// SPDX-License-Identifier: GPL-2.0+ // // Exynos ARMv8 specific support for Samsung pinctrl/gpiolib driver // with eint support. // // Copyright (c) 2012 Samsung Electronics Co., Ltd. // http://www.samsung.com // Copyright (c) 2012 Linaro Ltd // http://www.linaro.org // Copyright (c) 2017 Krzysztof Kozlowski <krzk@kernel.org> // // This file contains the Samsung Exynos specific information required by the // the Samsung pinctrl/gpiolib driver. It also includes the implementation of // external gpio and wakeup interrupt support. #include <linux/slab.h> #include <linux/soc/samsung/exynos-regs-pmu.h> #include "pinctrl-samsung.h" #include "pinctrl-exynos.h" static const struct samsung_pin_bank_type bank_type_off = { .fld_width = { 4, 1, 2, 2, 2, 2, }, .reg_offset = { 0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, }, }; static const struct samsung_pin_bank_type bank_type_alive = { .fld_width = { 4, 1, 2, 2, }, .reg_offset = { 0x00, 0x04, 0x08, 0x0c, }, }; /* Exynos5433 has the 4bit widths for PINCFG_TYPE_DRV bitfields. */ static const struct samsung_pin_bank_type exynos5433_bank_type_off = { .fld_width = { 4, 1, 2, 4, 2, 2, }, .reg_offset = { 0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, }, }; static const struct samsung_pin_bank_type exynos5433_bank_type_alive = { .fld_width = { 4, 1, 2, 4, }, .reg_offset = { 0x00, 0x04, 0x08, 0x0c, }, }; /* Pad retention control code for accessing PMU regmap */ static atomic_t exynos_shared_retention_refcnt; /* pin banks of exynos5433 pin-controller - ALIVE */ static const struct samsung_pin_bank_data exynos5433_pin_banks0[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS5433_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00), EXYNOS5433_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04), EXYNOS5433_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08), EXYNOS5433_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c), EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x020, "gpf1", 0x1004, 1), EXYNOS5433_PIN_BANK_EINTW_EXT(4, 0x040, "gpf2", 0x1008, 1), EXYNOS5433_PIN_BANK_EINTW_EXT(4, 0x060, "gpf3", 0x100c, 1), EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x080, "gpf4", 0x1010, 1), EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x0a0, "gpf5", 0x1014, 1), }; /* pin banks of exynos5433 pin-controller - AUD */ static const struct samsung_pin_bank_data exynos5433_pin_banks1[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS5433_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00), EXYNOS5433_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04), }; /* pin banks of exynos5433 pin-controller - CPIF */ static const struct samsung_pin_bank_data exynos5433_pin_banks2[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS5433_PIN_BANK_EINTG(2, 0x000, "gpv6", 0x00), }; /* pin banks of exynos5433 pin-controller - eSE */ static const struct samsung_pin_bank_data exynos5433_pin_banks3[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj2", 0x00), }; /* pin banks of exynos5433 pin-controller - FINGER */ static const struct samsung_pin_bank_data exynos5433_pin_banks4[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS5433_PIN_BANK_EINTG(4, 0x000, "gpd5", 0x00), }; /* pin banks of exynos5433 pin-controller - FSYS */ static const struct samsung_pin_bank_data exynos5433_pin_banks5[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS5433_PIN_BANK_EINTG(6, 0x000, "gph1", 0x00), EXYNOS5433_PIN_BANK_EINTG(7, 0x020, "gpr4", 0x04), EXYNOS5433_PIN_BANK_EINTG(5, 0x040, "gpr0", 0x08), EXYNOS5433_PIN_BANK_EINTG(8, 0x060, "gpr1", 0x0c), EXYNOS5433_PIN_BANK_EINTG(2, 0x080, "gpr2", 0x10), EXYNOS5433_PIN_BANK_EINTG(8, 0x0a0, "gpr3", 0x14), }; /* pin banks of exynos5433 pin-controller - IMEM */ static const struct samsung_pin_bank_data exynos5433_pin_banks6[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS5433_PIN_BANK_EINTG(8, 0x000, "gpf0", 0x00), }; /* pin banks of exynos5433 pin-controller - NFC */ static const struct samsung_pin_bank_data exynos5433_pin_banks7[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj0", 0x00), }; /* pin banks of exynos5433 pin-controller - PERIC */ static const struct samsung_pin_bank_data exynos5433_pin_banks8[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS5433_PIN_BANK_EINTG(6, 0x000, "gpv7", 0x00), EXYNOS5433_PIN_BANK_EINTG(5, 0x020, "gpb0", 0x04), EXYNOS5433_PIN_BANK_EINTG(8, 0x040, "gpc0", 0x08), EXYNOS5433_PIN_BANK_EINTG(2, 0x060, "gpc1", 0x0c), EXYNOS5433_PIN_BANK_EINTG(6, 0x080, "gpc2", 0x10), EXYNOS5433_PIN_BANK_EINTG(8, 0x0a0, "gpc3", 0x14), EXYNOS5433_PIN_BANK_EINTG(2, 0x0c0, "gpg0", 0x18), EXYNOS5433_PIN_BANK_EINTG(4, 0x0e0, "gpd0", 0x1c), EXYNOS5433_PIN_BANK_EINTG(6, 0x100, "gpd1", 0x20), EXYNOS5433_PIN_BANK_EINTG(8, 0x120, "gpd2", 0x24), EXYNOS5433_PIN_BANK_EINTG(5, 0x140, "gpd4", 0x28), EXYNOS5433_PIN_BANK_EINTG(2, 0x160, "gpd8", 0x2c), EXYNOS5433_PIN_BANK_EINTG(7, 0x180, "gpd6", 0x30), EXYNOS5433_PIN_BANK_EINTG(3, 0x1a0, "gpd7", 0x34), EXYNOS5433_PIN_BANK_EINTG(5, 0x1c0, "gpg1", 0x38), EXYNOS5433_PIN_BANK_EINTG(2, 0x1e0, "gpg2", 0x3c), EXYNOS5433_PIN_BANK_EINTG(8, 0x200, "gpg3", 0x40), }; /* pin banks of exynos5433 pin-controller - TOUCH */ static const struct samsung_pin_bank_data exynos5433_pin_banks9[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj1", 0x00), }; /* PMU pin retention groups registers for Exynos5433 (without audio & fsys) */ static const u32 exynos5433_retention_regs[] = { EXYNOS5433_PAD_RETENTION_TOP_OPTION, EXYNOS5433_PAD_RETENTION_UART_OPTION, EXYNOS5433_PAD_RETENTION_EBIA_OPTION, EXYNOS5433_PAD_RETENTION_EBIB_OPTION, EXYNOS5433_PAD_RETENTION_SPI_OPTION, EXYNOS5433_PAD_RETENTION_MIF_OPTION, EXYNOS5433_PAD_RETENTION_USBXTI_OPTION, EXYNOS5433_PAD_RETENTION_BOOTLDO_OPTION, EXYNOS5433_PAD_RETENTION_UFS_OPTION, EXYNOS5433_PAD_RETENTION_FSYSGENIO_OPTION, }; static const struct samsung_retention_data exynos5433_retention_data __initconst = { .regs = exynos5433_retention_regs, .nr_regs = ARRAY_SIZE(exynos5433_retention_regs), .value = EXYNOS_WAKEUP_FROM_LOWPWR, .refcnt = &exynos_shared_retention_refcnt, .init = exynos_retention_init, }; /* PMU retention control for audio pins can be tied to audio pin bank */ static const u32 exynos5433_audio_retention_regs[] = { EXYNOS5433_PAD_RETENTION_AUD_OPTION, }; static const struct samsung_retention_data exynos5433_audio_retention_data __initconst = { .regs = exynos5433_audio_retention_regs, .nr_regs = ARRAY_SIZE(exynos5433_audio_retention_regs), .value = EXYNOS_WAKEUP_FROM_LOWPWR, .init = exynos_retention_init, }; /* PMU retention control for mmc pins can be tied to fsys pin bank */ static const u32 exynos5433_fsys_retention_regs[] = { EXYNOS5433_PAD_RETENTION_MMC0_OPTION, EXYNOS5433_PAD_RETENTION_MMC1_OPTION, EXYNOS5433_PAD_RETENTION_MMC2_OPTION, }; static const struct samsung_retention_data exynos5433_fsys_retention_data __initconst = { .regs = exynos5433_fsys_retention_regs, .nr_regs = ARRAY_SIZE(exynos5433_fsys_retention_regs), .value = EXYNOS_WAKEUP_FROM_LOWPWR, .init = exynos_retention_init, }; /* * Samsung pinctrl driver data for Exynos5433 SoC. Exynos5433 SoC includes * ten gpio/pin-mux/pinconfig controllers. */ static const struct samsung_pin_ctrl exynos5433_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = exynos5433_pin_banks0, .nr_banks = ARRAY_SIZE(exynos5433_pin_banks0), .eint_wkup_init = exynos_eint_wkup_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, .nr_ext_resources = 1, .retention_data = &exynos5433_retention_data, }, { /* pin-controller instance 1 data */ .pin_banks = exynos5433_pin_banks1, .nr_banks = ARRAY_SIZE(exynos5433_pin_banks1), .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, .retention_data = &exynos5433_audio_retention_data, }, { /* pin-controller instance 2 data */ .pin_banks = exynos5433_pin_banks2, .nr_banks = ARRAY_SIZE(exynos5433_pin_banks2), .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, .retention_data = &exynos5433_retention_data, }, { /* pin-controller instance 3 data */ .pin_banks = exynos5433_pin_banks3, .nr_banks = ARRAY_SIZE(exynos5433_pin_banks3), .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, .retention_data = &exynos5433_retention_data, }, { /* pin-controller instance 4 data */ .pin_banks = exynos5433_pin_banks4, .nr_banks = ARRAY_SIZE(exynos5433_pin_banks4), .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, .retention_data = &exynos5433_retention_data, }, { /* pin-controller instance 5 data */ .pin_banks = exynos5433_pin_banks5, .nr_banks = ARRAY_SIZE(exynos5433_pin_banks5), .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, .retention_data = &exynos5433_fsys_retention_data, }, { /* pin-controller instance 6 data */ .pin_banks = exynos5433_pin_banks6, .nr_banks = ARRAY_SIZE(exynos5433_pin_banks6), .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, .retention_data = &exynos5433_retention_data, }, { /* pin-controller instance 7 data */ .pin_banks = exynos5433_pin_banks7, .nr_banks = ARRAY_SIZE(exynos5433_pin_banks7), .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, .retention_data = &exynos5433_retention_data, }, { /* pin-controller instance 8 data */ .pin_banks = exynos5433_pin_banks8, .nr_banks = ARRAY_SIZE(exynos5433_pin_banks8), .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, .retention_data = &exynos5433_retention_data, }, { /* pin-controller instance 9 data */ .pin_banks = exynos5433_pin_banks9, .nr_banks = ARRAY_SIZE(exynos5433_pin_banks9), .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, .retention_data = &exynos5433_retention_data, }, }; const struct samsung_pinctrl_of_match_data exynos5433_of_data __initconst = { .ctrl = exynos5433_pin_ctrl, .num_ctrl = ARRAY_SIZE(exynos5433_pin_ctrl), }; /* pin banks of exynos7 pin-controller - ALIVE */ static const struct samsung_pin_bank_data exynos7_pin_banks0[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00), EXYNOS_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04), EXYNOS_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08), EXYNOS_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c), }; /* pin banks of exynos7 pin-controller - BUS0 */ static const struct samsung_pin_bank_data exynos7_pin_banks1[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS_PIN_BANK_EINTG(5, 0x000, "gpb0", 0x00), EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpc0", 0x04), EXYNOS_PIN_BANK_EINTG(2, 0x040, "gpc1", 0x08), EXYNOS_PIN_BANK_EINTG(6, 0x060, "gpc2", 0x0c), EXYNOS_PIN_BANK_EINTG(8, 0x080, "gpc3", 0x10), EXYNOS_PIN_BANK_EINTG(4, 0x0a0, "gpd0", 0x14), EXYNOS_PIN_BANK_EINTG(6, 0x0c0, "gpd1", 0x18), EXYNOS_PIN_BANK_EINTG(8, 0x0e0, "gpd2", 0x1c), EXYNOS_PIN_BANK_EINTG(5, 0x100, "gpd4", 0x20), EXYNOS_PIN_BANK_EINTG(4, 0x120, "gpd5", 0x24), EXYNOS_PIN_BANK_EINTG(6, 0x140, "gpd6", 0x28), EXYNOS_PIN_BANK_EINTG(3, 0x160, "gpd7", 0x2c), EXYNOS_PIN_BANK_EINTG(2, 0x180, "gpd8", 0x30), EXYNOS_PIN_BANK_EINTG(2, 0x1a0, "gpg0", 0x34), EXYNOS_PIN_BANK_EINTG(4, 0x1c0, "gpg3", 0x38), }; /* pin banks of exynos7 pin-controller - NFC */ static const struct samsung_pin_bank_data exynos7_pin_banks2[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj0", 0x00), }; /* pin banks of exynos7 pin-controller - TOUCH */ static const struct samsung_pin_bank_data exynos7_pin_banks3[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj1", 0x00), }; /* pin banks of exynos7 pin-controller - FF */ static const struct samsung_pin_bank_data exynos7_pin_banks4[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS_PIN_BANK_EINTG(4, 0x000, "gpg4", 0x00), }; /* pin banks of exynos7 pin-controller - ESE */ static const struct samsung_pin_bank_data exynos7_pin_banks5[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS_PIN_BANK_EINTG(5, 0x000, "gpv7", 0x00), }; /* pin banks of exynos7 pin-controller - FSYS0 */ static const struct samsung_pin_bank_data exynos7_pin_banks6[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpr4", 0x00), }; /* pin banks of exynos7 pin-controller - FSYS1 */ static const struct samsung_pin_bank_data exynos7_pin_banks7[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS_PIN_BANK_EINTG(4, 0x000, "gpr0", 0x00), EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpr1", 0x04), EXYNOS_PIN_BANK_EINTG(5, 0x040, "gpr2", 0x08), EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpr3", 0x0c), }; /* pin banks of exynos7 pin-controller - BUS1 */ static const struct samsung_pin_bank_data exynos7_pin_banks8[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpf0", 0x00), EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpf1", 0x04), EXYNOS_PIN_BANK_EINTG(4, 0x060, "gpf2", 0x08), EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpf3", 0x0c), EXYNOS_PIN_BANK_EINTG(8, 0x0a0, "gpf4", 0x10), EXYNOS_PIN_BANK_EINTG(8, 0x0c0, "gpf5", 0x14), EXYNOS_PIN_BANK_EINTG(5, 0x0e0, "gpg1", 0x18), EXYNOS_PIN_BANK_EINTG(5, 0x100, "gpg2", 0x1c), EXYNOS_PIN_BANK_EINTG(6, 0x120, "gph1", 0x20), EXYNOS_PIN_BANK_EINTG(3, 0x140, "gpv6", 0x24), }; static const struct samsung_pin_bank_data exynos7_pin_banks9[] __initconst = { /* Must start with EINTG banks, ordered by EINT group number. */ EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00), EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04), }; static const struct samsung_pin_ctrl exynos7_pin_ctrl[] __initconst = { { /* pin-controller instance 0 Alive data */ .pin_banks = exynos7_pin_banks0, .nr_banks = ARRAY_SIZE(exynos7_pin_banks0), .eint_wkup_init = exynos_eint_wkup_init, }, { /* pin-controller instance 1 BUS0 data */ .pin_banks = exynos7_pin_banks1, .nr_banks = ARRAY_SIZE(exynos7_pin_banks1), .eint_gpio_init = exynos_eint_gpio_init, }, { /* pin-controller instance 2 NFC data */ .pin_banks = exynos7_pin_banks2, .nr_banks = ARRAY_SIZE(exynos7_pin_banks2), .eint_gpio_init = exynos_eint_gpio_init, }, { /* pin-controller instance 3 TOUCH data */ .pin_banks = exynos7_pin_banks3, .nr_banks = ARRAY_SIZE(exynos7_pin_banks3), .eint_gpio_init = exynos_eint_gpio_init, }, { /* pin-controller instance 4 FF data */ .pin_banks = exynos7_pin_banks4, .nr_banks = ARRAY_SIZE(exynos7_pin_banks4), .eint_gpio_init = exynos_eint_gpio_init, }, { /* pin-controller instance 5 ESE data */ .pin_banks = exynos7_pin_banks5, .nr_banks = ARRAY_SIZE(exynos7_pin_banks5), .eint_gpio_init = exynos_eint_gpio_init, }, { /* pin-controller instance 6 FSYS0 data */ .pin_banks = exynos7_pin_banks6, .nr_banks = ARRAY_SIZE(exynos7_pin_banks6), .eint_gpio_init = exynos_eint_gpio_init, }, { /* pin-controller instance 7 FSYS1 data */ .pin_banks = exynos7_pin_banks7, .nr_banks = ARRAY_SIZE(exynos7_pin_banks7), .eint_gpio_init = exynos_eint_gpio_init, }, { /* pin-controller instance 8 BUS1 data */ .pin_banks = exynos7_pin_banks8, .nr_banks = ARRAY_SIZE(exynos7_pin_banks8), .eint_gpio_init = exynos_eint_gpio_init, }, { /* pin-controller instance 9 AUD data */ .pin_banks = exynos7_pin_banks9, .nr_banks = ARRAY_SIZE(exynos7_pin_banks9), .eint_gpio_init = exynos_eint_gpio_init, }, }; const struct samsung_pinctrl_of_match_data exynos7_of_data __initconst = { .ctrl = exynos7_pin_ctrl, .num_ctrl = ARRAY_SIZE(exynos7_pin_ctrl), };