diff options
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-mt7622.c')
-rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mt7622.c | 1763 |
1 files changed, 1763 insertions, 0 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7622.c b/drivers/pinctrl/mediatek/pinctrl-mt7622.c new file mode 100644 index 000000000..6f931b857 --- /dev/null +++ b/drivers/pinctrl/mediatek/pinctrl-mt7622.c @@ -0,0 +1,1763 @@ +/* + * MediaTek MT7622 Pinctrl Driver + * + * Copyright (C) 2017 Sean Wang <sean.wang@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/gpio.h> +#include <linux/gpio/driver.h> +#include <linux/io.h> +#include <linux/init.h> +#include <linux/mfd/syscon.h> +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/pinctrl/pinctrl.h> +#include <linux/pinctrl/pinmux.h> +#include <linux/pinctrl/pinconf.h> +#include <linux/pinctrl/pinconf-generic.h> +#include <linux/regmap.h> + +#include "../core.h" +#include "../pinconf.h" +#include "../pinmux.h" +#include "mtk-eint.h" + +#define PINCTRL_PINCTRL_DEV KBUILD_MODNAME +#define MTK_RANGE(_a) { .range = (_a), .nranges = ARRAY_SIZE(_a), } +#define PINCTRL_PIN_GROUP(name, id) \ + { \ + name, \ + id##_pins, \ + ARRAY_SIZE(id##_pins), \ + id##_funcs, \ + } + +#define MTK_GPIO_MODE 1 +#define MTK_INPUT 0 +#define MTK_OUTPUT 1 +#define MTK_DISABLE 0 +#define MTK_ENABLE 1 + +/* Custom pinconf parameters */ +#define MTK_PIN_CONFIG_TDSEL (PIN_CONFIG_END + 1) +#define MTK_PIN_CONFIG_RDSEL (PIN_CONFIG_END + 2) + +/* List these attributes which could be modified for the pin */ +enum { + PINCTRL_PIN_REG_MODE, + PINCTRL_PIN_REG_DIR, + PINCTRL_PIN_REG_DI, + PINCTRL_PIN_REG_DO, + PINCTRL_PIN_REG_SR, + PINCTRL_PIN_REG_SMT, + PINCTRL_PIN_REG_PD, + PINCTRL_PIN_REG_PU, + PINCTRL_PIN_REG_E4, + PINCTRL_PIN_REG_E8, + PINCTRL_PIN_REG_TDSEL, + PINCTRL_PIN_REG_RDSEL, + PINCTRL_PIN_REG_MAX, +}; + +/* struct mtk_pin_field - the structure that holds the information of the field + * used to describe the attribute for the pin + * @offset: the register offset relative to the base address + * @mask: the mask used to filter out the field from the register + * @bitpos: the start bit relative to the register + * @next: the indication that the field would be extended to the + next register + */ +struct mtk_pin_field { + u32 offset; + u32 mask; + u8 bitpos; + u8 next; +}; + +/* struct mtk_pin_field_calc - the structure that holds the range providing + * the guide used to look up the relevant field + * @s_pin: the start pin within the range + * @e_pin: the end pin within the range + * @s_addr: the start address for the range + * @x_addrs: the address distance between two consecutive registers + * within the range + * @s_bit: the start bit for the first register within the range + * @x_bits: the bit distance between two consecutive pins within + * the range + */ +struct mtk_pin_field_calc { + u16 s_pin; + u16 e_pin; + u32 s_addr; + u8 x_addrs; + u8 s_bit; + u8 x_bits; +}; + +/* struct mtk_pin_reg_calc - the structure that holds all ranges used to + * determine which register the pin would make use of + * for certain pin attribute. + * @range: the start address for the range + * @nranges: the number of items in the range + */ +struct mtk_pin_reg_calc { + const struct mtk_pin_field_calc *range; + unsigned int nranges; +}; + +/* struct mtk_pin_soc - the structure that holds SoC-specific data */ +struct mtk_pin_soc { + const struct mtk_pin_reg_calc *reg_cal; + const struct pinctrl_pin_desc *pins; + unsigned int npins; + const struct group_desc *grps; + unsigned int ngrps; + const struct function_desc *funcs; + unsigned int nfuncs; + const struct mtk_eint_regs *eint_regs; + const struct mtk_eint_hw *eint_hw; +}; + +struct mtk_pinctrl { + struct pinctrl_dev *pctrl; + void __iomem *base; + struct device *dev; + struct gpio_chip chip; + const struct mtk_pin_soc *soc; + struct mtk_eint *eint; +}; + +static const struct mtk_pin_field_calc mt7622_pin_mode_range[] = { + {0, 0, 0x320, 0x10, 16, 4}, + {1, 4, 0x3a0, 0x10, 16, 4}, + {5, 5, 0x320, 0x10, 0, 4}, + {6, 6, 0x300, 0x10, 4, 4}, + {7, 7, 0x300, 0x10, 4, 4}, + {8, 9, 0x350, 0x10, 20, 4}, + {10, 10, 0x300, 0x10, 8, 4}, + {11, 11, 0x300, 0x10, 8, 4}, + {12, 12, 0x300, 0x10, 8, 4}, + {13, 13, 0x300, 0x10, 8, 4}, + {14, 15, 0x320, 0x10, 4, 4}, + {16, 17, 0x320, 0x10, 20, 4}, + {18, 21, 0x310, 0x10, 16, 4}, + {22, 22, 0x380, 0x10, 16, 4}, + {23, 23, 0x300, 0x10, 24, 4}, + {24, 24, 0x300, 0x10, 24, 4}, + {25, 25, 0x300, 0x10, 12, 4}, + {25, 25, 0x300, 0x10, 12, 4}, + {26, 26, 0x300, 0x10, 12, 4}, + {27, 27, 0x300, 0x10, 12, 4}, + {28, 28, 0x300, 0x10, 12, 4}, + {29, 29, 0x300, 0x10, 12, 4}, + {30, 30, 0x300, 0x10, 12, 4}, + {31, 31, 0x300, 0x10, 12, 4}, + {32, 32, 0x300, 0x10, 12, 4}, + {33, 33, 0x300, 0x10, 12, 4}, + {34, 34, 0x300, 0x10, 12, 4}, + {35, 35, 0x300, 0x10, 12, 4}, + {36, 36, 0x300, 0x10, 12, 4}, + {37, 37, 0x300, 0x10, 20, 4}, + {38, 38, 0x300, 0x10, 20, 4}, + {39, 39, 0x300, 0x10, 20, 4}, + {40, 40, 0x300, 0x10, 20, 4}, + {41, 41, 0x300, 0x10, 20, 4}, + {42, 42, 0x300, 0x10, 20, 4}, + {43, 43, 0x300, 0x10, 20, 4}, + {44, 44, 0x300, 0x10, 20, 4}, + {45, 46, 0x300, 0x10, 20, 4}, + {47, 47, 0x300, 0x10, 20, 4}, + {48, 48, 0x300, 0x10, 20, 4}, + {49, 49, 0x300, 0x10, 20, 4}, + {50, 50, 0x300, 0x10, 20, 4}, + {51, 70, 0x330, 0x10, 4, 4}, + {71, 71, 0x300, 0x10, 16, 4}, + {72, 72, 0x300, 0x10, 16, 4}, + {73, 76, 0x310, 0x10, 0, 4}, + {77, 77, 0x320, 0x10, 28, 4}, + {78, 78, 0x320, 0x10, 12, 4}, + {79, 82, 0x3a0, 0x10, 0, 4}, + {83, 83, 0x350, 0x10, 28, 4}, + {84, 84, 0x330, 0x10, 0, 4}, + {85, 90, 0x360, 0x10, 4, 4}, + {91, 94, 0x390, 0x10, 16, 4}, + {95, 97, 0x380, 0x10, 20, 4}, + {98, 101, 0x390, 0x10, 0, 4}, + {102, 102, 0x360, 0x10, 0, 4}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_dir_range[] = { + {0, 102, 0x0, 0x10, 0, 1}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_di_range[] = { + {0, 102, 0x200, 0x10, 0, 1}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_do_range[] = { + {0, 102, 0x100, 0x10, 0, 1}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_sr_range[] = { + {0, 31, 0x910, 0x10, 0, 1}, + {32, 50, 0xa10, 0x10, 0, 1}, + {51, 70, 0x810, 0x10, 0, 1}, + {71, 72, 0xb10, 0x10, 0, 1}, + {73, 86, 0xb10, 0x10, 4, 1}, + {87, 90, 0xc10, 0x10, 0, 1}, + {91, 102, 0xb10, 0x10, 18, 1}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_smt_range[] = { + {0, 31, 0x920, 0x10, 0, 1}, + {32, 50, 0xa20, 0x10, 0, 1}, + {51, 70, 0x820, 0x10, 0, 1}, + {71, 72, 0xb20, 0x10, 0, 1}, + {73, 86, 0xb20, 0x10, 4, 1}, + {87, 90, 0xc20, 0x10, 0, 1}, + {91, 102, 0xb20, 0x10, 18, 1}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_pu_range[] = { + {0, 31, 0x930, 0x10, 0, 1}, + {32, 50, 0xa30, 0x10, 0, 1}, + {51, 70, 0x830, 0x10, 0, 1}, + {71, 72, 0xb30, 0x10, 0, 1}, + {73, 86, 0xb30, 0x10, 4, 1}, + {87, 90, 0xc30, 0x10, 0, 1}, + {91, 102, 0xb30, 0x10, 18, 1}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_pd_range[] = { + {0, 31, 0x940, 0x10, 0, 1}, + {32, 50, 0xa40, 0x10, 0, 1}, + {51, 70, 0x840, 0x10, 0, 1}, + {71, 72, 0xb40, 0x10, 0, 1}, + {73, 86, 0xb40, 0x10, 4, 1}, + {87, 90, 0xc40, 0x10, 0, 1}, + {91, 102, 0xb40, 0x10, 18, 1}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_e4_range[] = { + {0, 31, 0x960, 0x10, 0, 1}, + {32, 50, 0xa60, 0x10, 0, 1}, + {51, 70, 0x860, 0x10, 0, 1}, + {71, 72, 0xb60, 0x10, 0, 1}, + {73, 86, 0xb60, 0x10, 4, 1}, + {87, 90, 0xc60, 0x10, 0, 1}, + {91, 102, 0xb60, 0x10, 18, 1}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_e8_range[] = { + {0, 31, 0x970, 0x10, 0, 1}, + {32, 50, 0xa70, 0x10, 0, 1}, + {51, 70, 0x870, 0x10, 0, 1}, + {71, 72, 0xb70, 0x10, 0, 1}, + {73, 86, 0xb70, 0x10, 4, 1}, + {87, 90, 0xc70, 0x10, 0, 1}, + {91, 102, 0xb70, 0x10, 18, 1}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_tdsel_range[] = { + {0, 31, 0x980, 0x4, 0, 4}, + {32, 50, 0xa80, 0x4, 0, 4}, + {51, 70, 0x880, 0x4, 0, 4}, + {71, 72, 0xb80, 0x4, 0, 4}, + {73, 86, 0xb80, 0x4, 16, 4}, + {87, 90, 0xc80, 0x4, 0, 4}, + {91, 102, 0xb88, 0x4, 8, 4}, +}; + +static const struct mtk_pin_field_calc mt7622_pin_rdsel_range[] = { + {0, 31, 0x990, 0x4, 0, 6}, + {32, 50, 0xa90, 0x4, 0, 6}, + {51, 58, 0x890, 0x4, 0, 6}, + {59, 60, 0x894, 0x4, 28, 6}, + {61, 62, 0x894, 0x4, 16, 6}, + {63, 66, 0x898, 0x4, 8, 6}, + {67, 68, 0x89c, 0x4, 12, 6}, + {69, 70, 0x89c, 0x4, 0, 6}, + {71, 72, 0xb90, 0x4, 0, 6}, + {73, 86, 0xb90, 0x4, 24, 6}, + {87, 90, 0xc90, 0x4, 0, 6}, + {91, 102, 0xb9c, 0x4, 12, 6}, +}; + +static const struct mtk_pin_reg_calc mt7622_reg_cals[PINCTRL_PIN_REG_MAX] = { + [PINCTRL_PIN_REG_MODE] = MTK_RANGE(mt7622_pin_mode_range), + [PINCTRL_PIN_REG_DIR] = MTK_RANGE(mt7622_pin_dir_range), + [PINCTRL_PIN_REG_DI] = MTK_RANGE(mt7622_pin_di_range), + [PINCTRL_PIN_REG_DO] = MTK_RANGE(mt7622_pin_do_range), + [PINCTRL_PIN_REG_SR] = MTK_RANGE(mt7622_pin_sr_range), + [PINCTRL_PIN_REG_SMT] = MTK_RANGE(mt7622_pin_smt_range), + [PINCTRL_PIN_REG_PU] = MTK_RANGE(mt7622_pin_pu_range), + [PINCTRL_PIN_REG_PD] = MTK_RANGE(mt7622_pin_pd_range), + [PINCTRL_PIN_REG_E4] = MTK_RANGE(mt7622_pin_e4_range), + [PINCTRL_PIN_REG_E8] = MTK_RANGE(mt7622_pin_e8_range), + [PINCTRL_PIN_REG_TDSEL] = MTK_RANGE(mt7622_pin_tdsel_range), + [PINCTRL_PIN_REG_RDSEL] = MTK_RANGE(mt7622_pin_rdsel_range), +}; + +static const struct pinctrl_pin_desc mt7622_pins[] = { + PINCTRL_PIN(0, "GPIO_A"), + PINCTRL_PIN(1, "I2S1_IN"), + PINCTRL_PIN(2, "I2S1_OUT"), + PINCTRL_PIN(3, "I2S_BCLK"), + PINCTRL_PIN(4, "I2S_WS"), + PINCTRL_PIN(5, "I2S_MCLK"), + PINCTRL_PIN(6, "TXD0"), + PINCTRL_PIN(7, "RXD0"), + PINCTRL_PIN(8, "SPI_WP"), + PINCTRL_PIN(9, "SPI_HOLD"), + PINCTRL_PIN(10, "SPI_CLK"), + PINCTRL_PIN(11, "SPI_MOSI"), + PINCTRL_PIN(12, "SPI_MISO"), + PINCTRL_PIN(13, "SPI_CS"), + PINCTRL_PIN(14, "I2C_SDA"), + PINCTRL_PIN(15, "I2C_SCL"), + PINCTRL_PIN(16, "I2S2_IN"), + PINCTRL_PIN(17, "I2S3_IN"), + PINCTRL_PIN(18, "I2S4_IN"), + PINCTRL_PIN(19, "I2S2_OUT"), + PINCTRL_PIN(20, "I2S3_OUT"), + PINCTRL_PIN(21, "I2S4_OUT"), + PINCTRL_PIN(22, "GPIO_B"), + PINCTRL_PIN(23, "MDC"), + PINCTRL_PIN(24, "MDIO"), + PINCTRL_PIN(25, "G2_TXD0"), + PINCTRL_PIN(26, "G2_TXD1"), + PINCTRL_PIN(27, "G2_TXD2"), + PINCTRL_PIN(28, "G2_TXD3"), + PINCTRL_PIN(29, "G2_TXEN"), + PINCTRL_PIN(30, "G2_TXC"), + PINCTRL_PIN(31, "G2_RXD0"), + PINCTRL_PIN(32, "G2_RXD1"), + PINCTRL_PIN(33, "G2_RXD2"), + PINCTRL_PIN(34, "G2_RXD3"), + PINCTRL_PIN(35, "G2_RXDV"), + PINCTRL_PIN(36, "G2_RXC"), + PINCTRL_PIN(37, "NCEB"), + PINCTRL_PIN(38, "NWEB"), + PINCTRL_PIN(39, "NREB"), + PINCTRL_PIN(40, "NDL4"), + PINCTRL_PIN(41, "NDL5"), + PINCTRL_PIN(42, "NDL6"), + PINCTRL_PIN(43, "NDL7"), + PINCTRL_PIN(44, "NRB"), + PINCTRL_PIN(45, "NCLE"), + PINCTRL_PIN(46, "NALE"), + PINCTRL_PIN(47, "NDL0"), + PINCTRL_PIN(48, "NDL1"), + PINCTRL_PIN(49, "NDL2"), + PINCTRL_PIN(50, "NDL3"), + PINCTRL_PIN(51, "MDI_TP_P0"), + PINCTRL_PIN(52, "MDI_TN_P0"), + PINCTRL_PIN(53, "MDI_RP_P0"), + PINCTRL_PIN(54, "MDI_RN_P0"), + PINCTRL_PIN(55, "MDI_TP_P1"), + PINCTRL_PIN(56, "MDI_TN_P1"), + PINCTRL_PIN(57, "MDI_RP_P1"), + PINCTRL_PIN(58, "MDI_RN_P1"), + PINCTRL_PIN(59, "MDI_RP_P2"), + PINCTRL_PIN(60, "MDI_RN_P2"), + PINCTRL_PIN(61, "MDI_TP_P2"), + PINCTRL_PIN(62, "MDI_TN_P2"), + PINCTRL_PIN(63, "MDI_TP_P3"), + PINCTRL_PIN(64, "MDI_TN_P3"), + PINCTRL_PIN(65, "MDI_RP_P3"), + PINCTRL_PIN(66, "MDI_RN_P3"), + PINCTRL_PIN(67, "MDI_RP_P4"), + PINCTRL_PIN(68, "MDI_RN_P4"), + PINCTRL_PIN(69, "MDI_TP_P4"), + PINCTRL_PIN(70, "MDI_TN_P4"), + PINCTRL_PIN(71, "PMIC_SCL"), + PINCTRL_PIN(72, "PMIC_SDA"), + PINCTRL_PIN(73, "SPIC1_CLK"), + PINCTRL_PIN(74, "SPIC1_MOSI"), + PINCTRL_PIN(75, "SPIC1_MISO"), + PINCTRL_PIN(76, "SPIC1_CS"), + PINCTRL_PIN(77, "GPIO_D"), + PINCTRL_PIN(78, "WATCHDOG"), + PINCTRL_PIN(79, "RTS3_N"), + PINCTRL_PIN(80, "CTS3_N"), + PINCTRL_PIN(81, "TXD3"), + PINCTRL_PIN(82, "RXD3"), + PINCTRL_PIN(83, "PERST0_N"), + PINCTRL_PIN(84, "PERST1_N"), + PINCTRL_PIN(85, "WLED_N"), + PINCTRL_PIN(86, "EPHY_LED0_N"), + PINCTRL_PIN(87, "AUXIN0"), + PINCTRL_PIN(88, "AUXIN1"), + PINCTRL_PIN(89, "AUXIN2"), + PINCTRL_PIN(90, "AUXIN3"), + PINCTRL_PIN(91, "TXD4"), + PINCTRL_PIN(92, "RXD4"), + PINCTRL_PIN(93, "RTS4_N"), + PINCTRL_PIN(94, "CTS4_N"), + PINCTRL_PIN(95, "PWM1"), + PINCTRL_PIN(96, "PWM2"), + PINCTRL_PIN(97, "PWM3"), + PINCTRL_PIN(98, "PWM4"), + PINCTRL_PIN(99, "PWM5"), + PINCTRL_PIN(100, "PWM6"), + PINCTRL_PIN(101, "PWM7"), + PINCTRL_PIN(102, "GPIO_E"), +}; + +/* List all groups consisting of these pins dedicated to the enablement of + * certain hardware block and the corresponding mode for all of the pins. The + * hardware probably has multiple combinations of these pinouts. + */ + +/* EMMC */ +static int mt7622_emmc_pins[] = { 40, 41, 42, 43, 44, 45, 47, 48, 49, 50, }; +static int mt7622_emmc_funcs[] = { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, }; + +static int mt7622_emmc_rst_pins[] = { 37, }; +static int mt7622_emmc_rst_funcs[] = { 1, }; + +/* LED for EPHY */ +static int mt7622_ephy_leds_pins[] = { 86, 91, 92, 93, 94, }; +static int mt7622_ephy_leds_funcs[] = { 0, 0, 0, 0, 0, }; +static int mt7622_ephy0_led_pins[] = { 86, }; +static int mt7622_ephy0_led_funcs[] = { 0, }; +static int mt7622_ephy1_led_pins[] = { 91, }; +static int mt7622_ephy1_led_funcs[] = { 2, }; +static int mt7622_ephy2_led_pins[] = { 92, }; +static int mt7622_ephy2_led_funcs[] = { 2, }; +static int mt7622_ephy3_led_pins[] = { 93, }; +static int mt7622_ephy3_led_funcs[] = { 2, }; +static int mt7622_ephy4_led_pins[] = { 94, }; +static int mt7622_ephy4_led_funcs[] = { 2, }; + +/* Embedded Switch */ +static int mt7622_esw_pins[] = { 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, + 62, 63, 64, 65, 66, 67, 68, 69, 70, }; +static int mt7622_esw_funcs[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, }; +static int mt7622_esw_p0_p1_pins[] = { 51, 52, 53, 54, 55, 56, 57, 58, }; +static int mt7622_esw_p0_p1_funcs[] = { 0, 0, 0, 0, 0, 0, 0, 0, }; +static int mt7622_esw_p2_p3_p4_pins[] = { 59, 60, 61, 62, 63, 64, 65, 66, 67, + 68, 69, 70, }; +static int mt7622_esw_p2_p3_p4_funcs[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, }; +/* RGMII via ESW */ +static int mt7622_rgmii_via_esw_pins[] = { 59, 60, 61, 62, 63, 64, 65, 66, + 67, 68, 69, 70, }; +static int mt7622_rgmii_via_esw_funcs[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, }; + +/* RGMII via GMAC1 */ +static int mt7622_rgmii_via_gmac1_pins[] = { 59, 60, 61, 62, 63, 64, 65, 66, + 67, 68, 69, 70, }; +static int mt7622_rgmii_via_gmac1_funcs[] = { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, }; + +/* RGMII via GMAC2 */ +static int mt7622_rgmii_via_gmac2_pins[] = { 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, }; +static int mt7622_rgmii_via_gmac2_funcs[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, }; + +/* I2C */ +static int mt7622_i2c0_pins[] = { 14, 15, }; +static int mt7622_i2c0_funcs[] = { 0, 0, }; +static int mt7622_i2c1_0_pins[] = { 55, 56, }; +static int mt7622_i2c1_0_funcs[] = { 0, 0, }; +static int mt7622_i2c1_1_pins[] = { 73, 74, }; +static int mt7622_i2c1_1_funcs[] = { 3, 3, }; +static int mt7622_i2c1_2_pins[] = { 87, 88, }; +static int mt7622_i2c1_2_funcs[] = { 0, 0, }; +static int mt7622_i2c2_0_pins[] = { 57, 58, }; +static int mt7622_i2c2_0_funcs[] = { 0, 0, }; +static int mt7622_i2c2_1_pins[] = { 75, 76, }; +static int mt7622_i2c2_1_funcs[] = { 3, 3, }; +static int mt7622_i2c2_2_pins[] = { 89, 90, }; +static int mt7622_i2c2_2_funcs[] = { 0, 0, }; + +/* I2S */ +static int mt7622_i2s_in_mclk_bclk_ws_pins[] = { 3, 4, 5, }; +static int mt7622_i2s_in_mclk_bclk_ws_funcs[] = { 3, 3, 0, }; +static int mt7622_i2s1_in_data_pins[] = { 1, }; +static int mt7622_i2s1_in_data_funcs[] = { 0, }; +static int mt7622_i2s2_in_data_pins[] = { 16, }; +static int mt7622_i2s2_in_data_funcs[] = { 0, }; +static int mt7622_i2s3_in_data_pins[] = { 17, }; +static int mt7622_i2s3_in_data_funcs[] = { 0, }; +static int mt7622_i2s4_in_data_pins[] = { 18, }; +static int mt7622_i2s4_in_data_funcs[] = { 0, }; +static int mt7622_i2s_out_mclk_bclk_ws_pins[] = { 3, 4, 5, }; +static int mt7622_i2s_out_mclk_bclk_ws_funcs[] = { 0, 0, 0, }; +static int mt7622_i2s1_out_data_pins[] = { 2, }; +static int mt7622_i2s1_out_data_funcs[] = { 0, }; +static int mt7622_i2s2_out_data_pins[] = { 19, }; +static int mt7622_i2s2_out_data_funcs[] = { 0, }; +static int mt7622_i2s3_out_data_pins[] = { 20, }; +static int mt7622_i2s3_out_data_funcs[] = { 0, }; +static int mt7622_i2s4_out_data_pins[] = { 21, }; +static int mt7622_i2s4_out_data_funcs[] = { 0, }; + +/* IR */ +static int mt7622_ir_0_tx_pins[] = { 16, }; +static int mt7622_ir_0_tx_funcs[] = { 4, }; +static int mt7622_ir_1_tx_pins[] = { 59, }; +static int mt7622_ir_1_tx_funcs[] = { 5, }; +static int mt7622_ir_2_tx_pins[] = { 99, }; +static int mt7622_ir_2_tx_funcs[] = { 3, }; +static int mt7622_ir_0_rx_pins[] = { 17, }; +static int mt7622_ir_0_rx_funcs[] = { 4, }; +static int mt7622_ir_1_rx_pins[] = { 60, }; +static int mt7622_ir_1_rx_funcs[] = { 5, }; +static int mt7622_ir_2_rx_pins[] = { 100, }; +static int mt7622_ir_2_rx_funcs[] = { 3, }; + +/* MDIO */ +static int mt7622_mdc_mdio_pins[] = { 23, 24, }; +static int mt7622_mdc_mdio_funcs[] = { 0, 0, }; + +/* PCIE */ +static int mt7622_pcie0_0_waken_pins[] = { 14, }; +static int mt7622_pcie0_0_waken_funcs[] = { 2, }; +static int mt7622_pcie0_0_clkreq_pins[] = { 15, }; +static int mt7622_pcie0_0_clkreq_funcs[] = { 2, }; +static int mt7622_pcie0_1_waken_pins[] = { 79, }; +static int mt7622_pcie0_1_waken_funcs[] = { 4, }; +static int mt7622_pcie0_1_clkreq_pins[] = { 80, }; +static int mt7622_pcie0_1_clkreq_funcs[] = { 4, }; +static int mt7622_pcie1_0_waken_pins[] = { 14, }; +static int mt7622_pcie1_0_waken_funcs[] = { 3, }; +static int mt7622_pcie1_0_clkreq_pins[] = { 15, }; +static int mt7622_pcie1_0_clkreq_funcs[] = { 3, }; + +static int mt7622_pcie0_pad_perst_pins[] = { 83, }; +static int mt7622_pcie0_pad_perst_funcs[] = { 0, }; +static int mt7622_pcie1_pad_perst_pins[] = { 84, }; +static int mt7622_pcie1_pad_perst_funcs[] = { 0, }; + +/* PMIC bus */ +static int mt7622_pmic_bus_pins[] = { 71, 72, }; +static int mt7622_pmic_bus_funcs[] = { 0, 0, }; + +/* Parallel NAND */ +static int mt7622_pnand_pins[] = { 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, }; +static int mt7622_pnand_funcs[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, }; + +/* PWM */ +static int mt7622_pwm_ch1_0_pins[] = { 51, }; +static int mt7622_pwm_ch1_0_funcs[] = { 3, }; +static int mt7622_pwm_ch1_1_pins[] = { 73, }; +static int mt7622_pwm_ch1_1_funcs[] = { 4, }; +static int mt7622_pwm_ch1_2_pins[] = { 95, }; +static int mt7622_pwm_ch1_2_funcs[] = { 0, }; +static int mt7622_pwm_ch2_0_pins[] = { 52, }; +static int mt7622_pwm_ch2_0_funcs[] = { 3, }; +static int mt7622_pwm_ch2_1_pins[] = { 74, }; +static int mt7622_pwm_ch2_1_funcs[] = { 4, }; +static int mt7622_pwm_ch2_2_pins[] = { 96, }; +static int mt7622_pwm_ch2_2_funcs[] = { 0, }; +static int mt7622_pwm_ch3_0_pins[] = { 53, }; +static int mt7622_pwm_ch3_0_funcs[] = { 3, }; +static int mt7622_pwm_ch3_1_pins[] = { 75, }; +static int mt7622_pwm_ch3_1_funcs[] = { 4, }; +static int mt7622_pwm_ch3_2_pins[] = { 97, }; +static int mt7622_pwm_ch3_2_funcs[] = { 0, }; +static int mt7622_pwm_ch4_0_pins[] = { 54, }; +static int mt7622_pwm_ch4_0_funcs[] = { 3, }; +static int mt7622_pwm_ch4_1_pins[] = { 67, }; +static int mt7622_pwm_ch4_1_funcs[] = { 3, }; +static int mt7622_pwm_ch4_2_pins[] = { 76, }; +static int mt7622_pwm_ch4_2_funcs[] = { 4, }; +static int mt7622_pwm_ch4_3_pins[] = { 98, }; +static int mt7622_pwm_ch4_3_funcs[] = { 0, }; +static int mt7622_pwm_ch5_0_pins[] = { 68, }; +static int mt7622_pwm_ch5_0_funcs[] = { 3, }; +static int mt7622_pwm_ch5_1_pins[] = { 77, }; +static int mt7622_pwm_ch5_1_funcs[] = { 4, }; +static int mt7622_pwm_ch5_2_pins[] = { 99, }; +static int mt7622_pwm_ch5_2_funcs[] = { 0, }; +static int mt7622_pwm_ch6_0_pins[] = { 69, }; +static int mt7622_pwm_ch6_0_funcs[] = { 3, }; +static int mt7622_pwm_ch6_1_pins[] = { 78, }; +static int mt7622_pwm_ch6_1_funcs[] = { 4, }; +static int mt7622_pwm_ch6_2_pins[] = { 81, }; +static int mt7622_pwm_ch6_2_funcs[] = { 4, }; +static int mt7622_pwm_ch6_3_pins[] = { 100, }; +static int mt7622_pwm_ch6_3_funcs[] = { 0, }; +static int mt7622_pwm_ch7_0_pins[] = { 70, }; +static int mt7622_pwm_ch7_0_funcs[] = { 3, }; +static int mt7622_pwm_ch7_1_pins[] = { 82, }; +static int mt7622_pwm_ch7_1_funcs[] = { 4, }; +static int mt7622_pwm_ch7_2_pins[] = { 101, }; +static int mt7622_pwm_ch7_2_funcs[] = { 0, }; + +/* SD */ +static int mt7622_sd_0_pins[] = { 16, 17, 18, 19, 20, 21, }; +static int mt7622_sd_0_funcs[] = { 2, 2, 2, 2, 2, 2, }; +static int mt7622_sd_1_pins[] = { 25, 26, 27, 28, 29, 30, }; +static int mt7622_sd_1_funcs[] = { 2, 2, 2, 2, 2, 2, }; + +/* Serial NAND */ +static int mt7622_snfi_pins[] = { 8, 9, 10, 11, 12, 13, }; +static int mt7622_snfi_funcs[] = { 2, 2, 2, 2, 2, 2, }; + +/* SPI NOR */ +static int mt7622_spi_pins[] = { 8, 9, 10, 11, 12, 13 }; +static int mt7622_spi_funcs[] = { 0, 0, 0, 0, 0, 0, }; + +/* SPIC */ +static int mt7622_spic0_0_pins[] = { 63, 64, 65, 66, }; +static int mt7622_spic0_0_funcs[] = { 4, 4, 4, 4, }; +static int mt7622_spic0_1_pins[] = { 79, 80, 81, 82, }; +static int mt7622_spic0_1_funcs[] = { 3, 3, 3, 3, }; +static int mt7622_spic1_0_pins[] = { 67, 68, 69, 70, }; +static int mt7622_spic1_0_funcs[] = { 4, 4, 4, 4, }; +static int mt7622_spic1_1_pins[] = { 73, 74, 75, 76, }; +static int mt7622_spic1_1_funcs[] = { 0, 0, 0, 0, }; +static int mt7622_spic2_0_pins[] = { 10, 11, 12, 13, }; +static int mt7622_spic2_0_funcs[] = { 0, 0, 0, 0, }; +static int mt7622_spic2_0_wp_hold_pins[] = { 8, 9, }; +static int mt7622_spic2_0_wp_hold_funcs[] = { 0, 0, }; + +/* TDM */ +static int mt7622_tdm_0_out_mclk_bclk_ws_pins[] = { 8, 9, 10, }; +static int mt7622_tdm_0_out_mclk_bclk_ws_funcs[] = { 3, 3, 3, }; +static int mt7622_tdm_0_in_mclk_bclk_ws_pins[] = { 11, 12, 13, }; +static int mt7622_tdm_0_in_mclk_bclk_ws_funcs[] = { 3, 3, 3, }; +static int mt7622_tdm_0_out_data_pins[] = { 20, }; +static int mt7622_tdm_0_out_data_funcs[] = { 3, }; +static int mt7622_tdm_0_in_data_pins[] = { 21, }; +static int mt7622_tdm_0_in_data_funcs[] = { 3, }; +static int mt7622_tdm_1_out_mclk_bclk_ws_pins[] = { 57, 58, 59, }; +static int mt7622_tdm_1_out_mclk_bclk_ws_funcs[] = { 3, 3, 3, }; +static int mt7622_tdm_1_in_mclk_bclk_ws_pins[] = { 60, 61, 62, }; +static int mt7622_tdm_1_in_mclk_bclk_ws_funcs[] = { 3, 3, 3, }; +static int mt7622_tdm_1_out_data_pins[] = { 55, }; +static int mt7622_tdm_1_out_data_funcs[] = { 3, }; +static int mt7622_tdm_1_in_data_pins[] = { 56, }; +static int mt7622_tdm_1_in_data_funcs[] = { 3, }; + +/* UART */ +static int mt7622_uart0_0_tx_rx_pins[] = { 6, 7, }; +static int mt7622_uart0_0_tx_rx_funcs[] = { 0, 0, }; +static int mt7622_uart1_0_tx_rx_pins[] = { 55, 56, }; +static int mt7622_uart1_0_tx_rx_funcs[] = { 2, 2, }; +static int mt7622_uart1_0_rts_cts_pins[] = { 57, 58, }; +static int mt7622_uart1_0_rts_cts_funcs[] = { 2, 2, }; +static int mt7622_uart1_1_tx_rx_pins[] = { 73, 74, }; +static int mt7622_uart1_1_tx_rx_funcs[] = { 2, 2, }; +static int mt7622_uart1_1_rts_cts_pins[] = { 75, 76, }; +static int mt7622_uart1_1_rts_cts_funcs[] = { 2, 2, }; +static int mt7622_uart2_0_tx_rx_pins[] = { 3, 4, }; +static int mt7622_uart2_0_tx_rx_funcs[] = { 2, 2, }; +static int mt7622_uart2_0_rts_cts_pins[] = { 1, 2, }; +static int mt7622_uart2_0_rts_cts_funcs[] = { 2, 2, }; +static int mt7622_uart2_1_tx_rx_pins[] = { 51, 52, }; +static int mt7622_uart2_1_tx_rx_funcs[] = { 0, 0, }; +static int mt7622_uart2_1_rts_cts_pins[] = { 53, 54, }; +static int mt7622_uart2_1_rts_cts_funcs[] = { 0, 0, }; +static int mt7622_uart2_2_tx_rx_pins[] = { 59, 60, }; +static int mt7622_uart2_2_tx_rx_funcs[] = { 4, 4, }; +static int mt7622_uart2_2_rts_cts_pins[] = { 61, 62, }; +static int mt7622_uart2_2_rts_cts_funcs[] = { 4, 4, }; +static int mt7622_uart2_3_tx_rx_pins[] = { 95, 96, }; +static int mt7622_uart2_3_tx_rx_funcs[] = { 3, 3, }; +static int mt7622_uart3_0_tx_rx_pins[] = { 57, 58, }; +static int mt7622_uart3_0_tx_rx_funcs[] = { 5, 5, }; +static int mt7622_uart3_1_tx_rx_pins[] = { 81, 82, }; +static int mt7622_uart3_1_tx_rx_funcs[] = { 0, 0, }; +static int mt7622_uart3_1_rts_cts_pins[] = { 79, 80, }; +static int mt7622_uart3_1_rts_cts_funcs[] = { 0, 0, }; +static int mt7622_uart4_0_tx_rx_pins[] = { 61, 62, }; +static int mt7622_uart4_0_tx_rx_funcs[] = { 5, 5, }; +static int mt7622_uart4_1_tx_rx_pins[] = { 91, 92, }; +static int mt7622_uart4_1_tx_rx_funcs[] = { 0, 0, }; +static int mt7622_uart4_1_rts_cts_pins[] = { 93, 94 }; +static int mt7622_uart4_1_rts_cts_funcs[] = { 0, 0, }; +static int mt7622_uart4_2_tx_rx_pins[] = { 97, 98, }; +static int mt7622_uart4_2_tx_rx_funcs[] = { 2, 2, }; +static int mt7622_uart4_2_rts_cts_pins[] = { 95, 96 }; +static int mt7622_uart4_2_rts_cts_funcs[] = { 2, 2, }; + +/* Watchdog */ +static int mt7622_watchdog_pins[] = { 78, }; +static int mt7622_watchdog_funcs[] = { 0, }; + +/* WLAN LED */ +static int mt7622_wled_pins[] = { 85, }; +static int mt7622_wled_funcs[] = { 0, }; + +static const struct group_desc mt7622_groups[] = { + PINCTRL_PIN_GROUP("emmc", mt7622_emmc), + PINCTRL_PIN_GROUP("emmc_rst", mt7622_emmc_rst), + PINCTRL_PIN_GROUP("ephy_leds", mt7622_ephy_leds), + PINCTRL_PIN_GROUP("ephy0_led", mt7622_ephy0_led), + PINCTRL_PIN_GROUP("ephy1_led", mt7622_ephy1_led), + PINCTRL_PIN_GROUP("ephy2_led", mt7622_ephy2_led), + PINCTRL_PIN_GROUP("ephy3_led", mt7622_ephy3_led), + PINCTRL_PIN_GROUP("ephy4_led", mt7622_ephy4_led), + PINCTRL_PIN_GROUP("esw", mt7622_esw), + PINCTRL_PIN_GROUP("esw_p0_p1", mt7622_esw_p0_p1), + PINCTRL_PIN_GROUP("esw_p2_p3_p4", mt7622_esw_p2_p3_p4), + PINCTRL_PIN_GROUP("rgmii_via_esw", mt7622_rgmii_via_esw), + PINCTRL_PIN_GROUP("rgmii_via_gmac1", mt7622_rgmii_via_gmac1), + PINCTRL_PIN_GROUP("rgmii_via_gmac2", mt7622_rgmii_via_gmac2), + PINCTRL_PIN_GROUP("i2c0", mt7622_i2c0), + PINCTRL_PIN_GROUP("i2c1_0", mt7622_i2c1_0), + PINCTRL_PIN_GROUP("i2c1_1", mt7622_i2c1_1), + PINCTRL_PIN_GROUP("i2c1_2", mt7622_i2c1_2), + PINCTRL_PIN_GROUP("i2c2_0", mt7622_i2c2_0), + PINCTRL_PIN_GROUP("i2c2_1", mt7622_i2c2_1), + PINCTRL_PIN_GROUP("i2c2_2", mt7622_i2c2_2), + PINCTRL_PIN_GROUP("i2s_out_mclk_bclk_ws", mt7622_i2s_out_mclk_bclk_ws), + PINCTRL_PIN_GROUP("i2s_in_mclk_bclk_ws", mt7622_i2s_in_mclk_bclk_ws), + PINCTRL_PIN_GROUP("i2s1_in_data", mt7622_i2s1_in_data), + PINCTRL_PIN_GROUP("i2s2_in_data", mt7622_i2s2_in_data), + PINCTRL_PIN_GROUP("i2s3_in_data", mt7622_i2s3_in_data), + PINCTRL_PIN_GROUP("i2s4_in_data", mt7622_i2s4_in_data), + PINCTRL_PIN_GROUP("i2s1_out_data", mt7622_i2s1_out_data), + PINCTRL_PIN_GROUP("i2s2_out_data", mt7622_i2s2_out_data), + PINCTRL_PIN_GROUP("i2s3_out_data", mt7622_i2s3_out_data), + PINCTRL_PIN_GROUP("i2s4_out_data", mt7622_i2s4_out_data), + PINCTRL_PIN_GROUP("ir_0_tx", mt7622_ir_0_tx), + PINCTRL_PIN_GROUP("ir_1_tx", mt7622_ir_1_tx), + PINCTRL_PIN_GROUP("ir_2_tx", mt7622_ir_2_tx), + PINCTRL_PIN_GROUP("ir_0_rx", mt7622_ir_0_rx), + PINCTRL_PIN_GROUP("ir_1_rx", mt7622_ir_1_rx), + PINCTRL_PIN_GROUP("ir_2_rx", mt7622_ir_2_rx), + PINCTRL_PIN_GROUP("mdc_mdio", mt7622_mdc_mdio), + PINCTRL_PIN_GROUP("pcie0_0_waken", mt7622_pcie0_0_waken), + PINCTRL_PIN_GROUP("pcie0_0_clkreq", mt7622_pcie0_0_clkreq), + PINCTRL_PIN_GROUP("pcie0_1_waken", mt7622_pcie0_1_waken), + PINCTRL_PIN_GROUP("pcie0_1_clkreq", mt7622_pcie0_1_clkreq), + PINCTRL_PIN_GROUP("pcie1_0_waken", mt7622_pcie1_0_waken), + PINCTRL_PIN_GROUP("pcie1_0_clkreq", mt7622_pcie1_0_clkreq), + PINCTRL_PIN_GROUP("pcie0_pad_perst", mt7622_pcie0_pad_perst), + PINCTRL_PIN_GROUP("pcie1_pad_perst", mt7622_pcie1_pad_perst), + PINCTRL_PIN_GROUP("par_nand", mt7622_pnand), + PINCTRL_PIN_GROUP("pmic_bus", mt7622_pmic_bus), + PINCTRL_PIN_GROUP("pwm_ch1_0", mt7622_pwm_ch1_0), + PINCTRL_PIN_GROUP("pwm_ch1_1", mt7622_pwm_ch1_1), + PINCTRL_PIN_GROUP("pwm_ch1_2", mt7622_pwm_ch1_2), + PINCTRL_PIN_GROUP("pwm_ch2_0", mt7622_pwm_ch2_0), + PINCTRL_PIN_GROUP("pwm_ch2_1", mt7622_pwm_ch2_1), + PINCTRL_PIN_GROUP("pwm_ch2_2", mt7622_pwm_ch2_2), + PINCTRL_PIN_GROUP("pwm_ch3_0", mt7622_pwm_ch3_0), + PINCTRL_PIN_GROUP("pwm_ch3_1", mt7622_pwm_ch3_1), + PINCTRL_PIN_GROUP("pwm_ch3_2", mt7622_pwm_ch3_2), + PINCTRL_PIN_GROUP("pwm_ch4_0", mt7622_pwm_ch4_0), + PINCTRL_PIN_GROUP("pwm_ch4_1", mt7622_pwm_ch4_1), + PINCTRL_PIN_GROUP("pwm_ch4_2", mt7622_pwm_ch4_2), + PINCTRL_PIN_GROUP("pwm_ch4_3", mt7622_pwm_ch4_3), + PINCTRL_PIN_GROUP("pwm_ch5_0", mt7622_pwm_ch5_0), + PINCTRL_PIN_GROUP("pwm_ch5_1", mt7622_pwm_ch5_1), + PINCTRL_PIN_GROUP("pwm_ch5_2", mt7622_pwm_ch5_2), + PINCTRL_PIN_GROUP("pwm_ch6_0", mt7622_pwm_ch6_0), + PINCTRL_PIN_GROUP("pwm_ch6_1", mt7622_pwm_ch6_1), + PINCTRL_PIN_GROUP("pwm_ch6_2", mt7622_pwm_ch6_2), + PINCTRL_PIN_GROUP("pwm_ch6_3", mt7622_pwm_ch6_3), + PINCTRL_PIN_GROUP("pwm_ch7_0", mt7622_pwm_ch7_0), + PINCTRL_PIN_GROUP("pwm_ch7_1", mt7622_pwm_ch7_1), + PINCTRL_PIN_GROUP("pwm_ch7_2", mt7622_pwm_ch7_2), + PINCTRL_PIN_GROUP("sd_0", mt7622_sd_0), + PINCTRL_PIN_GROUP("sd_1", mt7622_sd_1), + PINCTRL_PIN_GROUP("snfi", mt7622_snfi), + PINCTRL_PIN_GROUP("spi_nor", mt7622_spi), + PINCTRL_PIN_GROUP("spic0_0", mt7622_spic0_0), + PINCTRL_PIN_GROUP("spic0_1", mt7622_spic0_1), + PINCTRL_PIN_GROUP("spic1_0", mt7622_spic1_0), + PINCTRL_PIN_GROUP("spic1_1", mt7622_spic1_1), + PINCTRL_PIN_GROUP("spic2_0", mt7622_spic2_0), + PINCTRL_PIN_GROUP("spic2_0_wp_hold", mt7622_spic2_0_wp_hold), + PINCTRL_PIN_GROUP("tdm_0_out_mclk_bclk_ws", + mt7622_tdm_0_out_mclk_bclk_ws), + PINCTRL_PIN_GROUP("tdm_0_in_mclk_bclk_ws", + mt7622_tdm_0_in_mclk_bclk_ws), + PINCTRL_PIN_GROUP("tdm_0_out_data", mt7622_tdm_0_out_data), + PINCTRL_PIN_GROUP("tdm_0_in_data", mt7622_tdm_0_in_data), + PINCTRL_PIN_GROUP("tdm_1_out_mclk_bclk_ws", + mt7622_tdm_1_out_mclk_bclk_ws), + PINCTRL_PIN_GROUP("tdm_1_in_mclk_bclk_ws", + mt7622_tdm_1_in_mclk_bclk_ws), + PINCTRL_PIN_GROUP("tdm_1_out_data", mt7622_tdm_1_out_data), + PINCTRL_PIN_GROUP("tdm_1_in_data", mt7622_tdm_1_in_data), + PINCTRL_PIN_GROUP("uart0_0_tx_rx", mt7622_uart0_0_tx_rx), + PINCTRL_PIN_GROUP("uart1_0_tx_rx", mt7622_uart1_0_tx_rx), + PINCTRL_PIN_GROUP("uart1_0_rts_cts", mt7622_uart1_0_rts_cts), + PINCTRL_PIN_GROUP("uart1_1_tx_rx", mt7622_uart1_1_tx_rx), + PINCTRL_PIN_GROUP("uart1_1_rts_cts", mt7622_uart1_1_rts_cts), + PINCTRL_PIN_GROUP("uart2_0_tx_rx", mt7622_uart2_0_tx_rx), + PINCTRL_PIN_GROUP("uart2_0_rts_cts", mt7622_uart2_0_rts_cts), + PINCTRL_PIN_GROUP("uart2_1_tx_rx", mt7622_uart2_1_tx_rx), + PINCTRL_PIN_GROUP("uart2_1_rts_cts", mt7622_uart2_1_rts_cts), + PINCTRL_PIN_GROUP("uart2_2_tx_rx", mt7622_uart2_2_tx_rx), + PINCTRL_PIN_GROUP("uart2_2_rts_cts", mt7622_uart2_2_rts_cts), + PINCTRL_PIN_GROUP("uart2_3_tx_rx", mt7622_uart2_3_tx_rx), + PINCTRL_PIN_GROUP("uart3_0_tx_rx", mt7622_uart3_0_tx_rx), + PINCTRL_PIN_GROUP("uart3_1_tx_rx", mt7622_uart3_1_tx_rx), + PINCTRL_PIN_GROUP("uart3_1_rts_cts", mt7622_uart3_1_rts_cts), + PINCTRL_PIN_GROUP("uart4_0_tx_rx", mt7622_uart4_0_tx_rx), + PINCTRL_PIN_GROUP("uart4_1_tx_rx", mt7622_uart4_1_tx_rx), + PINCTRL_PIN_GROUP("uart4_1_rts_cts", mt7622_uart4_1_rts_cts), + PINCTRL_PIN_GROUP("uart4_2_tx_rx", mt7622_uart4_2_tx_rx), + PINCTRL_PIN_GROUP("uart4_2_rts_cts", mt7622_uart4_2_rts_cts), + PINCTRL_PIN_GROUP("watchdog", mt7622_watchdog), + PINCTRL_PIN_GROUP("wled", mt7622_wled), +}; + +/* Joint those groups owning the same capability in user point of view which + * allows that people tend to use through the device tree. + */ +static const char *mt7622_emmc_groups[] = { "emmc", "emmc_rst", }; +static const char *mt7622_ethernet_groups[] = { "esw", "esw_p0_p1", + "esw_p2_p3_p4", "mdc_mdio", + "rgmii_via_gmac1", + "rgmii_via_gmac2", + "rgmii_via_esw", }; +static const char *mt7622_i2c_groups[] = { "i2c0", "i2c1_0", "i2c1_1", + "i2c1_2", "i2c2_0", "i2c2_1", + "i2c2_2", }; +static const char *mt7622_i2s_groups[] = { "i2s_out_mclk_bclk_ws", + "i2s_in_mclk_bclk_ws", + "i2s1_in_data", "i2s2_in_data", + "i2s3_in_data", "i2s4_in_data", + "i2s1_out_data", "i2s2_out_data", + "i2s3_out_data", "i2s4_out_data", }; +static const char *mt7622_ir_groups[] = { "ir_0_tx", "ir_1_tx", "ir_2_tx", + "ir_0_rx", "ir_1_rx", "ir_2_rx"}; +static const char *mt7622_led_groups[] = { "ephy_leds", "ephy0_led", + "ephy1_led", "ephy2_led", + "ephy3_led", "ephy4_led", + "wled", }; +static const char *mt7622_flash_groups[] = { "par_nand", "snfi", "spi_nor"}; +static const char *mt7622_pcie_groups[] = { "pcie0_0_waken", "pcie0_0_clkreq", + "pcie0_1_waken", "pcie0_1_clkreq", + "pcie1_0_waken", "pcie1_0_clkreq", + "pcie0_pad_perst", + "pcie1_pad_perst", }; +static const char *mt7622_pmic_bus_groups[] = { "pmic_bus", }; +static const char *mt7622_pwm_groups[] = { "pwm_ch1_0", "pwm_ch1_1", + "pwm_ch1_2", "pwm_ch2_0", + "pwm_ch2_1", "pwm_ch2_2", + "pwm_ch3_0", "pwm_ch3_1", + "pwm_ch3_2", "pwm_ch4_0", + "pwm_ch4_1", "pwm_ch4_2", + "pwm_ch4_3", "pwm_ch5_0", + "pwm_ch5_1", "pwm_ch5_2", + "pwm_ch6_0", "pwm_ch6_1", + "pwm_ch6_2", "pwm_ch6_3", + "pwm_ch7_0", "pwm_ch7_1", + "pwm_ch7_2", }; +static const char *mt7622_sd_groups[] = { "sd_0", "sd_1", }; +static const char *mt7622_spic_groups[] = { "spic0_0", "spic0_1", "spic1_0", + "spic1_1", "spic2_0", + "spic2_0_wp_hold", }; +static const char *mt7622_tdm_groups[] = { "tdm_0_out_mclk_bclk_ws", + "tdm_0_in_mclk_bclk_ws", + "tdm_0_out_data", + "tdm_0_in_data", + "tdm_1_out_mclk_bclk_ws", + "tdm_1_in_mclk_bclk_ws", + "tdm_1_out_data", + "tdm_1_in_data", }; + +static const char *mt7622_uart_groups[] = { "uart0_0_tx_rx", + "uart1_0_tx_rx", "uart1_0_rts_cts", + "uart1_1_tx_rx", "uart1_1_rts_cts", + "uart2_0_tx_rx", "uart2_0_rts_cts", + "uart2_1_tx_rx", "uart2_1_rts_cts", + "uart2_2_tx_rx", "uart2_2_rts_cts", + "uart2_3_tx_rx", + "uart3_0_tx_rx", + "uart3_1_tx_rx", "uart3_1_rts_cts", + "uart4_0_tx_rx", + "uart4_1_tx_rx", "uart4_1_rts_cts", + "uart4_2_tx_rx", + "uart4_2_rts_cts",}; +static const char *mt7622_wdt_groups[] = { "watchdog", }; + +static const struct function_desc mt7622_functions[] = { + {"emmc", mt7622_emmc_groups, ARRAY_SIZE(mt7622_emmc_groups)}, + {"eth", mt7622_ethernet_groups, ARRAY_SIZE(mt7622_ethernet_groups)}, + {"i2c", mt7622_i2c_groups, ARRAY_SIZE(mt7622_i2c_groups)}, + {"i2s", mt7622_i2s_groups, ARRAY_SIZE(mt7622_i2s_groups)}, + {"ir", mt7622_ir_groups, ARRAY_SIZE(mt7622_ir_groups)}, + {"led", mt7622_led_groups, ARRAY_SIZE(mt7622_led_groups)}, + {"flash", mt7622_flash_groups, ARRAY_SIZE(mt7622_flash_groups)}, + {"pcie", mt7622_pcie_groups, ARRAY_SIZE(mt7622_pcie_groups)}, + {"pmic", mt7622_pmic_bus_groups, ARRAY_SIZE(mt7622_pmic_bus_groups)}, + {"pwm", mt7622_pwm_groups, ARRAY_SIZE(mt7622_pwm_groups)}, + {"sd", mt7622_sd_groups, ARRAY_SIZE(mt7622_sd_groups)}, + {"spi", mt7622_spic_groups, ARRAY_SIZE(mt7622_spic_groups)}, + {"tdm", mt7622_tdm_groups, ARRAY_SIZE(mt7622_tdm_groups)}, + {"uart", mt7622_uart_groups, ARRAY_SIZE(mt7622_uart_groups)}, + {"watchdog", mt7622_wdt_groups, ARRAY_SIZE(mt7622_wdt_groups)}, +}; + +static const struct pinconf_generic_params mtk_custom_bindings[] = { + {"mediatek,tdsel", MTK_PIN_CONFIG_TDSEL, 0}, + {"mediatek,rdsel", MTK_PIN_CONFIG_RDSEL, 0}, +}; + +#ifdef CONFIG_DEBUG_FS +static const struct pin_config_item mtk_conf_items[] = { + PCONFDUMP(MTK_PIN_CONFIG_TDSEL, "tdsel", NULL, true), + PCONFDUMP(MTK_PIN_CONFIG_RDSEL, "rdsel", NULL, true), +}; +#endif + +static const struct mtk_eint_hw mt7622_eint_hw = { + .port_mask = 7, + .ports = 7, + .ap_num = ARRAY_SIZE(mt7622_pins), + .db_cnt = 20, +}; + +static const struct mtk_pin_soc mt7622_data = { + .reg_cal = mt7622_reg_cals, + .pins = mt7622_pins, + .npins = ARRAY_SIZE(mt7622_pins), + .grps = mt7622_groups, + .ngrps = ARRAY_SIZE(mt7622_groups), + .funcs = mt7622_functions, + .nfuncs = ARRAY_SIZE(mt7622_functions), + .eint_hw = &mt7622_eint_hw, +}; + +static void mtk_w32(struct mtk_pinctrl *pctl, u32 reg, u32 val) +{ + writel_relaxed(val, pctl->base + reg); +} + +static u32 mtk_r32(struct mtk_pinctrl *pctl, u32 reg) +{ + return readl_relaxed(pctl->base + reg); +} + +static void mtk_rmw(struct mtk_pinctrl *pctl, u32 reg, u32 mask, u32 set) +{ + u32 val; + + val = mtk_r32(pctl, reg); + val &= ~mask; + val |= set; + mtk_w32(pctl, reg, val); +} + +static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw, int pin, + const struct mtk_pin_reg_calc *rc, + struct mtk_pin_field *pfd) +{ + const struct mtk_pin_field_calc *c, *e; + u32 bits; + + c = rc->range; + e = c + rc->nranges; + + while (c < e) { + if (pin >= c->s_pin && pin <= c->e_pin) + break; + c++; + } + + if (c >= e) { + dev_err(hw->dev, "Out of range for pin = %d\n", pin); + return -EINVAL; + } + + /* Caculated bits as the overall offset the pin is located at */ + bits = c->s_bit + (pin - c->s_pin) * (c->x_bits); + + /* Fill pfd from bits and 32-bit register applied is assumed */ + pfd->offset = c->s_addr + c->x_addrs * (bits / 32); + pfd->bitpos = bits % 32; + pfd->mask = (1 << c->x_bits) - 1; + + /* pfd->next is used for indicating that bit wrapping-around happens + * which requires the manipulation for bit 0 starting in the next + * register to form the complete field read/write. + */ + pfd->next = pfd->bitpos + c->x_bits - 1 > 31 ? c->x_addrs : 0; + + return 0; +} + +static int mtk_hw_pin_field_get(struct mtk_pinctrl *hw, int pin, + int field, struct mtk_pin_field *pfd) +{ + const struct mtk_pin_reg_calc *rc; + + if (field < 0 || field >= PINCTRL_PIN_REG_MAX) { + dev_err(hw->dev, "Invalid Field %d\n", field); + return -EINVAL; + } + + if (hw->soc->reg_cal && hw->soc->reg_cal[field].range) { + rc = &hw->soc->reg_cal[field]; + } else { + dev_err(hw->dev, "Undefined range for field %d\n", field); + return -EINVAL; + } + + return mtk_hw_pin_field_lookup(hw, pin, rc, pfd); +} + +static void mtk_hw_bits_part(struct mtk_pin_field *pf, int *h, int *l) +{ + *l = 32 - pf->bitpos; + *h = get_count_order(pf->mask) - *l; +} + +static void mtk_hw_write_cross_field(struct mtk_pinctrl *hw, + struct mtk_pin_field *pf, int value) +{ + int nbits_l, nbits_h; + + mtk_hw_bits_part(pf, &nbits_h, &nbits_l); + + mtk_rmw(hw, pf->offset, pf->mask << pf->bitpos, + (value & pf->mask) << pf->bitpos); + + mtk_rmw(hw, pf->offset + pf->next, BIT(nbits_h) - 1, + (value & pf->mask) >> nbits_l); +} + +static void mtk_hw_read_cross_field(struct mtk_pinctrl *hw, + struct mtk_pin_field *pf, int *value) +{ + int nbits_l, nbits_h, h, l; + + mtk_hw_bits_part(pf, &nbits_h, &nbits_l); + + l = (mtk_r32(hw, pf->offset) >> pf->bitpos) & (BIT(nbits_l) - 1); + h = (mtk_r32(hw, pf->offset + pf->next)) & (BIT(nbits_h) - 1); + + *value = (h << nbits_l) | l; +} + +static int mtk_hw_set_value(struct mtk_pinctrl *hw, int pin, int field, + int value) +{ + struct mtk_pin_field pf; + int err; + + err = mtk_hw_pin_field_get(hw, pin, field, &pf); + if (err) + return err; + + if (!pf.next) + mtk_rmw(hw, pf.offset, pf.mask << pf.bitpos, + (value & pf.mask) << pf.bitpos); + else + mtk_hw_write_cross_field(hw, &pf, value); + + return 0; +} + +static int mtk_hw_get_value(struct mtk_pinctrl *hw, int pin, int field, + int *value) +{ + struct mtk_pin_field pf; + int err; + + err = mtk_hw_pin_field_get(hw, pin, field, &pf); + if (err) + return err; + + if (!pf.next) + *value = (mtk_r32(hw, pf.offset) >> pf.bitpos) & pf.mask; + else + mtk_hw_read_cross_field(hw, &pf, value); + + return 0; +} + +static int mtk_pinmux_set_mux(struct pinctrl_dev *pctldev, + unsigned int selector, unsigned int group) +{ + struct mtk_pinctrl *hw = pinctrl_dev_get_drvdata(pctldev); + struct function_desc *func; + struct group_desc *grp; + int i; + + func = pinmux_generic_get_function(pctldev, selector); + if (!func) + return -EINVAL; + + grp = pinctrl_generic_get_group(pctldev, group); + if (!grp) + return -EINVAL; + + dev_dbg(pctldev->dev, "enable function %s group %s\n", + func->name, grp->name); + + for (i = 0; i < grp->num_pins; i++) { + int *pin_modes = grp->data; + + mtk_hw_set_value(hw, grp->pins[i], PINCTRL_PIN_REG_MODE, + pin_modes[i]); + } + + return 0; +} + +static int mtk_pinmux_gpio_request_enable(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned int pin) +{ + struct mtk_pinctrl *hw = pinctrl_dev_get_drvdata(pctldev); + + return mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_MODE, MTK_GPIO_MODE); +} + +static int mtk_pinmux_gpio_set_direction(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned int pin, bool input) +{ + struct mtk_pinctrl *hw = pinctrl_dev_get_drvdata(pctldev); + + /* hardware would take 0 as input direction */ + return mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR, !input); +} + +static int mtk_pinconf_get(struct pinctrl_dev *pctldev, + unsigned int pin, unsigned long *config) +{ + struct mtk_pinctrl *hw = pinctrl_dev_get_drvdata(pctldev); + u32 param = pinconf_to_config_param(*config); + int val, val2, err, reg, ret = 1; + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_PU, &val); + if (err) + return err; + + err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_PD, &val2); + if (err) + return err; + + if (val || val2) + return -EINVAL; + + break; + case PIN_CONFIG_BIAS_PULL_UP: + case PIN_CONFIG_BIAS_PULL_DOWN: + case PIN_CONFIG_SLEW_RATE: + reg = (param == PIN_CONFIG_BIAS_PULL_UP) ? + PINCTRL_PIN_REG_PU : + (param == PIN_CONFIG_BIAS_PULL_DOWN) ? + PINCTRL_PIN_REG_PD : PINCTRL_PIN_REG_SR; + + err = mtk_hw_get_value(hw, pin, reg, &val); + if (err) + return err; + + if (!val) + return -EINVAL; + + break; + case PIN_CONFIG_INPUT_ENABLE: + case PIN_CONFIG_OUTPUT_ENABLE: + err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_DIR, &val); + if (err) + return err; + + /* HW takes input mode as zero; output mode as non-zero */ + if ((val && param == PIN_CONFIG_INPUT_ENABLE) || + (!val && param == PIN_CONFIG_OUTPUT_ENABLE)) + return -EINVAL; + + break; + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_DIR, &val); + if (err) + return err; + + err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_SMT, &val2); + if (err) + return err; + + if (val || !val2) + return -EINVAL; + + break; + case PIN_CONFIG_DRIVE_STRENGTH: + err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_E4, &val); + if (err) + return err; + + err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_E8, &val2); + if (err) + return err; + + /* 4mA when (e8, e4) = (0, 0); 8mA when (e8, e4) = (0, 1) + * 12mA when (e8, e4) = (1, 0); 16mA when (e8, e4) = (1, 1) + */ + ret = ((val2 << 1) + val + 1) * 4; + + break; + case MTK_PIN_CONFIG_TDSEL: + case MTK_PIN_CONFIG_RDSEL: + reg = (param == MTK_PIN_CONFIG_TDSEL) ? + PINCTRL_PIN_REG_TDSEL : PINCTRL_PIN_REG_RDSEL; + + err = mtk_hw_get_value(hw, pin, reg, &val); + if (err) + return err; + + ret = val; + + break; + default: + return -ENOTSUPP; + } + + *config = pinconf_to_config_packed(param, ret); + + return 0; +} + +static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, + unsigned long *configs, unsigned int num_configs) +{ + struct mtk_pinctrl *hw = pinctrl_dev_get_drvdata(pctldev); + u32 reg, param, arg; + int cfg, err = 0; + + for (cfg = 0; cfg < num_configs; cfg++) { + param = pinconf_to_config_param(configs[cfg]); + arg = pinconf_to_config_argument(configs[cfg]); + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + case PIN_CONFIG_BIAS_PULL_UP: + case PIN_CONFIG_BIAS_PULL_DOWN: + arg = (param == PIN_CONFIG_BIAS_DISABLE) ? 0 : + (param == PIN_CONFIG_BIAS_PULL_UP) ? 1 : 2; + + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_PU, + arg & 1); + if (err) + goto err; + + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_PD, + !!(arg & 2)); + if (err) + goto err; + break; + case PIN_CONFIG_OUTPUT_ENABLE: + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_SMT, + MTK_DISABLE); + if (err) + goto err; + /* else: fall through */ + case PIN_CONFIG_INPUT_ENABLE: + case PIN_CONFIG_SLEW_RATE: + reg = (param == PIN_CONFIG_SLEW_RATE) ? + PINCTRL_PIN_REG_SR : PINCTRL_PIN_REG_DIR; + + arg = (param == PIN_CONFIG_INPUT_ENABLE) ? 0 : + (param == PIN_CONFIG_OUTPUT_ENABLE) ? 1 : arg; + err = mtk_hw_set_value(hw, pin, reg, arg); + if (err) + goto err; + + break; + case PIN_CONFIG_OUTPUT: + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR, + MTK_OUTPUT); + if (err) + goto err; + + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DO, + arg); + if (err) + goto err; + break; + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + /* arg = 1: Input mode & SMT enable ; + * arg = 0: Output mode & SMT disable + */ + arg = arg ? 2 : 1; + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR, + arg & 1); + if (err) + goto err; + + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_SMT, + !!(arg & 2)); + if (err) + goto err; + break; + case PIN_CONFIG_DRIVE_STRENGTH: + /* 4mA when (e8, e4) = (0, 0); + * 8mA when (e8, e4) = (0, 1); + * 12mA when (e8, e4) = (1, 0); + * 16mA when (e8, e4) = (1, 1) + */ + if (!(arg % 4) && (arg >= 4 && arg <= 16)) { + arg = arg / 4 - 1; + err = mtk_hw_set_value(hw, pin, + PINCTRL_PIN_REG_E4, + arg & 0x1); + if (err) + goto err; + + err = mtk_hw_set_value(hw, pin, + PINCTRL_PIN_REG_E8, + (arg & 0x2) >> 1); + if (err) + goto err; + } else { + err = -ENOTSUPP; + } + break; + case MTK_PIN_CONFIG_TDSEL: + case MTK_PIN_CONFIG_RDSEL: + reg = (param == MTK_PIN_CONFIG_TDSEL) ? + PINCTRL_PIN_REG_TDSEL : PINCTRL_PIN_REG_RDSEL; + + err = mtk_hw_set_value(hw, pin, reg, arg); + if (err) + goto err; + break; + default: + err = -ENOTSUPP; + } + } +err: + return err; +} + +static int mtk_pinconf_group_get(struct pinctrl_dev *pctldev, + unsigned int group, unsigned long *config) +{ + const unsigned int *pins; + unsigned int i, npins, old = 0; + int ret; + + ret = pinctrl_generic_get_group_pins(pctldev, group, &pins, &npins); + if (ret) + return ret; + + for (i = 0; i < npins; i++) { + if (mtk_pinconf_get(pctldev, pins[i], config)) + return -ENOTSUPP; + + /* configs do not match between two pins */ + if (i && old != *config) + return -ENOTSUPP; + + old = *config; + } + + return 0; +} + +static int mtk_pinconf_group_set(struct pinctrl_dev *pctldev, + unsigned int group, unsigned long *configs, + unsigned int num_configs) +{ + const unsigned int *pins; + unsigned int i, npins; + int ret; + + ret = pinctrl_generic_get_group_pins(pctldev, group, &pins, &npins); + if (ret) + return ret; + + for (i = 0; i < npins; i++) { + ret = mtk_pinconf_set(pctldev, pins[i], configs, num_configs); + if (ret) + return ret; + } + + return 0; +} + +static const struct pinctrl_ops mtk_pctlops = { + .get_groups_count = pinctrl_generic_get_group_count, + .get_group_name = pinctrl_generic_get_group_name, + .get_group_pins = pinctrl_generic_get_group_pins, + .dt_node_to_map = pinconf_generic_dt_node_to_map_all, + .dt_free_map = pinconf_generic_dt_free_map, +}; + +static const struct pinmux_ops mtk_pmxops = { + .get_functions_count = pinmux_generic_get_function_count, + .get_function_name = pinmux_generic_get_function_name, + .get_function_groups = pinmux_generic_get_function_groups, + .set_mux = mtk_pinmux_set_mux, + .gpio_request_enable = mtk_pinmux_gpio_request_enable, + .gpio_set_direction = mtk_pinmux_gpio_set_direction, + .strict = true, +}; + +static const struct pinconf_ops mtk_confops = { + .is_generic = true, + .pin_config_get = mtk_pinconf_get, + .pin_config_set = mtk_pinconf_set, + .pin_config_group_get = mtk_pinconf_group_get, + .pin_config_group_set = mtk_pinconf_group_set, + .pin_config_config_dbg_show = pinconf_generic_dump_config, +}; + +static struct pinctrl_desc mtk_desc = { + .name = PINCTRL_PINCTRL_DEV, + .pctlops = &mtk_pctlops, + .pmxops = &mtk_pmxops, + .confops = &mtk_confops, + .owner = THIS_MODULE, +}; + +static int mtk_gpio_get(struct gpio_chip *chip, unsigned int gpio) +{ + struct mtk_pinctrl *hw = gpiochip_get_data(chip); + int value, err; + + err = mtk_hw_get_value(hw, gpio, PINCTRL_PIN_REG_DI, &value); + if (err) + return err; + + return !!value; +} + +static void mtk_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value) +{ + struct mtk_pinctrl *hw = gpiochip_get_data(chip); + + mtk_hw_set_value(hw, gpio, PINCTRL_PIN_REG_DO, !!value); +} + +static int mtk_gpio_direction_input(struct gpio_chip *chip, unsigned int gpio) +{ + return pinctrl_gpio_direction_input(chip->base + gpio); +} + +static int mtk_gpio_direction_output(struct gpio_chip *chip, unsigned int gpio, + int value) +{ + mtk_gpio_set(chip, gpio, value); + + return pinctrl_gpio_direction_output(chip->base + gpio); +} + +static int mtk_gpio_to_irq(struct gpio_chip *chip, unsigned int offset) +{ + struct mtk_pinctrl *hw = gpiochip_get_data(chip); + unsigned long eint_n; + + if (!hw->eint) + return -ENOTSUPP; + + eint_n = offset; + + return mtk_eint_find_irq(hw->eint, eint_n); +} + +static int mtk_gpio_set_config(struct gpio_chip *chip, unsigned int offset, + unsigned long config) +{ + struct mtk_pinctrl *hw = gpiochip_get_data(chip); + unsigned long eint_n; + u32 debounce; + + if (!hw->eint || + pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); + eint_n = offset; + + return mtk_eint_set_debounce(hw->eint, eint_n, debounce); +} + +static int mtk_build_gpiochip(struct mtk_pinctrl *hw, struct device_node *np) +{ + struct gpio_chip *chip = &hw->chip; + int ret; + + chip->label = PINCTRL_PINCTRL_DEV; + chip->parent = hw->dev; + chip->request = gpiochip_generic_request; + chip->free = gpiochip_generic_free; + chip->direction_input = mtk_gpio_direction_input; + chip->direction_output = mtk_gpio_direction_output; + chip->get = mtk_gpio_get; + chip->set = mtk_gpio_set; + chip->to_irq = mtk_gpio_to_irq, + chip->set_config = mtk_gpio_set_config, + chip->base = -1; + chip->ngpio = hw->soc->npins; + chip->of_node = np; + chip->of_gpio_n_cells = 2; + + ret = gpiochip_add_data(chip, hw); + if (ret < 0) + return ret; + + /* Just for backward compatible for these old pinctrl nodes without + * "gpio-ranges" property. Otherwise, called directly from a + * DeviceTree-supported pinctrl driver is DEPRECATED. + * Please see Section 2.1 of + * Documentation/devicetree/bindings/gpio/gpio.txt on how to + * bind pinctrl and gpio drivers via the "gpio-ranges" property. + */ + if (!of_find_property(np, "gpio-ranges", NULL)) { + ret = gpiochip_add_pin_range(chip, dev_name(hw->dev), 0, 0, + chip->ngpio); + if (ret < 0) { + gpiochip_remove(chip); + return ret; + } + } + + return 0; +} + +static int mtk_build_groups(struct mtk_pinctrl *hw) +{ + int err, i; + + for (i = 0; i < hw->soc->ngrps; i++) { + const struct group_desc *group = hw->soc->grps + i; + + err = pinctrl_generic_add_group(hw->pctrl, group->name, + group->pins, group->num_pins, + group->data); + if (err < 0) { + dev_err(hw->dev, "Failed to register group %s\n", + group->name); + return err; + } + } + + return 0; +} + +static int mtk_build_functions(struct mtk_pinctrl *hw) +{ + int i, err; + + for (i = 0; i < hw->soc->nfuncs ; i++) { + const struct function_desc *func = hw->soc->funcs + i; + + err = pinmux_generic_add_function(hw->pctrl, func->name, + func->group_names, + func->num_group_names, + func->data); + if (err < 0) { + dev_err(hw->dev, "Failed to register function %s\n", + func->name); + return err; + } + } + + return 0; +} + +static int mtk_xt_get_gpio_n(void *data, unsigned long eint_n, + unsigned int *gpio_n, + struct gpio_chip **gpio_chip) +{ + struct mtk_pinctrl *hw = (struct mtk_pinctrl *)data; + + *gpio_chip = &hw->chip; + *gpio_n = eint_n; + + return 0; +} + +static int mtk_xt_get_gpio_state(void *data, unsigned long eint_n) +{ + struct mtk_pinctrl *hw = (struct mtk_pinctrl *)data; + struct gpio_chip *gpio_chip; + unsigned int gpio_n; + int err; + + err = mtk_xt_get_gpio_n(hw, eint_n, &gpio_n, &gpio_chip); + if (err) + return err; + + return mtk_gpio_get(gpio_chip, gpio_n); +} + +static int mtk_xt_set_gpio_as_eint(void *data, unsigned long eint_n) +{ + struct mtk_pinctrl *hw = (struct mtk_pinctrl *)data; + struct gpio_chip *gpio_chip; + unsigned int gpio_n; + int err; + + err = mtk_xt_get_gpio_n(hw, eint_n, &gpio_n, &gpio_chip); + if (err) + return err; + + err = mtk_hw_set_value(hw, gpio_n, PINCTRL_PIN_REG_MODE, + MTK_GPIO_MODE); + if (err) + return err; + + err = mtk_hw_set_value(hw, gpio_n, PINCTRL_PIN_REG_DIR, MTK_INPUT); + if (err) + return err; + + err = mtk_hw_set_value(hw, gpio_n, PINCTRL_PIN_REG_SMT, MTK_ENABLE); + if (err) + return err; + + return 0; +} + +static const struct mtk_eint_xt mtk_eint_xt = { + .get_gpio_n = mtk_xt_get_gpio_n, + .get_gpio_state = mtk_xt_get_gpio_state, + .set_gpio_as_eint = mtk_xt_set_gpio_as_eint, +}; + +static int +mtk_build_eint(struct mtk_pinctrl *hw, struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct resource *res; + + if (!IS_ENABLED(CONFIG_EINT_MTK)) + return 0; + + if (!of_property_read_bool(np, "interrupt-controller")) + return -ENODEV; + + hw->eint = devm_kzalloc(hw->dev, sizeof(*hw->eint), GFP_KERNEL); + if (!hw->eint) + return -ENOMEM; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "eint"); + if (!res) { + dev_err(&pdev->dev, "Unable to get eint resource\n"); + return -ENODEV; + } + + hw->eint->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(hw->eint->base)) + return PTR_ERR(hw->eint->base); + + hw->eint->irq = irq_of_parse_and_map(np, 0); + if (!hw->eint->irq) + return -EINVAL; + + hw->eint->dev = &pdev->dev; + hw->eint->hw = hw->soc->eint_hw; + hw->eint->pctl = hw; + hw->eint->gpio_xlate = &mtk_eint_xt; + + return mtk_eint_do_init(hw->eint); +} + +static const struct of_device_id mtk_pinctrl_of_match[] = { + { .compatible = "mediatek,mt7622-pinctrl", .data = &mt7622_data}, + { } +}; + +static int mtk_pinctrl_probe(struct platform_device *pdev) +{ + struct resource *res; + struct mtk_pinctrl *hw; + const struct of_device_id *of_id = + of_match_device(mtk_pinctrl_of_match, &pdev->dev); + int err; + + hw = devm_kzalloc(&pdev->dev, sizeof(*hw), GFP_KERNEL); + if (!hw) + return -ENOMEM; + + hw->soc = of_id->data; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "missing IO resource\n"); + return -ENXIO; + } + + hw->dev = &pdev->dev; + hw->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(hw->base)) + return PTR_ERR(hw->base); + + /* Setup pins descriptions per SoC types */ + mtk_desc.pins = hw->soc->pins; + mtk_desc.npins = hw->soc->npins; + mtk_desc.num_custom_params = ARRAY_SIZE(mtk_custom_bindings); + mtk_desc.custom_params = mtk_custom_bindings; +#ifdef CONFIG_DEBUG_FS + mtk_desc.custom_conf_items = mtk_conf_items; +#endif + + err = devm_pinctrl_register_and_init(&pdev->dev, &mtk_desc, hw, + &hw->pctrl); + if (err) + return err; + + /* Setup groups descriptions per SoC types */ + err = mtk_build_groups(hw); + if (err) { + dev_err(&pdev->dev, "Failed to build groups\n"); + return err; + } + + /* Setup functions descriptions per SoC types */ + err = mtk_build_functions(hw); + if (err) { + dev_err(&pdev->dev, "Failed to build functions\n"); + return err; + } + + /* For able to make pinctrl_claim_hogs, we must not enable pinctrl + * until all groups and functions are being added one. + */ + err = pinctrl_enable(hw->pctrl); + if (err) + return err; + + err = mtk_build_eint(hw, pdev); + if (err) + dev_warn(&pdev->dev, + "Failed to add EINT, but pinctrl still can work\n"); + + /* Build gpiochip should be after pinctrl_enable is done */ + err = mtk_build_gpiochip(hw, pdev->dev.of_node); + if (err) { + dev_err(&pdev->dev, "Failed to add gpio_chip\n"); + return err; + } + + platform_set_drvdata(pdev, hw); + + return 0; +} + +static struct platform_driver mtk_pinctrl_driver = { + .driver = { + .name = "mtk-pinctrl", + .of_match_table = mtk_pinctrl_of_match, + }, + .probe = mtk_pinctrl_probe, +}; + +static int __init mtk_pinctrl_init(void) +{ + return platform_driver_register(&mtk_pinctrl_driver); +} +arch_initcall(mtk_pinctrl_init); |