--- /dev/null
+/*
+ * 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_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"
+
+#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;
+};
+
+struct mtk_pinctrl {
+       struct pinctrl_dev              *pctrl;
+       void __iomem                    *base;
+       struct device                   *dev;
+       struct gpio_chip                chip;
+       const struct mtk_pin_soc        *soc;
+};
+
+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_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),
+};
+
+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 -EINVAL;
+
+               /* 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 -EINVAL;
+
+               err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_E8, &val2);
+               if (err)
+                       return -EINVAL;
+
+               /* 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 -EINVAL;
+
+               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;
+               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 = dev_get_drvdata(chip->parent);
+       int value;
+
+       mtk_hw_get_value(hw, gpio, PINCTRL_PIN_REG_DI, &value);
+
+       return !!value;
+}
+
+static void mtk_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
+{
+       struct mtk_pinctrl *hw = dev_get_drvdata(chip->parent);
+
+       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_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->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;
+
+       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) {
+                       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) {
+                       dev_err(hw->dev, "Failed to register function %s\n",
+                               func->name);
+                       return err;
+               }
+       }
+
+       return 0;
+}
+
+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
+
+       hw->pctrl = devm_pinctrl_register(&pdev->dev, &mtk_desc, hw);
+       if (IS_ERR(hw->pctrl))
+               return PTR_ERR(hw->pctrl);
+
+       /* Setup groups descriptions per SoC types */
+       err = mtk_build_groups(hw);
+       if (err) {
+               dev_err(&pdev->dev, "Failed to build groups\n");
+               return 0;
+       }
+
+       /* Setup functions descriptions per SoC types */
+       err = mtk_build_functions(hw);
+       if (err) {
+               dev_err(&pdev->dev, "Failed to build functions\n");
+               return err;
+       }
+
+       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);