+static const struct qmp_phy_init_tbl qmp_v3_dp_serdes_tbl_hbr3[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x69),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x2f),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x2a),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x08),
+};
+
+static const struct qmp_phy_init_tbl qmp_v3_dp_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_TRANSCEIVER_BIAS_EN, 0x1a),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_VMODE_CTRL1, 0x40),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_PRE_STALL_LDO_BOOST_EN, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_INTERFACE_SELECT, 0x3d),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_CLKBUF_ENABLE, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_RESET_TSYNC_EN, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_TRAN_DRVR_EMP_EN, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_PARRATE_REC_DETECT_IDLE_EN, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_TX_INTERFACE_MODE, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_TX_BAND, 0x4),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_TX_POL_INV, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_TX_DRV_LVL, 0x38),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_TX_EMP_POST1_LVL, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x07),
+};
+
+static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SVS_MODE_CLK_SEL, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x3b),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYS_CLK_CTRL, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_ENABLE1, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_CONFIG, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BG_TIMER, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE0, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_CTRL, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN, 0x17),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORE_CLK_EN, 0x1f),
+};
+
+static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_rbr[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x05),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x6f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04),
+};
+
+static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x0e),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08),
+};
+
+static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr2[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x8c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x1f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x1c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08),
+};
+
+static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr3[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x2f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x2a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08),
+};
+
+static const struct qmp_phy_init_tbl qmp_v4_dp_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_VMODE_CTRL1, 0x40),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_PRE_STALL_LDO_BOOST_EN, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_INTERFACE_SELECT, 0x3b),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_CLKBUF_ENABLE, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RESET_TSYNC_EN, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_TRAN_DRVR_EMP_EN, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_PARRATE_REC_DETECT_IDLE_EN, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_INTERFACE_MODE, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x11),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_BAND, 0x4),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_POL_INV, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_DRV_LVL, 0x2a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_EMP_POST1_LVL, 0x20),
+};
+
+/* list of clocks required by phy */
+static const char * const qmp_v3_phy_clk_l[] = {
+ "aux", "cfg_ahb", "ref", "com_aux",
+};
+
+static const char * const qmp_v4_phy_clk_l[] = {
+ "aux", "ref_clk_src", "ref", "com_aux",
+};
+
+/* list of resets */
+static const char * const sc7180_usb3phy_reset_l[] = {
+ "phy",
+};
+
+static const char * const msm8996_usb3phy_reset_l[] = {
+ "phy", "common",
+};
+
+/* list of regulators */
+static const char * const qmp_phy_vreg_l[] = {
+ "vdda-phy", "vdda-pll",
+};
+
+static const struct qmp_phy_cfg sc7180_dpphy_cfg = {
+ .type = PHY_TYPE_DP,
+ .nlanes = 1,
+
+ .serdes_tbl = qmp_v3_dp_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(qmp_v3_dp_serdes_tbl),
+ .tx_tbl = qmp_v3_dp_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(qmp_v3_dp_tx_tbl),
+
+ .serdes_tbl_rbr = qmp_v3_dp_serdes_tbl_rbr,
+ .serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v3_dp_serdes_tbl_rbr),
+ .serdes_tbl_hbr = qmp_v3_dp_serdes_tbl_hbr,
+ .serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v3_dp_serdes_tbl_hbr),
+ .serdes_tbl_hbr2 = qmp_v3_dp_serdes_tbl_hbr2,
+ .serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v3_dp_serdes_tbl_hbr2),
+ .serdes_tbl_hbr3 = qmp_v3_dp_serdes_tbl_hbr3,
+ .serdes_tbl_hbr3_num = ARRAY_SIZE(qmp_v3_dp_serdes_tbl_hbr3),
+
+ .clk_list = qmp_v3_phy_clk_l,
+ .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l),
+ .reset_list = sc7180_usb3phy_reset_l,
+ .num_resets = ARRAY_SIZE(sc7180_usb3phy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = qmp_v3_usb3phy_regs_layout,
+
+ .has_phy_dp_com_ctrl = true,
+ .is_dual_lane_phy = true,
+
+ .dp_aux_init = qcom_qmp_v3_phy_dp_aux_init,
+ .configure_dp_tx = qcom_qmp_v3_phy_configure_dp_tx,
+ .configure_dp_phy = qcom_qmp_v3_phy_configure_dp_phy,
+ .calibrate_dp_phy = qcom_qmp_v3_dp_phy_calibrate,
+};
+
+static const struct qmp_phy_combo_cfg sc7180_usb3dpphy_cfg = {
+ .usb_cfg = &sc7180_usb3phy_cfg,
+ .dp_cfg = &sc7180_dpphy_cfg,
+};
+
+static const struct qmp_phy_cfg sc8180x_dpphy_cfg = {
+ .type = PHY_TYPE_DP,
+ .nlanes = 1,
+
+ .serdes_tbl = qmp_v4_dp_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl),
+ .tx_tbl = qmp_v4_dp_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(qmp_v4_dp_tx_tbl),
+
+ .serdes_tbl_rbr = qmp_v4_dp_serdes_tbl_rbr,
+ .serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_rbr),
+ .serdes_tbl_hbr = qmp_v4_dp_serdes_tbl_hbr,
+ .serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr),
+ .serdes_tbl_hbr2 = qmp_v4_dp_serdes_tbl_hbr2,
+ .serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr2),
+ .serdes_tbl_hbr3 = qmp_v4_dp_serdes_tbl_hbr3,
+ .serdes_tbl_hbr3_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr3),
+
+ .clk_list = qmp_v3_phy_clk_l,
+ .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l),
+ .reset_list = sc7180_usb3phy_reset_l,
+ .num_resets = ARRAY_SIZE(sc7180_usb3phy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = qmp_v3_usb3phy_regs_layout,
+
+ .has_phy_dp_com_ctrl = true,
+ .is_dual_lane_phy = true,
+
+ .dp_aux_init = qcom_qmp_v4_phy_dp_aux_init,
+ .configure_dp_tx = qcom_qmp_v4_phy_configure_dp_tx,
+ .configure_dp_phy = qcom_qmp_v4_phy_configure_dp_phy,
+ .calibrate_dp_phy = qcom_qmp_v4_dp_phy_calibrate,
+};
+
+static const struct qmp_phy_combo_cfg sc8180x_usb3dpphy_cfg = {
+ .usb_cfg = &sm8150_usb3phy_cfg,
+ .dp_cfg = &sc8180x_dpphy_cfg,
+};
+
+static const struct qmp_phy_cfg sm8250_dpphy_cfg = {
+ .type = PHY_TYPE_DP,
+ .nlanes = 1,
+
+ .serdes_tbl = qmp_v4_dp_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl),
+ .tx_tbl = qmp_v4_dp_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(qmp_v4_dp_tx_tbl),
+
+ .serdes_tbl_rbr = qmp_v4_dp_serdes_tbl_rbr,
+ .serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_rbr),
+ .serdes_tbl_hbr = qmp_v4_dp_serdes_tbl_hbr,
+ .serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr),
+ .serdes_tbl_hbr2 = qmp_v4_dp_serdes_tbl_hbr2,
+ .serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr2),
+ .serdes_tbl_hbr3 = qmp_v4_dp_serdes_tbl_hbr3,
+ .serdes_tbl_hbr3_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr3),
+
+ .clk_list = qmp_v4_phy_clk_l,
+ .num_clks = ARRAY_SIZE(qmp_v4_phy_clk_l),
+ .reset_list = msm8996_usb3phy_reset_l,
+ .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = qmp_v4_usb3phy_regs_layout,
+
+ .has_phy_dp_com_ctrl = true,
+ .is_dual_lane_phy = true,
+
+ .dp_aux_init = qcom_qmp_v4_phy_dp_aux_init,
+ .configure_dp_tx = qcom_qmp_v4_phy_configure_dp_tx,
+ .configure_dp_phy = qcom_qmp_v4_phy_configure_dp_phy,
+ .calibrate_dp_phy = qcom_qmp_v4_dp_phy_calibrate,
+};
+
+static const struct qmp_phy_combo_cfg sm8250_usb3dpphy_cfg = {
+ .usb_cfg = &sm8250_usb3phy_cfg,
+ .dp_cfg = &sm8250_dpphy_cfg,
+};
+
+static int qcom_qmp_phy_dp_configure(struct phy *phy, union phy_configure_opts *opts)
+{
+ const struct phy_configure_opts_dp *dp_opts = &opts->dp;
+ struct qmp_phy *qphy = phy_get_drvdata(phy);
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
+
+ memcpy(&qphy->dp_opts, dp_opts, sizeof(*dp_opts));
+ if (qphy->dp_opts.set_voltages) {
+ cfg->configure_dp_tx(qphy);
+ qphy->dp_opts.set_voltages = 0;
+ }
+
+ return 0;
+}
+
+static int qcom_qmp_phy_dp_calibrate(struct phy *phy)
+{
+ struct qmp_phy *qphy = phy_get_drvdata(phy);
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
+
+ if (cfg->calibrate_dp_phy)
+ return cfg->calibrate_dp_phy(qphy);
+
+ return 0;
+}
+
+/*
+ * Display Port PLL driver block diagram for branch clocks
+ *
+ * +------------------------------+
+ * | DP_VCO_CLK |
+ * | |
+ * | +-------------------+ |
+ * | | (DP PLL/VCO) | |
+ * | +---------+---------+ |
+ * | v |
+ * | +----------+-----------+ |
+ * | | hsclk_divsel_clk_src | |
+ * | +----------+-----------+ |
+ * +------------------------------+
+ * |
+ * +---------<---------v------------>----------+
+ * | |
+ * +--------v----------------+ |
+ * | dp_phy_pll_link_clk | |
+ * | link_clk | |
+ * +--------+----------------+ |
+ * | |
+ * | |
+ * v v
+ * Input to DISPCC block |
+ * for link clk, crypto clk |
+ * and interface clock |
+ * |
+ * |
+ * +--------<------------+-----------------+---<---+
+ * | | |
+ * +----v---------+ +--------v-----+ +--------v------+
+ * | vco_divided | | vco_divided | | vco_divided |
+ * | _clk_src | | _clk_src | | _clk_src |
+ * | | | | | |
+ * |divsel_six | | divsel_two | | divsel_four |
+ * +-------+------+ +-----+--------+ +--------+------+
+ * | | |
+ * v---->----------v-------------<------v
+ * |
+ * +----------+-----------------+
+ * | dp_phy_pll_vco_div_clk |
+ * +---------+------------------+
+ * |
+ * v
+ * Input to DISPCC block
+ * for DP pixel clock
+ *
+ */
+static int qcom_qmp_dp_pixel_clk_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ switch (req->rate) {
+ case 1620000000UL / 2:
+ case 2700000000UL / 2:
+ /* 5.4 and 8.1 GHz are same link rate as 2.7GHz, i.e. div 4 and div 6 */
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static unsigned long
+qcom_qmp_dp_pixel_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
+{
+ const struct qmp_phy_dp_clks *dp_clks;
+ const struct qmp_phy *qphy;
+ const struct phy_configure_opts_dp *dp_opts;
+
+ dp_clks = container_of(hw, struct qmp_phy_dp_clks, dp_pixel_hw);
+ qphy = dp_clks->qphy;
+ dp_opts = &qphy->dp_opts;
+
+ switch (dp_opts->link_rate) {
+ case 1620:
+ return 1620000000UL / 2;
+ case 2700:
+ return 2700000000UL / 2;
+ case 5400:
+ return 5400000000UL / 4;
+ case 8100:
+ return 8100000000UL / 6;
+ default:
+ return 0;
+ }
+}
+
+static const struct clk_ops qcom_qmp_dp_pixel_clk_ops = {
+ .determine_rate = qcom_qmp_dp_pixel_clk_determine_rate,
+ .recalc_rate = qcom_qmp_dp_pixel_clk_recalc_rate,
+};
+
+static int qcom_qmp_dp_link_clk_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ switch (req->rate) {
+ case 162000000:
+ case 270000000:
+ case 540000000:
+ case 810000000:
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static unsigned long
+qcom_qmp_dp_link_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
+{
+ const struct qmp_phy_dp_clks *dp_clks;
+ const struct qmp_phy *qphy;
+ const struct phy_configure_opts_dp *dp_opts;
+
+ dp_clks = container_of(hw, struct qmp_phy_dp_clks, dp_link_hw);
+ qphy = dp_clks->qphy;
+ dp_opts = &qphy->dp_opts;
+
+ switch (dp_opts->link_rate) {
+ case 1620:
+ case 2700:
+ case 5400:
+ case 8100:
+ return dp_opts->link_rate * 100000;
+ default:
+ return 0;
+ }
+}
+
+static const struct clk_ops qcom_qmp_dp_link_clk_ops = {
+ .determine_rate = qcom_qmp_dp_link_clk_determine_rate,
+ .recalc_rate = qcom_qmp_dp_link_clk_recalc_rate,
+};
+
+static struct clk_hw *
+qcom_qmp_dp_clks_hw_get(struct of_phandle_args *clkspec, void *data)
+{
+ struct qmp_phy_dp_clks *dp_clks = data;
+ unsigned int idx = clkspec->args[0];
+
+ if (idx >= 2) {
+ pr_err("%s: invalid index %u\n", __func__, idx);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (idx == 0)
+ return &dp_clks->dp_link_hw;
+
+ return &dp_clks->dp_pixel_hw;
+}
+
+static void phy_clk_release_provider(void *res)
+{
+ of_clk_del_provider(res);
+}
+
+static int phy_dp_clks_register(struct device *dev, struct qmp_phy *qphy,
+ struct device_node *np)
+{
+ struct clk_init_data init = { };
+ struct qmp_phy_dp_clks *dp_clks;
+ char name[64];
+ int ret;
+
+ dp_clks = devm_kzalloc(dev, sizeof(*dp_clks), GFP_KERNEL);
+ if (!dp_clks)
+ return -ENOMEM;
+
+ dp_clks->qphy = qphy;
+ qphy->dp_clks = dp_clks;
+
+ snprintf(name, sizeof(name), "%s::link_clk", dev_name(dev));
+ init.ops = &qcom_qmp_dp_link_clk_ops;
+ init.name = name;
+ dp_clks->dp_link_hw.init = &init;
+ ret = devm_clk_hw_register(dev, &dp_clks->dp_link_hw);
+ if (ret)
+ return ret;
+
+ snprintf(name, sizeof(name), "%s::vco_div_clk", dev_name(dev));
+ init.ops = &qcom_qmp_dp_pixel_clk_ops;
+ init.name = name;
+ dp_clks->dp_pixel_hw.init = &init;
+ ret = devm_clk_hw_register(dev, &dp_clks->dp_pixel_hw);
+ if (ret)
+ return ret;
+
+ ret = of_clk_add_hw_provider(np, qcom_qmp_dp_clks_hw_get, dp_clks);
+ if (ret)
+ return ret;
+
+ /*
+ * Roll a devm action because the clock provider is the child node, but
+ * the child node is not actually a device.
+ */
+ return devm_add_action_or_reset(dev, phy_clk_release_provider, np);
+}
+
+static int qcom_qmp_phy_dp_serdes_init(struct qmp_phy *qphy)
+{
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
+ void __iomem *serdes = qphy->serdes;
+ const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
+
+ qcom_qmp_phy_serdes_init(qphy);
+
+ switch (dp_opts->link_rate) {
+ case 1620:
+ qcom_qmp_phy_configure(serdes, cfg->regs,
+ cfg->serdes_tbl_rbr,
+ cfg->serdes_tbl_rbr_num);
+ break;
+ case 2700:
+ qcom_qmp_phy_configure(serdes, cfg->regs,
+ cfg->serdes_tbl_hbr,
+ cfg->serdes_tbl_hbr_num);
+ break;
+ case 5400:
+ qcom_qmp_phy_configure(serdes, cfg->regs,
+ cfg->serdes_tbl_hbr2,
+ cfg->serdes_tbl_hbr2_num);
+ break;
+ case 8100:
+ qcom_qmp_phy_configure(serdes, cfg->regs,
+ cfg->serdes_tbl_hbr3,
+ cfg->serdes_tbl_hbr3_num);
+ break;
+ default:
+ /* Other link rates aren't supported */
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int qcom_qmp_phy_dp_init(struct phy *phy)
+{
+ struct qmp_phy *qphy = phy_get_drvdata(phy);
+ struct qcom_qmp *qmp = qphy->qmp;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
+ int ret;
+ dev_vdbg(qmp->dev, "Initializing QMP phy\n");
+
+ ret = qcom_qmp_phy_com_init(qphy);
+ if (ret)
+ return ret;
+
+ cfg->dp_aux_init(qphy);
+
+ return 0;
+}
+
+static int qcom_qmp_phy_dp_power_on(struct phy *phy)
+{
+ struct qmp_phy *qphy = phy_get_drvdata(phy);
+ struct qcom_qmp *qmp = qphy->qmp;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
+ int ret;
+
+ qcom_qmp_phy_dp_serdes_init(qphy);
+
+ ret = clk_prepare_enable(qphy->pipe_clk);
+ if (ret) {
+ dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret);
+ return ret;
+ }
+
+ qcom_qmp_phy_lanes_init(phy);
+
+ /* Configure special DP tx tunings */
+ cfg->configure_dp_tx(qphy);
+
+ cfg->configure_dp_phy(qphy);
+
+ return 0;
+}
+
+static int qcom_qmp_phy_dp_power_off(struct phy *phy)
+{
+ struct qmp_phy *qphy = phy_get_drvdata(phy);
+
+ clk_disable_unprepare(qphy->pipe_clk);
+
+ /* Assert DP PHY power down */
+ writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
+
+ return 0;
+}
+
+static int qcom_qmp_phy_dp_exit(struct phy *phy)
+{
+ struct qmp_phy *qphy = phy_get_drvdata(phy);
+
+ qcom_qmp_phy_com_exit(qphy);
+
+ return 0;
+}
+
+static int qcom_qmp_phy_dp_set_mode(struct phy *phy,
+ enum phy_mode mode, int submode)
+{
+ struct qmp_phy *qphy = phy_get_drvdata(phy);
+
+ qphy->mode = mode;
+
+ return 0;
+}
+
+static const struct phy_ops qcom_qmp_phy_dp_ops = {
+ .init = qcom_qmp_phy_dp_init,
+ .configure = qcom_qmp_phy_dp_configure,
+ .power_on = qcom_qmp_phy_dp_power_on,
+ .calibrate = qcom_qmp_phy_dp_calibrate,
+ .power_off = qcom_qmp_phy_dp_power_off,
+ .exit = qcom_qmp_phy_dp_exit,
+ .set_mode = qcom_qmp_phy_dp_set_mode,
+ .owner = THIS_MODULE,
+};
+
+static int qcom_qmp_combo_phy_probe(struct platform_device *pdev)
+{
+ struct qcom_qmp *qmp;
+ struct device *dev = &pdev->dev;
+ struct device_node *child;
+ struct phy_provider *phy_provider;
+ void __iomem *usb_serdes;
+ void __iomem *dp_com = NULL;
+ void __iomem *dp_serdes = NULL;
+ const struct qmp_phy_combo_cfg *combo_cfg = NULL;
+ const struct qmp_phy_cfg *usb_cfg = NULL;
+ const struct qmp_phy_cfg *dp_cfg = NULL;
+ int id;
+ int ret;
+
+ /* Get the specific init parameters of QMP phy */
+ combo_cfg = of_device_get_match_data(dev);
+ if (!combo_cfg)
+ return -EINVAL;
+
+ usb_cfg = combo_cfg->usb_cfg;
+
+ /* per PHY serdes; usually located at base address */
+ usb_serdes = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(usb_serdes))
+ return PTR_ERR(usb_serdes);
+
+ /* per PHY dp_com; if PHY has dp_com control block */
+ if (usb_cfg->has_phy_dp_com_ctrl) {
+ dp_com = devm_platform_ioremap_resource(pdev, 1);
+ if (IS_ERR(dp_com))
+ return PTR_ERR(dp_com);
+ }
+
+ /* Only two serdes for combo PHY */
+ dp_serdes = devm_platform_ioremap_resource(pdev, 2);
+ if (IS_ERR(dp_serdes))
+ return PTR_ERR(dp_serdes);
+
+ dp_cfg = combo_cfg->dp_cfg;
+
+ ret = qcom_qmp_phy_common_init(pdev, usb_cfg, 2);
+ if (ret)
+ return ret;
+
+ qmp = dev_get_drvdata(dev);
+ qmp->dp_com = dp_com;
+
+ id = 0;
+ for_each_available_child_of_node(dev->of_node, child) {
+ if (of_node_name_eq(child, "dp-phy")) {
+ /* Create per-lane phy */
+ ret = qcom_qmp_phy_create(dev, child, id, dp_serdes, dp_cfg,
+ &qcom_qmp_phy_dp_ops);
+ if (ret) {
+ dev_err(dev, "failed to create lane%d phy, %d\n",
+ id, ret);
+ goto err_node_put;
+ }
+
+ ret = phy_dp_clks_register(dev, qmp->phys[id], child);
+ if (ret) {
+ dev_err(qmp->dev,
+ "failed to register DP clock source\n");
+ goto err_node_put;
+ }
+ } else if (of_node_name_eq(child, "usb3-phy")) {
+ /* Create per-lane phy */
+ ret = qcom_qmp_phy_create(dev, child, id, usb_serdes, usb_cfg,
+ &qcom_qmp_phy_gen_ops);
+ if (ret) {
+ dev_err(dev, "failed to create lane%d phy, %d\n",
+ id, ret);
+ goto err_node_put;
+ }
+
+ ret = qcom_qmp_phy_pipe_clk_register(qmp, child);
+ if (ret) {
+ dev_err(qmp->dev,
+ "failed to register pipe clock source\n");
+ goto err_node_put;
+ }
+ }
+
+ id++;
+ }
+
+ phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
+ if (!IS_ERR(phy_provider))
+ dev_info(dev, "Registered Qcom-QMP phy\n");
+ else
+ pm_runtime_disable(dev);
+
+ return PTR_ERR_OR_ZERO(phy_provider);
+
+err_node_put:
+ of_node_put(child);
+ pm_runtime_disable(dev);
+ return ret;
+}
+
+static const struct of_device_id qcom_qmp_combo_phy_of_match_table[] = {
+ {
+ .compatible = "qcom,sc7180-qmp-usb3-dp-phy",
+ .data = &sc7180_usb3dpphy_cfg,
+ },
+ {
+ .compatible = "qcom,sm8250-qmp-usb3-dp-phy",
+ .data = &sm8250_usb3dpphy_cfg,
+ },
+ {
+ .compatible = "qcom,sc8180x-qmp-usb3-dp-phy",
+ .data = &sc8180x_usb3dpphy_cfg,
+ },
+ { }
+};
+MODULE_DEVICE_TABLE(of, qcom_qmp_combo_phy_of_match_table);
+
+static struct platform_driver qcom_qmp_combo_phy_driver = {
+ .probe = qcom_qmp_combo_phy_probe,
+ .driver = {
+ .name = "qcom-qmp-combo-phy",
+ .pm = &qcom_qmp_phy_pm_ops,
+ .of_match_table = qcom_qmp_combo_phy_of_match_table,
+ },
+};
+
+module_platform_driver(qcom_qmp_combo_phy_driver);
+
+MODULE_AUTHOR("Vivek Gautam <vivek.gautam at codeaurora.org>");
+MODULE_DESCRIPTION("Qualcomm QMP combo USB+DP PHY driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-lib.h b/drivers/phy/qualcomm/phy-qcom-qmp-lib.h
new file mode 100644
index 000000000000..aa9c3653fd56
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-lib.h
@@ -0,0 +1,285 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022, Linaro Ltd., All rights reserved
+ */
+
+#ifndef QCOM_PHY_QMP_LIB_H_
+#define QCOM_PHY_QMP_LIB_H_
+
+struct qmp_phy_init_tbl {
+ unsigned int offset;
+ unsigned int val;
+ /*
+ * register part of layout ?
+ * if yes, then offset gives index in the reg-layout
+ */
+ bool in_layout;
+ /*
+ * mask of lanes for which this register is written
+ * for cases when second lane needs different values
+ */
+ u8 lane_mask;
+};
+
+#define QMP_PHY_INIT_CFG(o, v) \
+ { \
+ .offset = o, \
+ .val = v, \
+ .lane_mask = 0xff, \
+ }
+
+#define QMP_PHY_INIT_CFG_L(o, v) \
+ { \
+ .offset = o, \
+ .val = v, \
+ .in_layout = true, \
+ .lane_mask = 0xff, \
+ }
+
+#define QMP_PHY_INIT_CFG_LANE(o, v, l) \
+ { \
+ .offset = o, \
+ .val = v, \
+ .lane_mask = l, \
+ }
+
+/* set of registers with offsets different per-PHY */
+enum qphy_reg_layout {
+ /* Common block control registers */
+ QPHY_COM_SW_RESET,
+ QPHY_COM_POWER_DOWN_CONTROL,
+ QPHY_COM_START_CONTROL,
+ QPHY_COM_PCS_READY_STATUS,
+ /* PCS registers */
+ QPHY_PLL_LOCK_CHK_DLY_TIME,
+ QPHY_FLL_CNTRL1,
+ QPHY_FLL_CNTRL2,
+ QPHY_FLL_CNT_VAL_L,
+ QPHY_FLL_CNT_VAL_H_TOL,
+ QPHY_FLL_MAN_CODE,
+ QPHY_SW_RESET,
+ QPHY_START_CTRL,
+ QPHY_PCS_READY_STATUS,
+ QPHY_PCS_STATUS,
+ QPHY_PCS_AUTONOMOUS_MODE_CTRL,
+ QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR,
+ QPHY_PCS_LFPS_RXTERM_IRQ_STATUS,
+ QPHY_PCS_POWER_DOWN_CONTROL,
+ /* PCS_MISC registers */
+ QPHY_PCS_MISC_TYPEC_CTRL,
+ /* Keep last to ensure regs_layout arrays are properly initialized */
+ QPHY_LAYOUT_SIZE
+};
+
+struct qmp_phy;
+
+/* struct qmp_phy_cfg - per-PHY initialization config */
+struct qmp_phy_cfg {
+ /* phy-type - PCIE/UFS/USB */
+ unsigned int type;
+ /* number of lanes provided by phy */
+ int nlanes;
+
+ /* Init sequence for PHY blocks - serdes, tx, rx, pcs */
+ const struct qmp_phy_init_tbl *serdes_tbl;
+ int serdes_tbl_num;
+ const struct qmp_phy_init_tbl *serdes_tbl_sec;
+ int serdes_tbl_num_sec;
+ const struct qmp_phy_init_tbl *tx_tbl;
+ int tx_tbl_num;
+ const struct qmp_phy_init_tbl *tx_tbl_sec;
+ int tx_tbl_num_sec;
+ const struct qmp_phy_init_tbl *rx_tbl;
+ int rx_tbl_num;
+ const struct qmp_phy_init_tbl *rx_tbl_sec;
+ int rx_tbl_num_sec;
+ const struct qmp_phy_init_tbl *pcs_tbl;
+ int pcs_tbl_num;
+ const struct qmp_phy_init_tbl *pcs_tbl_sec;
+ int pcs_tbl_num_sec;
+ const struct qmp_phy_init_tbl *pcs_misc_tbl;
+ int pcs_misc_tbl_num;
+ const struct qmp_phy_init_tbl *pcs_misc_tbl_sec;
+ int pcs_misc_tbl_num_sec;
+
+ /* Init sequence for DP PHY block link rates */
+ const struct qmp_phy_init_tbl *serdes_tbl_rbr;
+ int serdes_tbl_rbr_num;
+ const struct qmp_phy_init_tbl *serdes_tbl_hbr;
+ int serdes_tbl_hbr_num;
+ const struct qmp_phy_init_tbl *serdes_tbl_hbr2;
+ int serdes_tbl_hbr2_num;
+ const struct qmp_phy_init_tbl *serdes_tbl_hbr3;
+ int serdes_tbl_hbr3_num;
+
+ /* DP PHY callbacks */
+ int (*configure_dp_phy)(struct qmp_phy *qphy);
+ void (*configure_dp_tx)(struct qmp_phy *qphy);
+ int (*calibrate_dp_phy)(struct qmp_phy *qphy);
+ void (*dp_aux_init)(struct qmp_phy *qphy);
+
+ /* clock ids to be requested */
+ const char * const *clk_list;
+ int num_clks;
+ /* resets to be requested */
+ const char * const *reset_list;
+ int num_resets;
+ /* regulators to be requested */
+ const char * const *vreg_list;
+ int num_vregs;
+
+ /* array of registers with different offsets */
+ const unsigned int *regs;
+
+ unsigned int start_ctrl;
+ unsigned int pwrdn_ctrl;
+ unsigned int mask_com_pcs_ready;
+ /* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */
+ unsigned int phy_status;
+
+ /* true, if PHY has a separate PHY_COM control block */
+ bool has_phy_com_ctrl;
+ /* true, if PHY has a reset for individual lanes */
+ bool has_lane_rst;
+ /* true, if PHY needs delay after POWER_DOWN */
+ bool has_pwrdn_delay;
+ /* power_down delay in usec */
+ int pwrdn_delay_min;
+ int pwrdn_delay_max;
+
+ /* true, if PHY has a separate DP_COM control block */
+ bool has_phy_dp_com_ctrl;
+ /* true, if PHY has secondary tx/rx lanes to be configured */
+ bool is_dual_lane_phy;
+
+ /* true, if PCS block has no separate SW_RESET register */
+ bool no_pcs_sw_reset;
+};
+
+/**
+ * struct qmp_phy - per-lane phy descriptor
+ *
+ * @phy: generic phy
+ * @cfg: phy specific configuration
+ * @serdes: iomapped memory space for phy's serdes (i.e. PLL)
+ * @tx: iomapped memory space for lane's tx
+ * @rx: iomapped memory space for lane's rx
+ * @pcs: iomapped memory space for lane's pcs
+ * @tx2: iomapped memory space for second lane's tx (in dual lane PHYs)
+ * @rx2: iomapped memory space for second lane's rx (in dual lane PHYs)
+ * @pcs_misc: iomapped memory space for lane's pcs_misc
+ * @pipe_clk: pipe clock
+ * @index: lane index
+ * @qmp: QMP phy to which this lane belongs
+ * @lane_rst: lane's reset controller
+ * @mode: current PHY mode
+ * @dp_aux_cfg: Display port aux config
+ * @dp_opts: Display port optional config
+ * @dp_clks: Display port clocks
+ */
+struct qmp_phy {
+ struct phy *phy;
+ const struct qmp_phy_cfg *cfg;
+ void __iomem *serdes;
+ void __iomem *tx;
+ void __iomem *rx;
+ void __iomem *pcs;
+ void __iomem *tx2;
+ void __iomem *rx2;
+ void __iomem *pcs_misc;
+ struct clk *pipe_clk;
+ unsigned int index;
+ struct qcom_qmp *qmp;
+ struct reset_control *lane_rst;
+ enum phy_mode mode;
+ unsigned int dp_aux_cfg;
+ struct phy_configure_opts_dp dp_opts;
+ struct qmp_phy_dp_clks *dp_clks;
+};
+
+/**
+ * struct qcom_qmp - structure holding QMP phy block attributes
+ *
+ * @dev: device
+ * @dp_com: iomapped memory space for phy's dp_com control block
+ *
+ * @clks: array of clocks required by phy
+ * @resets: array of resets required by phy
+ * @vregs: regulator supplies bulk data
+ *
+ * @phys: array of per-lane phy descriptors
+ * @phy_mutex: mutex lock for PHY common block initialization
+ * @init_count: phy common block initialization count
+ * @ufs_reset: optional UFS PHY reset handle
+ */
+struct qcom_qmp {
+ struct device *dev;
+ void __iomem *dp_com;
+
+ struct clk_bulk_data *clks;
+ struct reset_control **resets;
+ struct regulator_bulk_data *vregs;
+
+ struct qmp_phy **phys;
+
+ struct mutex phy_mutex;
+ int init_count;
+
+ struct reset_control *ufs_reset;
+};
+
+extern const struct qmp_phy_cfg sc7180_usb3phy_cfg;
+extern const struct qmp_phy_cfg sm8150_usb3phy_cfg;
+extern const struct qmp_phy_cfg sm8250_usb3phy_cfg;
+
+extern const struct phy_ops qcom_qmp_phy_gen_ops;
+
+extern const struct dev_pm_ops qcom_qmp_phy_pm_ops;
+
+int qcom_qmp_phy_common_init(struct platform_device *pdev, const struct qmp_phy_cfg *cfg,
+ int expected_phys);
+void qcom_qmp_phy_serdes_init(struct qmp_phy *qphy);
+void qcom_qmp_phy_lanes_init(struct phy *phy);
+int qcom_qmp_phy_com_init(struct qmp_phy *qphy);
+int qcom_qmp_phy_com_exit(struct qmp_phy *qphy);
+
+int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id,
+ void __iomem *serdes, const struct qmp_phy_cfg *cfg,
+ const struct phy_ops *ops);
+
+int qcom_qmp_phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np);
+
+static inline void qcom_qmp_phy_configure_lane(void __iomem *base,
+ const unsigned int *regs,
+ const struct qmp_phy_init_tbl tbl[],
+ int num,
+ u8 lane_mask)
+{
+ int i;
+ const struct qmp_phy_init_tbl *t = tbl;
+
+ if (!t)
+ return;
+
+ for (i = 0; i < num; i++, t++) {
+ if (!(t->lane_mask & lane_mask))
+ continue;
+
+ if (t->in_layout)
+ writel(t->val, base + regs[t->offset]);
+ else
+ writel(t->val, base + t->offset);
+ }
+}
+
+static inline void qcom_qmp_phy_configure(void __iomem *base,
+ const unsigned int *regs,
+ const struct qmp_phy_init_tbl tbl[],
+ int num)
+{
+ qcom_qmp_phy_configure_lane(base, regs, tbl, num, 0xff);
+}
+
+
+#endif
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index c7309e981bfb..07fc8c4ec8fc 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -23,6 +23,7 @@
#include <dt-bindings/phy/phy.h>
#include "phy-qcom-qmp.h"
+#include "phy-qcom-qmp-lib.h"
/* QPHY_SW_RESET bit */
#define SW_RESET BIT(0)
@@ -76,71 +77,6 @@
/* Define the assumed distance between lanes for underspecified device trees. */
#define QMP_PHY_LEGACY_LANE_STRIDE 0x400
-struct qmp_phy_init_tbl {
- unsigned int offset;
- unsigned int val;
- /*
- * register part of layout ?
- * if yes, then offset gives index in the reg-layout
- */
- bool in_layout;
- /*
- * mask of lanes for which this register is written
- * for cases when second lane needs different values
- */
- u8 lane_mask;
-};
-
-#define QMP_PHY_INIT_CFG(o, v) \
- { \
- .offset = o, \
- .val = v, \
- .lane_mask = 0xff, \
- }
-
-#define QMP_PHY_INIT_CFG_L(o, v) \
- { \
- .offset = o, \
- .val = v, \
- .in_layout = true, \
- .lane_mask = 0xff, \
- }
-
-#define QMP_PHY_INIT_CFG_LANE(o, v, l) \
- { \
- .offset = o, \
- .val = v, \
- .lane_mask = l, \
- }
-
-/* set of registers with offsets different per-PHY */
-enum qphy_reg_layout {
- /* Common block control registers */
- QPHY_COM_SW_RESET,
- QPHY_COM_POWER_DOWN_CONTROL,
- QPHY_COM_START_CONTROL,
- QPHY_COM_PCS_READY_STATUS,
- /* PCS registers */
- QPHY_PLL_LOCK_CHK_DLY_TIME,
- QPHY_FLL_CNTRL1,
- QPHY_FLL_CNTRL2,
- QPHY_FLL_CNT_VAL_L,
- QPHY_FLL_CNT_VAL_H_TOL,
- QPHY_FLL_MAN_CODE,
- QPHY_SW_RESET,
- QPHY_START_CTRL,
- QPHY_PCS_READY_STATUS,
- QPHY_PCS_STATUS,
- QPHY_PCS_AUTONOMOUS_MODE_CTRL,
- QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR,
- QPHY_PCS_LFPS_RXTERM_IRQ_STATUS,
- QPHY_PCS_POWER_DOWN_CONTROL,
- /* PCS_MISC registers */
- QPHY_PCS_MISC_TYPEC_CTRL,
- /* Keep last to ensure regs_layout arrays are properly initialized */
- QPHY_LAYOUT_SIZE
-};
-
static const unsigned int msm8996_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_START_CTRL] = 0x00,
[QPHY_PCS_READY_STATUS] = 0x168,
@@ -1094,88 +1030,6 @@ static const struct qmp_phy_init_tbl qmp_v3_usb3_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06),
};
-static const struct qmp_phy_init_tbl qmp_v3_dp_serdes_tbl[] = {
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x37),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_ENABLE1, 0x0e),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x06),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x02),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_BG_TIMER, 0x0a),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_CTRL, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x3f),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x1f),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
-};
-
-static const struct qmp_phy_init_tbl qmp_v3_dp_serdes_tbl_rbr[] = {
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x0c),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x69),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0x80),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x07),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x6f),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x08),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x00),
-};
-
-static const struct qmp_phy_init_tbl qmp_v3_dp_serdes_tbl_hbr[] = {
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x04),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x69),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0x80),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x07),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x0f),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x0e),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x00),
-};
-
-static const struct qmp_phy_init_tbl qmp_v3_dp_serdes_tbl_hbr2[] = {
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x8c),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x0a),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x1f),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x1c),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x00),
-};
-
-static const struct qmp_phy_init_tbl qmp_v3_dp_serdes_tbl_hbr3[] = {
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x03),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x69),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0x80),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x07),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x2f),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x2a),
- QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x08),
-};
-
-static const struct qmp_phy_init_tbl qmp_v3_dp_tx_tbl[] = {
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_TRANSCEIVER_BIAS_EN, 0x1a),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_VMODE_CTRL1, 0x40),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_PRE_STALL_LDO_BOOST_EN, 0x30),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_INTERFACE_SELECT, 0x3d),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_CLKBUF_ENABLE, 0x0f),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_RESET_TSYNC_EN, 0x03),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_TRAN_DRVR_EMP_EN, 0x03),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_PARRATE_REC_DETECT_IDLE_EN, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_TX_INTERFACE_MODE, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_TX_BAND, 0x4),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_TX_POL_INV, 0x0a),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_TX_DRV_LVL, 0x38),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_TX_EMP_POST1_LVL, 0x20),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06),
- QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x07),
-};
-
static const struct qmp_phy_init_tbl qmp_v3_usb3_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
@@ -2063,86 +1917,6 @@ static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
};
-static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl[] = {
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_SVS_MODE_CLK_SEL, 0x05),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x3b),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYS_CLK_CTRL, 0x02),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_ENABLE1, 0x0c),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x06),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x30),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_CONFIG, 0x02),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_BG_TIMER, 0x0a),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE0, 0x0a),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_CTRL, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN, 0x17),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORE_CLK_EN, 0x1f),
-};
-
-static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_rbr[] = {
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x05),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x6f),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x08),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04),
-};
-
-static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr[] = {
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x03),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x0f),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x0e),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08),
-};
-
-static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr2[] = {
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x8c),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x0a),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x1f),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x1c),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08),
-};
-
-static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl_hbr3[] = {
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x69),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x80),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x07),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x2f),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x2a),
- QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x08),
-};
-
-static const struct qmp_phy_init_tbl qmp_v4_dp_tx_tbl[] = {
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_VMODE_CTRL1, 0x40),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_PRE_STALL_LDO_BOOST_EN, 0x30),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_INTERFACE_SELECT, 0x3b),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_CLKBUF_ENABLE, 0x0f),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_RESET_TSYNC_EN, 0x03),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_TRAN_DRVR_EMP_EN, 0x0f),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_PARRATE_REC_DETECT_IDLE_EN, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_INTERFACE_MODE, 0x00),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x11),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_BAND, 0x4),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_POL_INV, 0x0a),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_DRV_LVL, 0x2a),
- QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_EMP_POST1_LVL, 0x20),
-};
-
static const struct qmp_phy_init_tbl sc8180x_qmp_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x08),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x34),
@@ -3119,184 +2893,6 @@ static const struct qmp_phy_init_tbl sm8450_qmp_gen4x2_pcie_pcs_misc_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_G4_PRE_GAIN, 0x2e),
};
-struct qmp_phy;
-
-/* struct qmp_phy_cfg - per-PHY initialization config */
-struct qmp_phy_cfg {
- /* phy-type - PCIE/UFS/USB */
- unsigned int type;
- /* number of lanes provided by phy */
- int nlanes;
-
- /* Init sequence for PHY blocks - serdes, tx, rx, pcs */
- const struct qmp_phy_init_tbl *serdes_tbl;
- int serdes_tbl_num;
- const struct qmp_phy_init_tbl *serdes_tbl_sec;
- int serdes_tbl_num_sec;
- const struct qmp_phy_init_tbl *tx_tbl;
- int tx_tbl_num;
- const struct qmp_phy_init_tbl *tx_tbl_sec;
- int tx_tbl_num_sec;
- const struct qmp_phy_init_tbl *rx_tbl;
- int rx_tbl_num;
- const struct qmp_phy_init_tbl *rx_tbl_sec;
- int rx_tbl_num_sec;
- const struct qmp_phy_init_tbl *pcs_tbl;
- int pcs_tbl_num;
- const struct qmp_phy_init_tbl *pcs_tbl_sec;
- int pcs_tbl_num_sec;
- const struct qmp_phy_init_tbl *pcs_misc_tbl;
- int pcs_misc_tbl_num;
- const struct qmp_phy_init_tbl *pcs_misc_tbl_sec;
- int pcs_misc_tbl_num_sec;
-
- /* Init sequence for DP PHY block link rates */
- const struct qmp_phy_init_tbl *serdes_tbl_rbr;
- int serdes_tbl_rbr_num;
- const struct qmp_phy_init_tbl *serdes_tbl_hbr;
- int serdes_tbl_hbr_num;
- const struct qmp_phy_init_tbl *serdes_tbl_hbr2;
- int serdes_tbl_hbr2_num;
- const struct qmp_phy_init_tbl *serdes_tbl_hbr3;
- int serdes_tbl_hbr3_num;
-
- /* DP PHY callbacks */
- int (*configure_dp_phy)(struct qmp_phy *qphy);
- void (*configure_dp_tx)(struct qmp_phy *qphy);
- int (*calibrate_dp_phy)(struct qmp_phy *qphy);
- void (*dp_aux_init)(struct qmp_phy *qphy);
-
- /* clock ids to be requested */
- const char * const *clk_list;
- int num_clks;
- /* resets to be requested */
- const char * const *reset_list;
- int num_resets;
- /* regulators to be requested */
- const char * const *vreg_list;
- int num_vregs;
-
- /* array of registers with different offsets */
- const unsigned int *regs;
-
- unsigned int start_ctrl;
- unsigned int pwrdn_ctrl;
- unsigned int mask_com_pcs_ready;
- /* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */
- unsigned int phy_status;
-
- /* true, if PHY has a separate PHY_COM control block */
- bool has_phy_com_ctrl;
- /* true, if PHY has a reset for individual lanes */
- bool has_lane_rst;
- /* true, if PHY needs delay after POWER_DOWN */
- bool has_pwrdn_delay;
- /* power_down delay in usec */
- int pwrdn_delay_min;
- int pwrdn_delay_max;
-
- /* true, if PHY has a separate DP_COM control block */
- bool has_phy_dp_com_ctrl;
- /* true, if PHY has secondary tx/rx lanes to be configured */
- bool is_dual_lane_phy;
-
- /* true, if PCS block has no separate SW_RESET register */
- bool no_pcs_sw_reset;
-};
-
-struct qmp_phy_combo_cfg {
- const struct qmp_phy_cfg *usb_cfg;
- const struct qmp_phy_cfg *dp_cfg;
-};
-
-/**
- * struct qmp_phy - per-lane phy descriptor
- *
- * @phy: generic phy
- * @cfg: phy specific configuration
- * @serdes: iomapped memory space for phy's serdes (i.e. PLL)
- * @tx: iomapped memory space for lane's tx
- * @rx: iomapped memory space for lane's rx
- * @pcs: iomapped memory space for lane's pcs
- * @tx2: iomapped memory space for second lane's tx (in dual lane PHYs)
- * @rx2: iomapped memory space for second lane's rx (in dual lane PHYs)
- * @pcs_misc: iomapped memory space for lane's pcs_misc
- * @pipe_clk: pipe clock
- * @index: lane index
- * @qmp: QMP phy to which this lane belongs
- * @lane_rst: lane's reset controller
- * @mode: current PHY mode
- * @dp_aux_cfg: Display port aux config
- * @dp_opts: Display port optional config
- * @dp_clks: Display port clocks
- */
-struct qmp_phy {
- struct phy *phy;
- const struct qmp_phy_cfg *cfg;
- void __iomem *serdes;
- void __iomem *tx;
- void __iomem *rx;
- void __iomem *pcs;
- void __iomem *tx2;
- void __iomem *rx2;
- void __iomem *pcs_misc;
- struct clk *pipe_clk;
- unsigned int index;
- struct qcom_qmp *qmp;
- struct reset_control *lane_rst;
- enum phy_mode mode;
- unsigned int dp_aux_cfg;
- struct phy_configure_opts_dp dp_opts;
- struct qmp_phy_dp_clks *dp_clks;
-};
-
-struct qmp_phy_dp_clks {
- struct qmp_phy *qphy;
- struct clk_hw dp_link_hw;
- struct clk_hw dp_pixel_hw;
-};
-
-/**
- * struct qcom_qmp - structure holding QMP phy block attributes
- *
- * @dev: device
- * @dp_com: iomapped memory space for phy's dp_com control block
- *
- * @clks: array of clocks required by phy
- * @resets: array of resets required by phy
- * @vregs: regulator supplies bulk data
- *
- * @phys: array of per-lane phy descriptors
- * @phy_mutex: mutex lock for PHY common block initialization
- * @init_count: phy common block initialization count
- * @ufs_reset: optional UFS PHY reset handle
- */
-struct qcom_qmp {
- struct device *dev;
- void __iomem *dp_com;
-
- struct clk_bulk_data *clks;
- struct reset_control **resets;
- struct regulator_bulk_data *vregs;
-
- struct qmp_phy **phys;
-
- struct mutex phy_mutex;
- int init_count;
-
- struct reset_control *ufs_reset;
-};
-
-static void qcom_qmp_v3_phy_dp_aux_init(struct qmp_phy *qphy);
-static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy);
-static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy);
-static int qcom_qmp_v3_dp_phy_calibrate(struct qmp_phy *qphy);
-
-static void qcom_qmp_v4_phy_dp_aux_init(struct qmp_phy *qphy);
-static void qcom_qmp_v4_phy_configure_dp_tx(struct qmp_phy *qphy);
-static int qcom_qmp_v4_phy_configure_dp_phy(struct qmp_phy *qphy);
-static int qcom_qmp_v4_dp_phy_calibrate(struct qmp_phy *qphy);
-
static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
{
u32 reg;
@@ -3738,7 +3334,7 @@ static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
.is_dual_lane_phy = true,
};
-static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
+const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
.type = PHY_TYPE_USB3,
.nlanes = 1,
@@ -3769,46 +3365,7 @@ static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
.has_phy_dp_com_ctrl = true,
.is_dual_lane_phy = true,
};
-
-static const struct qmp_phy_cfg sc7180_dpphy_cfg = {
- .type = PHY_TYPE_DP,
- .nlanes = 1,
-
- .serdes_tbl = qmp_v3_dp_serdes_tbl,
- .serdes_tbl_num = ARRAY_SIZE(qmp_v3_dp_serdes_tbl),
- .tx_tbl = qmp_v3_dp_tx_tbl,
- .tx_tbl_num = ARRAY_SIZE(qmp_v3_dp_tx_tbl),
-
- .serdes_tbl_rbr = qmp_v3_dp_serdes_tbl_rbr,
- .serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v3_dp_serdes_tbl_rbr),
- .serdes_tbl_hbr = qmp_v3_dp_serdes_tbl_hbr,
- .serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v3_dp_serdes_tbl_hbr),
- .serdes_tbl_hbr2 = qmp_v3_dp_serdes_tbl_hbr2,
- .serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v3_dp_serdes_tbl_hbr2),
- .serdes_tbl_hbr3 = qmp_v3_dp_serdes_tbl_hbr3,
- .serdes_tbl_hbr3_num = ARRAY_SIZE(qmp_v3_dp_serdes_tbl_hbr3),
-
- .clk_list = qmp_v3_phy_clk_l,
- .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l),
- .reset_list = sc7180_usb3phy_reset_l,
- .num_resets = ARRAY_SIZE(sc7180_usb3phy_reset_l),
- .vreg_list = qmp_phy_vreg_l,
- .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
- .regs = qmp_v3_usb3phy_regs_layout,
-
- .has_phy_dp_com_ctrl = true,
- .is_dual_lane_phy = true,
-
- .dp_aux_init = qcom_qmp_v3_phy_dp_aux_init,
- .configure_dp_tx = qcom_qmp_v3_phy_configure_dp_tx,
- .configure_dp_phy = qcom_qmp_v3_phy_configure_dp_phy,
- .calibrate_dp_phy = qcom_qmp_v3_dp_phy_calibrate,
-};
-
-static const struct qmp_phy_combo_cfg sc7180_usb3dpphy_cfg = {
- .usb_cfg = &sc7180_usb3phy_cfg,
- .dp_cfg = &sc7180_dpphy_cfg,
-};
+EXPORT_SYMBOL_GPL(sc7180_usb3phy_cfg);
static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = {
.type = PHY_TYPE_USB3,
@@ -3967,7 +3524,7 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
.is_dual_lane_phy = true,
};
-static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
+const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
.type = PHY_TYPE_USB3,
.nlanes = 1,
@@ -3999,6 +3556,7 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
.has_phy_dp_com_ctrl = true,
.is_dual_lane_phy = true,
};
+EXPORT_SYMBOL_GPL(sm8150_usb3phy_cfg);
static const struct qmp_phy_cfg sc8180x_pciephy_cfg = {
.type = PHY_TYPE_PCIE,
@@ -4030,46 +3588,6 @@ static const struct qmp_phy_cfg sc8180x_pciephy_cfg = {
.pwrdn_delay_max = 1005, /* us */
};
-static const struct qmp_phy_cfg sc8180x_dpphy_cfg = {
- .type = PHY_TYPE_DP,
- .nlanes = 1,
-
- .serdes_tbl = qmp_v4_dp_serdes_tbl,
- .serdes_tbl_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl),
- .tx_tbl = qmp_v4_dp_tx_tbl,
- .tx_tbl_num = ARRAY_SIZE(qmp_v4_dp_tx_tbl),
-
- .serdes_tbl_rbr = qmp_v4_dp_serdes_tbl_rbr,
- .serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_rbr),
- .serdes_tbl_hbr = qmp_v4_dp_serdes_tbl_hbr,
- .serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr),
- .serdes_tbl_hbr2 = qmp_v4_dp_serdes_tbl_hbr2,
- .serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr2),
- .serdes_tbl_hbr3 = qmp_v4_dp_serdes_tbl_hbr3,
- .serdes_tbl_hbr3_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr3),
-
- .clk_list = qmp_v3_phy_clk_l,
- .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l),
- .reset_list = sc7180_usb3phy_reset_l,
- .num_resets = ARRAY_SIZE(sc7180_usb3phy_reset_l),
- .vreg_list = qmp_phy_vreg_l,
- .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
- .regs = qmp_v3_usb3phy_regs_layout,
-
- .has_phy_dp_com_ctrl = true,
- .is_dual_lane_phy = true,
-
- .dp_aux_init = qcom_qmp_v4_phy_dp_aux_init,
- .configure_dp_tx = qcom_qmp_v4_phy_configure_dp_tx,
- .configure_dp_phy = qcom_qmp_v4_phy_configure_dp_phy,
- .calibrate_dp_phy = qcom_qmp_v4_dp_phy_calibrate,
-};
-
-static const struct qmp_phy_combo_cfg sc8180x_usb3dpphy_cfg = {
- .usb_cfg = &sm8150_usb3phy_cfg,
- .dp_cfg = &sc8180x_dpphy_cfg,
-};
-
static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
.type = PHY_TYPE_USB3,
.nlanes = 1,
@@ -4099,7 +3617,7 @@ static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
};
-static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
+const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
.type = PHY_TYPE_USB3,
.nlanes = 1,
@@ -4130,6 +3648,7 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
.has_phy_dp_com_ctrl = true,
.is_dual_lane_phy = true,
};
+EXPORT_SYMBOL_GPL(sm8250_usb3phy_cfg);
static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
.type = PHY_TYPE_USB3,
@@ -4160,46 +3679,6 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
.pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
};
-static const struct qmp_phy_cfg sm8250_dpphy_cfg = {
- .type = PHY_TYPE_DP,
- .nlanes = 1,
-
- .serdes_tbl = qmp_v4_dp_serdes_tbl,
- .serdes_tbl_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl),
- .tx_tbl = qmp_v4_dp_tx_tbl,
- .tx_tbl_num = ARRAY_SIZE(qmp_v4_dp_tx_tbl),
-
- .serdes_tbl_rbr = qmp_v4_dp_serdes_tbl_rbr,
- .serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_rbr),
- .serdes_tbl_hbr = qmp_v4_dp_serdes_tbl_hbr,
- .serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr),
- .serdes_tbl_hbr2 = qmp_v4_dp_serdes_tbl_hbr2,
- .serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr2),
- .serdes_tbl_hbr3 = qmp_v4_dp_serdes_tbl_hbr3,
- .serdes_tbl_hbr3_num = ARRAY_SIZE(qmp_v4_dp_serdes_tbl_hbr3),
-
- .clk_list = qmp_v4_phy_clk_l,
- .num_clks = ARRAY_SIZE(qmp_v4_phy_clk_l),
- .reset_list = msm8996_usb3phy_reset_l,
- .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
- .vreg_list = qmp_phy_vreg_l,
- .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
- .regs = qmp_v4_usb3phy_regs_layout,
-
- .has_phy_dp_com_ctrl = true,
- .is_dual_lane_phy = true,
-
- .dp_aux_init = qcom_qmp_v4_phy_dp_aux_init,
- .configure_dp_tx = qcom_qmp_v4_phy_configure_dp_tx,
- .configure_dp_phy = qcom_qmp_v4_phy_configure_dp_phy,
- .calibrate_dp_phy = qcom_qmp_v4_dp_phy_calibrate,
-};
-
-static const struct qmp_phy_combo_cfg sm8250_usb3dpphy_cfg = {
- .usb_cfg = &sm8250_usb3phy_cfg,
- .dp_cfg = &sm8250_dpphy_cfg,
-};
-
static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = {
.type = PHY_TYPE_USB3,
.nlanes = 1,
@@ -4491,80 +3970,26 @@ static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = {
.is_dual_lane_phy = true,
};
-static void qcom_qmp_phy_configure_lane(void __iomem *base,
- const unsigned int *regs,
- const struct qmp_phy_init_tbl tbl[],
- int num,
- u8 lane_mask)
-{
- int i;
- const struct qmp_phy_init_tbl *t = tbl;
-
- if (!t)
- return;
-
- for (i = 0; i < num; i++, t++) {
- if (!(t->lane_mask & lane_mask))
- continue;
-
- if (t->in_layout)
- writel(t->val, base + regs[t->offset]);
- else
- writel(t->val, base + t->offset);
- }
-}
-
-static void qcom_qmp_phy_configure(void __iomem *base,
- const unsigned int *regs,
- const struct qmp_phy_init_tbl tbl[],
- int num)
+void qcom_qmp_phy_serdes_init(struct qmp_phy *qphy)
{
- qcom_qmp_phy_configure_lane(base, regs, tbl, num, 0xff);
-}
-
-static int qcom_qmp_phy_serdes_init(struct qmp_phy *qphy)
-{
- struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *serdes = qphy->serdes;
- const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl;
int serdes_tbl_num = cfg->serdes_tbl_num;
- int ret;
qcom_qmp_phy_configure(serdes, cfg->regs, serdes_tbl, serdes_tbl_num);
if (cfg->serdes_tbl_sec)
qcom_qmp_phy_configure(serdes, cfg->regs, cfg->serdes_tbl_sec,
cfg->serdes_tbl_num_sec);
+}
+EXPORT_SYMBOL_GPL(qcom_qmp_phy_serdes_init);
- if (cfg->type == PHY_TYPE_DP) {
- switch (dp_opts->link_rate) {
- case 1620:
- qcom_qmp_phy_configure(serdes, cfg->regs,
- cfg->serdes_tbl_rbr,
- cfg->serdes_tbl_rbr_num);
- break;
- case 2700:
- qcom_qmp_phy_configure(serdes, cfg->regs,
- cfg->serdes_tbl_hbr,
- cfg->serdes_tbl_hbr_num);
- break;
- case 5400:
- qcom_qmp_phy_configure(serdes, cfg->regs,
- cfg->serdes_tbl_hbr2,
- cfg->serdes_tbl_hbr2_num);
- break;
- case 8100:
- qcom_qmp_phy_configure(serdes, cfg->regs,
- cfg->serdes_tbl_hbr3,
- cfg->serdes_tbl_hbr3_num);
- break;
- default:
- /* Other link rates aren't supported */
- return -EINVAL;
- }
- }
-
+static int qcom_qmp_phy_com_ready(struct qmp_phy *qphy)
+{
+ struct qcom_qmp *qmp = qphy->qmp;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
+ void __iomem *serdes = qphy->serdes;
+ int ret;
if (cfg->has_phy_com_ctrl) {
void __iomem *status;
@@ -4589,484 +4014,7 @@ static int qcom_qmp_phy_serdes_init(struct qmp_phy *qphy)
return 0;
}
-static void qcom_qmp_v3_phy_dp_aux_init(struct qmp_phy *qphy)
-{
- writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
- DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN,
- qphy->pcs + QSERDES_DP_PHY_PD_CTL);
-
- /* Turn on BIAS current for PHY/PLL */
- writel(QSERDES_V3_COM_BIAS_EN | QSERDES_V3_COM_BIAS_EN_MUX |
- QSERDES_V3_COM_CLKBUF_L_EN | QSERDES_V3_COM_EN_SYSCLK_TX_SEL,
- qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN);
-
- writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
-
- writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
- DP_PHY_PD_CTL_LANE_0_1_PWRDN |
- DP_PHY_PD_CTL_LANE_2_3_PWRDN | DP_PHY_PD_CTL_PLL_PWRDN |
- DP_PHY_PD_CTL_DP_CLAMP_EN,
- qphy->pcs + QSERDES_DP_PHY_PD_CTL);
-
- writel(QSERDES_V3_COM_BIAS_EN |
- QSERDES_V3_COM_BIAS_EN_MUX | QSERDES_V3_COM_CLKBUF_R_EN |
- QSERDES_V3_COM_CLKBUF_L_EN | QSERDES_V3_COM_EN_SYSCLK_TX_SEL |
- QSERDES_V3_COM_CLKBUF_RX_DRIVE_L,
- qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN);
-
- writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG0);
- writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
- writel(0x24, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
- writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG3);
- writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG4);
- writel(0x26, qphy->pcs + QSERDES_DP_PHY_AUX_CFG5);
- writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG6);
- writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG7);
- writel(0xbb, qphy->pcs + QSERDES_DP_PHY_AUX_CFG8);
- writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG9);
- qphy->dp_aux_cfg = 0;
-
- writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK |
- PHY_AUX_SYNC_ERR_MASK | PHY_AUX_ALIGN_ERR_MASK |
- PHY_AUX_REQ_ERR_MASK,
- qphy->pcs + QSERDES_V3_DP_PHY_AUX_INTERRUPT_MASK);
-}
-
-static const u8 qmp_dp_v3_pre_emphasis_hbr3_hbr2[4][4] = {
- { 0x00, 0x0c, 0x15, 0x1a },
- { 0x02, 0x0e, 0x16, 0xff },
- { 0x02, 0x11, 0xff, 0xff },
- { 0x04, 0xff, 0xff, 0xff }
-};
-
-static const u8 qmp_dp_v3_voltage_swing_hbr3_hbr2[4][4] = {
- { 0x02, 0x12, 0x16, 0x1a },
- { 0x09, 0x19, 0x1f, 0xff },
- { 0x10, 0x1f, 0xff, 0xff },
- { 0x1f, 0xff, 0xff, 0xff }
-};
-
-static const u8 qmp_dp_v3_pre_emphasis_hbr_rbr[4][4] = {
- { 0x00, 0x0c, 0x14, 0x19 },
- { 0x00, 0x0b, 0x12, 0xff },
- { 0x00, 0x0b, 0xff, 0xff },
- { 0x04, 0xff, 0xff, 0xff }
-};
-
-static const u8 qmp_dp_v3_voltage_swing_hbr_rbr[4][4] = {
- { 0x08, 0x0f, 0x16, 0x1f },
- { 0x11, 0x1e, 0x1f, 0xff },
- { 0x19, 0x1f, 0xff, 0xff },
- { 0x1f, 0xff, 0xff, 0xff }
-};
-
-static int qcom_qmp_phy_configure_dp_swing(struct qmp_phy *qphy,
- unsigned int drv_lvl_reg, unsigned int emp_post_reg)
-{
- const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
- unsigned int v_level = 0, p_level = 0;
- u8 voltage_swing_cfg, pre_emphasis_cfg;
- int i;
-
- for (i = 0; i < dp_opts->lanes; i++) {
- v_level = max(v_level, dp_opts->voltage[i]);
- p_level = max(p_level, dp_opts->pre[i]);
- }
-
- if (dp_opts->link_rate <= 2700) {
- voltage_swing_cfg = qmp_dp_v3_voltage_swing_hbr_rbr[v_level][p_level];
- pre_emphasis_cfg = qmp_dp_v3_pre_emphasis_hbr_rbr[v_level][p_level];
- } else {
- voltage_swing_cfg = qmp_dp_v3_voltage_swing_hbr3_hbr2[v_level][p_level];
- pre_emphasis_cfg = qmp_dp_v3_pre_emphasis_hbr3_hbr2[v_level][p_level];
- }
-
- /* TODO: Move check to config check */
- if (voltage_swing_cfg == 0xFF && pre_emphasis_cfg == 0xFF)
- return -EINVAL;
-
- /* Enable MUX to use Cursor values from these registers */
- voltage_swing_cfg |= DP_PHY_TXn_TX_DRV_LVL_MUX_EN;
- pre_emphasis_cfg |= DP_PHY_TXn_TX_EMP_POST1_LVL_MUX_EN;
-
- writel(voltage_swing_cfg, qphy->tx + drv_lvl_reg);
- writel(pre_emphasis_cfg, qphy->tx + emp_post_reg);
- writel(voltage_swing_cfg, qphy->tx2 + drv_lvl_reg);
- writel(pre_emphasis_cfg, qphy->tx2 + emp_post_reg);
-
- return 0;
-}
-
-static void qcom_qmp_v3_phy_configure_dp_tx(struct qmp_phy *qphy)
-{
- const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
- u32 bias_en, drvr_en;
-
- if (qcom_qmp_phy_configure_dp_swing(qphy,
- QSERDES_V3_TX_TX_DRV_LVL,
- QSERDES_V3_TX_TX_EMP_POST1_LVL) < 0)
- return;
-
- if (dp_opts->lanes == 1) {
- bias_en = 0x3e;
- drvr_en = 0x13;
- } else {
- bias_en = 0x3f;
- drvr_en = 0x10;
- }
-
- writel(drvr_en, qphy->tx + QSERDES_V3_TX_HIGHZ_DRVR_EN);
- writel(bias_en, qphy->tx + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
- writel(drvr_en, qphy->tx2 + QSERDES_V3_TX_HIGHZ_DRVR_EN);
- writel(bias_en, qphy->tx2 + QSERDES_V3_TX_TRANSCEIVER_BIAS_EN);
-}
-
-static bool qcom_qmp_phy_configure_dp_mode(struct qmp_phy *qphy)
-{
- u32 val;
- bool reverse = false;
-
- val = DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
- DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN;
-
- /*
- * TODO: Assume orientation is CC1 for now and two lanes, need to
- * use type-c connector to understand orientation and lanes.
- *
- * Otherwise val changes to be like below if this code understood
- * the orientation of the type-c cable.
- *
- * if (lane_cnt == 4 || orientation == ORIENTATION_CC2)
- * val |= DP_PHY_PD_CTL_LANE_0_1_PWRDN;
- * if (lane_cnt == 4 || orientation == ORIENTATION_CC1)
- * val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN;
- * if (orientation == ORIENTATION_CC2)
- * writel(0x4c, qphy->pcs + QSERDES_V3_DP_PHY_MODE);
- */
- val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN;
- writel(val, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
-
- writel(0x5c, qphy->pcs + QSERDES_DP_PHY_MODE);
-
- return reverse;
-}
-
-static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
-{
- const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks;
- const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
- u32 phy_vco_div, status;
- unsigned long pixel_freq;
-
- qcom_qmp_phy_configure_dp_mode(qphy);
-
- writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX0_TX1_LANE_CTL);
- writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX2_TX3_LANE_CTL);
-
- switch (dp_opts->link_rate) {
- case 1620:
- phy_vco_div = 0x1;
- pixel_freq = 1620000000UL / 2;
- break;
- case 2700:
- phy_vco_div = 0x1;
- pixel_freq = 2700000000UL / 2;
- break;
- case 5400:
- phy_vco_div = 0x2;
- pixel_freq = 5400000000UL / 4;
- break;
- case 8100:
- phy_vco_div = 0x0;
- pixel_freq = 8100000000UL / 6;
- break;
- default:
- /* Other link rates aren't supported */
- return -EINVAL;
- }
- writel(phy_vco_div, qphy->pcs + QSERDES_V3_DP_PHY_VCO_DIV);
-
- clk_set_rate(dp_clks->dp_link_hw.clk, dp_opts->link_rate * 100000);
- clk_set_rate(dp_clks->dp_pixel_hw.clk, pixel_freq);
-
- writel(0x04, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
- writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
- writel(0x05, qphy->pcs + QSERDES_DP_PHY_CFG);
- writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
- writel(0x09, qphy->pcs + QSERDES_DP_PHY_CFG);
-
- writel(0x20, qphy->serdes + QSERDES_V3_COM_RESETSM_CNTRL);
-
- if (readl_poll_timeout(qphy->serdes + QSERDES_V3_COM_C_READY_STATUS,
- status,
- ((status & BIT(0)) > 0),
- 500,
- 10000))
- return -ETIMEDOUT;
-
- writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
-
- if (readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS,
- status,
- ((status & BIT(1)) > 0),
- 500,
- 10000))
- return -ETIMEDOUT;
-
- writel(0x18, qphy->pcs + QSERDES_DP_PHY_CFG);
- udelay(2000);
- writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
-
- return readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS,
- status,
- ((status & BIT(1)) > 0),
- 500,
- 10000);
-}
-
-/*
- * We need to calibrate the aux setting here as many times
- * as the caller tries
- */
-static int qcom_qmp_v3_dp_phy_calibrate(struct qmp_phy *qphy)
-{
- static const u8 cfg1_settings[] = { 0x13, 0x23, 0x1d };
- u8 val;
-
- qphy->dp_aux_cfg++;
- qphy->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings);
- val = cfg1_settings[qphy->dp_aux_cfg];
-
- writel(val, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
-
- return 0;
-}
-
-static void qcom_qmp_v4_phy_dp_aux_init(struct qmp_phy *qphy)
-{
- writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_PSR_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
- DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN,
- qphy->pcs + QSERDES_DP_PHY_PD_CTL);
-
- /* Turn on BIAS current for PHY/PLL */
- writel(0x17, qphy->serdes + QSERDES_V4_COM_BIAS_EN_CLKBUFLR_EN);
-
- writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG0);
- writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
- writel(0xa4, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
- writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG3);
- writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG4);
- writel(0x26, qphy->pcs + QSERDES_DP_PHY_AUX_CFG5);
- writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG6);
- writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG7);
- writel(0xb7, qphy->pcs + QSERDES_DP_PHY_AUX_CFG8);
- writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG9);
- qphy->dp_aux_cfg = 0;
-
- writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK |
- PHY_AUX_SYNC_ERR_MASK | PHY_AUX_ALIGN_ERR_MASK |
- PHY_AUX_REQ_ERR_MASK,
- qphy->pcs + QSERDES_V4_DP_PHY_AUX_INTERRUPT_MASK);
-}
-
-static void qcom_qmp_v4_phy_configure_dp_tx(struct qmp_phy *qphy)
-{
- /* Program default values before writing proper values */
- writel(0x27, qphy->tx + QSERDES_V4_TX_TX_DRV_LVL);
- writel(0x27, qphy->tx2 + QSERDES_V4_TX_TX_DRV_LVL);
-
- writel(0x20, qphy->tx + QSERDES_V4_TX_TX_EMP_POST1_LVL);
- writel(0x20, qphy->tx2 + QSERDES_V4_TX_TX_EMP_POST1_LVL);
-
- qcom_qmp_phy_configure_dp_swing(qphy,
- QSERDES_V4_TX_TX_DRV_LVL,
- QSERDES_V4_TX_TX_EMP_POST1_LVL);
-}
-
-static int qcom_qmp_v4_phy_configure_dp_phy(struct qmp_phy *qphy)
-{
- const struct qmp_phy_dp_clks *dp_clks = qphy->dp_clks;
- const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
- u32 phy_vco_div, status;
- unsigned long pixel_freq;
- u32 bias0_en, drvr0_en, bias1_en, drvr1_en;
- bool reverse;
-
- writel(0x0f, qphy->pcs + QSERDES_V4_DP_PHY_CFG_1);
-
- reverse = qcom_qmp_phy_configure_dp_mode(qphy);
-
- writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
- writel(0xa4, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
-
- writel(0x05, qphy->pcs + QSERDES_V4_DP_PHY_TX0_TX1_LANE_CTL);
- writel(0x05, qphy->pcs + QSERDES_V4_DP_PHY_TX2_TX3_LANE_CTL);
-
- switch (dp_opts->link_rate) {
- case 1620:
- phy_vco_div = 0x1;
- pixel_freq = 1620000000UL / 2;
- break;
- case 2700:
- phy_vco_div = 0x1;
- pixel_freq = 2700000000UL / 2;
- break;
- case 5400:
- phy_vco_div = 0x2;
- pixel_freq = 5400000000UL / 4;
- break;
- case 8100:
- phy_vco_div = 0x0;
- pixel_freq = 8100000000UL / 6;
- break;
- default:
- /* Other link rates aren't supported */
- return -EINVAL;
- }
- writel(phy_vco_div, qphy->pcs + QSERDES_V4_DP_PHY_VCO_DIV);
-
- clk_set_rate(dp_clks->dp_link_hw.clk, dp_opts->link_rate * 100000);
- clk_set_rate(dp_clks->dp_pixel_hw.clk, pixel_freq);
-
- writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
- writel(0x05, qphy->pcs + QSERDES_DP_PHY_CFG);
- writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
- writel(0x09, qphy->pcs + QSERDES_DP_PHY_CFG);
-
- writel(0x20, qphy->serdes + QSERDES_V4_COM_RESETSM_CNTRL);
-
- if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_C_READY_STATUS,
- status,
- ((status & BIT(0)) > 0),
- 500,
- 10000))
- return -ETIMEDOUT;
-
- if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_CMN_STATUS,
- status,
- ((status & BIT(0)) > 0),
- 500,
- 10000))
- return -ETIMEDOUT;
-
- if (readl_poll_timeout(qphy->serdes + QSERDES_V4_COM_CMN_STATUS,
- status,
- ((status & BIT(1)) > 0),
- 500,
- 10000))
- return -ETIMEDOUT;
-
- writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
-
- if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS,
- status,
- ((status & BIT(0)) > 0),
- 500,
- 10000))
- return -ETIMEDOUT;
-
- if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS,
- status,
- ((status & BIT(1)) > 0),
- 500,
- 10000))
- return -ETIMEDOUT;
-
- /*
- * At least for 7nm DP PHY this has to be done after enabling link
- * clock.
- */
-
- if (dp_opts->lanes == 1) {
- bias0_en = reverse ? 0x3e : 0x15;
- bias1_en = reverse ? 0x15 : 0x3e;
- drvr0_en = reverse ? 0x13 : 0x10;
- drvr1_en = reverse ? 0x10 : 0x13;
- } else if (dp_opts->lanes == 2) {
- bias0_en = reverse ? 0x3f : 0x15;
- bias1_en = reverse ? 0x15 : 0x3f;
- drvr0_en = 0x10;
- drvr1_en = 0x10;
- } else {
- bias0_en = 0x3f;
- bias1_en = 0x3f;
- drvr0_en = 0x10;
- drvr1_en = 0x10;
- }
-
- writel(drvr0_en, qphy->tx + QSERDES_V4_TX_HIGHZ_DRVR_EN);
- writel(bias0_en, qphy->tx + QSERDES_V4_TX_TRANSCEIVER_BIAS_EN);
- writel(drvr1_en, qphy->tx2 + QSERDES_V4_TX_HIGHZ_DRVR_EN);
- writel(bias1_en, qphy->tx2 + QSERDES_V4_TX_TRANSCEIVER_BIAS_EN);
-
- writel(0x18, qphy->pcs + QSERDES_DP_PHY_CFG);
- udelay(2000);
- writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
-
- if (readl_poll_timeout(qphy->pcs + QSERDES_V4_DP_PHY_STATUS,
- status,
- ((status & BIT(1)) > 0),
- 500,
- 10000))
- return -ETIMEDOUT;
-
- writel(0x0a, qphy->tx + QSERDES_V4_TX_TX_POL_INV);
- writel(0x0a, qphy->tx2 + QSERDES_V4_TX_TX_POL_INV);
-
- writel(0x27, qphy->tx + QSERDES_V4_TX_TX_DRV_LVL);
- writel(0x27, qphy->tx2 + QSERDES_V4_TX_TX_DRV_LVL);
-
- writel(0x20, qphy->tx + QSERDES_V4_TX_TX_EMP_POST1_LVL);
- writel(0x20, qphy->tx2 + QSERDES_V4_TX_TX_EMP_POST1_LVL);
-
- return 0;
-}
-
-/*
- * We need to calibrate the aux setting here as many times
- * as the caller tries
- */
-static int qcom_qmp_v4_dp_phy_calibrate(struct qmp_phy *qphy)
-{
- static const u8 cfg1_settings[] = { 0x20, 0x13, 0x23, 0x1d };
- u8 val;
-
- qphy->dp_aux_cfg++;
- qphy->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings);
- val = cfg1_settings[qphy->dp_aux_cfg];
-
- writel(val, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
-
- return 0;
-}
-
-static int qcom_qmp_dp_phy_configure(struct phy *phy, union phy_configure_opts *opts)
-{
- const struct phy_configure_opts_dp *dp_opts = &opts->dp;
- struct qmp_phy *qphy = phy_get_drvdata(phy);
- const struct qmp_phy_cfg *cfg = qphy->cfg;
-
- memcpy(&qphy->dp_opts, dp_opts, sizeof(*dp_opts));
- if (qphy->dp_opts.set_voltages) {
- cfg->configure_dp_tx(qphy);
- qphy->dp_opts.set_voltages = 0;
- }
-
- return 0;
-}
-
-static int qcom_qmp_dp_phy_calibrate(struct phy *phy)
-{
- struct qmp_phy *qphy = phy_get_drvdata(phy);
- const struct qmp_phy_cfg *cfg = qphy->cfg;
-
- if (cfg->calibrate_dp_phy)
- return cfg->calibrate_dp_phy(qphy);
-
- return 0;
-}
-
-static int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
+int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
{
struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
@@ -5160,8 +4108,9 @@ static int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
return ret;
}
+EXPORT_SYMBOL_GPL(qcom_qmp_phy_com_init);
-static int qcom_qmp_phy_com_exit(struct qmp_phy *qphy)
+int qcom_qmp_phy_com_exit(struct qmp_phy *qphy)
{
struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
@@ -5195,6 +4144,7 @@ static int qcom_qmp_phy_com_exit(struct qmp_phy *qphy)
return 0;
}
+EXPORT_SYMBOL_GPL(qcom_qmp_phy_com_exit);
static int qcom_qmp_phy_init(struct phy *phy)
{
@@ -5235,41 +4185,15 @@ static int qcom_qmp_phy_init(struct phy *phy)
if (ret)
return ret;
- if (cfg->type == PHY_TYPE_DP)
- cfg->dp_aux_init(qphy);
-
return 0;
}
-static int qcom_qmp_phy_power_on(struct phy *phy)
+void qcom_qmp_phy_lanes_init(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
- struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *tx = qphy->tx;
void __iomem *rx = qphy->rx;
- void __iomem *pcs = qphy->pcs;
- void __iomem *pcs_misc = qphy->pcs_misc;
- void __iomem *status;
- unsigned int mask, val, ready;
- int ret;
-
- qcom_qmp_phy_serdes_init(qphy);
-
- if (cfg->has_lane_rst) {
- ret = reset_control_deassert(qphy->lane_rst);
- if (ret) {
- dev_err(qmp->dev, "lane%d reset deassert failed\n",
- qphy->index);
- return ret;
- }
- }
-
- ret = clk_prepare_enable(qphy->pipe_clk);
- if (ret) {
- dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret);
- goto err_reset_lane;
- }
/* Tx, Rx, and PCS configurations */
qcom_qmp_phy_configure_lane(tx, cfg->regs,
@@ -5288,10 +4212,6 @@ static int qcom_qmp_phy_power_on(struct phy *phy)
cfg->tx_tbl_num_sec, 2);
}
- /* Configure special DP tx tunings */
- if (cfg->type == PHY_TYPE_DP)
- cfg->configure_dp_tx(qphy);
-
qcom_qmp_phy_configure_lane(rx, cfg->regs,
cfg->rx_tbl, cfg->rx_tbl_num, 1);
if (cfg->rx_tbl_sec)
@@ -5307,16 +4227,45 @@ static int qcom_qmp_phy_power_on(struct phy *phy)
cfg->rx_tbl_num_sec, 2);
}
- /* Configure link rate, swing, etc. */
- if (cfg->type == PHY_TYPE_DP) {
- cfg->configure_dp_phy(qphy);
- } else {
- qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
- if (cfg->pcs_tbl_sec)
- qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl_sec,
- cfg->pcs_tbl_num_sec);
+}
+EXPORT_SYMBOL_GPL(qcom_qmp_phy_lanes_init);
+
+static int qcom_qmp_phy_power_on(struct phy *phy)
+{
+ struct qmp_phy *qphy = phy_get_drvdata(phy);
+ struct qcom_qmp *qmp = qphy->qmp;
+ const struct qmp_phy_cfg *cfg = qphy->cfg;
+ void __iomem *pcs = qphy->pcs;
+ void __iomem *pcs_misc = qphy->pcs_misc;
+ void __iomem *status;
+ unsigned int mask, val, ready;
+ int ret;
+
+ qcom_qmp_phy_serdes_init(qphy);
+ qcom_qmp_phy_com_ready(qphy);
+
+ if (cfg->has_lane_rst) {
+ ret = reset_control_deassert(qphy->lane_rst);
+ if (ret) {
+ dev_err(qmp->dev, "lane%d reset deassert failed\n",
+ qphy->index);
+ return ret;
+ }
}
+ ret = clk_prepare_enable(qphy->pipe_clk);
+ if (ret) {
+ dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret);
+ goto err_reset_lane;
+ }
+
+ qcom_qmp_phy_lanes_init(phy);
+
+ qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
+ if (cfg->pcs_tbl_sec)
+ qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl_sec,
+ cfg->pcs_tbl_num_sec);
+
ret = reset_control_deassert(qmp->ufs_reset);
if (ret)
goto err_disable_pipe_clk;
@@ -5337,30 +4286,29 @@ static int qcom_qmp_phy_power_on(struct phy *phy)
if (cfg->has_pwrdn_delay)
usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max);
- if (cfg->type != PHY_TYPE_DP) {
- /* Pull PHY out of reset state */
- if (!cfg->no_pcs_sw_reset)
- qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
- /* start SerDes and Phy-Coding-Sublayer */
- qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
-
- if (cfg->type == PHY_TYPE_UFS) {
- status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
- mask = PCS_READY;
- ready = PCS_READY;
- } else {
- status = pcs + cfg->regs[QPHY_PCS_STATUS];
- mask = cfg->phy_status;
- ready = 0;
- }
+ /* Pull PHY out of reset state */
+ if (!cfg->no_pcs_sw_reset)
+ qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
+ /* start SerDes and Phy-Coding-Sublayer */
+ qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
- ret = readl_poll_timeout(status, val, (val & mask) == ready, 10,
- PHY_INIT_COMPLETE_TIMEOUT);
- if (ret) {
- dev_err(qmp->dev, "phy initialization timed-out\n");
- goto err_disable_pipe_clk;
- }
+ if (cfg->type == PHY_TYPE_UFS) {
+ status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
+ mask = PCS_READY;
+ ready = PCS_READY;
+ } else {
+ status = pcs + cfg->regs[QPHY_PCS_STATUS];
+ mask = cfg->phy_status;
+ ready = 0;
}
+
+ ret = readl_poll_timeout(status, val, (val & mask) == ready, 10,
+ PHY_INIT_COMPLETE_TIMEOUT);
+ if (ret) {
+ dev_err(qmp->dev, "phy initialization timed-out\n");
+ goto err_disable_pipe_clk;
+ }
+
return 0;
err_disable_pipe_clk:
@@ -5379,25 +4327,20 @@ static int qcom_qmp_phy_power_off(struct phy *phy)
clk_disable_unprepare(qphy->pipe_clk);
- if (cfg->type == PHY_TYPE_DP) {
- /* Assert DP PHY power down */
- writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
- } else {
- /* PHY reset */
- if (!cfg->no_pcs_sw_reset)
- qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
+ /* PHY reset */
+ if (!cfg->no_pcs_sw_reset)
+ qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
- /* stop SerDes and Phy-Coding-Sublayer */
- qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
+ /* stop SerDes and Phy-Coding-Sublayer */
+ qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
- /* Put PHY into POWER DOWN state: active low */
- if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) {
- qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
- cfg->pwrdn_ctrl);
- } else {
- qphy_clrbits(qphy->pcs, QPHY_POWER_DOWN_CONTROL,
- cfg->pwrdn_ctrl);
- }
+ /* Put PHY into POWER DOWN state: active low */
+ if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) {
+ qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
+ cfg->pwrdn_ctrl);
+ } else {
+ qphy_clrbits(qphy->pcs, QPHY_POWER_DOWN_CONTROL,
+ cfg->pwrdn_ctrl);
}
return 0;
@@ -5637,7 +4580,7 @@ static void phy_clk_release_provider(void *res)
* clk | +-------+ | +-----+
* +---------------+
*/
-static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np)
+int qcom_qmp_phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np)
{
struct clk_fixed_rate *fixed;
struct clk_init_data init = { };
@@ -5673,216 +4616,15 @@ static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np)
*/
return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, np);
}
+EXPORT_SYMBOL_GPL(qcom_qmp_phy_pipe_clk_register);
-/*
- * Display Port PLL driver block diagram for branch clocks
- *
- * +------------------------------+
- * | DP_VCO_CLK |
- * | |
- * | +-------------------+ |
- * | | (DP PLL/VCO) | |
- * | +---------+---------+ |
- * | v |
- * | +----------+-----------+ |
- * | | hsclk_divsel_clk_src | |
- * | +----------+-----------+ |
- * +------------------------------+
- * |
- * +---------<---------v------------>----------+
- * | |
- * +--------v----------------+ |
- * | dp_phy_pll_link_clk | |
- * | link_clk | |
- * +--------+----------------+ |
- * | |
- * | |
- * v v
- * Input to DISPCC block |
- * for link clk, crypto clk |
- * and interface clock |
- * |
- * |
- * +--------<------------+-----------------+---<---+
- * | | |
- * +----v---------+ +--------v-----+ +--------v------+
- * | vco_divided | | vco_divided | | vco_divided |
- * | _clk_src | | _clk_src | | _clk_src |
- * | | | | | |
- * |divsel_six | | divsel_two | | divsel_four |
- * +-------+------+ +-----+--------+ +--------+------+
- * | | |
- * v---->----------v-------------<------v
- * |
- * +----------+-----------------+
- * | dp_phy_pll_vco_div_clk |
- * +---------+------------------+
- * |
- * v
- * Input to DISPCC block
- * for DP pixel clock
- *
- */
-static int qcom_qmp_dp_pixel_clk_determine_rate(struct clk_hw *hw,
- struct clk_rate_request *req)
-{
- switch (req->rate) {
- case 1620000000UL / 2:
- case 2700000000UL / 2:
- /* 5.4 and 8.1 GHz are same link rate as 2.7GHz, i.e. div 4 and div 6 */
- return 0;
- default:
- return -EINVAL;
- }
-}
-
-static unsigned long
-qcom_qmp_dp_pixel_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
-{
- const struct qmp_phy_dp_clks *dp_clks;
- const struct qmp_phy *qphy;
- const struct phy_configure_opts_dp *dp_opts;
-
- dp_clks = container_of(hw, struct qmp_phy_dp_clks, dp_pixel_hw);
- qphy = dp_clks->qphy;
- dp_opts = &qphy->dp_opts;
-
- switch (dp_opts->link_rate) {
- case 1620:
- return 1620000000UL / 2;
- case 2700:
- return 2700000000UL / 2;
- case 5400:
- return 5400000000UL / 4;
- case 8100:
- return 8100000000UL / 6;
- default:
- return 0;
- }
-}
-
-static const struct clk_ops qcom_qmp_dp_pixel_clk_ops = {
- .determine_rate = qcom_qmp_dp_pixel_clk_determine_rate,
- .recalc_rate = qcom_qmp_dp_pixel_clk_recalc_rate,
-};
-
-static int qcom_qmp_dp_link_clk_determine_rate(struct clk_hw *hw,
- struct clk_rate_request *req)
-{
- switch (req->rate) {
- case 162000000:
- case 270000000:
- case 540000000:
- case 810000000:
- return 0;
- default:
- return -EINVAL;
- }
-}
-
-static unsigned long
-qcom_qmp_dp_link_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
-{
- const struct qmp_phy_dp_clks *dp_clks;
- const struct qmp_phy *qphy;
- const struct phy_configure_opts_dp *dp_opts;
-
- dp_clks = container_of(hw, struct qmp_phy_dp_clks, dp_link_hw);
- qphy = dp_clks->qphy;
- dp_opts = &qphy->dp_opts;
-
- switch (dp_opts->link_rate) {
- case 1620:
- case 2700:
- case 5400:
- case 8100:
- return dp_opts->link_rate * 100000;
- default:
- return 0;
- }
-}
-
-static const struct clk_ops qcom_qmp_dp_link_clk_ops = {
- .determine_rate = qcom_qmp_dp_link_clk_determine_rate,
- .recalc_rate = qcom_qmp_dp_link_clk_recalc_rate,
-};
-
-static struct clk_hw *
-qcom_qmp_dp_clks_hw_get(struct of_phandle_args *clkspec, void *data)
-{
- struct qmp_phy_dp_clks *dp_clks = data;
- unsigned int idx = clkspec->args[0];
-
- if (idx >= 2) {
- pr_err("%s: invalid index %u\n", __func__, idx);
- return ERR_PTR(-EINVAL);
- }
-
- if (idx == 0)
- return &dp_clks->dp_link_hw;
-
- return &dp_clks->dp_pixel_hw;
-}
-
-static int phy_dp_clks_register(struct qcom_qmp *qmp, struct qmp_phy *qphy,
- struct device_node *np)
-{
- struct clk_init_data init = { };
- struct qmp_phy_dp_clks *dp_clks;
- char name[64];
- int ret;
-
- dp_clks = devm_kzalloc(qmp->dev, sizeof(*dp_clks), GFP_KERNEL);
- if (!dp_clks)
- return -ENOMEM;
-
- dp_clks->qphy = qphy;
- qphy->dp_clks = dp_clks;
-
- snprintf(name, sizeof(name), "%s::link_clk", dev_name(qmp->dev));
- init.ops = &qcom_qmp_dp_link_clk_ops;
- init.name = name;
- dp_clks->dp_link_hw.init = &init;
- ret = devm_clk_hw_register(qmp->dev, &dp_clks->dp_link_hw);
- if (ret)
- return ret;
-
- snprintf(name, sizeof(name), "%s::vco_div_clk", dev_name(qmp->dev));
- init.ops = &qcom_qmp_dp_pixel_clk_ops;
- init.name = name;
- dp_clks->dp_pixel_hw.init = &init;
- ret = devm_clk_hw_register(qmp->dev, &dp_clks->dp_pixel_hw);
- if (ret)
- return ret;
-
- ret = of_clk_add_hw_provider(np, qcom_qmp_dp_clks_hw_get, dp_clks);
- if (ret)
- return ret;
-
- /*
- * Roll a devm action because the clock provider is the child node, but
- * the child node is not actually a device.
- */
- return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, np);
-}
-
-static const struct phy_ops qcom_qmp_phy_gen_ops = {
+const struct phy_ops qcom_qmp_phy_gen_ops = {
.init = qcom_qmp_phy_enable,
.exit = qcom_qmp_phy_disable,
.set_mode = qcom_qmp_phy_set_mode,
.owner = THIS_MODULE,
};
-
-static const struct phy_ops qcom_qmp_phy_dp_ops = {
- .init = qcom_qmp_phy_init,
- .configure = qcom_qmp_dp_phy_configure,
- .power_on = qcom_qmp_phy_power_on,
- .calibrate = qcom_qmp_dp_phy_calibrate,
- .power_off = qcom_qmp_phy_power_off,
- .exit = qcom_qmp_phy_exit,
- .set_mode = qcom_qmp_phy_set_mode,
- .owner = THIS_MODULE,
-};
+EXPORT_SYMBOL_GPL(qcom_qmp_phy_gen_ops);
static const struct phy_ops qcom_qmp_pcie_ufs_ops = {
.power_on = qcom_qmp_phy_enable,
@@ -5896,14 +4638,13 @@ static void qcom_qmp_reset_control_put(void *data)
reset_control_put(data);
}
-static
int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id,
- void __iomem *serdes, const struct qmp_phy_cfg *cfg)
+ void __iomem *serdes, const struct qmp_phy_cfg *cfg,
+ const struct phy_ops *ops)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
struct phy *generic_phy;
struct qmp_phy *qphy;
- const struct phy_ops *ops;
char prop_name[MAX_PROP_NAME];
int ret;
@@ -5996,13 +4737,6 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id,
return ret;
}
- if (cfg->type == PHY_TYPE_UFS || cfg->type == PHY_TYPE_PCIE)
- ops = &qcom_qmp_pcie_ufs_ops;
- else if (cfg->type == PHY_TYPE_DP)
- ops = &qcom_qmp_phy_dp_ops;
- else
- ops = &qcom_qmp_phy_gen_ops;
-
generic_phy = devm_phy_create(dev, np, ops);
if (IS_ERR(generic_phy)) {
ret = PTR_ERR(generic_phy);
@@ -6018,6 +4752,7 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id,
return 0;
}
+EXPORT_SYMBOL_GPL(qcom_qmp_phy_create);
static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
{
@@ -6050,9 +4785,6 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
}, {
.compatible = "qcom,sc7180-qmp-usb3-phy",
.data = &sc7180_usb3phy_cfg,
- }, {
- .compatible = "qcom,sc7180-qmp-usb3-dp-phy",
- /* It's a combo phy */
}, {
.compatible = "qcom,sc8180x-qmp-pcie-phy",
.data = &sc8180x_pciephy_cfg,
@@ -6065,9 +4797,6 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
}, {
.compatible = "qcom,sc8180x-qmp-usb3-phy",
.data = &sm8150_usb3phy_cfg,
- }, {
- .compatible = "qcom,sc8180x-qmp-usb3-dp-phy",
- /* It's a combo phy */
}, {
.compatible = "qcom,sdm845-qhp-pcie-phy",
.data = &sdm845_qhp_pciephy_cfg,
@@ -6107,9 +4836,6 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
}, {
.compatible = "qcom,sm8250-qmp-usb3-phy",
.data = &sm8250_usb3phy_cfg,
- }, {
- .compatible = "qcom,sm8250-qmp-usb3-dp-phy",
- /* It's a combo phy */
}, {
.compatible = "qcom,sm8250-qmp-usb3-uni-phy",
.data = &sm8250_usb3_uniphy_cfg,
@@ -6160,41 +4886,18 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
};
MODULE_DEVICE_TABLE(of, qcom_qmp_phy_of_match_table);
-static const struct of_device_id qcom_qmp_combo_phy_of_match_table[] = {
- {
- .compatible = "qcom,sc7180-qmp-usb3-dp-phy",
- .data = &sc7180_usb3dpphy_cfg,
- },
- {
- .compatible = "qcom,sm8250-qmp-usb3-dp-phy",
- .data = &sm8250_usb3dpphy_cfg,
- },
- {
- .compatible = "qcom,sc8180x-qmp-usb3-dp-phy",
- .data = &sc8180x_usb3dpphy_cfg,
- },
- { }
-};
-
-static const struct dev_pm_ops qcom_qmp_phy_pm_ops = {
+const struct dev_pm_ops qcom_qmp_phy_pm_ops = {
SET_RUNTIME_PM_OPS(qcom_qmp_phy_runtime_suspend,
qcom_qmp_phy_runtime_resume, NULL)
};
+EXPORT_SYMBOL_GPL(qcom_qmp_phy_pm_ops);
-static int qcom_qmp_phy_probe(struct platform_device *pdev)
+int qcom_qmp_phy_common_init(struct platform_device *pdev, const struct qmp_phy_cfg *cfg,
+ int expected_phys)
{
struct qcom_qmp *qmp;
struct device *dev = &pdev->dev;
- struct device_node *child;
- struct phy_provider *phy_provider;
- void __iomem *serdes;
- void __iomem *usb_serdes;
- void __iomem *dp_serdes = NULL;
- const struct qmp_phy_combo_cfg *combo_cfg = NULL;
- const struct qmp_phy_cfg *cfg = NULL;
- const struct qmp_phy_cfg *usb_cfg = NULL;
- const struct qmp_phy_cfg *dp_cfg = NULL;
- int num, id, expected_phys;
+ int num;
int ret;
qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL);
@@ -6204,47 +4907,6 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
qmp->dev = dev;
dev_set_drvdata(dev, qmp);
- /* Get the specific init parameters of QMP phy */
- cfg = of_device_get_match_data(dev);
- if (!cfg) {
- const struct of_device_id *match;
-
- match = of_match_device(qcom_qmp_combo_phy_of_match_table, dev);
- if (!match)
- return -EINVAL;
-
- combo_cfg = match->data;
- if (!combo_cfg)
- return -EINVAL;
-
- usb_cfg = combo_cfg->usb_cfg;
- cfg = usb_cfg; /* Setup clks and regulators */
- }
-
- /* per PHY serdes; usually located at base address */
- usb_serdes = serdes = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(serdes))
- return PTR_ERR(serdes);
-
- /* per PHY dp_com; if PHY has dp_com control block */
- if (combo_cfg || cfg->has_phy_dp_com_ctrl) {
- qmp->dp_com = devm_platform_ioremap_resource(pdev, 1);
- if (IS_ERR(qmp->dp_com))
- return PTR_ERR(qmp->dp_com);
- }
-
- if (combo_cfg) {
- /* Only two serdes for combo PHY */
- dp_serdes = devm_platform_ioremap_resource(pdev, 2);
- if (IS_ERR(dp_serdes))
- return PTR_ERR(dp_serdes);
-
- dp_cfg = combo_cfg->dp_cfg;
- expected_phys = 2;
- } else {
- expected_phys = cfg->nlanes;
- }
-
mutex_init(&qmp->phy_mutex);
ret = qcom_qmp_phy_clk_init(dev, cfg);
@@ -6280,18 +4942,57 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
*/
pm_runtime_forbid(dev);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(qcom_qmp_phy_common_init);
+
+static int qcom_qmp_phy_probe(struct platform_device *pdev)
+{
+ struct qcom_qmp *qmp;
+ struct device *dev = &pdev->dev;
+ struct device_node *child;
+ struct phy_provider *phy_provider;
+ void __iomem *serdes;
+ void __iomem *dp_com = NULL;
+ const struct qmp_phy_cfg *cfg = NULL;
+ int id;
+ int ret;
+
+ /* Get the specific init parameters of QMP phy */
+ cfg = of_device_get_match_data(dev);
+ if (!cfg)
+ return -EINVAL;
+
+ /* per PHY serdes; usually located at base address */
+ serdes = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(serdes))
+ return PTR_ERR(serdes);
+
+ /* per PHY dp_com; if PHY has dp_com control block */
+ if (cfg->has_phy_dp_com_ctrl) {
+ dp_com = devm_platform_ioremap_resource(pdev, 1);
+ if (IS_ERR(dp_com))
+ return PTR_ERR(dp_com);
+ }
+
+ ret = qcom_qmp_phy_common_init(pdev, cfg, cfg->nlanes);
+ if (ret)
+ return ret;
+
+ qmp = dev_get_drvdata(dev);
+ qmp->dp_com = dp_com;
+
id = 0;
for_each_available_child_of_node(dev->of_node, child) {
- if (of_node_name_eq(child, "dp-phy")) {
- cfg = dp_cfg;
- serdes = dp_serdes;
- } else if (of_node_name_eq(child, "usb3-phy")) {
- cfg = usb_cfg;
- serdes = usb_serdes;
- }
+ const struct phy_ops *ops;
+
+ if (cfg->type == PHY_TYPE_UFS || cfg->type == PHY_TYPE_PCIE)
+ ops = &qcom_qmp_pcie_ufs_ops;
+ else
+ ops = &qcom_qmp_phy_gen_ops;
/* Create per-lane phy */
- ret = qcom_qmp_phy_create(dev, child, id, serdes, cfg);
+ ret = qcom_qmp_phy_create(dev, child, id, serdes, cfg, ops);
if (ret) {
dev_err(dev, "failed to create lane%d phy, %d\n",
id, ret);
@@ -6303,19 +5004,12 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
* See function description to see details of this pipe clock.
*/
if (cfg->type == PHY_TYPE_USB3 || cfg->type == PHY_TYPE_PCIE) {
- ret = phy_pipe_clk_register(qmp, child);
+ ret = qcom_qmp_phy_pipe_clk_register(qmp, child);
if (ret) {
dev_err(qmp->dev,
"failed to register pipe clock source\n");
goto err_node_put;
}
- } else if (cfg->type == PHY_TYPE_DP) {
- ret = phy_dp_clks_register(qmp, qmp->phys[id], child);
- if (ret) {
- dev_err(qmp->dev,
- "failed to register DP clock source\n");
- goto err_node_put;
- }
}
id++;
}
@@ -6329,8 +5023,8 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
return PTR_ERR_OR_ZERO(phy_provider);
err_node_put:
- pm_runtime_disable(dev);
of_node_put(child);
+ pm_runtime_disable(dev);
return ret;
}
--
2.35.1
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