[PATCH 2/7] pinctrl: bcm: Add STB family pin controller driver
Phil Elwell
phil at raspberrypi.com
Fri Aug 2 03:22:13 PDT 2024
On Wed, 31 Jul 2024 at 07:26, Ivan T. Ivanov <iivanov at suse.de> wrote:
>
> This driver provide pin muxing and configuration functionality
> for BCM2712 SoC used by RPi5. According to [1] this chips is
> incarnation of chip used in Broadcom STB product line.
>
> [1] https://lore.kernel.org/lkml/f6601f73-cb22-4ba3-88c5-241be8421fc3@broadcom.com/
>
> Cc: Jonathan Bell <jonathan at raspberrypi.com>
> Cc: Phil Elwell <phil at raspberrypi.com>
> Signed-off-by: Ivan T. Ivanov <iivanov at suse.de>
> ---
> drivers/pinctrl/bcm/Kconfig | 13 +
> drivers/pinctrl/bcm/Makefile | 1 +
> drivers/pinctrl/bcm/pinctrl-brcmstb.c | 1217 +++++++++++++++++++++++++
> 3 files changed, 1231 insertions(+)
> create mode 100644 drivers/pinctrl/bcm/pinctrl-brcmstb.c
>
> diff --git a/drivers/pinctrl/bcm/Kconfig b/drivers/pinctrl/bcm/Kconfig
> index 35b51ce4298e..2e1b8d444f58 100644
> --- a/drivers/pinctrl/bcm/Kconfig
> +++ b/drivers/pinctrl/bcm/Kconfig
> @@ -3,6 +3,19 @@
> # Broadcom pinctrl drivers
> #
>
> +config PINCTRL_BRCMSTB
> + tristate "Broadcom STB product line pin controller driver"
> + depends on OF && (ARCH_BRCMSTB || COMPILE_TEST)
> + select PINMUX
> + select PINCONF
> + select GENERIC_PINCONF
> + help
> + This driver provide pin muxing and configuration functionality
> + for Broadcom STB product line chipsets. BCM2712 SoC is one of these
> + chipsets.
> +
> + If M is selected the module will be called pinctrl-brcmstb.
> +
> 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..5f790c14cc4c 100644
> --- a/drivers/pinctrl/bcm/Makefile
> +++ b/drivers/pinctrl/bcm/Makefile
> @@ -11,6 +11,7 @@ obj-$(CONFIG_PINCTRL_BCM6358) += pinctrl-bcm6358.o
> obj-$(CONFIG_PINCTRL_BCM6362) += pinctrl-bcm6362.o
> obj-$(CONFIG_PINCTRL_BCM6368) += pinctrl-bcm6368.o
> obj-$(CONFIG_PINCTRL_BCM63268) += pinctrl-bcm63268.o
> +obj-$(CONFIG_PINCTRL_BRCMSTB) += pinctrl-brcmstb.o
> obj-$(CONFIG_PINCTRL_IPROC_GPIO) += pinctrl-iproc-gpio.o
> obj-$(CONFIG_PINCTRL_CYGNUS_MUX) += pinctrl-cygnus-mux.o
> obj-$(CONFIG_PINCTRL_NS) += pinctrl-ns.o
> diff --git a/drivers/pinctrl/bcm/pinctrl-brcmstb.c b/drivers/pinctrl/bcm/pinctrl-brcmstb.c
> new file mode 100644
> index 000000000000..143c8c2e1d6d
> --- /dev/null
> +++ b/drivers/pinctrl/bcm/pinctrl-brcmstb.c
> @@ -0,0 +1,1217 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Driver for Broadcom brcmstb 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/device.h>
> +#include <linux/err.h>
> +#include <linux/init.h>
> +#include <linux/io.h>
> +#include <linux/of.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>
> +
> +#define BRCMSTB_PULL_NONE 0
> +#define BRCMSTB_PULL_DOWN 1
> +#define BRCMSTB_PULL_UP 2
> +#define BRCMSTB_PULL_MASK 0x3
> +
> +#define BRCMSTB_FSEL_COUNT 9
> +#define BRCMSTB_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 brcmstb_pin_funcs {
> + u8 funcs[BRCMSTB_FSEL_COUNT - 1];
> +};
> +
> +struct brcmstb_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 brcmstb_pin_funcs *pin_funcs;
> + const char *const *gpio_groups;
> + struct pinctrl_gpio_range gpio_range;
> + /* Protect FSEL registers */
> + spinlock_t lock;
> +};
> +
> +struct brcmstb_pdata {
> + const struct pinctrl_desc *pctl_desc;
> + const struct pinctrl_gpio_range *gpio_range;
> + const struct pin_regs *pin_regs;
> + const struct brcmstb_pin_funcs *pin_funcs;
> +};
> +
> +enum brcmstb_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 brcmstb_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 brcmstb_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 brcmstb_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 brcmstb_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 brcmstb_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 brcmstb_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 brcmstb_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 brcmstb_reg_rd(struct brcmstb_pinctrl *pc, unsigned int reg)
> +{
> + return readl(pc->base + reg);
> +}
> +
> +static inline void brcmstb_reg_wr(struct brcmstb_pinctrl *pc, unsigned int reg,
> + u32 val)
> +{
> + writel(val, pc->base + reg);
> +}
> +
> +static enum brcmstb_funcs brcmstb_pinctrl_fsel_get(struct brcmstb_pinctrl *pc,
> + unsigned int pin)
> +{
> + u32 bit = pc->pin_regs[pin].mux_bit;
> + enum brcmstb_funcs func;
> + int fsel;
> + u32 val;
> +
> + if (!bit)
> + return func_gpio;
> +
> + bit &= ~MUX_BIT_VALID;
> +
> + val = brcmstb_reg_rd(pc, BIT_TO_REG(bit));
> + fsel = (val >> BIT_TO_SHIFT(bit)) & BRCMSTB_FSEL_MASK;
> + func = pc->pin_funcs[pin].funcs[fsel];
> +
> + if (func >= func_count)
> + func = (enum brcmstb_funcs)fsel;
> +
> + dev_dbg(pc->dev, "get %04x: %08x (%u => %s)\n",
> + BIT_TO_REG(bit), val, pin,
> + brcmstb_func_names[func]);
> +
> + return func;
> +}
> +
> +static void brcmstb_pinctrl_fsel_set(struct brcmstb_pinctrl *pc,
> + unsigned int pin, enum brcmstb_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 = BRCMSTB_FSEL_COUNT;
> +
> + if (func >= BRCMSTB_FSEL_COUNT) {
> + /* Convert to an fsel number */
> + pin_funcs = pc->pin_funcs[pin].funcs;
> + for (i = 1; i < BRCMSTB_FSEL_COUNT; i++) {
> + if (pin_funcs[i - 1] == func) {
> + fsel = i;
> + break;
> + }
> + }
> + } else {
> + fsel = (enum brcmstb_funcs)func;
> + }
> +
> + if (fsel >= BRCMSTB_FSEL_COUNT)
> + return;
> +
> + spin_lock_irqsave(&pc->lock, flags);
> +
> + val = brcmstb_reg_rd(pc, BIT_TO_REG(bit));
> + cur = (val >> BIT_TO_SHIFT(bit)) & BRCMSTB_FSEL_MASK;
> +
> + dev_dbg(pc->dev, "read %04x: %08x (%u => %s)\n",
> + BIT_TO_REG(bit), val, pin,
> + brcmstb_func_names[cur]);
> +
> + if (cur != fsel) {
> + val &= ~(BRCMSTB_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,
> + brcmstb_func_names[fsel]);
> + brcmstb_reg_wr(pc, BIT_TO_REG(bit), val);
> + }
> +
> + spin_unlock_irqrestore(&pc->lock, flags);
> +}
> +
> +static int brcmstb_pctl_get_groups_count(struct pinctrl_dev *pctldev)
> +{
> + struct brcmstb_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
> +
> + return pc->pctl_desc.npins;
> +}
> +
> +static const char *brcmstb_pctl_get_group_name(struct pinctrl_dev *pctldev,
> + unsigned int selector)
> +{
> + struct brcmstb_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
> +
> + return pc->gpio_groups[selector];
> +}
> +
> +static int brcmstb_pctl_get_group_pins(struct pinctrl_dev *pctldev,
> + unsigned int selector,
> + const unsigned int **pins,
> + unsigned int *num_pins)
> +{
> + struct brcmstb_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
> +
> + *pins = &pc->pctl_desc.pins[selector].number;
> + *num_pins = 1;
> +
> + return 0;
> +}
> +
> +static void brcmstb_pctl_pin_dbg_show(struct pinctrl_dev *pctldev,
> + struct seq_file *s, unsigned int offset)
> +{
> + struct brcmstb_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
> + enum brcmstb_funcs fsel = brcmstb_pinctrl_fsel_get(pc, offset);
> + const char *fname = brcmstb_func_names[fsel];
> +
> + seq_printf(s, "function %s", fname);
> +}
> +
> +static void brcmstb_pctl_dt_free_map(struct pinctrl_dev *pctldev,
> + struct pinctrl_map *maps,
> + unsigned int 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 brcmstb_pctl_ops = {
> + .get_groups_count = brcmstb_pctl_get_groups_count,
> + .get_group_name = brcmstb_pctl_get_group_name,
> + .get_group_pins = brcmstb_pctl_get_group_pins,
> + .pin_dbg_show = brcmstb_pctl_pin_dbg_show,
> + .dt_node_to_map = pinconf_generic_dt_node_to_map_all,
> + .dt_free_map = brcmstb_pctl_dt_free_map,
> +};
> +
> +static int brcmstb_pmx_free(struct pinctrl_dev *pctldev, unsigned int offset)
> +{
> + struct brcmstb_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
> +
> + /* disable by setting to GPIO */
> + brcmstb_pinctrl_fsel_set(pc, offset, func_gpio);
> + return 0;
> +}
> +
> +static int brcmstb_pmx_get_functions_count(struct pinctrl_dev *pctldev)
> +{
> + return func_count;
> +}
> +
> +static const char *brcmstb_pmx_get_function_name(struct pinctrl_dev *pctldev,
> + unsigned int selector)
> +{
> + return (selector < func_count) ? brcmstb_func_names[selector] : NULL;
> +}
> +
> +static int brcmstb_pmx_get_function_groups(struct pinctrl_dev *pctldev,
> + unsigned int selector,
> + const char *const **groups,
> + unsigned *const num_groups)
> +{
> + struct brcmstb_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
> +
> + *groups = pc->gpio_groups;
> + *num_groups = pc->pctl_desc.npins;
> +
> + return 0;
> +}
> +
> +static int brcmstb_pmx_set(struct pinctrl_dev *pctldev,
> + unsigned int func_selector,
> + unsigned int group_selector)
> +{
> + struct brcmstb_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];
> + brcmstb_pinctrl_fsel_set(pc, pindesc->number, func_selector);
> +
> + return 0;
> +}
> +
> +static int brcmstb_pmx_gpio_request_enable(struct pinctrl_dev *pctldev,
> + struct pinctrl_gpio_range *range,
> + unsigned int pin)
> +{
> + struct brcmstb_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
> +
> + brcmstb_pinctrl_fsel_set(pc, pin, func_gpio);
> +
> + return 0;
> +}
> +
> +static void brcmstb_pmx_gpio_disable_free(struct pinctrl_dev *pctldev,
> + struct pinctrl_gpio_range *range,
> + unsigned int offset)
> +{
> + struct brcmstb_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev);
> +
> + /* disable by setting to GPIO */
> + brcmstb_pinctrl_fsel_set(pc, offset, func_gpio);
> +}
> +
> +static const struct pinmux_ops brcmstb_pmx_ops = {
> + .free = brcmstb_pmx_free,
> + .get_functions_count = brcmstb_pmx_get_functions_count,
> + .get_function_name = brcmstb_pmx_get_function_name,
> + .get_function_groups = brcmstb_pmx_get_function_groups,
> + .set_mux = brcmstb_pmx_set,
> + .gpio_request_enable = brcmstb_pmx_gpio_request_enable,
> + .gpio_disable_free = brcmstb_pmx_gpio_disable_free,
> +};
> +
> +static unsigned int brcmstb_pull_config_get(struct brcmstb_pinctrl *pc,
> + unsigned int pin)
> +{
> + u32 bit = pc->pin_regs[pin].pad_bit, val;
> +
> + if (bit == REG_BIT_INVALID)
> + return BRCMSTB_PULL_NONE;
> +
> + val = brcmstb_reg_rd(pc, BIT_TO_REG(bit));
> + return (val >> BIT_TO_SHIFT(bit)) & BRCMSTB_PULL_MASK;
> +}
> +
> +static void brcmstb_pull_config_set(struct brcmstb_pinctrl *pc,
> + unsigned int pin, unsigned int arg)
> +{
> + u32 bit = pc->pin_regs[pin].pad_bit, val;
> + unsigned long flags;
> +
> + if (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 = brcmstb_reg_rd(pc, BIT_TO_REG(bit));
> + val &= ~(BRCMSTB_PULL_MASK << BIT_TO_SHIFT(bit));
> + val |= (arg << BIT_TO_SHIFT(bit));
> + brcmstb_reg_wr(pc, BIT_TO_REG(bit), val);
> +
> + spin_unlock_irqrestore(&pc->lock, flags);
> +}
> +
> +static int brcmstb_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
> + unsigned long *config)
> +{
> + struct brcmstb_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 = (brcmstb_pull_config_get(pc, pin) == BRCMSTB_PULL_NONE);
> + break;
> + case PIN_CONFIG_BIAS_PULL_DOWN:
> + arg = (brcmstb_pull_config_get(pc, pin) == BRCMSTB_PULL_DOWN);
> + break;
> + case PIN_CONFIG_BIAS_PULL_UP:
> + arg = (brcmstb_pull_config_get(pc, pin) == BRCMSTB_PULL_UP);
> + break;
> + default:
> + return -ENOTSUPP;
> + }
> +
> + *config = pinconf_to_config_packed(param, arg);
> +
> + return 0;
> +}
> +
> +static int brcmstb_pinconf_set(struct pinctrl_dev *pctldev,
> + unsigned int pin, unsigned long *configs,
> + unsigned int num_configs)
> +{
> + struct brcmstb_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:
> + brcmstb_pull_config_set(pc, pin, BRCMSTB_PULL_NONE);
> + break;
> + case PIN_CONFIG_BIAS_PULL_DOWN:
> + brcmstb_pull_config_set(pc, pin, BRCMSTB_PULL_DOWN);
> + break;
> + case PIN_CONFIG_BIAS_PULL_UP:
> + brcmstb_pull_config_set(pc, pin, BRCMSTB_PULL_UP);
> + break;
> + default:
> + return -ENOTSUPP;
> + }
> + }
> +
> + return 0;
> +}
> +
> +static const struct pinconf_ops brcmstb_pinconf_ops = {
> + .is_generic = true,
> + .pin_config_get = brcmstb_pinconf_get,
> + .pin_config_set = brcmstb_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 = &brcmstb_pctl_ops,
> + .pmxops = &brcmstb_pmx_ops,
> + .confops = &brcmstb_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 = &brcmstb_pctl_ops,
> + .pmxops = &brcmstb_pmx_ops,
> + .confops = &brcmstb_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 = &brcmstb_pctl_ops,
> + .pmxops = &brcmstb_pmx_ops,
> + .confops = &brcmstb_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 = &brcmstb_pctl_ops,
> + .pmxops = &brcmstb_pmx_ops,
> + .confops = &brcmstb_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 brcmstb_pdata bcm2712_c0_pdata = {
> + .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 brcmstb_pdata bcm2712_c0_aon_pdata = {
> + .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 brcmstb_pdata bcm2712_d0_pdata = {
> + .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 brcmstb_pdata bcm2712_d0_aon_pdata = {
> + .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 brcmstb_pinctrl_match[] = {
> + {
> + .compatible = "brcm,bcm2712-pinctrl",
> + .data = &bcm2712_c0_pdata
> + },
> + {
> + .compatible = "brcm,bcm2712-aon-pinctrl",
> + .data = &bcm2712_c0_aon_pdata
> + },
> +
> + {
> + .compatible = "brcm,bcm2712c0-pinctrl",
> + .data = &bcm2712_c0_pdata
> + },
> + {
> + .compatible = "brcm,bcm2712c0-aon-pinctrl",
> + .data = &bcm2712_c0_aon_pdata
> + },
> +
> + {
> + .compatible = "brcm,bcm2712d0-pinctrl",
> + .data = &bcm2712_d0_pdata
> + },
> + {
> + .compatible = "brcm,bcm2712d0-aon-pinctrl",
> + .data = &bcm2712_d0_aon_pdata
> + },
> + { /* sentinel */ }
> +};
> +
> +static int brcmstb_pinctrl_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + struct device_node *np = dev->of_node;
> + const struct brcmstb_pdata *pdata;
> + const struct of_device_id *match;
> + struct brcmstb_pinctrl *pc;
> + const char **names;
> + int num_pins, i;
> +
> + match = of_match_node(brcmstb_pinctrl_match, np);
> + pdata = match->data;
> +
> + 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);
> + if (IS_ERR(pc->base))
> + return dev_err_probe(&pdev->dev, PTR_ERR(pc->base),
> + "Could not get IO memory\n");
> +
> + 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 dev_err_probe(&pdev->dev, PTR_ERR(pc->pctl_dev),
> + "Failed to register pinctrl device\n");
> +
> + pc->gpio_range = *pdata->gpio_range;
> + pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range);
> +
> + return 0;
> +}
> +
> +static struct platform_driver brcmstb_pinctrl_driver = {
> + .probe = brcmstb_pinctrl_probe,
> + .driver = {
> + .name = "pinctrl-brcmstb",
> + .of_match_table = brcmstb_pinctrl_match,
> + .suppress_bind_attrs = true,
> + },
> +};
> +module_platform_driver(brcmstb_pinctrl_driver);
> +
> +MODULE_AUTHOR("Phil Elwell");
> +MODULE_AUTHOR("Jonathan Bell");
> +MODULE_AUTHOR("Ivan T. Ivanov");
> +MODULE_DESCRIPTION("Broadcom brcmstb pinctrl driver");
> +MODULE_LICENSE("GPL");
> --
> 2.43.0
>
Reviewed-by: Phil Elwell <phil at raspberrypi.com>
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