141 lines
4.5 KiB
C
141 lines
4.5 KiB
C
/*
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* Allwinner sun8iw5p1 SoCs R_PIO pinctrl driver.
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*
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* Copyright(c) 2016-2020 Allwinnertech Co., Ltd.
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* Author: Weijianluo <luoweijian@allwinnertech.com>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/pinctrl/pinctrl.h>
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#include "pinctrl-sunxi.h"
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static const struct sunxi_desc_pin sun8iw5p1_r_pins[] = {
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_rsb0"), /*SCK*/
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SUNXI_FUNCTION(0x3, "s_twi0"), /*SCK*/
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 0)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_rsb0"), /*SDA*/
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SUNXI_FUNCTION(0x3, "s_twi0"), /*SDA*/
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 1)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_uart0"), /*TX*/
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 2)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_uart0"), /*RX*/
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 3)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_jtag0"), /*MS*/
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 4)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_jtag0"), /*CK*/
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 5)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_jtag0"), /*DO*/
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 6)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_jtag0"), /*DI*/
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 7)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_twi0"), /*SCK*/
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 8)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_twi0"), /*SDA*/
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 9)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x2, "s_pwm0"),
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 10)),
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SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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SUNXI_FUNCTION(0x7, "io_disabled"),
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SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 11)),
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};
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#define IRQ_BANK_NUM 1
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static const unsigned sun8iw5p1_r_irq_bank_base[IRQ_BANK_NUM] = {0};
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static const struct sunxi_pinctrl_desc sun8iw5p1_r_pinctrl_data = {
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.pins = sun8iw5p1_r_pins,
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.npins = ARRAY_SIZE(sun8iw5p1_r_pins),
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.pin_base = PL_BASE,
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.irq_banks = IRQ_BANK_NUM,
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.irq_bank_base = sun8iw5p1_r_irq_bank_base,
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};
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static int sun8iw5p1_r_pinctrl_probe(struct platform_device *pdev)
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{
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return sunxi_pinctrl_init(pdev, &sun8iw5p1_r_pinctrl_data);
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}
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static struct of_device_id sun8iw5p1_r_pinctrl_match[] = {
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{ .compatible = "allwinner,sun8iw5p1-r-pinctrl", },
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{}
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};
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MODULE_DEVICE_TABLE(of, sun8iw5p1_r_pinctrl_match);
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static struct platform_driver sun8iw5p1_r_pinctrl_driver = {
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.probe = sun8iw5p1_r_pinctrl_probe,
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.driver = {
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.name = "sun8iw5p1-r-pinctrl",
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.owner = THIS_MODULE,
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.of_match_table = sun8iw5p1_r_pinctrl_match,
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},
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};
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static int __init sun8iw5p1_r_pio_init(void)
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{
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int ret;
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ret = platform_driver_register(&sun8iw5p1_r_pinctrl_driver);
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if (IS_ERR_VALUE(ret)) {
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pr_debug("register sun8iw5p1 r-pio controller failed\n");
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return -EINVAL;
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}
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return 0;
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}
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postcore_initcall(sun8iw5p1_r_pio_init);
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MODULE_AUTHOR("Weijianluo<luoweijian@allwinnertech.com>");
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MODULE_DESCRIPTION("Allwinner sun8iw5p1 R_PIO pinctrl driver");
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MODULE_LICENSE("GPL");
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