[PATCH v5 2/2] phy: rockchip: Add Samsung MIPI D-/C-PHY driver
Heiko Stuebner
heiko at sntech.de
Tue Dec 3 08:49:32 PST 2024
From: Heiko Stuebner <heiko.stuebner at cherry.de>
Add driver for the MIPI D-/C-PHY block based around a Samsung IP-block
that is for example needed to drive a MIPI DSI output on rk3588.
Right now only the D-PHY portion is implemented, with the C-PHY part
needing separate work.
Tested-by: Daniel Semkowicz <dse at thaumatec.com>
Tested-by: Sebastian Reichel <sebastian.reichel at collabora.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel at collabora.com>
Signed-off-by: Heiko Stuebner <heiko.stuebner at cherry.de>
---
drivers/phy/rockchip/Kconfig | 12 +
drivers/phy/rockchip/Makefile | 1 +
.../phy/rockchip/phy-rockchip-samsung-dcphy.c | 1604 +++++++++++++++++
3 files changed, 1617 insertions(+)
create mode 100644 drivers/phy/rockchip/phy-rockchip-samsung-dcphy.c
diff --git a/drivers/phy/rockchip/Kconfig b/drivers/phy/rockchip/Kconfig
index 2f7a05f21dc5..2bfb42996503 100644
--- a/drivers/phy/rockchip/Kconfig
+++ b/drivers/phy/rockchip/Kconfig
@@ -83,6 +83,18 @@ config PHY_ROCKCHIP_PCIE
help
Enable this to support the Rockchip PCIe PHY.
+config PHY_ROCKCHIP_SAMSUNG_DCPHY
+ tristate "Rockchip Samsung MIPI DCPHY driver"
+ depends on (ARCH_ROCKCHIP || COMPILE_TEST)
+ select GENERIC_PHY
+ select GENERIC_PHY_MIPI_DPHY
+ help
+ Enable this to support the Rockchip MIPI DCPHY with
+ Samsung IP block.
+
+ To compile this driver as a module, choose M here: the module
+ will be called phy-rockchip-samsung-dcphy
+
config PHY_ROCKCHIP_SAMSUNG_HDPTX
tristate "Rockchip Samsung HDMI/eDP Combo PHY driver"
depends on (ARCH_ROCKCHIP || COMPILE_TEST) && OF
diff --git a/drivers/phy/rockchip/Makefile b/drivers/phy/rockchip/Makefile
index 010a824e32ce..117aaffd037d 100644
--- a/drivers/phy/rockchip/Makefile
+++ b/drivers/phy/rockchip/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_PHY_ROCKCHIP_INNO_HDMI) += phy-rockchip-inno-hdmi.o
obj-$(CONFIG_PHY_ROCKCHIP_INNO_USB2) += phy-rockchip-inno-usb2.o
obj-$(CONFIG_PHY_ROCKCHIP_NANENG_COMBO_PHY) += phy-rockchip-naneng-combphy.o
obj-$(CONFIG_PHY_ROCKCHIP_PCIE) += phy-rockchip-pcie.o
+obj-$(CONFIG_PHY_ROCKCHIP_SAMSUNG_DCPHY) += phy-rockchip-samsung-dcphy.o
obj-$(CONFIG_PHY_ROCKCHIP_SAMSUNG_HDPTX) += phy-rockchip-samsung-hdptx.o
obj-$(CONFIG_PHY_ROCKCHIP_SNPS_PCIE3) += phy-rockchip-snps-pcie3.o
obj-$(CONFIG_PHY_ROCKCHIP_TYPEC) += phy-rockchip-typec.o
diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-dcphy.c b/drivers/phy/rockchip/phy-rockchip-samsung-dcphy.c
new file mode 100644
index 000000000000..7e4f82f87855
--- /dev/null
+++ b/drivers/phy/rockchip/phy-rockchip-samsung-dcphy.c
@@ -0,0 +1,1604 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2024 Rockchip Electronics Co.Ltd
+ * Author:
+ * Guochun Huang <hero.huang at rock-chips.com>
+ */
+
+#include <dt-bindings/phy/phy.h>
+#include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/of.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+
+#define FIELD_PREP_HIWORD(_mask, _val) \
+ ( \
+ FIELD_PREP((_mask), (_val)) | \
+ ((_mask) << 16) \
+ )
+
+#define BIAS_CON0 0x0000
+#define BIAS_CON1 0x0004
+#define BIAS_CON2 0x0008
+#define BIAS_CON4 0x0010
+#define I_MUX_SEL_MASK GENMASK(6, 5)
+#define I_MUX_SEL(x) FIELD_PREP(I_MUX_SEL_MASK, x)
+#define I_MUX_SEL_400MV I_MUX_SEL(0)
+#define I_MUX_SEL_200MV I_MUX_SEL(1)
+#define I_MUX_SEL_530MV I_MUX_SEL(2)
+
+#define PLL_CON0 0x0100
+#define PLL_EN BIT(12)
+#define S_MASK GENMASK(10, 8)
+#define S(x) FIELD_PREP(S_MASK, x)
+#define P_MASK GENMASK(5, 0)
+#define P(x) FIELD_PREP(P_MASK, x)
+#define PLL_CON1 0x0104
+#define PLL_CON2 0x0108
+#define M_MASK GENMASK(9, 0)
+#define M(x) FIELD_PREP(M_MASK, x)
+#define PLL_CON3 0x010c
+#define MRR_MASK GENMASK(13, 8)
+#define MRR(x) FIELD_PREP(MRR_MASK, x)
+#define MFR_MASK GENMASK(7, 0)
+#define MFR(x) FIELD_PREP(MFR_MASK, x)
+#define PLL_CON4 0x0110
+#define SSCG_EN BIT(11)
+#define PLL_CON5 0x0114
+#define RESET_N_SEL BIT(10)
+#define PLL_ENABLE_SEL BIT(8)
+#define PLL_CON6 0x0118
+#define PLL_CON7 0x011c
+#define PLL_LOCK_CNT(x) FIELD_PREP(GENMASK(15, 0), x)
+#define PLL_CON8 0x0120
+#define PLL_STB_CNT(x) FIELD_PREP(GENMASK(15, 0), x)
+#define PLL_STAT0 0x0140
+#define PLL_LOCK BIT(0)
+
+#define DPHY_MC_GNR_CON0 0x0300
+#define PHY_READY BIT(1)
+#define PHY_ENABLE BIT(0)
+#define DPHY_MC_GNR_CON1 0x0304
+#define T_PHY_READY(x) FIELD_PREP(GENMASK(15, 0), x)
+#define DPHY_MC_ANA_CON0 0x0308
+#define EDGE_CON(x) FIELD_PREP(GENMASK(14, 12), x)
+#define EDGE_CON_DIR(x) FIELD_PREP(BIT(9), x)
+#define EDGE_CON_EN BIT(8)
+#define RES_UP(x) FIELD_PREP(GENMASK(7, 4), x)
+#define RES_DN(x) FIELD_PREP(GENMASK(3, 0), x)
+#define DPHY_MC_ANA_CON1 0x030c
+#define DPHY_MC_ANA_CON2 0x0310
+#define HS_VREG_AMP_ICON(x) FIELD_PREP(GENMASK(1, 0), x)
+#define DPHY_MC_TIME_CON0 0x0330
+#define HSTX_CLK_SEL BIT(12)
+#define T_LPX(x) FIELD_PREP(GENMASK(11, 4), x)
+#define DPHY_MC_TIME_CON1 0x0334
+#define T_CLK_ZERO(x) FIELD_PREP(GENMASK(15, 8), x)
+#define T_CLK_PREPARE(x) FIELD_PREP(GENMASK(7, 0), x)
+#define DPHY_MC_TIME_CON2 0x0338
+#define T_HS_EXIT(x) FIELD_PREP(GENMASK(15, 8), x)
+#define T_CLK_TRAIL(x) FIELD_PREP(GENMASK(7, 0), x)
+#define DPHY_MC_TIME_CON3 0x033c
+#define T_CLK_POST(x) FIELD_PREP(GENMASK(7, 0), x)
+#define DPHY_MC_TIME_CON4 0x0340
+#define T_ULPS_EXIT(x) FIELD_PREP(GENMASK(9, 0), x)
+#define DPHY_MC_DESKEW_CON0 0x0350
+#define SKEW_CAL_RUN_TIME(x) FIELD_PREP(GENMASK(15, 12), x)
+
+#define SKEW_CAL_INIT_RUN_TIME(x) FIELD_PREP(GENMASK(11, 8), x)
+#define SKEW_CAL_INIT_WAIT_TIME(x) FIELD_PREP(GENMASK(7, 4), x)
+#define SKEW_CAL_EN BIT(0)
+
+#define COMBO_MD0_GNR_CON0 0x0400
+#define COMBO_MD0_GNR_CON1 0x0404
+#define COMBO_MD0_ANA_CON0 0x0408
+#define COMBO_MD0_ANA_CON1 0x040C
+#define COMBO_MD0_ANA_CON2 0x0410
+
+#define COMBO_MD0_TIME_CON0 0x0430
+#define COMBO_MD0_TIME_CON1 0x0434
+#define COMBO_MD0_TIME_CON2 0x0438
+#define COMBO_MD0_TIME_CON3 0x043C
+#define COMBO_MD0_TIME_CON4 0x0440
+#define COMBO_MD0_DATA_CON0 0x0444
+
+#define COMBO_MD1_GNR_CON0 0x0500
+#define COMBO_MD1_GNR_CON1 0x0504
+#define COMBO_MD1_ANA_CON0 0x0508
+#define COMBO_MD1_ANA_CON1 0x050c
+#define COMBO_MD1_ANA_CON2 0x0510
+#define COMBO_MD1_TIME_CON0 0x0530
+#define COMBO_MD1_TIME_CON1 0x0534
+#define COMBO_MD1_TIME_CON2 0x0538
+#define COMBO_MD1_TIME_CON3 0x053C
+#define COMBO_MD1_TIME_CON4 0x0540
+#define COMBO_MD1_DATA_CON0 0x0544
+
+#define COMBO_MD2_GNR_CON0 0x0600
+#define COMBO_MD2_GNR_CON1 0x0604
+#define COMBO_MD2_ANA_CON0 0X0608
+#define COMBO_MD2_ANA_CON1 0X060C
+#define COMBO_MD2_ANA_CON2 0X0610
+#define COMBO_MD2_TIME_CON0 0x0630
+#define COMBO_MD2_TIME_CON1 0x0634
+#define COMBO_MD2_TIME_CON2 0x0638
+#define COMBO_MD2_TIME_CON3 0x063C
+#define COMBO_MD2_TIME_CON4 0x0640
+#define COMBO_MD2_DATA_CON0 0x0644
+
+#define DPHY_MD3_GNR_CON0 0x0700
+#define DPHY_MD3_GNR_CON1 0x0704
+#define DPHY_MD3_ANA_CON0 0X0708
+#define DPHY_MD3_ANA_CON1 0X070C
+#define DPHY_MD3_ANA_CON2 0X0710
+#define DPHY_MD3_TIME_CON0 0x0730
+#define DPHY_MD3_TIME_CON1 0x0734
+#define DPHY_MD3_TIME_CON2 0x0738
+#define DPHY_MD3_TIME_CON3 0x073C
+#define DPHY_MD3_TIME_CON4 0x0740
+#define DPHY_MD3_DATA_CON0 0x0744
+
+#define T_LP_EXIT_SKEW(x) FIELD_PREP(GENMASK(3, 2), x)
+#define T_LP_ENTRY_SKEW(x) FIELD_PREP(GENMASK(1, 0), x)
+#define T_HS_ZERO(x) FIELD_PREP(GENMASK(15, 8), x)
+#define T_HS_PREPARE(x) FIELD_PREP(GENMASK(7, 0), x)
+#define T_HS_EXIT(x) FIELD_PREP(GENMASK(15, 8), x)
+#define T_HS_TRAIL(x) FIELD_PREP(GENMASK(7, 0), x)
+#define T_TA_GET(x) FIELD_PREP(GENMASK(7, 4), x)
+#define T_TA_GO(x) FIELD_PREP(GENMASK(3, 0), x)
+
+/* MIPI_CDPHY_GRF registers */
+#define MIPI_DCPHY_GRF_CON0 0x0000
+#define S_CPHY_MODE FIELD_PREP_HIWORD(BIT(3), 1)
+#define M_CPHY_MODE FIELD_PREP_HIWORD(BIT(0), 1)
+
+enum hs_drv_res_ohm {
+ STRENGTH_30_OHM = 0x8,
+ STRENGTH_31_2_OHM,
+ STRENGTH_32_5_OHM,
+ STRENGTH_34_OHM,
+ STRENGTH_35_5_OHM,
+ STRENGTH_37_OHM,
+ STRENGTH_39_OHM,
+ STRENGTH_41_OHM,
+ STRENGTH_43_OHM = 0x0,
+ STRENGTH_46_OHM,
+ STRENGTH_49_OHM,
+ STRENGTH_52_OHM,
+ STRENGTH_56_OHM,
+ STRENGTH_60_OHM,
+ STRENGTH_66_OHM,
+ STRENGTH_73_OHM,
+};
+
+struct hs_drv_res_cfg {
+ enum hs_drv_res_ohm clk_hs_drv_up_ohm;
+ enum hs_drv_res_ohm clk_hs_drv_down_ohm;
+ enum hs_drv_res_ohm data_hs_drv_up_ohm;
+ enum hs_drv_res_ohm data_hs_drv_down_ohm;
+};
+
+struct samsung_mipi_dcphy_plat_data {
+ const struct hs_drv_res_cfg *dphy_hs_drv_res_cfg;
+ u32 dphy_tx_max_lane_kbps;
+};
+
+struct samsung_mipi_dcphy {
+ struct device *dev;
+ struct clk *ref_clk;
+ struct clk *pclk;
+ struct regmap *regmap;
+ struct regmap *grf_regmap;
+ struct reset_control *m_phy_rst;
+ struct reset_control *s_phy_rst;
+ struct reset_control *apb_rst;
+ struct reset_control *grf_apb_rst;
+ unsigned int lanes;
+ struct phy *phy;
+ u8 type;
+
+ const struct samsung_mipi_dcphy_plat_data *pdata;
+ struct {
+ unsigned long long rate;
+ u8 prediv;
+ u16 fbdiv;
+ long dsm;
+ u8 scaler;
+
+ bool ssc_en;
+ u8 mfr;
+ u8 mrr;
+ } pll;
+};
+
+struct samsung_mipi_dphy_timing {
+ unsigned int max_lane_mbps;
+ u8 clk_prepare;
+ u8 clk_zero;
+ u8 clk_post;
+ u8 clk_trail_eot;
+ u8 hs_prepare;
+ u8 hs_zero;
+ u8 hs_trail_eot;
+ u8 lpx;
+ u8 hs_exit;
+ u8 hs_settle;
+};
+
+static const
+struct samsung_mipi_dphy_timing samsung_mipi_dphy_timing_table[] = {
+ {6500, 32, 117, 31, 28, 30, 56, 27, 24, 44, 37},
+ {6490, 32, 116, 31, 28, 30, 56, 27, 24, 44, 37},
+ {6480, 32, 116, 31, 28, 30, 56, 27, 24, 44, 37},
+ {6470, 32, 116, 31, 28, 30, 56, 27, 24, 44, 37},
+ {6460, 32, 116, 31, 28, 30, 56, 27, 24, 44, 37},
+ {6450, 32, 115, 31, 28, 30, 56, 27, 24, 44, 37},
+ {6440, 32, 115, 31, 28, 30, 56, 27, 24, 44, 37},
+ {6430, 31, 116, 31, 28, 30, 55, 27, 24, 44, 37},
+ {6420, 31, 116, 31, 28, 30, 55, 27, 24, 44, 37},
+ {6410, 31, 116, 31, 27, 30, 55, 27, 24, 44, 37},
+ {6400, 31, 115, 30, 27, 30, 55, 27, 23, 43, 36},
+ {6390, 31, 115, 30, 27, 30, 55, 27, 23, 43, 36},
+ {6380, 31, 115, 30, 27, 30, 55, 27, 23, 43, 36},
+ {6370, 31, 115, 30, 27, 30, 55, 26, 23, 43, 36},
+ {6360, 31, 114, 30, 27, 30, 54, 26, 23, 43, 36},
+ {6350, 31, 114, 30, 27, 30, 54, 26, 23, 43, 36},
+ {6340, 31, 114, 30, 27, 30, 54, 26, 23, 43, 36},
+ {6330, 31, 114, 30, 27, 30, 54, 26, 23, 43, 36},
+ {6320, 31, 113, 30, 27, 30, 54, 26, 23, 43, 36},
+ {6310, 31, 113, 30, 27, 30, 54, 26, 23, 43, 36},
+ {6300, 31, 113, 30, 27, 30, 54, 26, 23, 43, 36},
+ {6290, 31, 113, 30, 27, 29, 54, 26, 23, 43, 36},
+ {6280, 31, 112, 30, 27, 29, 54, 26, 23, 43, 36},
+ {6270, 31, 112, 30, 27, 29, 54, 26, 23, 43, 36},
+ {6260, 31, 112, 30, 27, 29, 54, 26, 23, 43, 36},
+ {6250, 31, 112, 30, 27, 29, 54, 26, 23, 42, 36},
+ {6240, 30, 113, 30, 27, 29, 54, 26, 23, 42, 36},
+ {6230, 30, 112, 30, 27, 29, 54, 26, 23, 42, 35},
+ {6220, 30, 112, 30, 27, 29, 53, 26, 23, 42, 35},
+ {6210, 30, 112, 30, 27, 29, 53, 26, 23, 42, 35},
+ {6200, 30, 112, 29, 27, 29, 53, 26, 23, 42, 35},
+ {6190, 30, 111, 29, 27, 29, 53, 26, 23, 42, 35},
+ {6180, 30, 111, 29, 27, 29, 53, 26, 23, 42, 35},
+ {6170, 30, 111, 29, 26, 29, 53, 26, 23, 42, 35},
+ {6160, 30, 111, 29, 26, 29, 53, 26, 23, 42, 35},
+ {6150, 30, 110, 29, 26, 29, 53, 26, 23, 42, 35},
+ {6140, 30, 110, 29, 26, 29, 52, 26, 23, 42, 35},
+ {6130, 30, 110, 29, 26, 29, 52, 25, 22, 42, 35},
+ {6120, 30, 110, 29, 26, 29, 52, 25, 22, 42, 35},
+ {6110, 30, 110, 29, 26, 29, 52, 25, 22, 42, 35},
+ {6100, 30, 109, 29, 26, 29, 52, 25, 22, 41, 35},
+ {6090, 30, 109, 29, 26, 29, 52, 25, 22, 41, 35},
+ {6080, 30, 109, 29, 26, 28, 53, 25, 22, 41, 35},
+ {6070, 30, 109, 29, 26, 28, 52, 25, 22, 41, 34},
+ {6060, 30, 108, 29, 26, 28, 52, 25, 22, 41, 34},
+ {6050, 30, 108, 29, 26, 28, 52, 25, 22, 41, 34},
+ {6040, 29, 109, 29, 26, 28, 52, 25, 22, 41, 34},
+ {6030, 29, 109, 29, 26, 28, 52, 25, 22, 41, 34},
+ {6020, 29, 108, 29, 26, 28, 52, 25, 22, 41, 34},
+ {6010, 29, 108, 29, 26, 28, 52, 25, 22, 41, 34},
+ {6000, 29, 108, 28, 26, 28, 51, 25, 22, 41, 34},
+ {5990, 29, 108, 28, 26, 28, 51, 25, 22, 41, 34},
+ {5980, 29, 107, 28, 26, 28, 51, 25, 22, 41, 34},
+ {5970, 29, 107, 28, 26, 28, 51, 25, 22, 41, 34},
+ {5960, 29, 107, 28, 26, 28, 51, 25, 22, 40, 34},
+ {5950, 29, 107, 28, 26, 28, 51, 25, 22, 40, 34},
+ {5940, 29, 107, 28, 25, 28, 51, 25, 22, 40, 34},
+ {5930, 29, 106, 28, 25, 28, 50, 25, 22, 40, 34},
+ {5920, 29, 106, 28, 25, 28, 50, 25, 22, 40, 34},
+ {5910, 29, 106, 28, 25, 28, 50, 25, 22, 40, 34},
+ {5900, 29, 106, 28, 25, 28, 50, 24, 22, 40, 33},
+ {5890, 29, 105, 28, 25, 28, 50, 24, 22, 40, 33},
+ {5880, 29, 105, 28, 25, 28, 50, 24, 22, 40, 33},
+ {5870, 29, 105, 28, 25, 27, 51, 24, 22, 40, 33},
+ {5860, 29, 105, 28, 25, 27, 51, 24, 21, 40, 33},
+ {5850, 29, 104, 28, 25, 27, 50, 24, 21, 40, 33},
+ {5840, 28, 105, 28, 25, 27, 50, 24, 21, 40, 33},
+ {5830, 28, 105, 28, 25, 27, 50, 24, 21, 40, 33},
+ {5820, 28, 105, 28, 25, 27, 50, 24, 21, 40, 33},
+ {5810, 28, 104, 28, 25, 27, 50, 24, 21, 39, 33},
+ {5800, 28, 104, 27, 25, 27, 50, 24, 21, 39, 33},
+ {5790, 28, 104, 27, 25, 27, 50, 24, 21, 39, 33},
+ {5780, 28, 104, 27, 25, 27, 49, 24, 21, 39, 33},
+ {5770, 28, 104, 27, 25, 27, 49, 24, 21, 39, 33},
+ {5760, 28, 103, 27, 25, 27, 49, 24, 21, 39, 33},
+ {5750, 28, 103, 27, 25, 27, 49, 24, 21, 39, 33},
+ {5740, 28, 103, 27, 25, 27, 49, 24, 21, 39, 33},
+ {5730, 28, 103, 27, 25, 27, 49, 24, 21, 39, 32},
+ {5720, 28, 102, 27, 25, 27, 49, 24, 21, 39, 32},
+ {5710, 28, 102, 27, 25, 27, 48, 24, 21, 39, 32},
+ {5700, 28, 102, 27, 24, 27, 48, 24, 21, 39, 32},
+ {5690, 28, 102, 27, 24, 27, 48, 24, 21, 39, 32},
+ {5680, 28, 101, 27, 24, 27, 48, 24, 21, 39, 32},
+ {5670, 28, 101, 27, 24, 27, 48, 23, 21, 38, 32},
+ {5660, 28, 101, 27, 24, 26, 49, 23, 21, 38, 32},
+ {5650, 28, 101, 27, 24, 26, 49, 23, 21, 38, 32},
+ {5640, 27, 101, 27, 24, 26, 48, 23, 21, 38, 32},
+ {5630, 27, 101, 27, 24, 26, 48, 23, 21, 38, 32},
+ {5620, 27, 101, 27, 24, 26, 48, 23, 21, 38, 32},
+ {5610, 27, 101, 27, 24, 26, 48, 23, 21, 38, 32},
+ {5600, 27, 101, 26, 24, 26, 48, 23, 20, 38, 32},
+ {5590, 27, 100, 26, 24, 26, 48, 23, 20, 38, 32},
+ {5580, 27, 100, 26, 24, 26, 48, 23, 20, 38, 32},
+ {5570, 27, 100, 26, 24, 26, 48, 23, 20, 38, 31},
+ {5560, 27, 100, 26, 24, 26, 47, 23, 20, 38, 31},
+ {5550, 27, 99, 26, 24, 26, 47, 23, 20, 38, 31},
+ {5540, 27, 99, 26, 24, 26, 47, 23, 20, 38, 31},
+ {5530, 27, 99, 26, 24, 26, 47, 23, 20, 38, 31},
+ {5520, 27, 99, 26, 24, 26, 47, 23, 20, 37, 31},
+ {5510, 27, 98, 26, 24, 26, 47, 23, 20, 37, 31},
+ {5500, 27, 98, 26, 24, 26, 47, 23, 20, 37, 31},
+ {5490, 27, 98, 26, 24, 26, 46, 23, 20, 37, 31},
+ {5480, 27, 98, 26, 24, 26, 46, 23, 20, 37, 31},
+ {5470, 27, 97, 26, 23, 26, 46, 23, 20, 37, 31},
+ {5460, 27, 97, 26, 23, 26, 46, 23, 20, 37, 31},
+ {5450, 27, 97, 26, 23, 25, 47, 23, 20, 37, 31},
+ {5440, 26, 98, 26, 23, 25, 47, 23, 20, 37, 31},
+ {5430, 26, 98, 26, 23, 25, 47, 22, 20, 37, 31},
+ {5420, 26, 97, 26, 23, 25, 46, 22, 20, 37, 31},
+ {5410, 26, 97, 26, 23, 25, 46, 22, 20, 37, 31},
+ {5400, 26, 97, 25, 23, 25, 46, 22, 20, 37, 30},
+ {5390, 26, 97, 25, 23, 25, 46, 22, 20, 37, 30},
+ {5380, 26, 96, 25, 23, 25, 46, 22, 20, 36, 30},
+ {5370, 26, 96, 25, 23, 25, 46, 22, 20, 36, 30},
+ {5360, 26, 96, 25, 23, 25, 46, 22, 20, 36, 30},
+ {5350, 26, 96, 25, 23, 25, 46, 22, 20, 36, 30},
+ {5340, 26, 95, 25, 23, 25, 45, 22, 20, 36, 30},
+ {5330, 26, 95, 25, 23, 25, 45, 22, 19, 36, 30},
+ {5320, 26, 95, 25, 23, 25, 45, 22, 19, 36, 30},
+ {5310, 26, 95, 25, 23, 25, 45, 22, 19, 36, 30},
+ {5300, 26, 95, 25, 23, 25, 45, 22, 19, 36, 30},
+ {5290, 26, 94, 25, 23, 25, 45, 22, 19, 36, 30},
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+ {2290, 11, 39, 10, 10, 10, 18, 9, 8, 15, 12},
+ {2280, 11, 39, 10, 10, 10, 18, 9, 8, 15, 12},
+ {2270, 10, 39, 10, 10, 10, 18, 9, 8, 15, 12},
+ {2260, 10, 39, 10, 10, 10, 18, 9, 8, 15, 12},
+ {2250, 10, 39, 10, 10, 10, 18, 9, 8, 15, 12},
+ {2240, 10, 39, 10, 10, 10, 18, 9, 8, 15, 11},
+ {2230, 10, 38, 10, 10, 10, 18, 9, 8, 15, 11},
+ {2220, 10, 38, 10, 10, 10, 17, 9, 8, 15, 11},
+ {2210, 10, 38, 10, 10, 10, 17, 9, 8, 15, 11},
+ {2200, 10, 38, 9, 10, 10, 17, 9, 8, 15, 11},
+ {2190, 10, 38, 9, 9, 10, 17, 9, 8, 15, 11},
+ {2180, 10, 37, 9, 9, 10, 17, 9, 8, 14, 11},
+ {2170, 10, 37, 9, 9, 10, 17, 9, 8, 14, 11},
+ {2160, 10, 37, 9, 9, 10, 17, 9, 8, 14, 11},
+ {2150, 10, 37, 9, 9, 10, 16, 8, 8, 14, 11},
+ {2140, 10, 36, 9, 9, 10, 16, 8, 8, 14, 11},
+ {2130, 10, 36, 9, 9, 10, 16, 8, 7, 14, 11},
+ {2120, 10, 36, 9, 9, 9, 17, 8, 7, 14, 11},
+ {2110, 10, 36, 9, 9, 9, 17, 8, 7, 14, 11},
+ {2100, 10, 35, 9, 9, 9, 17, 8, 7, 14, 11},
+ {2090, 10, 35, 9, 9, 9, 17, 8, 7, 14, 11},
+ {2080, 9, 36, 9, 9, 9, 16, 8, 7, 14, 11},
+ {2070, 9, 36, 9, 9, 9, 16, 8, 7, 14, 10},
+ {2060, 9, 35, 9, 9, 9, 16, 8, 7, 14, 10},
+ {2050, 9, 35, 9, 9, 9, 16, 8, 7, 14, 10},
+ {2040, 9, 35, 9, 9, 9, 16, 8, 7, 14, 10},
+ {2030, 9, 35, 9, 9, 9, 16, 8, 7, 13, 10},
+ {2020, 9, 35, 9, 9, 9, 16, 8, 7, 13, 10},
+ {2010, 9, 34, 9, 9, 9, 15, 8, 7, 13, 10},
+ {2000, 9, 34, 8, 9, 9, 15, 8, 7, 13, 10},
+ {1990, 9, 34, 8, 9, 9, 15, 8, 7, 13, 10},
+ {1980, 9, 34, 8, 9, 9, 15, 8, 7, 13, 10},
+ {1970, 9, 33, 8, 9, 9, 15, 8, 7, 13, 10},
+ {1960, 9, 33, 8, 9, 9, 15, 8, 7, 13, 10},
+ {1950, 9, 33, 8, 8, 9, 15, 8, 7, 13, 10},
+ {1940, 9, 33, 8, 8, 9, 15, 8, 7, 13, 10},
+ {1930, 9, 32, 8, 8, 9, 14, 8, 7, 13, 10},
+ {1920, 9, 32, 8, 8, 9, 14, 8, 7, 13, 10},
+ {1910, 9, 32, 8, 8, 8, 15, 7, 7, 13, 9},
+ {1900, 9, 32, 8, 8, 8, 15, 7, 7, 13, 9},
+ {1890, 9, 31, 8, 8, 8, 15, 7, 7, 12, 9},
+ {1880, 8, 32, 8, 8, 8, 15, 7, 7, 12, 9},
+ {1870, 8, 32, 8, 8, 8, 15, 7, 7, 12, 9},
+ {1860, 8, 32, 8, 8, 8, 14, 7, 6, 12, 9},
+ {1850, 8, 32, 8, 8, 8, 14, 7, 6, 12, 9},
+ {1840, 8, 31, 8, 8, 8, 14, 7, 6, 12, 9},
+ {1830, 8, 31, 8, 8, 8, 14, 7, 6, 12, 9},
+ {1820, 8, 31, 8, 8, 8, 14, 7, 6, 12, 9},
+ {1810, 8, 31, 8, 8, 8, 14, 7, 6, 12, 9},
+ {1800, 8, 30, 7, 8, 8, 14, 7, 6, 12, 9},
+ {1790, 8, 30, 7, 8, 8, 13, 7, 6, 12, 9},
+ {1780, 8, 30, 7, 8, 8, 13, 7, 6, 12, 9},
+ {1770, 8, 30, 7, 8, 8, 13, 7, 6, 12, 9},
+ {1760, 8, 29, 7, 8, 8, 13, 7, 6, 12, 9},
+ {1750, 8, 29, 7, 8, 8, 13, 7, 6, 12, 9},
+ {1740, 8, 29, 7, 8, 8, 13, 7, 6, 11, 8},
+ {1730, 8, 29, 7, 8, 8, 13, 7, 6, 11, 8},
+ {1720, 8, 29, 7, 7, 8, 13, 7, 6, 11, 8},
+ {1710, 8, 28, 7, 7, 8, 12, 7, 6, 11, 8},
+ {1700, 8, 28, 7, 7, 7, 13, 7, 6, 11, 8},
+ {1690, 8, 28, 7, 7, 7, 13, 7, 6, 11, 8},
+ {1680, 7, 29, 7, 7, 7, 13, 6, 6, 11, 8},
+ {1670, 7, 28, 7, 7, 7, 13, 6, 6, 11, 8},
+ {1660, 7, 28, 7, 7, 7, 13, 6, 6, 11, 8},
+ {1650, 7, 28, 7, 7, 7, 13, 6, 6, 11, 8},
+ {1640, 7, 28, 7, 7, 7, 12, 6, 6, 11, 8},
+ {1630, 7, 27, 7, 7, 7, 12, 6, 6, 11, 8},
+ {1620, 7, 27, 7, 7, 7, 12, 6, 6, 11, 8},
+ {1610, 7, 27, 7, 7, 7, 12, 6, 6, 11, 8},
+ {1600, 7, 27, 6, 7, 7, 12, 6, 5, 10, 8},
+ {1590, 7, 26, 6, 7, 7, 12, 6, 5, 10, 8},
+ {1580, 7, 26, 6, 7, 7, 12, 6, 5, 10, 7},
+ {1570, 7, 26, 6, 7, 7, 11, 6, 5, 10, 7},
+ {1560, 7, 26, 6, 7, 7, 11, 6, 5, 10, 7},
+ {1550, 7, 26, 6, 7, 7, 11, 6, 5, 10, 7},
+ {1540, 7, 25, 6, 7, 7, 11, 6, 5, 10, 7},
+ {1530, 7, 25, 6, 7, 7, 11, 6, 5, 10, 7},
+ {1520, 7, 25, 6, 7, 7, 11, 6, 5, 10, 7},
+ {1510, 7, 25, 6, 7, 7, 11, 6, 5, 10, 7},
+ {1500, 7, 24, 6, 7, 7, 10, 6, 5, 10, 7},
+ {1490, 59, 25, 6, 77, 59, 10, 70, 44, 9, 73},
+ {1480, 59, 24, 6, 76, 58, 10, 70, 44, 9, 73},
+ {1470, 58, 24, 6, 76, 58, 10, 69, 44, 9, 72},
+ {1460, 58, 24, 6, 76, 58, 10, 69, 43, 9, 72},
+ {1450, 58, 24, 6, 75, 57, 10, 68, 43, 9, 71},
+ {1440, 57, 24, 6, 75, 57, 10, 68, 43, 9, 71},
+ {1430, 57, 23, 6, 75, 57, 10, 68, 43, 8, 70},
+ {1420, 56, 23, 6, 74, 57, 9, 67, 43, 8, 70},
+ {1410, 56, 23, 6, 74, 57, 9, 67, 43, 8, 69},
+ {1400, 56, 23, 5, 74, 55, 9, 67, 41, 8, 69},
+ {1390, 55, 23, 5, 73, 55, 9, 66, 41, 8, 68},
+ {1380, 55, 23, 5, 73, 54, 9, 66, 41, 8, 68},
+ {1370, 54, 22, 5, 72, 54, 9, 66, 41, 8, 67},
+ {1360, 54, 22, 5, 72, 54, 9, 65, 40, 8, 67},
+ {1350, 54, 22, 5, 72, 53, 9, 65, 40, 8, 66},
+ {1340, 53, 22, 5, 71, 53, 9, 65, 40, 8, 66},
+ {1330, 53, 22, 5, 71, 53, 9, 64, 39, 8, 65},
+ {1320, 52, 22, 5, 71, 53, 8, 64, 40, 8, 65},
+ {1310, 52, 21, 5, 70, 53, 8, 64, 40, 8, 64},
+ {1300, 51, 21, 5, 70, 51, 8, 63, 38, 8, 64},
+ {1290, 51, 21, 5, 70, 51, 8, 63, 38, 7, 64},
+ {1280, 51, 21, 5, 69, 51, 8, 63, 38, 7, 63},
+ {1270, 50, 21, 5, 69, 50, 8, 62, 38, 7, 63},
+ {1260, 50, 20, 5, 69, 50, 8, 62, 37, 7, 62},
+ {1250, 49, 20, 5, 68, 49, 8, 62, 37, 7, 62},
+ {1240, 49, 20, 5, 68, 49, 8, 61, 37, 7, 61},
+ {1230, 49, 20, 5, 68, 49, 8, 61, 36, 7, 61},
+ {1220, 48, 20, 5, 67, 48, 8, 61, 36, 7, 60},
+ {1210, 48, 19, 5, 67, 48, 7, 60, 36, 7, 60},
+ {1200, 49, 19, 4, 67, 49, 7, 60, 36, 7, 59},
+ {1190, 48, 19, 4, 66, 48, 7, 60, 36, 7, 59},
+ {1180, 48, 19, 4, 66, 48, 7, 59, 36, 7, 58},
+ {1170, 46, 19, 4, 66, 46, 7, 59, 35, 7, 58},
+ {1160, 46, 18, 4, 65, 46, 7, 59, 34, 7, 57},
+ {1150, 45, 18, 4, 65, 46, 7, 58, 34, 7, 57},
+ {1140, 45, 18, 4, 65, 45, 7, 58, 34, 6, 56},
+ {1130, 45, 18, 4, 64, 45, 7, 58, 33, 6, 56},
+ {1120, 44, 18, 4, 64, 44, 7, 57, 33, 6, 55},
+ {1110, 44, 18, 4, 64, 44, 7, 57, 33, 6, 55},
+ {1100, 43, 17, 4, 63, 44, 6, 57, 32, 6, 54},
+ {1090, 43, 17, 4, 63, 44, 6, 56, 33, 6, 54},
+ {1080, 43, 17, 4, 63, 44, 6, 56, 33, 6, 53},
+ {1070, 42, 17, 4, 62, 44, 6, 56, 33, 6, 53},
+ {1060, 42, 17, 4, 62, 42, 6, 55, 31, 6, 52},
+ {1050, 41, 17, 4, 62, 42, 6, 55, 31, 6, 52},
+ {1040, 41, 16, 4, 61, 41, 6, 54, 31, 6, 52},
+ {1030, 41, 16, 4, 61, 41, 6, 54, 30, 6, 51},
+ {1020, 40, 16, 4, 61, 41, 6, 54, 30, 6, 51},
+ {1010, 40, 16, 4, 60, 40, 6, 53, 30, 6, 50},
+ {1000, 39, 16, 3, 60, 40, 6, 53, 29, 5, 50},
+ { 990, 39, 15, 3, 60, 39, 6, 53, 29, 5, 49},
+ { 980, 39, 15, 3, 59, 39, 5, 52, 29, 5, 49},
+ { 970, 38, 15, 3, 59, 39, 5, 52, 29, 5, 48},
+ { 960, 38, 15, 3, 59, 39, 5, 52, 29, 5, 48},
+ { 950, 37, 15, 3, 58, 39, 5, 51, 29, 5, 47},
+ { 940, 37, 14, 3, 58, 39, 5, 51, 29, 5, 47},
+ { 930, 37, 14, 3, 57, 37, 5, 51, 27, 5, 46},
+ { 920, 36, 14, 3, 57, 37, 5, 50, 27, 5, 46},
+ { 910, 36, 14, 3, 57, 36, 5, 50, 27, 5, 45},
+ { 900, 35, 14, 3, 56, 36, 5, 50, 26, 5, 45},
+ { 890, 35, 14, 3, 56, 36, 5, 49, 26, 5, 44},
+ { 880, 35, 13, 3, 56, 35, 5, 49, 26, 5, 44},
+ { 870, 34, 13, 3, 55, 35, 4, 49, 26, 5, 43},
+ { 860, 34, 13, 3, 55, 35, 4, 48, 25, 5, 43},
+ { 850, 33, 13, 3, 55, 35, 4, 48, 26, 4, 42},
+ { 840, 33, 13, 3, 54, 35, 4, 48, 26, 4, 42},
+ { 830, 33, 12, 3, 54, 33, 4, 47, 24, 4, 41},
+ { 820, 32, 12, 3, 54, 33, 4, 47, 24, 4, 41},
+ { 810, 32, 12, 3, 53, 33, 4, 47, 24, 4, 40},
+ { 800, 31, 12, 2, 53, 32, 4, 46, 23, 4, 40},
+ { 790, 31, 12, 2, 53, 32, 4, 46, 23, 4, 39},
+ { 780, 30, 12, 2, 52, 31, 4, 46, 23, 4, 39},
+ { 770, 30, 11, 2, 52, 31, 4, 45, 23, 4, 39},
+ { 760, 30, 11, 2, 52, 31, 3, 45, 22, 4, 38},
+ { 750, 29, 11, 2, 51, 30, 3, 45, 22, 4, 38},
+ { 740, 29, 11, 2, 51, 30, 3, 44, 22, 4, 37},
+ { 730, 28, 11, 2, 51, 31, 3, 44, 22, 4, 37},
+ { 720, 28, 10, 2, 50, 30, 3, 44, 22, 4, 36},
+ { 710, 28, 10, 2, 50, 30, 3, 43, 22, 4, 36},
+ { 700, 27, 10, 2, 50, 28, 3, 43, 20, 3, 35},
+ { 690, 27, 10, 2, 49, 28, 3, 43, 20, 3, 35},
+ { 680, 26, 10, 2, 49, 28, 3, 42, 20, 3, 34},
+ { 670, 26, 10, 2, 49, 27, 3, 42, 20, 3, 34},
+ { 660, 26, 9, 2, 48, 27, 3, 42, 19, 3, 33},
+ { 650, 25, 9, 2, 48, 26, 3, 41, 19, 3, 33},
+ { 640, 25, 9, 2, 48, 26, 2, 41, 19, 3, 32},
+ { 630, 24, 9, 2, 47, 26, 2, 40, 18, 3, 32},
+ { 620, 24, 9, 2, 47, 26, 2, 40, 19, 3, 31},
+ { 610, 24, 8, 2, 47, 26, 2, 40, 19, 3, 31},
+ { 600, 23, 8, 1, 46, 26, 2, 39, 18, 3, 30},
+ { 590, 23, 8, 1, 46, 24, 2, 39, 17, 3, 30},
+ { 580, 22, 8, 1, 46, 24, 2, 39, 17, 3, 29},
+ { 570, 22, 8, 1, 45, 23, 2, 38, 17, 3, 29},
+ { 560, 22, 7, 1, 45, 23, 2, 38, 16, 2, 28},
+ { 550, 21, 7, 1, 45, 23, 2, 38, 16, 2, 28},
+ { 540, 21, 7, 1, 44, 22, 2, 37, 16, 2, 27},
+ { 530, 20, 7, 1, 44, 22, 1, 37, 15, 2, 27},
+ { 520, 20, 7, 1, 43, 21, 1, 37, 15, 2, 27},
+ { 510, 20, 6, 1, 43, 21, 1, 36, 15, 2, 26},
+ { 500, 19, 6, 1, 43, 22, 1, 36, 15, 2, 26},
+ { 490, 19, 6, 1, 42, 21, 1, 36, 15, 2, 25},
+ { 480, 18, 6, 1, 42, 21, 1, 35, 15, 2, 25},
+ { 470, 18, 6, 1, 42, 21, 1, 35, 15, 2, 24},
+ { 460, 18, 6, 1, 41, 19, 1, 35, 13, 2, 24},
+ { 450, 17, 5, 1, 41, 19, 1, 34, 13, 2, 23},
+ { 440, 17, 5, 1, 41, 18, 1, 34, 13, 2, 23},
+ { 430, 16, 5, 1, 40, 18, 0, 34, 12, 2, 22},
+ { 420, 16, 5, 1, 40, 18, 0, 33, 12, 2, 22},
+ { 410, 16, 5, 1, 40, 17, 0, 33, 12, 1, 21},
+ { 400, 15, 5, 0, 39, 17, 0, 33, 11, 1, 21},
+ { 390, 15, 4, 0, 39, 17, 0, 32, 12, 1, 20},
+ { 380, 14, 4, 0, 39, 17, 0, 32, 12, 1, 20},
+ { 370, 14, 4, 0, 38, 17, 0, 32, 12, 1, 19},
+ { 360, 14, 4, 0, 38, 15, 0, 31, 10, 1, 19},
+ { 350, 13, 4, 0, 38, 15, 0, 31, 10, 1, 18},
+ { 340, 13, 3, 0, 37, 15, 0, 31, 10, 1, 18},
+ { 330, 12, 3, 0, 37, 14, 0, 30, 9, 1, 17},
+ { 320, 12, 3, 0, 37, 14, 0, 30, 9, 1, 17},
+ { 310, 12, 3, 0, 36, 13, 0, 30, 9, 1, 16},
+ { 300, 11, 3, 0, 36, 13, 0, 29, 8, 1, 16},
+ { 290, 11, 2, 0, 36, 13, 0, 29, 8, 1, 15},
+ { 280, 10, 2, 0, 35, 12, 0, 29, 8, 1, 15},
+ { 270, 10, 2, 0, 35, 12, 0, 28, 8, 0, 14},
+ { 260, 9, 2, 0, 35, 12, 0, 28, 8, 0, 14},
+ { 250, 9, 2, 0, 34, 12, 0, 28, 8, 0, 14},
+ { 240, 9, 2, 0, 34, 12, 0, 27, 8, 0, 13},
+ { 230, 8, 1, 0, 34, 10, 0, 27, 6, 0, 13},
+ { 220, 8, 1, 0, 33, 10, 0, 27, 6, 0, 12},
+ { 210, 7, 1, 0, 33, 10, 0, 26, 6, 0, 12},
+ { 200, 7, 1, 0, 33, 9, 0, 26, 5, 0, 11},
+ { 190, 7, 1, 0, 32, 9, 0, 25, 5, 0, 11},
+ { 180, 6, 1, 0, 32, 8, 0, 25, 5, 0, 10},
+ { 170, 6, 0, 0, 32, 8, 0, 25, 5, 0, 10},
+ { 160, 5, 0, 0, 31, 8, 0, 24, 4, 0, 9},
+ { 150, 5, 0, 0, 31, 8, 0, 24, 5, 0, 9},
+ { 140, 5, 0, 0, 31, 8, 0, 24, 5, 0, 8},
+ { 130, 4, 0, 0, 30, 6, 0, 23, 3, 0, 8},
+ { 120, 4, 0, 0, 30, 6, 0, 23, 3, 0, 7},
+ { 110, 3, 0, 0, 30, 6, 0, 23, 3, 0, 7},
+ { 100, 3, 0, 0, 29, 5, 0, 22, 2, 0, 6},
+ { 90, 3, 0, 0, 29, 5, 0, 22, 2, 0, 6},
+ { 80, 2, 0, 0, 28, 5, 0, 22, 2, 0, 5},
+};
+
+static void samsung_mipi_dcphy_bias_block_enable(struct samsung_mipi_dcphy *samsung)
+{
+ u32 bias_con2 = 0x3223;
+
+ regmap_write(samsung->regmap, BIAS_CON0, 0x0010);
+ regmap_write(samsung->regmap, BIAS_CON1, 0x0110);
+ regmap_write(samsung->regmap, BIAS_CON2, bias_con2);
+
+ /* default output voltage select:
+ * dphy: 400mv
+ * cphy: 530mv
+ */
+ regmap_update_bits(samsung->regmap, BIAS_CON4,
+ I_MUX_SEL_MASK, I_MUX_SEL_400MV);
+}
+
+static void samsung_mipi_dphy_lane_enable(struct samsung_mipi_dcphy *samsung)
+{
+ regmap_write(samsung->regmap, DPHY_MC_GNR_CON1, T_PHY_READY(0x2000));
+ regmap_update_bits(samsung->regmap, DPHY_MC_GNR_CON0,
+ PHY_ENABLE, PHY_ENABLE);
+
+ switch (samsung->lanes) {
+ case 4:
+ regmap_write(samsung->regmap, DPHY_MD3_GNR_CON1,
+ T_PHY_READY(0x2000));
+ regmap_update_bits(samsung->regmap, DPHY_MD3_GNR_CON0,
+ PHY_ENABLE, PHY_ENABLE);
+ fallthrough;
+ case 3:
+ regmap_write(samsung->regmap, COMBO_MD2_GNR_CON1,
+ T_PHY_READY(0x2000));
+ regmap_update_bits(samsung->regmap, COMBO_MD2_GNR_CON0,
+ PHY_ENABLE, PHY_ENABLE);
+ fallthrough;
+ case 2:
+ regmap_write(samsung->regmap, COMBO_MD1_GNR_CON1,
+ T_PHY_READY(0x2000));
+ regmap_update_bits(samsung->regmap, COMBO_MD1_GNR_CON0,
+ PHY_ENABLE, PHY_ENABLE);
+ fallthrough;
+ case 1:
+ default:
+ regmap_write(samsung->regmap, COMBO_MD0_GNR_CON1,
+ T_PHY_READY(0x2000));
+ regmap_update_bits(samsung->regmap, COMBO_MD0_GNR_CON0,
+ PHY_ENABLE, PHY_ENABLE);
+ break;
+ }
+}
+
+static void samsung_mipi_dphy_lane_disable(struct samsung_mipi_dcphy *samsung)
+{
+ regmap_update_bits(samsung->regmap, DPHY_MC_GNR_CON0, PHY_ENABLE, 0);
+ regmap_update_bits(samsung->regmap, COMBO_MD0_GNR_CON0, PHY_ENABLE, 0);
+ regmap_update_bits(samsung->regmap, COMBO_MD1_GNR_CON0, PHY_ENABLE, 0);
+ regmap_update_bits(samsung->regmap, COMBO_MD2_GNR_CON0, PHY_ENABLE, 0);
+ regmap_update_bits(samsung->regmap, DPHY_MD3_GNR_CON0, PHY_ENABLE, 0);
+}
+
+static void samsung_mipi_dcphy_pll_configure(struct samsung_mipi_dcphy *samsung)
+{
+ regmap_update_bits(samsung->regmap, PLL_CON0, S_MASK | P_MASK,
+ S(samsung->pll.scaler) | P(samsung->pll.prediv));
+
+ if (samsung->pll.dsm < 0) {
+ u16 dsm_tmp;
+
+ /* Using opposite number subtraction to find complement */
+ dsm_tmp = abs(samsung->pll.dsm);
+ dsm_tmp = dsm_tmp - 1;
+ dsm_tmp ^= 0xffff;
+ regmap_write(samsung->regmap, PLL_CON1, dsm_tmp);
+ } else {
+ regmap_write(samsung->regmap, PLL_CON1, samsung->pll.dsm);
+ }
+
+ regmap_update_bits(samsung->regmap, PLL_CON2,
+ M_MASK, M(samsung->pll.fbdiv));
+
+ if (samsung->pll.ssc_en) {
+ regmap_write(samsung->regmap, PLL_CON3,
+ MRR(samsung->pll.mrr) | MFR(samsung->pll.mfr));
+ regmap_update_bits(samsung->regmap, PLL_CON4, SSCG_EN, SSCG_EN);
+ }
+
+ regmap_write(samsung->regmap, PLL_CON5, RESET_N_SEL | PLL_ENABLE_SEL);
+ regmap_write(samsung->regmap, PLL_CON7, PLL_LOCK_CNT(0xf000));
+ regmap_write(samsung->regmap, PLL_CON8, PLL_STB_CNT(0xf000));
+}
+
+static int samsung_mipi_dcphy_pll_enable(struct samsung_mipi_dcphy *samsung)
+{
+ u32 sts;
+ int ret;
+
+ regmap_update_bits(samsung->regmap, PLL_CON0, PLL_EN, PLL_EN);
+
+ ret = regmap_read_poll_timeout(samsung->regmap, PLL_STAT0,
+ sts, (sts & PLL_LOCK), 1000, 20000);
+ if (ret < 0)
+ dev_err(samsung->dev, "DC-PHY pll failed to lock\n");
+
+ return ret;
+}
+
+static void samsung_mipi_dcphy_pll_disable(struct samsung_mipi_dcphy *samsung)
+{
+ regmap_update_bits(samsung->regmap, PLL_CON0, PLL_EN, 0);
+}
+
+static const struct samsung_mipi_dphy_timing *
+samsung_mipi_dphy_get_timing(struct samsung_mipi_dcphy *samsung)
+{
+ const struct samsung_mipi_dphy_timing *timings;
+ unsigned int num_timings;
+ unsigned int lane_mbps = div64_ul(samsung->pll.rate, USEC_PER_SEC);
+ unsigned int i;
+
+ timings = samsung_mipi_dphy_timing_table;
+ num_timings = ARRAY_SIZE(samsung_mipi_dphy_timing_table);
+
+ for (i = num_timings; i > 1; i--)
+ if (lane_mbps <= timings[i - 1].max_lane_mbps)
+ break;
+
+ return &timings[i - 1];
+}
+
+static unsigned long
+samsung_mipi_dcphy_pll_round_rate(struct samsung_mipi_dcphy *samsung,
+ unsigned long prate, unsigned long rate,
+ u8 *prediv, u16 *fbdiv, int *dsm, u8 *scaler)
+{
+ u32 max_fout = samsung->pdata->dphy_tx_max_lane_kbps;
+ u64 best_freq = 0;
+ u64 fin, fvco, fout;
+ u8 min_prediv, max_prediv;
+ u8 _prediv, best_prediv = 1;
+ u16 _fbdiv, best_fbdiv = 1;
+ u8 _scaler, best_scaler = 0;
+ u32 min_delta = UINT_MAX;
+ long _dsm, best_dsm = 0;
+
+ if (!prate) {
+ dev_err(samsung->dev, "parent rate of PLL can not be zero\n");
+ return 0;
+ }
+
+ /*
+ * The PLL output frequency can be calculated using a simple formula:
+ * Fvco = ((m+k/65536) x 2 x Fin) / p
+ * Fout = ((m+k/65536) x 2 x Fin) / (p x 2^s)
+ */
+ fin = div64_ul(prate, MSEC_PER_SEC);
+
+ while (!best_freq) {
+ fout = div64_ul(rate, MSEC_PER_SEC);
+ if (fout > max_fout)
+ fout = max_fout;
+
+ /* 0 ≤ S[2:0] ≤ 6 */
+ for (_scaler = 0; _scaler < 7; _scaler++) {
+ fvco = fout << _scaler;
+
+ /*
+ * 2600MHz ≤ FVCO ≤ 6600MHz
+ */
+ if (fvco < 2600 * MSEC_PER_SEC || fvco > 6600 * MSEC_PER_SEC)
+ continue;
+
+ /* 6MHz ≤ Fref(Fin / p) ≤ 30MHz */
+ min_prediv = DIV_ROUND_UP_ULL(fin, 30 * MSEC_PER_SEC);
+ max_prediv = DIV_ROUND_CLOSEST_ULL(fin, 6 * MSEC_PER_SEC);
+
+ for (_prediv = min_prediv; _prediv <= max_prediv; _prediv++) {
+ u64 delta, tmp;
+
+ _fbdiv = DIV_ROUND_CLOSEST_ULL(fvco * _prediv, 2 * fin);
+
+ /* 64 ≤ M[9:0] ≤ 1023 */
+ if (_fbdiv < 64 || _fbdiv > 1023)
+ continue;
+
+ /* -32767 ≤ K[15:0] ≤ 32767 */
+ _dsm = ((_prediv * fvco) - (2 * _fbdiv * fin));
+ _dsm = DIV_ROUND_UP_ULL(_dsm << 15, fin);
+ if (abs(_dsm) > 32767)
+ continue;
+
+ tmp = DIV_ROUND_CLOSEST_ULL((_fbdiv * fin * 2 * 1000), _prediv);
+ tmp += DIV_ROUND_CLOSEST_ULL((_dsm * fin * 1000), _prediv << 15);
+
+ delta = abs(fvco * MSEC_PER_SEC - tmp);
+ if (delta < min_delta) {
+ best_prediv = _prediv;
+ best_fbdiv = _fbdiv;
+ best_dsm = _dsm;
+ best_scaler = _scaler;
+ min_delta = delta;
+ best_freq = DIV_ROUND_CLOSEST_ULL(tmp, 1000) * MSEC_PER_SEC;
+ }
+ }
+ }
+
+ rate += 100 * MSEC_PER_SEC;
+ }
+
+ *prediv = best_prediv;
+ *fbdiv = best_fbdiv;
+ *dsm = (int)best_dsm & 0xffff;
+ *scaler = best_scaler;
+ dev_dbg(samsung->dev, "p: %d, m: %d, dsm:%ld, scaler: %d\n",
+ best_prediv, best_fbdiv, best_dsm, best_scaler);
+
+ return best_freq >> best_scaler;
+}
+
+static void
+samsung_mipi_dphy_clk_lane_timing_init(struct samsung_mipi_dcphy *samsung)
+{
+ const struct samsung_mipi_dphy_timing *timing;
+ unsigned int lane_hs_rate = div64_ul(samsung->pll.rate, USEC_PER_SEC);
+ u32 val, res_up, res_down;
+
+ timing = samsung_mipi_dphy_get_timing(samsung);
+ regmap_write(samsung->regmap, DPHY_MC_GNR_CON0, 0xf000);
+
+ /*
+ * The Drive-Strength / Voltage-Amplitude is adjusted by setting
+ * the Driver-Up Resistor and Driver-Down Resistor.
+ */
+ res_up = samsung->pdata->dphy_hs_drv_res_cfg->clk_hs_drv_up_ohm;
+ res_down = samsung->pdata->dphy_hs_drv_res_cfg->clk_hs_drv_down_ohm;
+ val = EDGE_CON(7) | EDGE_CON_DIR(0) | EDGE_CON_EN |
+ RES_UP(res_up) | RES_DN(res_down);
+ regmap_write(samsung->regmap, DPHY_MC_ANA_CON0, val);
+
+ if (lane_hs_rate >= 4500)
+ regmap_write(samsung->regmap, DPHY_MC_ANA_CON1, 0x0001);
+
+ val = 0;
+ /*
+ * Divide-by-2 Clock from Serial Clock. Use this when data rate is under
+ * 1500Mbps, otherwise divide-by-16 Clock from Serial Clock
+ */
+ if (lane_hs_rate < 1500)
+ val = HSTX_CLK_SEL;
+
+ val |= T_LPX(timing->lpx);
+ /* T_LP_EXIT_SKEW/T_LP_ENTRY_SKEW unconfig */
+ regmap_write(samsung->regmap, DPHY_MC_TIME_CON0, val);
+
+ val = T_CLK_ZERO(timing->clk_zero) | T_CLK_PREPARE(timing->clk_prepare);
+ regmap_write(samsung->regmap, DPHY_MC_TIME_CON1, val);
+
+ val = T_HS_EXIT(timing->hs_exit) | T_CLK_TRAIL(timing->clk_trail_eot);
+ regmap_write(samsung->regmap, DPHY_MC_TIME_CON2, val);
+
+ val = T_CLK_POST(timing->clk_post);
+ regmap_write(samsung->regmap, DPHY_MC_TIME_CON3, val);
+
+ /* Escape Clock is 20.00MHz */
+ regmap_write(samsung->regmap, DPHY_MC_TIME_CON4, 0x1f4);
+
+ /*
+ * skew calibration should be off, if the operation data rate is
+ * under 1.5Gbps or equal to 1.5Gbps.
+ */
+ if (lane_hs_rate > 1500)
+ regmap_write(samsung->regmap, DPHY_MC_DESKEW_CON0, 0x9cb1);
+}
+
+static void
+samsung_mipi_dphy_data_lane_timing_init(struct samsung_mipi_dcphy *samsung)
+{
+ const struct samsung_mipi_dphy_timing *timing;
+ unsigned int lane_hs_rate = div64_ul(samsung->pll.rate, USEC_PER_SEC);
+ u32 val, res_up, res_down;
+
+ timing = samsung_mipi_dphy_get_timing(samsung);
+
+ /*
+ * The Drive-Strength / Voltage-Amplitude is adjusted by adjusting the
+ * Driver-Up Resistor and Driver-Down Resistor.
+ */
+ res_up = samsung->pdata->dphy_hs_drv_res_cfg->data_hs_drv_up_ohm;
+ res_down = samsung->pdata->dphy_hs_drv_res_cfg->data_hs_drv_down_ohm;
+ val = EDGE_CON(7) | EDGE_CON_DIR(0) | EDGE_CON_EN |
+ RES_UP(res_up) | RES_DN(res_down);
+ regmap_write(samsung->regmap, COMBO_MD0_ANA_CON0, val);
+ regmap_write(samsung->regmap, COMBO_MD1_ANA_CON0, val);
+ regmap_write(samsung->regmap, COMBO_MD2_ANA_CON0, val);
+ regmap_write(samsung->regmap, DPHY_MD3_ANA_CON0, val);
+
+ if (lane_hs_rate >= 4500) {
+ regmap_write(samsung->regmap, COMBO_MD0_ANA_CON1, 0x0001);
+ regmap_write(samsung->regmap, COMBO_MD1_ANA_CON1, 0x0001);
+ regmap_write(samsung->regmap, COMBO_MD2_ANA_CON1, 0x0001);
+ regmap_write(samsung->regmap, DPHY_MD3_ANA_CON1, 0x0001);
+ }
+
+ val = 0;
+ /*
+ * Divide-by-2 Clock from Serial Clock. Use this when data rate is under
+ * 1500Mbps, otherwise divide-by-16 Clock from Serial Clock
+ */
+ if (lane_hs_rate < 1500)
+ val = HSTX_CLK_SEL;
+
+ val |= T_LPX(timing->lpx);
+ /* T_LP_EXIT_SKEW/T_LP_ENTRY_SKEW unconfig */
+ regmap_write(samsung->regmap, COMBO_MD0_TIME_CON0, val);
+ regmap_write(samsung->regmap, COMBO_MD1_TIME_CON0, val);
+ regmap_write(samsung->regmap, COMBO_MD2_TIME_CON0, val);
+ regmap_write(samsung->regmap, DPHY_MD3_TIME_CON0, val);
+
+ val = T_HS_ZERO(timing->hs_zero) | T_HS_PREPARE(timing->hs_prepare);
+ regmap_write(samsung->regmap, COMBO_MD0_TIME_CON1, val);
+ regmap_write(samsung->regmap, COMBO_MD1_TIME_CON1, val);
+ regmap_write(samsung->regmap, COMBO_MD2_TIME_CON1, val);
+ regmap_write(samsung->regmap, DPHY_MD3_TIME_CON1, val);
+
+ val = T_HS_EXIT(timing->hs_exit) | T_HS_TRAIL(timing->hs_trail_eot);
+ regmap_write(samsung->regmap, COMBO_MD0_TIME_CON2, val);
+ regmap_write(samsung->regmap, COMBO_MD1_TIME_CON2, val);
+ regmap_write(samsung->regmap, COMBO_MD2_TIME_CON2, val);
+ regmap_write(samsung->regmap, DPHY_MD3_TIME_CON2, val);
+
+ /* TTA-GET/TTA-GO Timing Counter register use default value */
+ val = T_TA_GET(0x3) | T_TA_GO(0x0);
+ regmap_write(samsung->regmap, COMBO_MD0_TIME_CON3, val);
+ regmap_write(samsung->regmap, COMBO_MD1_TIME_CON3, val);
+ regmap_write(samsung->regmap, COMBO_MD2_TIME_CON3, val);
+ regmap_write(samsung->regmap, DPHY_MD3_TIME_CON3, val);
+
+ /* Escape Clock is 20.00MHz */
+ regmap_write(samsung->regmap, COMBO_MD0_TIME_CON4, 0x1f4);
+ regmap_write(samsung->regmap, COMBO_MD1_TIME_CON4, 0x1f4);
+ regmap_write(samsung->regmap, COMBO_MD2_TIME_CON4, 0x1f4);
+ regmap_write(samsung->regmap, DPHY_MD3_TIME_CON4, 0x1f4);
+}
+
+static int samsung_mipi_dphy_power_on(struct samsung_mipi_dcphy *samsung)
+{
+ int ret;
+
+ reset_control_assert(samsung->m_phy_rst);
+
+ samsung_mipi_dcphy_bias_block_enable(samsung);
+ samsung_mipi_dcphy_pll_configure(samsung);
+ samsung_mipi_dphy_clk_lane_timing_init(samsung);
+ samsung_mipi_dphy_data_lane_timing_init(samsung);
+ ret = samsung_mipi_dcphy_pll_enable(samsung);
+ if (ret < 0)
+ return ret;
+
+ samsung_mipi_dphy_lane_enable(samsung);
+
+ reset_control_deassert(samsung->m_phy_rst);
+
+ /* The TSKEWCAL maximum is 100 µsec
+ * at initial calibration.
+ */
+ usleep_range(100, 110);
+
+ return 0;
+}
+
+static int samsung_mipi_dcphy_power_on(struct phy *phy)
+{
+ struct samsung_mipi_dcphy *samsung = phy_get_drvdata(phy);
+
+ reset_control_assert(samsung->apb_rst);
+ udelay(1);
+ reset_control_deassert(samsung->apb_rst);
+
+ switch (samsung->type) {
+ case PHY_TYPE_DPHY:
+ return samsung_mipi_dphy_power_on(samsung);
+ default:
+ /* CPHY part to be implemented later */
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int samsung_mipi_dcphy_power_off(struct phy *phy)
+{
+ struct samsung_mipi_dcphy *samsung = phy_get_drvdata(phy);
+
+ switch (samsung->type) {
+ case PHY_TYPE_DPHY:
+ samsung_mipi_dphy_lane_disable(samsung);
+ break;
+ default:
+ /* CPHY part to be implemented later */
+ return -EOPNOTSUPP;
+ }
+
+ samsung_mipi_dcphy_pll_disable(samsung);
+
+ return 0;
+}
+
+static int
+samsung_mipi_dcphy_pll_ssc_modulation_calc(struct samsung_mipi_dcphy *samsung,
+ u8 *mfr, u8 *mrr)
+{
+ unsigned long fin = div64_ul(clk_get_rate(samsung->ref_clk), MSEC_PER_SEC);
+ u16 prediv = samsung->pll.prediv;
+ u16 fbdiv = samsung->pll.fbdiv;
+ u16 min_mfr, max_mfr;
+ u16 _mfr, best_mfr = 0;
+ u16 mr, _mrr, best_mrr = 0;
+
+ /* 20KHz ≤ MF ≤ 150KHz */
+ max_mfr = DIV_ROUND_UP(fin, (20 * prediv) << 5);
+ min_mfr = div64_ul(fin, ((150 * prediv) << 5));
+ /*0 ≤ mfr ≤ 255 */
+ if (max_mfr > 256)
+ max_mfr = 256;
+
+ for (_mfr = min_mfr; _mfr < max_mfr; _mfr++) {
+ /* 1 ≤ mrr ≤ 31 */
+ for (_mrr = 1; _mrr < 32; _mrr++) {
+ mr = DIV_ROUND_UP(_mfr * _mrr * 100, fbdiv << 6);
+ /* 0 ≤ MR ≤ 5% */
+ if (mr > 5)
+ continue;
+
+ if (_mfr * _mrr < 513) {
+ best_mfr = _mfr;
+ best_mrr = _mrr;
+ break;
+ }
+ }
+ }
+
+ if (best_mrr) {
+ *mfr = best_mfr & 0xff;
+ *mrr = best_mrr & 0x3f;
+ } else {
+ dev_err(samsung->dev, "failed to calc ssc parameter mfr and mrr\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void
+samsung_mipi_dcphy_pll_calc_rate(struct samsung_mipi_dcphy *samsung,
+ unsigned long long rate)
+{
+ unsigned long prate = clk_get_rate(samsung->ref_clk);
+ unsigned long fout;
+ u8 scaler = 0, mfr = 0, mrr = 0;
+ u16 fbdiv = 0;
+ u8 prediv = 1;
+ int dsm = 0;
+ int ret;
+
+ fout = samsung_mipi_dcphy_pll_round_rate(samsung, prate, rate,
+ &prediv, &fbdiv, &dsm,
+ &scaler);
+
+ dev_dbg(samsung->dev, "%s: fin=%lu, req_rate=%llu\n",
+ __func__, prate, rate);
+ dev_dbg(samsung->dev, "%s: fout=%lu, prediv=%u, fbdiv=%u\n",
+ __func__, fout, prediv, fbdiv);
+
+ samsung->pll.prediv = prediv;
+ samsung->pll.fbdiv = fbdiv;
+ samsung->pll.dsm = dsm;
+ samsung->pll.scaler = scaler;
+ samsung->pll.rate = fout;
+
+ /*
+ * All DPHY 2.0 compliant Transmitters shall support SSC operating above
+ * 2.5 Gbps
+ */
+ if (fout > 2500000000LL) {
+ ret = samsung_mipi_dcphy_pll_ssc_modulation_calc(samsung,
+ &mfr, &mrr);
+ if (!ret) {
+ samsung->pll.ssc_en = true;
+ samsung->pll.mfr = mfr;
+ samsung->pll.mrr = mrr;
+ }
+ }
+}
+
+static int samsung_mipi_dcphy_configure(struct phy *phy,
+ union phy_configure_opts *opts)
+{
+ struct samsung_mipi_dcphy *samsung = phy_get_drvdata(phy);
+ unsigned long long target_rate = opts->mipi_dphy.hs_clk_rate;
+
+ samsung->lanes = opts->mipi_dphy.lanes > 4 ? 4 : opts->mipi_dphy.lanes;
+
+ samsung_mipi_dcphy_pll_calc_rate(samsung, target_rate);
+ opts->mipi_dphy.hs_clk_rate = samsung->pll.rate;
+
+ return 0;
+}
+
+static int samsung_mipi_dcphy_init(struct phy *phy)
+{
+ struct samsung_mipi_dcphy *samsung = phy_get_drvdata(phy);
+
+ return pm_runtime_resume_and_get(samsung->dev);
+}
+
+static int samsung_mipi_dcphy_exit(struct phy *phy)
+{
+ struct samsung_mipi_dcphy *samsung = phy_get_drvdata(phy);
+
+ return pm_runtime_put(samsung->dev);
+}
+
+static const struct phy_ops samsung_mipi_dcphy_ops = {
+ .configure = samsung_mipi_dcphy_configure,
+ .power_on = samsung_mipi_dcphy_power_on,
+ .power_off = samsung_mipi_dcphy_power_off,
+ .init = samsung_mipi_dcphy_init,
+ .exit = samsung_mipi_dcphy_exit,
+ .owner = THIS_MODULE,
+};
+
+static const struct regmap_config samsung_mipi_dcphy_regmap_config = {
+ .name = "dcphy",
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .max_register = 0x10000,
+};
+
+static struct phy *samsung_mipi_dcphy_xlate(struct device *dev,
+ const struct of_phandle_args *args)
+{
+ struct samsung_mipi_dcphy *samsung = dev_get_drvdata(dev);
+
+ if (args->args_count != 1) {
+ dev_err(dev, "invalid number of arguments\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (samsung->type != PHY_NONE && samsung->type != args->args[0])
+ dev_warn(dev, "phy type select %d overwriting type %d\n",
+ args->args[0], samsung->type);
+
+ samsung->type = args->args[0];
+
+ return samsung->phy;
+}
+
+static int samsung_mipi_dcphy_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct samsung_mipi_dcphy *samsung;
+ struct phy_provider *phy_provider;
+ struct resource *res;
+ void __iomem *regs;
+ int ret;
+
+ samsung = devm_kzalloc(dev, sizeof(*samsung), GFP_KERNEL);
+ if (!samsung)
+ return -ENOMEM;
+
+ samsung->dev = dev;
+ samsung->pdata = device_get_match_data(dev);
+ platform_set_drvdata(pdev, samsung);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ regs = devm_ioremap_resource(dev, res);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
+
+ samsung->regmap = devm_regmap_init_mmio(dev, regs,
+ &samsung_mipi_dcphy_regmap_config);
+ if (IS_ERR(samsung->regmap))
+ return dev_err_probe(dev, PTR_ERR(samsung->regmap), "Failed to init regmap\n");
+
+ samsung->grf_regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
+ if (IS_ERR(samsung->grf_regmap))
+ return dev_err_probe(dev, PTR_ERR(samsung->grf_regmap),
+ "Unable to get rockchip,grf\n");
+
+ samsung->ref_clk = devm_clk_get(dev, "ref");
+ if (IS_ERR(samsung->ref_clk))
+ return dev_err_probe(dev, PTR_ERR(samsung->ref_clk),
+ "Failed to get reference clock\n");
+
+ samsung->pclk = devm_clk_get(dev, "pclk");
+ if (IS_ERR(samsung->pclk))
+ return dev_err_probe(dev, PTR_ERR(samsung->pclk), "Failed to get pclk\n");
+
+ samsung->m_phy_rst = devm_reset_control_get(dev, "m_phy");
+ if (IS_ERR(samsung->m_phy_rst))
+ return dev_err_probe(dev, PTR_ERR(samsung->m_phy_rst),
+ "Failed to get system m_phy_rst control\n");
+
+ samsung->s_phy_rst = devm_reset_control_get(dev, "s_phy");
+ if (IS_ERR(samsung->s_phy_rst))
+ return dev_err_probe(dev, PTR_ERR(samsung->s_phy_rst),
+ "Failed to get system s_phy_rst control\n");
+
+ samsung->apb_rst = devm_reset_control_get(dev, "apb");
+ if (IS_ERR(samsung->apb_rst))
+ return dev_err_probe(dev, PTR_ERR(samsung->apb_rst),
+ "Failed to get system apb_rst control\n");
+
+ samsung->grf_apb_rst = devm_reset_control_get(dev, "grf");
+ if (IS_ERR(samsung->grf_apb_rst))
+ return dev_err_probe(dev, PTR_ERR(samsung->grf_apb_rst),
+ "Failed to get system grf_apb_rst control\n");
+
+ samsung->phy = devm_phy_create(dev, NULL, &samsung_mipi_dcphy_ops);
+ if (IS_ERR(samsung->phy))
+ return dev_err_probe(dev, PTR_ERR(samsung->phy), "Failed to create MIPI DC-PHY\n");
+
+ phy_set_drvdata(samsung->phy, samsung);
+
+ ret = devm_pm_runtime_enable(dev);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to enable runtime PM\n");
+
+ phy_provider = devm_of_phy_provider_register(dev, samsung_mipi_dcphy_xlate);
+ if (IS_ERR(phy_provider))
+ return dev_err_probe(dev, PTR_ERR(phy_provider),
+ "Failed to register phy provider\n");
+
+ return 0;
+}
+
+static __maybe_unused int samsung_mipi_dcphy_runtime_suspend(struct device *dev)
+{
+ struct samsung_mipi_dcphy *samsung = dev_get_drvdata(dev);
+
+ clk_disable_unprepare(samsung->pclk);
+ clk_disable_unprepare(samsung->ref_clk);
+
+ return 0;
+}
+
+static __maybe_unused int samsung_mipi_dcphy_runtime_resume(struct device *dev)
+{
+ struct samsung_mipi_dcphy *samsung = dev_get_drvdata(dev);
+ int ret;
+
+ ret = clk_prepare_enable(samsung->pclk);
+ if (ret) {
+ dev_err(samsung->dev, "Failed to enable pclk, %d\n", ret);
+ return ret;
+ }
+
+ clk_prepare_enable(samsung->ref_clk);
+ if (ret) {
+ dev_err(samsung->dev, "Failed to enable reference clock, %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct dev_pm_ops samsung_mipi_dcphy_pm_ops = {
+ SET_RUNTIME_PM_OPS(samsung_mipi_dcphy_runtime_suspend,
+ samsung_mipi_dcphy_runtime_resume, NULL)
+};
+
+static const struct hs_drv_res_cfg rk3576_dphy_hs_drv_res_cfg = {
+ .clk_hs_drv_up_ohm = STRENGTH_52_OHM,
+ .clk_hs_drv_down_ohm = STRENGTH_52_OHM,
+ .data_hs_drv_up_ohm = STRENGTH_39_OHM,
+ .data_hs_drv_down_ohm = STRENGTH_39_OHM,
+};
+
+static const struct hs_drv_res_cfg rk3588_dphy_hs_drv_res_cfg = {
+ .clk_hs_drv_up_ohm = STRENGTH_34_OHM,
+ .clk_hs_drv_down_ohm = STRENGTH_34_OHM,
+ .data_hs_drv_up_ohm = STRENGTH_43_OHM,
+ .data_hs_drv_down_ohm = STRENGTH_43_OHM,
+};
+
+static const struct samsung_mipi_dcphy_plat_data rk3576_samsung_mipi_dcphy_plat_data = {
+ .dphy_hs_drv_res_cfg = &rk3576_dphy_hs_drv_res_cfg,
+ .dphy_tx_max_lane_kbps = 2500000L,
+};
+
+static const struct samsung_mipi_dcphy_plat_data rk3588_samsung_mipi_dcphy_plat_data = {
+ .dphy_hs_drv_res_cfg = &rk3588_dphy_hs_drv_res_cfg,
+ .dphy_tx_max_lane_kbps = 4500000L,
+};
+
+static const struct of_device_id samsung_mipi_dcphy_of_match[] = {
+ {
+ .compatible = "rockchip,rk3576-mipi-dcphy",
+ .data = &rk3576_samsung_mipi_dcphy_plat_data,
+ }, {
+ .compatible = "rockchip,rk3588-mipi-dcphy",
+ .data = &rk3588_samsung_mipi_dcphy_plat_data,
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, samsung_mipi_dcphy_of_match);
+
+static struct platform_driver samsung_mipi_dcphy_driver = {
+ .driver = {
+ .name = "samsung-mipi-dcphy",
+ .of_match_table = samsung_mipi_dcphy_of_match,
+ .pm = &samsung_mipi_dcphy_pm_ops,
+ },
+ .probe = samsung_mipi_dcphy_probe,
+};
+module_platform_driver(samsung_mipi_dcphy_driver);
+
+MODULE_AUTHOR("Guochun Huang <hero.huang at rock-chips.com>");
+MODULE_DESCRIPTION("Samsung MIPI DCPHY Driver");
+MODULE_LICENSE("GPL");
--
2.45.2
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