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OpenCloudOS-Kernel/drivers/pinctrl/mediatek/pinctrl-mt7622.c

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/*
* 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;
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, 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 = 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_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;
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 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
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;
}
err = mtk_build_eint(hw, pdev);
if (err)
dev_warn(&pdev->dev,
"Failed to add EINT, but pinctrl still can work\n");
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);
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