[PATCH 4/6] pinctrl: bcm: Add pinconf/pinmux controller driver for BCM2712
Andrea della Porta
andrea.porta at suse.com
Sat Apr 13 15:14:26 PDT 2024
Add a pincontrol driver for BCM2712. BCM2712 allows muxing GPIOs
and setting configuration on pads.
Originally-by: Jonathan Bell <jonathan at raspberrypi.com>
Originally-by: Phil Elwell <phil at raspberrypi.com>
Signed-off-by: Andrea della Porta <andrea.porta at suse.com>
---
drivers/pinctrl/bcm/Kconfig | 9 +
drivers/pinctrl/bcm/Makefile | 1 +
drivers/pinctrl/bcm/pinctrl-bcm2712.c | 1247 +++++++++++++++++++++++++
3 files changed, 1257 insertions(+)
create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm2712.c
diff --git a/drivers/pinctrl/bcm/Kconfig b/drivers/pinctrl/bcm/Kconfig
index 35b51ce4298e..62ede44460bc 100644
--- a/drivers/pinctrl/bcm/Kconfig
+++ b/drivers/pinctrl/bcm/Kconfig
@@ -3,6 +3,15 @@
# Broadcom pinctrl drivers
#
+config PINCTRL_BCM2712
+ bool "Broadcom BCM2712 PINCONF driver"
+ depends on OF && (ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST)
+ select PINMUX
+ select PINCONF
+ select GENERIC_PINCONF
+ help
+ Say Y here to enable the Broadcom BCM2712 PINCONF driver.
+
config PINCTRL_BCM281XX
bool "Broadcom BCM281xx pinctrl driver"
depends on OF && (ARCH_BCM_MOBILE || COMPILE_TEST)
diff --git a/drivers/pinctrl/bcm/Makefile b/drivers/pinctrl/bcm/Makefile
index 82b868ec1471..d298e4785829 100644
--- a/drivers/pinctrl/bcm/Makefile
+++ b/drivers/pinctrl/bcm/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
# Broadcom pinctrl support
+obj-$(CONFIG_PINCTRL_BCM2712) += pinctrl-bcm2712.o
obj-$(CONFIG_PINCTRL_BCM281XX) += pinctrl-bcm281xx.o
obj-$(CONFIG_PINCTRL_BCM2835) += pinctrl-bcm2835.o
obj-$(CONFIG_PINCTRL_BCM4908) += pinctrl-bcm4908.o
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2712.c b/drivers/pinctrl/bcm/pinctrl-bcm2712.c
new file mode 100644
index 000000000000..f9359e9eff14
--- /dev/null
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2712.c
@@ -0,0 +1,1247 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Driver for Broadcom BCM2712 GPIO units (pinctrl only)
+ *
+ * Copyright (C) 2021-3 Raspberry Pi Ltd.
+ * Copyright (C) 2012 Chris Boot, Simon Arlott, Stephen Warren
+ *
+ * Based heavily on the BCM2835 GPIO & pinctrl driver, which was inspired by:
+ * pinctrl-nomadik.c, please see original file for copyright information
+ * pinctrl-tegra.c, please see original file for copyright information
+ */
+
+#include <linux/bitmap.h>
+#include <linux/bug.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/of_address.h>
+#include <linux/of.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/pinctrl/machine.h>
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinmux.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#define MODULE_NAME "pinctrl-bcm2712"
+
+/* Register offsets */
+
+#define BCM2712_PULL_NONE 0
+#define BCM2712_PULL_DOWN 1
+#define BCM2712_PULL_UP 2
+#define BCM2712_PULL_MASK 0x3
+
+#define BCM2712_FSEL_COUNT 9
+#define BCM2712_FSEL_MASK 0xf
+
+#define FUNC(f) \
+ [func_##f] = #f
+#define PIN(i, f1, f2, f3, f4, f5, f6, f7, f8) \
+ [i] = { \
+ .funcs = { \
+ func_##f1, \
+ func_##f2, \
+ func_##f3, \
+ func_##f4, \
+ func_##f5, \
+ func_##f6, \
+ func_##f7, \
+ func_##f8, \
+ }, \
+ }
+
+#define MUX_BIT_VALID 0x8000
+#define REG_BIT_INVALID 0xffff
+
+#define BIT_TO_REG(b) (((b) >> 5) << 2)
+#define BIT_TO_SHIFT(b) ((b) & 0x1f)
+
+#define MUX_BIT(mr, mb) (MUX_BIT_VALID + ((mr)*4)*8 + (mb)*4)
+#define GPIO_REGS(n, mr, mb, pr, pb) \
+ [n] = { MUX_BIT(mr, mb), ((pr)*4)*8 + (pb)*2 }
+
+#define EMMC_REGS(n, pr, pb) \
+ [n] = { 0, ((pr)*4)*8 + (pb)*2 }
+
+#define AGPIO_REGS(n, mr, mb, pr, pb) \
+ [n] = { MUX_BIT(mr, mb), ((pr)*4)*8 + (pb)*2 }
+
+#define SGPIO_REGS(n, mr, mb) \
+ [n+32] = { MUX_BIT(mr, mb), REG_BIT_INVALID }
+
+#define GPIO_PIN(a) PINCTRL_PIN(a, "gpio" #a)
+#define AGPIO_PIN(a) PINCTRL_PIN(a, "aon_gpio" #a)
+#define SGPIO_PIN(a) PINCTRL_PIN(a+32, "aon_sgpio" #a)
+
+struct pin_regs {
+ u16 mux_bit;
+ u16 pad_bit;
+};
+
+struct bcm2712_pinctrl {
+ struct device *dev;
+ void __iomem *base;
+ struct pinctrl_dev *pctl_dev;
+ struct pinctrl_desc pctl_desc;
+ const struct pin_regs *pin_regs;
+ const struct bcm2712_pin_funcs *pin_funcs;
+ const char *const *gpio_groups;
+ struct pinctrl_gpio_range gpio_range;
+ spinlock_t lock;
+};
+
+struct bcm_plat_data {
+ const struct pinctrl_desc *pctl_desc;
+ const struct pinctrl_gpio_range *gpio_range;
+ const struct pin_regs *pin_regs;
+ const struct bcm2712_pin_funcs *pin_funcs;
+};
+
+struct bcm2712_pin_funcs {
+ u8 funcs[BCM2712_FSEL_COUNT - 1];
+};
+
+enum bcm2712_funcs {
+ func_gpio,
+ func_alt1,
+ func_alt2,
+ func_alt3,
+ func_alt4,
+ func_alt5,
+ func_alt6,
+ func_alt7,
+ func_alt8,
+ func_aon_cpu_standbyb,
+ func_aon_fp_4sec_resetb,
+ func_aon_gpclk,
+ func_aon_pwm,
+ func_arm_jtag,
+ func_aud_fs_clk0,
+ func_avs_pmu_bsc,
+ func_bsc_m0,
+ func_bsc_m1,
+ func_bsc_m2,
+ func_bsc_m3,
+ func_clk_observe,
+ func_ctl_hdmi_5v,
+ func_enet0,
+ func_enet0_mii,
+ func_enet0_rgmii,
+ func_ext_sc_clk,
+ func_fl0,
+ func_fl1,
+ func_gpclk0,
+ func_gpclk1,
+ func_gpclk2,
+ func_hdmi_tx0_auto_i2c,
+ func_hdmi_tx0_bsc,
+ func_hdmi_tx1_auto_i2c,
+ func_hdmi_tx1_bsc,
+ func_i2s_in,
+ func_i2s_out,
+ func_ir_in,
+ func_mtsif,
+ func_mtsif_alt,
+ func_mtsif_alt1,
+ func_pdm,
+ func_pkt,
+ func_pm_led_out,
+ func_sc0,
+ func_sd0,
+ func_sd2,
+ func_sd_card_a,
+ func_sd_card_b,
+ func_sd_card_c,
+ func_sd_card_d,
+ func_sd_card_e,
+ func_sd_card_f,
+ func_sd_card_g,
+ func_spdif_out,
+ func_spi_m,
+ func_spi_s,
+ func_sr_edm_sense,
+ func_te0,
+ func_te1,
+ func_tsio,
+ func_uart0,
+ func_uart1,
+ func_uart2,
+ func_usb_pwr,
+ func_usb_vbus,
+ func_uui,
+ func_vc_i2c0,
+ func_vc_i2c3,
+ func_vc_i2c4,
+ func_vc_i2c5,
+ func_vc_i2csl,
+ func_vc_pcm,
+ func_vc_pwm0,
+ func_vc_pwm1,
+ func_vc_spi0,
+ func_vc_spi3,
+ func_vc_spi4,
+ func_vc_spi5,
+ func_vc_uart0,
+ func_vc_uart2,
+ func_vc_uart3,
+ func_vc_uart4,
+ func__,
+ func_count = func__
+};
+
+static const struct pin_regs bcm2712_c0_gpio_pin_regs[] = {
+ GPIO_REGS(0, 0, 0, 7, 7),
+ GPIO_REGS(1, 0, 1, 7, 8),
+ GPIO_REGS(2, 0, 2, 7, 9),
+ GPIO_REGS(3, 0, 3, 7, 10),
+ GPIO_REGS(4, 0, 4, 7, 11),
+ GPIO_REGS(5, 0, 5, 7, 12),
+ GPIO_REGS(6, 0, 6, 7, 13),
+ GPIO_REGS(7, 0, 7, 7, 14),
+ GPIO_REGS(8, 1, 0, 8, 0),
+ GPIO_REGS(9, 1, 1, 8, 1),
+ GPIO_REGS(10, 1, 2, 8, 2),
+ GPIO_REGS(11, 1, 3, 8, 3),
+ GPIO_REGS(12, 1, 4, 8, 4),
+ GPIO_REGS(13, 1, 5, 8, 5),
+ GPIO_REGS(14, 1, 6, 8, 6),
+ GPIO_REGS(15, 1, 7, 8, 7),
+ GPIO_REGS(16, 2, 0, 8, 8),
+ GPIO_REGS(17, 2, 1, 8, 9),
+ GPIO_REGS(18, 2, 2, 8, 10),
+ GPIO_REGS(19, 2, 3, 8, 11),
+ GPIO_REGS(20, 2, 4, 8, 12),
+ GPIO_REGS(21, 2, 5, 8, 13),
+ GPIO_REGS(22, 2, 6, 8, 14),
+ GPIO_REGS(23, 2, 7, 9, 0),
+ GPIO_REGS(24, 3, 0, 9, 1),
+ GPIO_REGS(25, 3, 1, 9, 2),
+ GPIO_REGS(26, 3, 2, 9, 3),
+ GPIO_REGS(27, 3, 3, 9, 4),
+ GPIO_REGS(28, 3, 4, 9, 5),
+ GPIO_REGS(29, 3, 5, 9, 6),
+ GPIO_REGS(30, 3, 6, 9, 7),
+ GPIO_REGS(31, 3, 7, 9, 8),
+ GPIO_REGS(32, 4, 0, 9, 9),
+ GPIO_REGS(33, 4, 1, 9, 10),
+ GPIO_REGS(34, 4, 2, 9, 11),
+ GPIO_REGS(35, 4, 3, 9, 12),
+ GPIO_REGS(36, 4, 4, 9, 13),
+ GPIO_REGS(37, 4, 5, 9, 14),
+ GPIO_REGS(38, 4, 6, 10, 0),
+ GPIO_REGS(39, 4, 7, 10, 1),
+ GPIO_REGS(40, 5, 0, 10, 2),
+ GPIO_REGS(41, 5, 1, 10, 3),
+ GPIO_REGS(42, 5, 2, 10, 4),
+ GPIO_REGS(43, 5, 3, 10, 5),
+ GPIO_REGS(44, 5, 4, 10, 6),
+ GPIO_REGS(45, 5, 5, 10, 7),
+ GPIO_REGS(46, 5, 6, 10, 8),
+ GPIO_REGS(47, 5, 7, 10, 9),
+ GPIO_REGS(48, 6, 0, 10, 10),
+ GPIO_REGS(49, 6, 1, 10, 11),
+ GPIO_REGS(50, 6, 2, 10, 12),
+ GPIO_REGS(51, 6, 3, 10, 13),
+ GPIO_REGS(52, 6, 4, 10, 14),
+ GPIO_REGS(53, 6, 5, 11, 0),
+ EMMC_REGS(54, 11, 1), /* EMMC_CMD */
+ EMMC_REGS(55, 11, 2), /* EMMC_DS */
+ EMMC_REGS(56, 11, 3), /* EMMC_CLK */
+ EMMC_REGS(57, 11, 4), /* EMMC_DAT0 */
+ EMMC_REGS(58, 11, 5), /* EMMC_DAT1 */
+ EMMC_REGS(59, 11, 6), /* EMMC_DAT2 */
+ EMMC_REGS(60, 11, 7), /* EMMC_DAT3 */
+ EMMC_REGS(61, 11, 8), /* EMMC_DAT4 */
+ EMMC_REGS(62, 11, 9), /* EMMC_DAT5 */
+ EMMC_REGS(63, 11, 10), /* EMMC_DAT6 */
+ EMMC_REGS(64, 11, 11), /* EMMC_DAT7 */
+};
+
+static struct pin_regs bcm2712_c0_aon_gpio_pin_regs[] = {
+ AGPIO_REGS(0, 3, 0, 6, 10),
+ AGPIO_REGS(1, 3, 1, 6, 11),
+ AGPIO_REGS(2, 3, 2, 6, 12),
+ AGPIO_REGS(3, 3, 3, 6, 13),
+ AGPIO_REGS(4, 3, 4, 6, 14),
+ AGPIO_REGS(5, 3, 5, 7, 0),
+ AGPIO_REGS(6, 3, 6, 7, 1),
+ AGPIO_REGS(7, 3, 7, 7, 2),
+ AGPIO_REGS(8, 4, 0, 7, 3),
+ AGPIO_REGS(9, 4, 1, 7, 4),
+ AGPIO_REGS(10, 4, 2, 7, 5),
+ AGPIO_REGS(11, 4, 3, 7, 6),
+ AGPIO_REGS(12, 4, 4, 7, 7),
+ AGPIO_REGS(13, 4, 5, 7, 8),
+ AGPIO_REGS(14, 4, 6, 7, 9),
+ AGPIO_REGS(15, 4, 7, 7, 10),
+ AGPIO_REGS(16, 5, 0, 7, 11),
+ SGPIO_REGS(0, 0, 0),
+ SGPIO_REGS(1, 0, 1),
+ SGPIO_REGS(2, 0, 2),
+ SGPIO_REGS(3, 0, 3),
+ SGPIO_REGS(4, 1, 0),
+ SGPIO_REGS(5, 2, 0),
+};
+
+static const struct pinctrl_pin_desc bcm2712_c0_gpio_pins[] = {
+ GPIO_PIN(0),
+ GPIO_PIN(1),
+ GPIO_PIN(2),
+ GPIO_PIN(3),
+ GPIO_PIN(4),
+ GPIO_PIN(5),
+ GPIO_PIN(6),
+ GPIO_PIN(7),
+ GPIO_PIN(8),
+ GPIO_PIN(9),
+ GPIO_PIN(10),
+ GPIO_PIN(11),
+ GPIO_PIN(12),
+ GPIO_PIN(13),
+ GPIO_PIN(14),
+ GPIO_PIN(15),
+ GPIO_PIN(16),
+ GPIO_PIN(17),
+ GPIO_PIN(18),
+ GPIO_PIN(19),
+ GPIO_PIN(20),
+ GPIO_PIN(21),
+ GPIO_PIN(22),
+ GPIO_PIN(23),
+ GPIO_PIN(24),
+ GPIO_PIN(25),
+ GPIO_PIN(26),
+ GPIO_PIN(27),
+ GPIO_PIN(28),
+ GPIO_PIN(29),
+ GPIO_PIN(30),
+ GPIO_PIN(31),
+ GPIO_PIN(32),
+ GPIO_PIN(33),
+ GPIO_PIN(34),
+ GPIO_PIN(35),
+ GPIO_PIN(36),
+ GPIO_PIN(37),
+ GPIO_PIN(38),
+ GPIO_PIN(39),
+ GPIO_PIN(40),
+ GPIO_PIN(41),
+ GPIO_PIN(42),
+ GPIO_PIN(43),
+ GPIO_PIN(44),
+ GPIO_PIN(45),
+ GPIO_PIN(46),
+ GPIO_PIN(47),
+ GPIO_PIN(48),
+ GPIO_PIN(49),
+ GPIO_PIN(50),
+ GPIO_PIN(51),
+ GPIO_PIN(52),
+ GPIO_PIN(53),
+ PINCTRL_PIN(54, "emmc_cmd"),
+ PINCTRL_PIN(55, "emmc_ds"),
+ PINCTRL_PIN(56, "emmc_clk"),
+ PINCTRL_PIN(57, "emmc_dat0"),
+ PINCTRL_PIN(58, "emmc_dat1"),
+ PINCTRL_PIN(59, "emmc_dat2"),
+ PINCTRL_PIN(60, "emmc_dat3"),
+ PINCTRL_PIN(61, "emmc_dat4"),
+ PINCTRL_PIN(62, "emmc_dat5"),
+ PINCTRL_PIN(63, "emmc_dat6"),
+ PINCTRL_PIN(64, "emmc_dat7"),
+};
+
+static struct pinctrl_pin_desc bcm2712_c0_aon_gpio_pins[] = {
+ AGPIO_PIN(0),
+ AGPIO_PIN(1),
+ AGPIO_PIN(2),
+ AGPIO_PIN(3),
+ AGPIO_PIN(4),
+ AGPIO_PIN(5),
+ AGPIO_PIN(6),
+ AGPIO_PIN(7),
+ AGPIO_PIN(8),
+ AGPIO_PIN(9),
+ AGPIO_PIN(10),
+ AGPIO_PIN(11),
+ AGPIO_PIN(12),
+ AGPIO_PIN(13),
+ AGPIO_PIN(14),
+ AGPIO_PIN(15),
+ AGPIO_PIN(16),
+ SGPIO_PIN(0),
+ SGPIO_PIN(1),
+ SGPIO_PIN(2),
+ SGPIO_PIN(3),
+ SGPIO_PIN(4),
+ SGPIO_PIN(5),
+};
+
+static const struct pin_regs bcm2712_d0_gpio_pin_regs[] = {
+ GPIO_REGS(1, 0, 0, 4, 5),
+ GPIO_REGS(2, 0, 1, 4, 6),
+ GPIO_REGS(3, 0, 2, 4, 7),
+ GPIO_REGS(4, 0, 3, 4, 8),
+ GPIO_REGS(10, 0, 4, 4, 9),
+ GPIO_REGS(11, 0, 5, 4, 10),
+ GPIO_REGS(12, 0, 6, 4, 11),
+ GPIO_REGS(13, 0, 7, 4, 12),
+ GPIO_REGS(14, 1, 0, 4, 13),
+ GPIO_REGS(15, 1, 1, 4, 14),
+ GPIO_REGS(18, 1, 2, 5, 0),
+ GPIO_REGS(19, 1, 3, 5, 1),
+ GPIO_REGS(20, 1, 4, 5, 2),
+ GPIO_REGS(21, 1, 5, 5, 3),
+ GPIO_REGS(22, 1, 6, 5, 4),
+ GPIO_REGS(23, 1, 7, 5, 5),
+ GPIO_REGS(24, 2, 0, 5, 6),
+ GPIO_REGS(25, 2, 1, 5, 7),
+ GPIO_REGS(26, 2, 2, 5, 8),
+ GPIO_REGS(27, 2, 3, 5, 9),
+ GPIO_REGS(28, 2, 4, 5, 10),
+ GPIO_REGS(29, 2, 5, 5, 11),
+ GPIO_REGS(30, 2, 6, 5, 12),
+ GPIO_REGS(31, 2, 7, 5, 13),
+ GPIO_REGS(32, 3, 0, 5, 14),
+ GPIO_REGS(33, 3, 1, 6, 0),
+ GPIO_REGS(34, 3, 2, 6, 1),
+ GPIO_REGS(35, 3, 3, 6, 2),
+ EMMC_REGS(36, 6, 3), /* EMMC_CMD */
+ EMMC_REGS(37, 6, 4), /* EMMC_DS */
+ EMMC_REGS(38, 6, 5), /* EMMC_CLK */
+ EMMC_REGS(39, 6, 6), /* EMMC_DAT0 */
+ EMMC_REGS(40, 6, 7), /* EMMC_DAT1 */
+ EMMC_REGS(41, 6, 8), /* EMMC_DAT2 */
+ EMMC_REGS(42, 6, 9), /* EMMC_DAT3 */
+ EMMC_REGS(43, 6, 10), /* EMMC_DAT4 */
+ EMMC_REGS(44, 6, 11), /* EMMC_DAT5 */
+ EMMC_REGS(45, 6, 12), /* EMMC_DAT6 */
+ EMMC_REGS(46, 6, 13), /* EMMC_DAT7 */
+};
+
+static struct pin_regs bcm2712_d0_aon_gpio_pin_regs[] = {
+ AGPIO_REGS(0, 3, 0, 5, 9),
+ AGPIO_REGS(1, 3, 1, 5, 10),
+ AGPIO_REGS(2, 3, 2, 5, 11),
+ AGPIO_REGS(3, 3, 3, 5, 12),
+ AGPIO_REGS(4, 3, 4, 5, 13),
+ AGPIO_REGS(5, 3, 5, 5, 14),
+ AGPIO_REGS(6, 3, 6, 6, 0),
+ AGPIO_REGS(8, 3, 7, 6, 1),
+ AGPIO_REGS(9, 4, 0, 6, 2),
+ AGPIO_REGS(12, 4, 1, 6, 3),
+ AGPIO_REGS(13, 4, 2, 6, 4),
+ AGPIO_REGS(14, 4, 3, 6, 5),
+ SGPIO_REGS(0, 0, 0),
+ SGPIO_REGS(1, 0, 1),
+ SGPIO_REGS(2, 0, 2),
+ SGPIO_REGS(3, 0, 3),
+ SGPIO_REGS(4, 1, 0),
+ SGPIO_REGS(5, 2, 0),
+};
+
+static const struct pinctrl_pin_desc bcm2712_d0_gpio_pins[] = {
+ GPIO_PIN(1),
+ GPIO_PIN(2),
+ GPIO_PIN(3),
+ GPIO_PIN(4),
+ GPIO_PIN(10),
+ GPIO_PIN(11),
+ GPIO_PIN(12),
+ GPIO_PIN(13),
+ GPIO_PIN(14),
+ GPIO_PIN(15),
+ GPIO_PIN(18),
+ GPIO_PIN(19),
+ GPIO_PIN(20),
+ GPIO_PIN(21),
+ GPIO_PIN(22),
+ GPIO_PIN(23),
+ GPIO_PIN(24),
+ GPIO_PIN(25),
+ GPIO_PIN(26),
+ GPIO_PIN(27),
+ GPIO_PIN(28),
+ GPIO_PIN(29),
+ GPIO_PIN(30),
+ GPIO_PIN(31),
+ GPIO_PIN(32),
+ GPIO_PIN(33),
+ GPIO_PIN(34),
+ GPIO_PIN(35),
+ PINCTRL_PIN(36, "emmc_cmd"),
+ PINCTRL_PIN(37, "emmc_ds"),
+ PINCTRL_PIN(38, "emmc_clk"),
+ PINCTRL_PIN(39, "emmc_dat0"),
+ PINCTRL_PIN(40, "emmc_dat1"),
+ PINCTRL_PIN(41, "emmc_dat2"),
+ PINCTRL_PIN(42, "emmc_dat3"),
+ PINCTRL_PIN(43, "emmc_dat4"),
+ PINCTRL_PIN(44, "emmc_dat5"),
+ PINCTRL_PIN(45, "emmc_dat6"),
+ PINCTRL_PIN(46, "emmc_dat7"),
+};
+
+static struct pinctrl_pin_desc bcm2712_d0_aon_gpio_pins[] = {
+ AGPIO_PIN(0),
+ AGPIO_PIN(1),
+ AGPIO_PIN(2),
+ AGPIO_PIN(3),
+ AGPIO_PIN(4),
+ AGPIO_PIN(5),
+ AGPIO_PIN(6),
+ AGPIO_PIN(8),
+ AGPIO_PIN(9),
+ AGPIO_PIN(12),
+ AGPIO_PIN(13),
+ AGPIO_PIN(14),
+ SGPIO_PIN(0),
+ SGPIO_PIN(1),
+ SGPIO_PIN(2),
+ SGPIO_PIN(3),
+ SGPIO_PIN(4),
+ SGPIO_PIN(5),
+};
+
+static const char * const bcm2712_func_names[] = {
+ FUNC(gpio),
+ FUNC(alt1),
+ FUNC(alt2),
+ FUNC(alt3),
+ FUNC(alt4),
+ FUNC(alt5),
+ FUNC(alt6),
+ FUNC(alt7),
+ FUNC(alt8),
+ FUNC(aon_cpu_standbyb),
+ FUNC(aon_fp_4sec_resetb),
+ FUNC(aon_gpclk),
+ FUNC(aon_pwm),
+ FUNC(arm_jtag),
+ FUNC(aud_fs_clk0),
+ FUNC(avs_pmu_bsc),
+ FUNC(bsc_m0),
+ FUNC(bsc_m1),
+ FUNC(bsc_m2),
+ FUNC(bsc_m3),
+ FUNC(clk_observe),
+ FUNC(ctl_hdmi_5v),
+ FUNC(enet0),
+ FUNC(enet0_mii),
+ FUNC(enet0_rgmii),
+ FUNC(ext_sc_clk),
+ FUNC(fl0),
+ FUNC(fl1),
+ FUNC(gpclk0),
+ FUNC(gpclk1),
+ FUNC(gpclk2),
+ FUNC(hdmi_tx0_auto_i2c),
+ FUNC(hdmi_tx0_bsc),
+ FUNC(hdmi_tx1_auto_i2c),
+ FUNC(hdmi_tx1_bsc),
+ FUNC(i2s_in),
+ FUNC(i2s_out),
+ FUNC(ir_in),
+ FUNC(mtsif),
+ FUNC(mtsif_alt),
+ FUNC(mtsif_alt1),
+ FUNC(pdm),
+ FUNC(pkt),
+ FUNC(pm_led_out),
+ FUNC(sc0),
+ FUNC(sd0),
+ FUNC(sd2),
+ FUNC(sd_card_a),
+ FUNC(sd_card_b),
+ FUNC(sd_card_c),
+ FUNC(sd_card_d),
+ FUNC(sd_card_e),
+ FUNC(sd_card_f),
+ FUNC(sd_card_g),
+ FUNC(spdif_out),
+ FUNC(spi_m),
+ FUNC(spi_s),
+ FUNC(sr_edm_sense),
+ FUNC(te0),
+ FUNC(te1),
+ FUNC(tsio),
+ FUNC(uart0),
+ FUNC(uart1),
+ FUNC(uart2),
+ FUNC(usb_pwr),
+ FUNC(usb_vbus),
+ FUNC(uui),
+ FUNC(vc_i2c0),
+ FUNC(vc_i2c3),
+ FUNC(vc_i2c4),
+ FUNC(vc_i2c5),
+ FUNC(vc_i2csl),
+ FUNC(vc_pcm),
+ FUNC(vc_pwm0),
+ FUNC(vc_pwm1),
+ FUNC(vc_spi0),
+ FUNC(vc_spi3),
+ FUNC(vc_spi4),
+ FUNC(vc_spi5),
+ FUNC(vc_uart0),
+ FUNC(vc_uart2),
+ FUNC(vc_uart3),
+ FUNC(vc_uart4),
+};
+
+static const struct bcm2712_pin_funcs bcm2712_c0_aon_gpio_pin_funcs[] = {
+ PIN(0, ir_in, vc_spi0, vc_uart3, vc_i2c3, te0, vc_i2c0, _, _),
+ PIN(1, vc_pwm0, vc_spi0, vc_uart3, vc_i2c3, te1, aon_pwm, vc_i2c0, vc_pwm1),
+ PIN(2, vc_pwm0, vc_spi0, vc_uart3, ctl_hdmi_5v, fl0, aon_pwm, ir_in, vc_pwm1),
+ PIN(3, ir_in, vc_spi0, vc_uart3, aon_fp_4sec_resetb, fl1, sd_card_g, aon_gpclk, _),
+ PIN(4, gpclk0, vc_spi0, vc_i2csl, aon_gpclk, pm_led_out, aon_pwm, sd_card_g, vc_pwm0),
+ PIN(5, gpclk1, ir_in, vc_i2csl, clk_observe, aon_pwm, sd_card_g, vc_pwm0, _),
+ PIN(6, uart1, vc_uart4, gpclk2, ctl_hdmi_5v, vc_uart0, vc_spi3, _, _),
+ PIN(7, uart1, vc_uart4, gpclk0, aon_pwm, vc_uart0, vc_spi3, _, _),
+ PIN(8, uart1, vc_uart4, vc_i2csl, ctl_hdmi_5v, vc_uart0, vc_spi3, _, _),
+ PIN(9, uart1, vc_uart4, vc_i2csl, aon_pwm, vc_uart0, vc_spi3, _, _),
+ PIN(10, tsio, ctl_hdmi_5v, sc0, spdif_out, vc_spi5, usb_pwr, aon_gpclk, sd_card_f),
+ PIN(11, tsio, uart0, sc0, aud_fs_clk0, vc_spi5, usb_vbus, vc_uart2, sd_card_f),
+ PIN(12, tsio, uart0, vc_uart0, tsio, vc_spi5, usb_pwr, vc_uart2, sd_card_f),
+ PIN(13, bsc_m1, uart0, vc_uart0, uui, vc_spi5, arm_jtag, vc_uart2, vc_i2c3),
+ PIN(14, bsc_m1, uart0, vc_uart0, uui, vc_spi5, arm_jtag, vc_uart2, vc_i2c3),
+ PIN(15, ir_in, aon_fp_4sec_resetb, vc_uart0, pm_led_out, ctl_hdmi_5v, aon_pwm, aon_gpclk, _),
+ PIN(16, aon_cpu_standbyb, gpclk0, pm_led_out, ctl_hdmi_5v, vc_pwm0, usb_pwr, aud_fs_clk0, _),
+};
+
+static const struct bcm2712_pin_funcs bcm2712_c0_aon_sgpio_pin_funcs[] = {
+ PIN(0, hdmi_tx0_bsc, hdmi_tx0_auto_i2c, bsc_m0, vc_i2c0, _, _, _, _),
+ PIN(1, hdmi_tx0_bsc, hdmi_tx0_auto_i2c, bsc_m0, vc_i2c0, _, _, _, _),
+ PIN(2, hdmi_tx1_bsc, hdmi_tx1_auto_i2c, bsc_m1, vc_i2c4, ctl_hdmi_5v, _, _, _),
+ PIN(3, hdmi_tx1_bsc, hdmi_tx1_auto_i2c, bsc_m1, vc_i2c4, _, _, _, _),
+ PIN(4, avs_pmu_bsc, bsc_m2, vc_i2c5, ctl_hdmi_5v, _, _, _, _),
+ PIN(5, avs_pmu_bsc, bsc_m2, vc_i2c5, _, _, _, _, _),
+};
+
+static const struct bcm2712_pin_funcs bcm2712_c0_gpio_pin_funcs[] = {
+ PIN(0, bsc_m3, vc_i2c0, gpclk0, enet0, vc_pwm1, vc_spi0, ir_in, _),
+ PIN(1, bsc_m3, vc_i2c0, gpclk1, enet0, vc_pwm1, sr_edm_sense, vc_spi0, vc_uart3),
+ PIN(2, pdm, i2s_in, gpclk2, vc_spi4, pkt, vc_spi0, vc_uart3, _),
+ PIN(3, pdm, i2s_in, vc_spi4, pkt, vc_spi0, vc_uart3, _, _),
+ PIN(4, pdm, i2s_in, arm_jtag, vc_spi4, pkt, vc_spi0, vc_uart3, _),
+ PIN(5, pdm, vc_i2c3, arm_jtag, sd_card_e, vc_spi4, pkt, vc_pcm, vc_i2c5),
+ PIN(6, pdm, vc_i2c3, arm_jtag, sd_card_e, vc_spi4, pkt, vc_pcm, vc_i2c5),
+ PIN(7, i2s_out, spdif_out, arm_jtag, sd_card_e, vc_i2c3, enet0_rgmii, vc_pcm, vc_spi4),
+ PIN(8, i2s_out, aud_fs_clk0, arm_jtag, sd_card_e, vc_i2c3, enet0_mii, vc_pcm, vc_spi4),
+ PIN(9, i2s_out, aud_fs_clk0, arm_jtag, sd_card_e, enet0_mii, sd_card_c, vc_spi4, _),
+ PIN(10, bsc_m3, mtsif_alt1, i2s_in, i2s_out, vc_spi5, enet0_mii, sd_card_c, vc_spi4),
+ PIN(11, bsc_m3, mtsif_alt1, i2s_in, i2s_out, vc_spi5, enet0_mii, sd_card_c, vc_spi4),
+ PIN(12, spi_s, mtsif_alt1, i2s_in, i2s_out, vc_spi5, vc_i2csl, sd0, sd_card_d),
+ PIN(13, spi_s, mtsif_alt1, i2s_out, usb_vbus, vc_spi5, vc_i2csl, sd0, sd_card_d),
+ PIN(14, spi_s, vc_i2csl, enet0_rgmii, arm_jtag, vc_spi5, vc_pwm0, vc_i2c4, sd_card_d),
+ PIN(15, spi_s, vc_i2csl, vc_spi3, arm_jtag, vc_pwm0, vc_i2c4, gpclk0, _),
+ PIN(16, sd_card_b, i2s_out, vc_spi3, i2s_in, sd0, enet0_rgmii, gpclk1, _),
+ PIN(17, sd_card_b, i2s_out, vc_spi3, i2s_in, ext_sc_clk, sd0, enet0_rgmii, gpclk2),
+ PIN(18, sd_card_b, i2s_out, vc_spi3, i2s_in, sd0, enet0_rgmii, vc_pwm1, _),
+ PIN(19, sd_card_b, usb_pwr, vc_spi3, pkt, spdif_out, sd0, ir_in, vc_pwm1),
+ PIN(20, sd_card_b, uui, vc_uart0, arm_jtag, uart2, usb_pwr, vc_pcm, vc_uart4),
+ PIN(21, usb_pwr, uui, vc_uart0, arm_jtag, uart2, sd_card_b, vc_pcm, vc_uart4),
+ PIN(22, usb_pwr, enet0, vc_uart0, mtsif, uart2, usb_vbus, vc_pcm, vc_i2c5),
+ PIN(23, usb_vbus, enet0, vc_uart0, mtsif, uart2, i2s_out, vc_pcm, vc_i2c5),
+ PIN(24, mtsif, pkt, uart0, enet0_rgmii, enet0_rgmii, vc_i2c4, vc_uart3, _),
+ PIN(25, mtsif, pkt, sc0, uart0, enet0_rgmii, enet0_rgmii, vc_i2c4, vc_uart3),
+ PIN(26, mtsif, pkt, sc0, uart0, enet0_rgmii, vc_uart4, vc_spi5, _),
+ PIN(27, mtsif, pkt, sc0, uart0, enet0_rgmii, vc_uart4, vc_spi5, _),
+ PIN(28, mtsif, pkt, sc0, enet0_rgmii, vc_uart4, vc_spi5, _, _),
+ PIN(29, mtsif, pkt, sc0, enet0_rgmii, vc_uart4, vc_spi5, _, _),
+ PIN(30, mtsif, pkt, sc0, sd2, enet0_rgmii, gpclk0, vc_pwm0, _),
+ PIN(31, mtsif, pkt, sc0, sd2, enet0_rgmii, vc_spi3, vc_pwm0, _),
+ PIN(32, mtsif, pkt, sc0, sd2, enet0_rgmii, vc_spi3, vc_uart3, _),
+ PIN(33, mtsif, pkt, sd2, enet0_rgmii, vc_spi3, vc_uart3, _, _),
+ PIN(34, mtsif, pkt, ext_sc_clk, sd2, enet0_rgmii, vc_spi3, vc_i2c5, _),
+ PIN(35, mtsif, pkt, sd2, enet0_rgmii, vc_spi3, vc_i2c5, _, _),
+ PIN(36, sd0, mtsif, sc0, i2s_in, vc_uart3, vc_uart2, _, _),
+ PIN(37, sd0, mtsif, sc0, vc_spi0, i2s_in, vc_uart3, vc_uart2, _),
+ PIN(38, sd0, mtsif_alt, sc0, vc_spi0, i2s_in, vc_uart3, vc_uart2, _),
+ PIN(39, sd0, mtsif_alt, sc0, vc_spi0, vc_uart3, vc_uart2, _, _),
+ PIN(40, sd0, mtsif_alt, sc0, vc_spi0, bsc_m3, _, _, _),
+ PIN(41, sd0, mtsif_alt, sc0, vc_spi0, bsc_m3, _, _, _),
+ PIN(42, vc_spi0, mtsif_alt, vc_i2c0, sd_card_a, mtsif_alt1, arm_jtag, pdm, spi_m),
+ PIN(43, vc_spi0, mtsif_alt, vc_i2c0, sd_card_a, mtsif_alt1, arm_jtag, pdm, spi_m),
+ PIN(44, vc_spi0, mtsif_alt, enet0, sd_card_a, mtsif_alt1, arm_jtag, pdm, spi_m),
+ PIN(45, vc_spi0, mtsif_alt, enet0, sd_card_a, mtsif_alt1, arm_jtag, pdm, spi_m),
+ PIN(46, vc_spi0, mtsif_alt, sd_card_a, mtsif_alt1, arm_jtag, pdm, spi_m, _),
+ PIN(47, enet0, mtsif_alt, i2s_out, mtsif_alt1, arm_jtag, _, _, _),
+ PIN(48, sc0, usb_pwr, spdif_out, mtsif, _, _, _, _),
+ PIN(49, sc0, usb_pwr, aud_fs_clk0, mtsif, _, _, _, _),
+ PIN(50, sc0, usb_vbus, sc0, _, _, _, _, _),
+ PIN(51, sc0, enet0, sc0, sr_edm_sense, _, _, _, _),
+ PIN(52, sc0, enet0, vc_pwm1, _, _, _, _, _),
+ PIN(53, sc0, enet0_rgmii, ext_sc_clk, _, _, _, _, _),
+};
+
+static const struct bcm2712_pin_funcs bcm2712_d0_aon_gpio_pin_funcs[] = {
+ PIN(0, ir_in, vc_spi0, vc_uart0, vc_i2c3, uart0, vc_i2c0, _, _),
+ PIN(1, vc_pwm0, vc_spi0, vc_uart0, vc_i2c3, uart0, aon_pwm, vc_i2c0, vc_pwm1),
+ PIN(2, vc_pwm0, vc_spi0, vc_uart0, ctl_hdmi_5v, uart0, aon_pwm, ir_in, vc_pwm1),
+ PIN(3, ir_in, vc_spi0, vc_uart0, uart0, sd_card_g, aon_gpclk, _, _),
+ PIN(4, gpclk0, vc_spi0, pm_led_out, aon_pwm, sd_card_g, vc_pwm0, _, _),
+ PIN(5, gpclk1, ir_in, aon_pwm, sd_card_g, vc_pwm0, _, _, _),
+ PIN(6, uart1, vc_uart2, ctl_hdmi_5v, gpclk2, vc_spi3, _, _, _),
+ PIN(7, _, _, _, _, _, _, _, _),
+ PIN(8, uart1, vc_uart2, ctl_hdmi_5v, vc_spi0, vc_spi3, _, _, _),
+ PIN(9, uart1, vc_uart2, vc_uart0, aon_pwm, vc_spi0, vc_uart2, vc_spi3, _),
+ PIN(10, _, _, _, _, _, _, _, _),
+ PIN(11, _, _, _, _, _, _, _, _),
+ PIN(12, uart1, vc_uart2, vc_uart0, vc_spi0, usb_pwr, vc_uart2, vc_spi3, _),
+ PIN(13, bsc_m1, vc_uart0, uui, vc_spi0, arm_jtag, vc_uart2, vc_i2c3, _),
+ PIN(14, bsc_m1, aon_gpclk, vc_uart0, uui, vc_spi0, arm_jtag, vc_uart2, vc_i2c3),
+};
+
+static const struct bcm2712_pin_funcs bcm2712_d0_aon_sgpio_pin_funcs[] = {
+ PIN(0, hdmi_tx0_bsc, hdmi_tx0_auto_i2c, bsc_m0, vc_i2c0, _, _, _, _),
+ PIN(1, hdmi_tx0_bsc, hdmi_tx0_auto_i2c, bsc_m0, vc_i2c0, _, _, _, _),
+ PIN(2, hdmi_tx1_bsc, hdmi_tx1_auto_i2c, bsc_m1, vc_i2c0, ctl_hdmi_5v, _, _, _),
+ PIN(3, hdmi_tx1_bsc, hdmi_tx1_auto_i2c, bsc_m1, vc_i2c0, _, _, _, _),
+ PIN(4, avs_pmu_bsc, bsc_m2, vc_i2c3, ctl_hdmi_5v, _, _, _, _),
+ PIN(5, avs_pmu_bsc, bsc_m2, vc_i2c3, _, _, _, _, _),
+};
+
+static const struct bcm2712_pin_funcs bcm2712_d0_gpio_pin_funcs[] = {
+ PIN(1, vc_i2c0, usb_pwr, gpclk0, sd_card_e, vc_spi3, sr_edm_sense, vc_spi0, vc_uart0),
+ PIN(2, vc_i2c0, usb_pwr, gpclk1, sd_card_e, vc_spi3, clk_observe, vc_spi0, vc_uart0),
+ PIN(3, vc_i2c3, usb_vbus, gpclk2, sd_card_e, vc_spi3, vc_spi0, vc_uart0, _),
+ PIN(4, vc_i2c3, vc_pwm1, vc_spi3, sd_card_e, vc_spi3, vc_spi0, vc_uart0, _),
+ PIN(10, bsc_m3, vc_pwm1, vc_spi3, sd_card_e, vc_spi3, gpclk0, _, _),
+ PIN(11, bsc_m3, vc_spi3, clk_observe, sd_card_c, gpclk1, _, _, _),
+ PIN(12, spi_s, vc_spi3, sd_card_c, sd_card_d, _, _, _, _),
+ PIN(13, spi_s, vc_spi3, sd_card_c, sd_card_d, _, _, _, _),
+ PIN(14, spi_s, uui, arm_jtag, vc_pwm0, vc_i2c0, sd_card_d, _, _),
+ PIN(15, spi_s, uui, arm_jtag, vc_pwm0, vc_i2c0, gpclk0, _, _),
+ PIN(18, sd_card_f, vc_pwm1, _, _, _, _, _, _),
+ PIN(19, sd_card_f, usb_pwr, vc_pwm1, _, _, _, _, _),
+ PIN(20, vc_i2c3, uui, vc_uart0, arm_jtag, vc_uart2, _, _, _),
+ PIN(21, vc_i2c3, uui, vc_uart0, arm_jtag, vc_uart2, _, _, _),
+ PIN(22, sd_card_f, vc_uart0, vc_i2c3, _, _, _, _, _),
+ PIN(23, vc_uart0, vc_i2c3, _, _, _, _, _, _),
+ PIN(24, sd_card_b, vc_spi0, arm_jtag, uart0, usb_pwr, vc_uart2, vc_uart0, _),
+ PIN(25, sd_card_b, vc_spi0, arm_jtag, uart0, usb_pwr, vc_uart2, vc_uart0, _),
+ PIN(26, sd_card_b, vc_spi0, arm_jtag, uart0, usb_vbus, vc_uart2, vc_spi0, _),
+ PIN(27, sd_card_b, vc_spi0, arm_jtag, uart0, vc_uart2, vc_spi0, _, _),
+ PIN(28, sd_card_b, vc_spi0, arm_jtag, vc_i2c0, vc_spi0, _, _, _),
+ PIN(29, arm_jtag, vc_i2c0, vc_spi0, _, _, _, _, _),
+ PIN(30, sd2, gpclk0, vc_pwm0, _, _, _, _, _),
+ PIN(31, sd2, vc_spi3, vc_pwm0, _, _, _, _, _),
+ PIN(32, sd2, vc_spi3, vc_uart3, _, _, _, _, _),
+ PIN(33, sd2, vc_spi3, vc_uart3, _, _, _, _, _),
+ PIN(34, sd2, vc_spi3, vc_i2c5, _, _, _, _, _),
+ PIN(35, sd2, vc_spi3, vc_i2c5, _, _, _, _, _),
+};
+
+static inline u32 bcm2712_reg_rd(struct bcm2712_pinctrl *pc, unsigned reg)
+{
+ return readl(pc->base + reg);
+}
+
+static inline void bcm2712_reg_wr(struct bcm2712_pinctrl *pc, unsigned reg,
+ u32 val)
+{
+ writel(val, pc->base + reg);
+}
+
+static enum bcm2712_funcs bcm2712_pinctrl_fsel_get(
+ struct bcm2712_pinctrl *pc, unsigned pin)
+{
+ u32 bit = pc->pin_regs[pin].mux_bit;
+ enum bcm2712_funcs func;
+ int fsel;
+ u32 val;
+
+ if (!bit)
+ return func_gpio;
+ bit &= ~MUX_BIT_VALID;
+
+ val = bcm2712_reg_rd(pc, BIT_TO_REG(bit));
+ fsel = (val >> BIT_TO_SHIFT(bit)) & BCM2712_FSEL_MASK;
+ func = pc->pin_funcs[pin].funcs[fsel];
+ if (func >= func_count)
+ func = (enum bcm2712_funcs)fsel;
+
+ dev_dbg(pc->dev, "get %04x: %08x (%u => %s)\n",
+ BIT_TO_REG(bit), val, pin,
+ bcm2712_func_names[func]);
+
+ return func;
+}
+
+static void bcm2712_pinctrl_fsel_set(
+ struct bcm2712_pinctrl *pc, unsigned pin,
+ enum bcm2712_funcs func)
+{
+ u32 bit = pc->pin_regs[pin].mux_bit, val;
+ const u8 *pin_funcs;
+ unsigned long flags;
+ int fsel;
+ int cur;
+ int i;
+
+ if (!bit || func >= func_count)
+ return;
+ bit &= ~MUX_BIT_VALID;
+
+ fsel = BCM2712_FSEL_COUNT;
+
+ if (func >= BCM2712_FSEL_COUNT) {
+ /* Convert to an fsel number */
+ pin_funcs = pc->pin_funcs[pin].funcs;
+ for (i = 1; i < BCM2712_FSEL_COUNT; i++) {
+ if (pin_funcs[i - 1] == func) {
+ fsel = i;
+ break;
+ }
+ }
+ } else {
+ fsel = (enum bcm2712_funcs)func;
+ }
+ if (fsel >= BCM2712_FSEL_COUNT)
+ return;
+
+ spin_lock_irqsave(&pc->lock, flags);
+
+ val = bcm2712_reg_rd(pc, BIT_TO_REG(bit));
+ cur = (val >> BIT_TO_SHIFT(bit)) & BCM2712_FSEL_MASK;
+
+ dev_dbg(pc->dev, "read %04x: %08x (%u => %s)\n",
+ BIT_TO_REG(bit), val, pin,
+ bcm2712_func_names[cur]);
+
+ if (cur != fsel) {
+ val &= ~(BCM2712_FSEL_MASK << BIT_TO_SHIFT(bit));
+ val |= fsel << BIT_TO_SHIFT(bit);
+
+ dev_dbg(pc->dev, "write %04x: %08x (%u <= %s)\n",
+ BIT_TO_REG(bit), val, pin,
+ bcm2712_func_names[fsel]);
+ bcm2712_reg_wr(pc, BIT_TO_REG(bit), val);
+ }
+
+ spin_unlock_irqrestore(&pc->lock, flags);
+}
+
+static int bcm2712_pctl_get_groups_count(struct pinctrl_dev *pctldev)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+
+ return pc->pctl_desc.npins;
+}
+
+static const char *bcm2712_pctl_get_group_name(struct pinctrl_dev *pctldev,
+ unsigned selector)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+
+ return pc->gpio_groups[selector];
+}
+
+static int bcm2712_pctl_get_group_pins(struct pinctrl_dev *pctldev,
+ unsigned selector,
+ const unsigned **pins,
+ unsigned *num_pins)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+
+ *pins = &pc->pctl_desc.pins[selector].number;
+ *num_pins = 1;
+
+ return 0;
+}
+
+static void bcm2712_pctl_pin_dbg_show(struct pinctrl_dev *pctldev,
+ struct seq_file *s,
+ unsigned offset)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+ enum bcm2712_funcs fsel = bcm2712_pinctrl_fsel_get(pc, offset);
+ const char *fname = bcm2712_func_names[fsel];
+
+ seq_printf(s, "function %s", fname);
+}
+
+static void bcm2712_pctl_dt_free_map(struct pinctrl_dev *pctldev,
+ struct pinctrl_map *maps, unsigned num_maps)
+{
+ int i;
+
+ for (i = 0; i < num_maps; i++)
+ if (maps[i].type == PIN_MAP_TYPE_CONFIGS_PIN)
+ kfree(maps[i].data.configs.configs);
+
+ kfree(maps);
+}
+
+static const struct pinctrl_ops bcm2712_pctl_ops = {
+ .get_groups_count = bcm2712_pctl_get_groups_count,
+ .get_group_name = bcm2712_pctl_get_group_name,
+ .get_group_pins = bcm2712_pctl_get_group_pins,
+ .pin_dbg_show = bcm2712_pctl_pin_dbg_show,
+ .dt_node_to_map = pinconf_generic_dt_node_to_map_all,
+ .dt_free_map = bcm2712_pctl_dt_free_map,
+};
+
+static int bcm2712_pmx_free(struct pinctrl_dev *pctldev,
+ unsigned offset)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+
+ /* disable by setting to GPIO */
+ bcm2712_pinctrl_fsel_set(pc, offset, func_gpio);
+ return 0;
+}
+
+static int bcm2712_pmx_get_functions_count(struct pinctrl_dev *pctldev)
+{
+ return func_count;
+}
+
+static const char *bcm2712_pmx_get_function_name(struct pinctrl_dev *pctldev,
+ unsigned selector)
+{
+ return (selector < func_count) ? bcm2712_func_names[selector] : NULL;
+}
+
+static int bcm2712_pmx_get_function_groups(struct pinctrl_dev *pctldev,
+ unsigned selector,
+ const char * const **groups,
+ unsigned * const num_groups)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+ /* every pin can do every function */
+ *groups = pc->gpio_groups;
+ *num_groups = pc->pctl_desc.npins;
+
+ return 0;
+}
+
+static int bcm2712_pmx_set(struct pinctrl_dev *pctldev,
+ unsigned func_selector,
+ unsigned group_selector)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+ const struct pinctrl_desc *pctldesc = &pc->pctl_desc;
+ const struct pinctrl_pin_desc *pindesc;
+
+ if (group_selector >= pctldesc->npins)
+ return -EINVAL;
+ pindesc = &pctldesc->pins[group_selector];
+ bcm2712_pinctrl_fsel_set(pc, pindesc->number, func_selector);
+
+ return 0;
+}
+static int bcm2712_pmx_gpio_request_enable(struct pinctrl_dev *pctldev,
+ struct pinctrl_gpio_range *range,
+ unsigned pin)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+
+ bcm2712_pinctrl_fsel_set(pc, pin, func_gpio);
+
+ return 0;
+}
+
+static void bcm2712_pmx_gpio_disable_free(struct pinctrl_dev *pctldev,
+ struct pinctrl_gpio_range *range,
+ unsigned offset)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+
+ /* disable by setting to GPIO */
+ bcm2712_pinctrl_fsel_set(pc, offset, func_gpio);
+}
+
+static const struct pinmux_ops bcm2712_pmx_ops = {
+ .free = bcm2712_pmx_free,
+ .get_functions_count = bcm2712_pmx_get_functions_count,
+ .get_function_name = bcm2712_pmx_get_function_name,
+ .get_function_groups = bcm2712_pmx_get_function_groups,
+ .set_mux = bcm2712_pmx_set,
+ .gpio_request_enable = bcm2712_pmx_gpio_request_enable,
+ .gpio_disable_free = bcm2712_pmx_gpio_disable_free,
+};
+
+static unsigned int bcm2712_pull_config_get(struct bcm2712_pinctrl *pc,
+ unsigned int pin)
+{
+ u32 bit = pc->pin_regs[pin].pad_bit, val;
+
+ if (unlikely(bit == REG_BIT_INVALID))
+ return BCM2712_PULL_NONE;
+
+ val = bcm2712_reg_rd(pc, BIT_TO_REG(bit));
+ return (val >> BIT_TO_SHIFT(bit)) & BCM2712_PULL_MASK;
+}
+
+static void bcm2712_pull_config_set(struct bcm2712_pinctrl *pc,
+ unsigned int pin, unsigned int arg)
+{
+ u32 bit = pc->pin_regs[pin].pad_bit, val;
+ unsigned long flags;
+
+ if (unlikely(bit == REG_BIT_INVALID)) {
+ dev_warn(pc->dev, "can't set pulls for %s\n", pc->gpio_groups[pin]);
+ return;
+ }
+
+ spin_lock_irqsave(&pc->lock, flags);
+
+ val = bcm2712_reg_rd(pc, BIT_TO_REG(bit));
+ val &= ~(BCM2712_PULL_MASK << BIT_TO_SHIFT(bit));
+ val |= (arg << BIT_TO_SHIFT(bit));
+ bcm2712_reg_wr(pc, BIT_TO_REG(bit), val);
+
+ spin_unlock_irqrestore(&pc->lock, flags);
+}
+
+static int bcm2712_pinconf_get(struct pinctrl_dev *pctldev,
+ unsigned pin, unsigned long *config)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+ enum pin_config_param param = pinconf_to_config_param(*config);
+ u32 arg;
+
+ switch (param) {
+ case PIN_CONFIG_BIAS_DISABLE:
+ arg = (bcm2712_pull_config_get(pc, pin) == BCM2712_PULL_NONE);
+ break;
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ arg = (bcm2712_pull_config_get(pc, pin) == BCM2712_PULL_DOWN);
+ break;
+ case PIN_CONFIG_BIAS_PULL_UP:
+ arg = (bcm2712_pull_config_get(pc, pin) == BCM2712_PULL_UP);
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+
+ *config = pinconf_to_config_packed(param, arg);
+
+ return -ENOTSUPP;
+}
+
+static int bcm2712_pinconf_set(struct pinctrl_dev *pctldev,
+ unsigned int pin, unsigned long *configs,
+ unsigned int num_configs)
+{
+ struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
+ u32 param, arg;
+ int i;
+
+ for (i = 0; i < num_configs; i++) {
+ param = pinconf_to_config_param(configs[i]);
+ arg = pinconf_to_config_argument(configs[i]);
+
+ switch (param) {
+ case PIN_CONFIG_BIAS_DISABLE:
+ bcm2712_pull_config_set(pc, pin, BCM2712_PULL_NONE);
+ break;
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ bcm2712_pull_config_set(pc, pin, BCM2712_PULL_DOWN);
+ break;
+ case PIN_CONFIG_BIAS_PULL_UP:
+ bcm2712_pull_config_set(pc, pin, BCM2712_PULL_UP);
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+ } /* for each config */
+
+ return 0;
+}
+
+static const struct pinconf_ops bcm2712_pinconf_ops = {
+ .is_generic = true,
+ .pin_config_get = bcm2712_pinconf_get,
+ .pin_config_set = bcm2712_pinconf_set,
+};
+
+static const struct pinctrl_desc bcm2712_c0_pinctrl_desc = {
+ .name = "pinctrl-bcm2712",
+ .pins = bcm2712_c0_gpio_pins,
+ .npins = ARRAY_SIZE(bcm2712_c0_gpio_pins),
+ .pctlops = &bcm2712_pctl_ops,
+ .pmxops = &bcm2712_pmx_ops,
+ .confops = &bcm2712_pinconf_ops,
+ .owner = THIS_MODULE,
+};
+
+static const struct pinctrl_desc bcm2712_c0_aon_pinctrl_desc = {
+ .name = "aon-pinctrl-bcm2712",
+ .pins = bcm2712_c0_aon_gpio_pins,
+ .npins = ARRAY_SIZE(bcm2712_c0_aon_gpio_pins),
+ .pctlops = &bcm2712_pctl_ops,
+ .pmxops = &bcm2712_pmx_ops,
+ .confops = &bcm2712_pinconf_ops,
+ .owner = THIS_MODULE,
+};
+
+static const struct pinctrl_desc bcm2712_d0_pinctrl_desc = {
+ .name = "pinctrl-bcm2712",
+ .pins = bcm2712_d0_gpio_pins,
+ .npins = ARRAY_SIZE(bcm2712_d0_gpio_pins),
+ .pctlops = &bcm2712_pctl_ops,
+ .pmxops = &bcm2712_pmx_ops,
+ .confops = &bcm2712_pinconf_ops,
+ .owner = THIS_MODULE,
+};
+
+static const struct pinctrl_desc bcm2712_d0_aon_pinctrl_desc = {
+ .name = "aon-pinctrl-bcm2712",
+ .pins = bcm2712_d0_aon_gpio_pins,
+ .npins = ARRAY_SIZE(bcm2712_d0_aon_gpio_pins),
+ .pctlops = &bcm2712_pctl_ops,
+ .pmxops = &bcm2712_pmx_ops,
+ .confops = &bcm2712_pinconf_ops,
+ .owner = THIS_MODULE,
+};
+
+static const struct pinctrl_gpio_range bcm2712_c0_pinctrl_gpio_range = {
+ .name = "pinctrl-bcm2712",
+ .npins = ARRAY_SIZE(bcm2712_c0_gpio_pins),
+};
+
+static const struct pinctrl_gpio_range bcm2712_c0_aon_pinctrl_gpio_range = {
+ .name = "aon-pinctrl-bcm2712",
+ .npins = ARRAY_SIZE(bcm2712_c0_aon_gpio_pins),
+};
+
+static const struct pinctrl_gpio_range bcm2712_d0_pinctrl_gpio_range = {
+ .name = "pinctrl-bcm2712",
+ .npins = ARRAY_SIZE(bcm2712_d0_gpio_pins),
+};
+
+static const struct pinctrl_gpio_range bcm2712_d0_aon_pinctrl_gpio_range = {
+ .name = "aon-pinctrl-bcm2712",
+ .npins = ARRAY_SIZE(bcm2712_d0_aon_gpio_pins),
+};
+
+static const struct bcm_plat_data bcm2712_c0_plat_data = {
+ .pctl_desc = &bcm2712_c0_pinctrl_desc,
+ .gpio_range = &bcm2712_c0_pinctrl_gpio_range,
+ .pin_regs = bcm2712_c0_gpio_pin_regs,
+ .pin_funcs = bcm2712_c0_gpio_pin_funcs,
+};
+
+static const struct bcm_plat_data bcm2712_c0_aon_plat_data = {
+ .pctl_desc = &bcm2712_c0_aon_pinctrl_desc,
+ .gpio_range = &bcm2712_c0_aon_pinctrl_gpio_range,
+ .pin_regs = bcm2712_c0_aon_gpio_pin_regs,
+ .pin_funcs = bcm2712_c0_aon_gpio_pin_funcs,
+};
+
+static const struct bcm_plat_data bcm2712_d0_plat_data = {
+ .pctl_desc = &bcm2712_d0_pinctrl_desc,
+ .gpio_range = &bcm2712_d0_pinctrl_gpio_range,
+ .pin_regs = bcm2712_d0_gpio_pin_regs,
+ .pin_funcs = bcm2712_d0_gpio_pin_funcs,
+};
+
+static const struct bcm_plat_data bcm2712_d0_aon_plat_data = {
+ .pctl_desc = &bcm2712_d0_aon_pinctrl_desc,
+ .gpio_range = &bcm2712_d0_aon_pinctrl_gpio_range,
+ .pin_regs = bcm2712_d0_aon_gpio_pin_regs,
+ .pin_funcs = bcm2712_d0_aon_gpio_pin_funcs,
+};
+
+static const struct of_device_id bcm2712_pinctrl_match[] = {
+ {
+ .compatible = "brcm,bcm2712-pinctrl",
+ .data = &bcm2712_c0_plat_data,
+ },
+ {
+ .compatible = "brcm,bcm2712-aon-pinctrl",
+ .data = &bcm2712_c0_aon_plat_data,
+ },
+
+ {
+ .compatible = "brcm,bcm2712c0-pinctrl",
+ .data = &bcm2712_c0_plat_data,
+ },
+ {
+ .compatible = "brcm,bcm2712c0-aon-pinctrl",
+ .data = &bcm2712_c0_aon_plat_data,
+ },
+
+ {
+ .compatible = "brcm,bcm2712d0-pinctrl",
+ .data = &bcm2712_d0_plat_data,
+ },
+ {
+ .compatible = "brcm,bcm2712d0-aon-pinctrl",
+ .data = &bcm2712_d0_aon_plat_data,
+ },
+ {}
+};
+
+static int bcm2712_pinctrl_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ //struct device_node *np = dev->of_node;
+ const struct bcm_plat_data *pdata;
+ //const struct of_device_id *match;
+ struct bcm2712_pinctrl *pc;
+ const char **names;
+ int num_pins, i;
+
+ pdata = device_get_match_data(&pdev->dev);
+ if (!pdata)
+ return -EINVAL;
+
+ pc = devm_kzalloc(dev, sizeof(*pc), GFP_KERNEL);
+ if (!pc)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, pc);
+ pc->dev = dev;
+ spin_lock_init(&pc->lock);
+
+ //pc->base = devm_of_iomap(dev, np, 0, NULL);
+ pc->base = devm_platform_ioremap_resource(pdev, 0);
+ if (WARN_ON(IS_ERR(pc->base))) {
+ //dev_err(dev, "could not get IO memory\n");
+ return PTR_ERR(pc->base);
+ }
+
+ pc->pctl_desc = *pdata->pctl_desc;
+ num_pins = pc->pctl_desc.npins;
+ names = devm_kmalloc_array(dev, num_pins, sizeof(const char *),
+ GFP_KERNEL);
+ if (!names)
+ return -ENOMEM;
+ for (i = 0; i < num_pins; i++)
+ names[i] = pc->pctl_desc.pins[i].name;
+ pc->gpio_groups = names;
+ pc->pin_regs = pdata->pin_regs;
+ pc->pin_funcs = pdata->pin_funcs;
+ pc->pctl_dev = devm_pinctrl_register(dev, &pc->pctl_desc, pc);
+ if (IS_ERR(pc->pctl_dev))
+ return PTR_ERR(pc->pctl_dev);
+
+ pc->gpio_range = *pdata->gpio_range;
+ pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range);
+
+ return 0;
+}
+
+static struct platform_driver bcm2712_pinctrl_driver = {
+ .probe = bcm2712_pinctrl_probe,
+ .driver = {
+ .name = MODULE_NAME,
+ .of_match_table = bcm2712_pinctrl_match,
+ .suppress_bind_attrs = true,
+ },
+};
+builtin_platform_driver(bcm2712_pinctrl_driver);
--
2.35.3
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