hc
2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390
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// SPDX-License-Identifier: GPL-2.0-only
/*
 * Pinctrl data for Wondermedia WM8750 SoC
 *
 * Copyright (c) 2013 Tony Prisk <linux@prisktech.co.nz>
 */
 
#include <linux/io.h>
#include <linux/init.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
 
#include "pinctrl-wmt.h"
 
/*
 * Describe the register offsets within the GPIO memory space
 * The dedicated external GPIO's should always be listed in bank 0
 * so they are exported in the 0..31 range which is what users
 * expect.
 *
 * Do not reorder these banks as it will change the pin numbering
 */
static const struct wmt_pinctrl_bank_registers wm8750_banks[] = {
   WMT_PINCTRL_BANK(0x40, 0x80, 0xC0, 0x00, 0x480, 0x4C0),    /* 0 */
   WMT_PINCTRL_BANK(0x44, 0x84, 0xC4, 0x04, 0x484, 0x4C4),    /* 1 */
   WMT_PINCTRL_BANK(0x48, 0x88, 0xC8, 0x08, 0x488, 0x4C8),    /* 2 */
   WMT_PINCTRL_BANK(0x4C, 0x8C, 0xCC, 0x0C, 0x48C, 0x4CC),    /* 3 */
   WMT_PINCTRL_BANK(0x50, 0x90, 0xD0, 0x10, 0x490, 0x4D0),    /* 4 */
   WMT_PINCTRL_BANK(0x54, 0x94, 0xD4, 0x14, 0x494, 0x4D4),    /* 5 */
   WMT_PINCTRL_BANK(0x58, 0x98, 0xD8, 0x18, 0x498, 0x4D8),    /* 6 */
   WMT_PINCTRL_BANK(0x5C, 0x9C, 0xDC, 0x1C, 0x49C, 0x4DC),    /* 7 */
   WMT_PINCTRL_BANK(0x60, 0xA0, 0xE0, 0x20, 0x4A0, 0x4E0),    /* 8 */
   WMT_PINCTRL_BANK(0x70, 0xB0, 0xF0, 0x30, 0x4B0, 0x4F0),    /* 9 */
   WMT_PINCTRL_BANK(0x7C, 0xBC, 0xDC, 0x3C, 0x4BC, 0x4FC),    /* 10 */
};
 
/* Please keep sorted by bank/bit */
#define WMT_PIN_EXTGPIO0    WMT_PIN(0, 0)
#define WMT_PIN_EXTGPIO1    WMT_PIN(0, 1)
#define WMT_PIN_EXTGPIO2    WMT_PIN(0, 2)
#define WMT_PIN_EXTGPIO3    WMT_PIN(0, 3)
#define WMT_PIN_EXTGPIO4    WMT_PIN(0, 4)
#define WMT_PIN_EXTGPIO5    WMT_PIN(0, 5)
#define WMT_PIN_EXTGPIO6    WMT_PIN(0, 6)
#define WMT_PIN_EXTGPIO7    WMT_PIN(0, 7)
#define WMT_PIN_WAKEUP0        WMT_PIN(0, 16)
#define WMT_PIN_WAKEUP1        WMT_PIN(0, 17)
#define WMT_PIN_SD0CD        WMT_PIN(0, 28)
#define WMT_PIN_VDOUT0        WMT_PIN(1, 0)
#define WMT_PIN_VDOUT1        WMT_PIN(1, 1)
#define WMT_PIN_VDOUT2        WMT_PIN(1, 2)
#define WMT_PIN_VDOUT3        WMT_PIN(1, 3)
#define WMT_PIN_VDOUT4        WMT_PIN(1, 4)
#define WMT_PIN_VDOUT5        WMT_PIN(1, 5)
#define WMT_PIN_VDOUT6        WMT_PIN(1, 6)
#define WMT_PIN_VDOUT7        WMT_PIN(1, 7)
#define WMT_PIN_VDOUT8        WMT_PIN(1, 8)
#define WMT_PIN_VDOUT9        WMT_PIN(1, 9)
#define WMT_PIN_VDOUT10        WMT_PIN(1, 10)
#define WMT_PIN_VDOUT11        WMT_PIN(1, 11)
#define WMT_PIN_VDOUT12        WMT_PIN(1, 12)
#define WMT_PIN_VDOUT13        WMT_PIN(1, 13)
#define WMT_PIN_VDOUT14        WMT_PIN(1, 14)
#define WMT_PIN_VDOUT15        WMT_PIN(1, 15)
#define WMT_PIN_VDOUT16        WMT_PIN(1, 16)
#define WMT_PIN_VDOUT17        WMT_PIN(1, 17)
#define WMT_PIN_VDOUT18        WMT_PIN(1, 18)
#define WMT_PIN_VDOUT19        WMT_PIN(1, 19)
#define WMT_PIN_VDOUT20        WMT_PIN(1, 20)
#define WMT_PIN_VDOUT21        WMT_PIN(1, 21)
#define WMT_PIN_VDOUT22        WMT_PIN(1, 22)
#define WMT_PIN_VDOUT23        WMT_PIN(1, 23)
#define WMT_PIN_VDIN0        WMT_PIN(2, 0)
#define WMT_PIN_VDIN1        WMT_PIN(2, 1)
#define WMT_PIN_VDIN2        WMT_PIN(2, 2)
#define WMT_PIN_VDIN3        WMT_PIN(2, 3)
#define WMT_PIN_VDIN4        WMT_PIN(2, 4)
#define WMT_PIN_VDIN5        WMT_PIN(2, 5)
#define WMT_PIN_VDIN6        WMT_PIN(2, 6)
#define WMT_PIN_VDIN7        WMT_PIN(2, 7)
#define WMT_PIN_SPI0_MOSI    WMT_PIN(2, 24)
#define WMT_PIN_SPI0_MISO    WMT_PIN(2, 25)
#define WMT_PIN_SPI0_SS        WMT_PIN(2, 26)
#define WMT_PIN_SPI0_CLK    WMT_PIN(2, 27)
#define WMT_PIN_SPI0_SSB    WMT_PIN(2, 28)
#define WMT_PIN_SD0CLK        WMT_PIN(3, 17)
#define WMT_PIN_SD0CMD        WMT_PIN(3, 18)
#define WMT_PIN_SD0WP        WMT_PIN(3, 19)
#define WMT_PIN_SD0DATA0    WMT_PIN(3, 20)
#define WMT_PIN_SD0DATA1    WMT_PIN(3, 21)
#define WMT_PIN_SD0DATA2    WMT_PIN(3, 22)
#define WMT_PIN_SD0DATA3    WMT_PIN(3, 23)
#define WMT_PIN_SD1DATA0    WMT_PIN(3, 24)
#define WMT_PIN_SD1DATA1    WMT_PIN(3, 25)
#define WMT_PIN_SD1DATA2    WMT_PIN(3, 26)
#define WMT_PIN_SD1DATA3    WMT_PIN(3, 27)
#define WMT_PIN_SD1DATA4    WMT_PIN(3, 28)
#define WMT_PIN_SD1DATA5    WMT_PIN(3, 29)
#define WMT_PIN_SD1DATA6    WMT_PIN(3, 30)
#define WMT_PIN_SD1DATA7    WMT_PIN(3, 31)
#define WMT_PIN_I2C0_SCL    WMT_PIN(5, 8)
#define WMT_PIN_I2C0_SDA    WMT_PIN(5, 9)
#define WMT_PIN_I2C1_SCL    WMT_PIN(5, 10)
#define WMT_PIN_I2C1_SDA    WMT_PIN(5, 11)
#define WMT_PIN_I2C2_SCL    WMT_PIN(5, 12)
#define WMT_PIN_I2C2_SDA    WMT_PIN(5, 13)
#define WMT_PIN_UART0_RTS    WMT_PIN(5, 16)
#define WMT_PIN_UART0_TXD    WMT_PIN(5, 17)
#define WMT_PIN_UART0_CTS    WMT_PIN(5, 18)
#define WMT_PIN_UART0_RXD    WMT_PIN(5, 19)
#define WMT_PIN_UART1_RTS    WMT_PIN(5, 20)
#define WMT_PIN_UART1_TXD    WMT_PIN(5, 21)
#define WMT_PIN_UART1_CTS    WMT_PIN(5, 22)
#define WMT_PIN_UART1_RXD    WMT_PIN(5, 23)
#define WMT_PIN_UART2_RTS    WMT_PIN(5, 24)
#define WMT_PIN_UART2_TXD    WMT_PIN(5, 25)
#define WMT_PIN_UART2_CTS    WMT_PIN(5, 26)
#define WMT_PIN_UART2_RXD    WMT_PIN(5, 27)
#define WMT_PIN_UART3_RTS    WMT_PIN(5, 28)
#define WMT_PIN_UART3_TXD    WMT_PIN(5, 29)
#define WMT_PIN_UART3_CTS    WMT_PIN(5, 30)
#define WMT_PIN_UART3_RXD    WMT_PIN(5, 31)
#define WMT_PIN_SD2CD        WMT_PIN(6, 0)
#define WMT_PIN_SD2DATA3    WMT_PIN(6, 1)
#define WMT_PIN_SD2DATA0    WMT_PIN(6, 2)
#define WMT_PIN_SD2WP        WMT_PIN(6, 3)
#define WMT_PIN_SD2DATA1    WMT_PIN(6, 4)
#define WMT_PIN_SD2DATA2    WMT_PIN(6, 5)
#define WMT_PIN_SD2CMD        WMT_PIN(6, 6)
#define WMT_PIN_SD2CLK        WMT_PIN(6, 7)
#define WMT_PIN_SD2PWR        WMT_PIN(6, 9)
#define WMT_PIN_SD1CLK        WMT_PIN(7, 0)
#define WMT_PIN_SD1CMD        WMT_PIN(7, 1)
#define WMT_PIN_SD1PWR        WMT_PIN(7, 10)
#define WMT_PIN_SD1WP        WMT_PIN(7, 11)
#define WMT_PIN_SD1CD        WMT_PIN(7, 12)
#define WMT_PIN_SPI0SS3        WMT_PIN(7, 24)
#define WMT_PIN_SPI0SS2        WMT_PIN(7, 25)
#define WMT_PIN_PWMOUT1        WMT_PIN(7, 26)
#define WMT_PIN_PWMOUT0        WMT_PIN(7, 27)
 
static const struct pinctrl_pin_desc wm8750_pins[] = {
   PINCTRL_PIN(WMT_PIN_EXTGPIO0, "extgpio0"),
   PINCTRL_PIN(WMT_PIN_EXTGPIO1, "extgpio1"),
   PINCTRL_PIN(WMT_PIN_EXTGPIO2, "extgpio2"),
   PINCTRL_PIN(WMT_PIN_EXTGPIO3, "extgpio3"),
   PINCTRL_PIN(WMT_PIN_EXTGPIO4, "extgpio4"),
   PINCTRL_PIN(WMT_PIN_EXTGPIO5, "extgpio5"),
   PINCTRL_PIN(WMT_PIN_EXTGPIO6, "extgpio6"),
   PINCTRL_PIN(WMT_PIN_EXTGPIO7, "extgpio7"),
   PINCTRL_PIN(WMT_PIN_WAKEUP0, "wakeup0"),
   PINCTRL_PIN(WMT_PIN_WAKEUP1, "wakeup1"),
   PINCTRL_PIN(WMT_PIN_SD0CD, "sd0_cd"),
   PINCTRL_PIN(WMT_PIN_VDOUT0, "vdout0"),
   PINCTRL_PIN(WMT_PIN_VDOUT1, "vdout1"),
   PINCTRL_PIN(WMT_PIN_VDOUT2, "vdout2"),
   PINCTRL_PIN(WMT_PIN_VDOUT3, "vdout3"),
   PINCTRL_PIN(WMT_PIN_VDOUT4, "vdout4"),
   PINCTRL_PIN(WMT_PIN_VDOUT5, "vdout5"),
   PINCTRL_PIN(WMT_PIN_VDOUT6, "vdout6"),
   PINCTRL_PIN(WMT_PIN_VDOUT7, "vdout7"),
   PINCTRL_PIN(WMT_PIN_VDOUT8, "vdout8"),
   PINCTRL_PIN(WMT_PIN_VDOUT9, "vdout9"),
   PINCTRL_PIN(WMT_PIN_VDOUT10, "vdout10"),
   PINCTRL_PIN(WMT_PIN_VDOUT11, "vdout11"),
   PINCTRL_PIN(WMT_PIN_VDOUT12, "vdout12"),
   PINCTRL_PIN(WMT_PIN_VDOUT13, "vdout13"),
   PINCTRL_PIN(WMT_PIN_VDOUT14, "vdout14"),
   PINCTRL_PIN(WMT_PIN_VDOUT15, "vdout15"),
   PINCTRL_PIN(WMT_PIN_VDOUT16, "vdout16"),
   PINCTRL_PIN(WMT_PIN_VDOUT17, "vdout17"),
   PINCTRL_PIN(WMT_PIN_VDOUT18, "vdout18"),
   PINCTRL_PIN(WMT_PIN_VDOUT19, "vdout19"),
   PINCTRL_PIN(WMT_PIN_VDOUT20, "vdout20"),
   PINCTRL_PIN(WMT_PIN_VDOUT21, "vdout21"),
   PINCTRL_PIN(WMT_PIN_VDOUT22, "vdout22"),
   PINCTRL_PIN(WMT_PIN_VDOUT23, "vdout23"),
   PINCTRL_PIN(WMT_PIN_VDIN0, "vdin0"),
   PINCTRL_PIN(WMT_PIN_VDIN1, "vdin1"),
   PINCTRL_PIN(WMT_PIN_VDIN2, "vdin2"),
   PINCTRL_PIN(WMT_PIN_VDIN3, "vdin3"),
   PINCTRL_PIN(WMT_PIN_VDIN4, "vdin4"),
   PINCTRL_PIN(WMT_PIN_VDIN5, "vdin5"),
   PINCTRL_PIN(WMT_PIN_VDIN6, "vdin6"),
   PINCTRL_PIN(WMT_PIN_VDIN7, "vdin7"),
   PINCTRL_PIN(WMT_PIN_SPI0_MOSI, "spi0_mosi"),
   PINCTRL_PIN(WMT_PIN_SPI0_MISO, "spi0_miso"),
   PINCTRL_PIN(WMT_PIN_SPI0_SS, "spi0_ss"),
   PINCTRL_PIN(WMT_PIN_SPI0_CLK, "spi0_clk"),
   PINCTRL_PIN(WMT_PIN_SPI0_SSB, "spi0_ssb"),
   PINCTRL_PIN(WMT_PIN_SD0CLK, "sd0_clk"),
   PINCTRL_PIN(WMT_PIN_SD0CMD, "sd0_cmd"),
   PINCTRL_PIN(WMT_PIN_SD0WP, "sd0_wp"),
   PINCTRL_PIN(WMT_PIN_SD0DATA0, "sd0_data0"),
   PINCTRL_PIN(WMT_PIN_SD0DATA1, "sd0_data1"),
   PINCTRL_PIN(WMT_PIN_SD0DATA2, "sd0_data2"),
   PINCTRL_PIN(WMT_PIN_SD0DATA3, "sd0_data3"),
   PINCTRL_PIN(WMT_PIN_SD1DATA0, "sd1_data0"),
   PINCTRL_PIN(WMT_PIN_SD1DATA1, "sd1_data1"),
   PINCTRL_PIN(WMT_PIN_SD1DATA2, "sd1_data2"),
   PINCTRL_PIN(WMT_PIN_SD1DATA3, "sd1_data3"),
   PINCTRL_PIN(WMT_PIN_SD1DATA4, "sd1_data4"),
   PINCTRL_PIN(WMT_PIN_SD1DATA5, "sd1_data5"),
   PINCTRL_PIN(WMT_PIN_SD1DATA6, "sd1_data6"),
   PINCTRL_PIN(WMT_PIN_SD1DATA7, "sd1_data7"),
   PINCTRL_PIN(WMT_PIN_I2C0_SCL, "i2c0_scl"),
   PINCTRL_PIN(WMT_PIN_I2C0_SDA, "i2c0_sda"),
   PINCTRL_PIN(WMT_PIN_I2C1_SCL, "i2c1_scl"),
   PINCTRL_PIN(WMT_PIN_I2C1_SDA, "i2c1_sda"),
   PINCTRL_PIN(WMT_PIN_I2C2_SCL, "i2c2_scl"),
   PINCTRL_PIN(WMT_PIN_I2C2_SDA, "i2c2_sda"),
   PINCTRL_PIN(WMT_PIN_UART0_RTS, "uart0_rts"),
   PINCTRL_PIN(WMT_PIN_UART0_TXD, "uart0_txd"),
   PINCTRL_PIN(WMT_PIN_UART0_CTS, "uart0_cts"),
   PINCTRL_PIN(WMT_PIN_UART0_RXD, "uart0_rxd"),
   PINCTRL_PIN(WMT_PIN_UART1_RTS, "uart1_rts"),
   PINCTRL_PIN(WMT_PIN_UART1_TXD, "uart1_txd"),
   PINCTRL_PIN(WMT_PIN_UART1_CTS, "uart1_cts"),
   PINCTRL_PIN(WMT_PIN_UART1_RXD, "uart1_rxd"),
   PINCTRL_PIN(WMT_PIN_UART2_RTS, "uart2_rts"),
   PINCTRL_PIN(WMT_PIN_UART2_TXD, "uart2_txd"),
   PINCTRL_PIN(WMT_PIN_UART2_CTS, "uart2_cts"),
   PINCTRL_PIN(WMT_PIN_UART2_RXD, "uart2_rxd"),
   PINCTRL_PIN(WMT_PIN_UART3_RTS, "uart3_rts"),
   PINCTRL_PIN(WMT_PIN_UART3_TXD, "uart3_txd"),
   PINCTRL_PIN(WMT_PIN_UART3_CTS, "uart3_cts"),
   PINCTRL_PIN(WMT_PIN_UART3_RXD, "uart3_rxd"),
   PINCTRL_PIN(WMT_PIN_SD2CD, "sd2_cd"),
   PINCTRL_PIN(WMT_PIN_SD2DATA3, "sd2_data3"),
   PINCTRL_PIN(WMT_PIN_SD2DATA0, "sd2_data0"),
   PINCTRL_PIN(WMT_PIN_SD2WP, "sd2_wp"),
   PINCTRL_PIN(WMT_PIN_SD2DATA1, "sd2_data1"),
   PINCTRL_PIN(WMT_PIN_SD2DATA2, "sd2_data2"),
   PINCTRL_PIN(WMT_PIN_SD2CMD, "sd2_cmd"),
   PINCTRL_PIN(WMT_PIN_SD2CLK, "sd2_clk"),
   PINCTRL_PIN(WMT_PIN_SD2PWR, "sd2_pwr"),
   PINCTRL_PIN(WMT_PIN_SD1CLK, "sd1_clk"),
   PINCTRL_PIN(WMT_PIN_SD1CMD, "sd1_cmd"),
   PINCTRL_PIN(WMT_PIN_SD1PWR, "sd1_pwr"),
   PINCTRL_PIN(WMT_PIN_SD1WP, "sd1_wp"),
   PINCTRL_PIN(WMT_PIN_SD1CD, "sd1_cd"),
   PINCTRL_PIN(WMT_PIN_SPI0SS3, "spi0_ss3"),
   PINCTRL_PIN(WMT_PIN_SPI0SS2, "spi0_ss2"),
   PINCTRL_PIN(WMT_PIN_PWMOUT1, "pwmout1"),
   PINCTRL_PIN(WMT_PIN_PWMOUT0, "pwmout0"),
};
 
/* Order of these names must match the above list */
static const char * const wm8750_groups[] = {
   "extgpio0",
   "extgpio1",
   "extgpio2",
   "extgpio3",
   "extgpio4",
   "extgpio5",
   "extgpio6",
   "extgpio7",
   "wakeup0",
   "wakeup1",
   "sd0_cd",
   "vdout0",
   "vdout1",
   "vdout2",
   "vdout3",
   "vdout4",
   "vdout5",
   "vdout6",
   "vdout7",
   "vdout8",
   "vdout9",
   "vdout10",
   "vdout11",
   "vdout12",
   "vdout13",
   "vdout14",
   "vdout15",
   "vdout16",
   "vdout17",
   "vdout18",
   "vdout19",
   "vdout20",
   "vdout21",
   "vdout22",
   "vdout23",
   "vdin0",
   "vdin1",
   "vdin2",
   "vdin3",
   "vdin4",
   "vdin5",
   "vdin6",
   "vdin7",
   "spi0_mosi",
   "spi0_miso",
   "spi0_ss",
   "spi0_clk",
   "spi0_ssb",
   "sd0_clk",
   "sd0_cmd",
   "sd0_wp",
   "sd0_data0",
   "sd0_data1",
   "sd0_data2",
   "sd0_data3",
   "sd1_data0",
   "sd1_data1",
   "sd1_data2",
   "sd1_data3",
   "sd1_data4",
   "sd1_data5",
   "sd1_data6",
   "sd1_data7",
   "i2c0_scl",
   "i2c0_sda",
   "i2c1_scl",
   "i2c1_sda",
   "i2c2_scl",
   "i2c2_sda",
   "uart0_rts",
   "uart0_txd",
   "uart0_cts",
   "uart0_rxd",
   "uart1_rts",
   "uart1_txd",
   "uart1_cts",
   "uart1_rxd",
   "uart2_rts",
   "uart2_txd",
   "uart2_cts",
   "uart2_rxd",
   "uart3_rts",
   "uart3_txd",
   "uart3_cts",
   "uart3_rxd",
   "sd2_cd",
   "sd2_data3",
   "sd2_data0",
   "sd2_wp",
   "sd2_data1",
   "sd2_data2",
   "sd2_cmd",
   "sd2_clk",
   "sd2_pwr",
   "sd1_clk",
   "sd1_cmd",
   "sd1_pwr",
   "sd1_wp",
   "sd1_cd",
   "spi0_ss3",
   "spi0_ss2",
   "pwmout1",
   "pwmout0",
};
 
static int wm8750_pinctrl_probe(struct platform_device *pdev)
{
   struct wmt_pinctrl_data *data;
 
   data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
   if (!data)
       return -ENOMEM;
 
   data->banks = wm8750_banks;
   data->nbanks = ARRAY_SIZE(wm8750_banks);
   data->pins = wm8750_pins;
   data->npins = ARRAY_SIZE(wm8750_pins);
   data->groups = wm8750_groups;
   data->ngroups = ARRAY_SIZE(wm8750_groups);
 
   return wmt_pinctrl_probe(pdev, data);
}
 
static const struct of_device_id wmt_pinctrl_of_match[] = {
   { .compatible = "wm,wm8750-pinctrl" },
   { /* sentinel */ },
};
 
static struct platform_driver wmt_pinctrl_driver = {
   .probe    = wm8750_pinctrl_probe,
   .driver = {
       .name    = "pinctrl-wm8750",
       .of_match_table    = wmt_pinctrl_of_match,
       .suppress_bind_attrs = true,
   },
};
builtin_platform_driver(wmt_pinctrl_driver);