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linux-sg2042/drivers/pinctrl/vt8500/pinctrl-wm8750.c

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/*
* Pinctrl data for Wondermedia WM8750 SoC
*
* Copyright (c) 2013 Tony Prisk <linux@prisktech.co.nz>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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/io.h>
#include <linux/module.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) {
dev_err(&pdev->dev, "failed to allocate data\n");
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 int wm8750_pinctrl_remove(struct platform_device *pdev)
{
return wmt_pinctrl_remove(pdev);
}
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,
.remove = wm8750_pinctrl_remove,
.driver = {
.name = "pinctrl-wm8750",
.of_match_table = wmt_pinctrl_of_match,
},
};
module_platform_driver(wmt_pinctrl_driver);
MODULE_AUTHOR("Tony Prisk <linux@prisktech.co.nz>");
MODULE_DESCRIPTION("Wondermedia WM8750 Pincontrol driver");
MODULE_LICENSE("GPL v2");
MODULE_DEVICE_TABLE(of, wmt_pinctrl_of_match);
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