Add pinctrl support for Exynos850 SoC. It was mostly extracted from corresponding Linux kernel code [1]. Power down modes and external interrupt data were removed while converting the code for U-Boot, but everything else was kept almost unchanged.
[1] drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
Signed-off-by: Sam Protsenko semen.protsenko@linaro.org Reviewed-by: Chanho Park chanho61.park@samsung.com --- Changes in v2: - Fixed driver description in the comment - Added R-b tag
drivers/pinctrl/exynos/Kconfig | 8 ++ drivers/pinctrl/exynos/Makefile | 1 + drivers/pinctrl/exynos/pinctrl-exynos850.c | 125 +++++++++++++++++++++ 3 files changed, 134 insertions(+) create mode 100644 drivers/pinctrl/exynos/pinctrl-exynos850.c
diff --git a/drivers/pinctrl/exynos/Kconfig b/drivers/pinctrl/exynos/Kconfig index a60f49869b45..1b7fb62bc4ba 100644 --- a/drivers/pinctrl/exynos/Kconfig +++ b/drivers/pinctrl/exynos/Kconfig @@ -16,3 +16,11 @@ config PINCTRL_EXYNOS78x0 help Support pin multiplexing and pin configuration control on Samsung's Exynos78x0 SoC. + +config PINCTRL_EXYNOS850 + bool "Samsung Exynos850 pinctrl driver" + depends on ARCH_EXYNOS && PINCTRL_FULL + select PINCTRL_EXYNOS + help + Support pin multiplexing and pin configuration control on + Samsung's Exynos850 SoC. diff --git a/drivers/pinctrl/exynos/Makefile b/drivers/pinctrl/exynos/Makefile index 07db970ca942..3abe1226eb74 100644 --- a/drivers/pinctrl/exynos/Makefile +++ b/drivers/pinctrl/exynos/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_PINCTRL_EXYNOS) += pinctrl-exynos.o obj-$(CONFIG_PINCTRL_EXYNOS7420) += pinctrl-exynos7420.o obj-$(CONFIG_PINCTRL_EXYNOS78x0) += pinctrl-exynos78x0.o +obj-$(CONFIG_PINCTRL_EXYNOS850) += pinctrl-exynos850.o diff --git a/drivers/pinctrl/exynos/pinctrl-exynos850.c b/drivers/pinctrl/exynos/pinctrl-exynos850.c new file mode 100644 index 000000000000..3ec2636e0d87 --- /dev/null +++ b/drivers/pinctrl/exynos/pinctrl-exynos850.c @@ -0,0 +1,125 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2023 Linaro Ltd. + * Author: Sam Protsenko semen.protsenko@linaro.org + * + * Exynos850 pinctrl driver. + */ + +#include <dm.h> +#include <dm/pinctrl.h> +#include "pinctrl-exynos.h" + +#define EXYNOS850_PIN_BANK(pins, reg, id) \ + { \ + .type = &exynos850_bank_type, \ + .offset = reg, \ + .nr_pins = pins, \ + .name = id \ + } + +/* CON, DAT, PUD, DRV */ +static const struct samsung_pin_bank_type exynos850_bank_type = { + .fld_width = { 4, 1, 4, 4, }, + .reg_offset = { 0x00, 0x04, 0x08, 0x0c, }, +}; + +static const struct pinctrl_ops exynos850_pinctrl_ops = { + .set_state = exynos_pinctrl_set_state +}; + +/* pin banks of exynos850 pin-controller 0 (ALIVE) */ +static const struct samsung_pin_bank_data exynos850_pin_banks0[] = { + EXYNOS850_PIN_BANK(8, 0x000, "gpa0"), + EXYNOS850_PIN_BANK(8, 0x020, "gpa1"), + EXYNOS850_PIN_BANK(8, 0x040, "gpa2"), + EXYNOS850_PIN_BANK(8, 0x060, "gpa3"), + EXYNOS850_PIN_BANK(4, 0x080, "gpa4"), + EXYNOS850_PIN_BANK(3, 0x0a0, "gpq0"), +}; + +/* pin banks of exynos850 pin-controller 1 (CMGP) */ +static const struct samsung_pin_bank_data exynos850_pin_banks1[] = { + EXYNOS850_PIN_BANK(1, 0x000, "gpm0"), + EXYNOS850_PIN_BANK(1, 0x020, "gpm1"), + EXYNOS850_PIN_BANK(1, 0x040, "gpm2"), + EXYNOS850_PIN_BANK(1, 0x060, "gpm3"), + EXYNOS850_PIN_BANK(1, 0x080, "gpm4"), + EXYNOS850_PIN_BANK(1, 0x0a0, "gpm5"), + EXYNOS850_PIN_BANK(1, 0x0c0, "gpm6"), + EXYNOS850_PIN_BANK(1, 0x0e0, "gpm7"), +}; + +/* pin banks of exynos850 pin-controller 2 (AUD) */ +static const struct samsung_pin_bank_data exynos850_pin_banks2[] = { + EXYNOS850_PIN_BANK(5, 0x000, "gpb0"), + EXYNOS850_PIN_BANK(5, 0x020, "gpb1"), +}; + +/* pin banks of exynos850 pin-controller 3 (HSI) */ +static const struct samsung_pin_bank_data exynos850_pin_banks3[] = { + EXYNOS850_PIN_BANK(6, 0x000, "gpf2"), +}; + +/* pin banks of exynos850 pin-controller 4 (CORE) */ +static const struct samsung_pin_bank_data exynos850_pin_banks4[] = { + EXYNOS850_PIN_BANK(4, 0x000, "gpf0"), + EXYNOS850_PIN_BANK(8, 0x020, "gpf1"), +}; + +/* pin banks of exynos850 pin-controller 5 (PERI) */ +static const struct samsung_pin_bank_data exynos850_pin_banks5[] = { + EXYNOS850_PIN_BANK(2, 0x000, "gpg0"), + EXYNOS850_PIN_BANK(6, 0x020, "gpp0"), + EXYNOS850_PIN_BANK(4, 0x040, "gpp1"), + EXYNOS850_PIN_BANK(4, 0x060, "gpp2"), + EXYNOS850_PIN_BANK(8, 0x080, "gpg1"), + EXYNOS850_PIN_BANK(8, 0x0a0, "gpg2"), + EXYNOS850_PIN_BANK(1, 0x0c0, "gpg3"), + EXYNOS850_PIN_BANK(3, 0x0e0, "gpc0"), + EXYNOS850_PIN_BANK(6, 0x100, "gpc1"), +}; + +static const struct samsung_pin_ctrl exynos850_pin_ctrl[] = { + { + /* pin-controller instance 0 ALIVE data */ + .pin_banks = exynos850_pin_banks0, + .nr_banks = ARRAY_SIZE(exynos850_pin_banks0), + }, { + /* pin-controller instance 1 CMGP data */ + .pin_banks = exynos850_pin_banks1, + .nr_banks = ARRAY_SIZE(exynos850_pin_banks1), + }, { + /* pin-controller instance 2 AUD data */ + .pin_banks = exynos850_pin_banks2, + .nr_banks = ARRAY_SIZE(exynos850_pin_banks2), + }, { + /* pin-controller instance 3 HSI data */ + .pin_banks = exynos850_pin_banks3, + .nr_banks = ARRAY_SIZE(exynos850_pin_banks3), + }, { + /* pin-controller instance 4 CORE data */ + .pin_banks = exynos850_pin_banks4, + .nr_banks = ARRAY_SIZE(exynos850_pin_banks4), + }, { + /* pin-controller instance 5 PERI data */ + .pin_banks = exynos850_pin_banks5, + .nr_banks = ARRAY_SIZE(exynos850_pin_banks5), + }, + {/* list terminator */} +}; + +static const struct udevice_id exynos850_pinctrl_ids[] = { + { .compatible = "samsung,exynos850-pinctrl", + .data = (ulong)exynos850_pin_ctrl }, + { } +}; + +U_BOOT_DRIVER(pinctrl_exynos850) = { + .name = "pinctrl_exynos850", + .id = UCLASS_PINCTRL, + .of_match = exynos850_pinctrl_ids, + .priv_auto = sizeof(struct exynos_pinctrl_priv), + .ops = &exynos850_pinctrl_ops, + .probe = exynos_pinctrl_probe, +};