|  | // SPDX-License-Identifier: GPL-2.0 | 
|  | /* | 
|  | * Copyright (c) 2020 Yangtao Li <frank@allwinnertech.com> | 
|  | * | 
|  | * Based on: | 
|  | * huangshuosheng <huangshuosheng@allwinnertech.com> | 
|  | */ | 
|  |  | 
|  | #include <linux/module.h> | 
|  | #include <linux/of.h> | 
|  | #include <linux/of_device.h> | 
|  | #include <linux/pinctrl/pinctrl.h> | 
|  | #include <linux/platform_device.h> | 
|  |  | 
|  | #include "pinctrl-sunxi.h" | 
|  |  | 
|  | static const struct sunxi_desc_pin a100_r_pins[] = { | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_i2c0"),	/* SCK */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_i2c0"),	/* SDA */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_uart0"),	/* TX */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_uart0"),	/* RX */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_jtag"),	/* MS */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_jtag"),	/* CK */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_jtag"),	/* DO */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_jtag"),	/* DI */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_i2c1"),	/* SCK */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_i2c1"),	/* SDA */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x2, "s_pwm"), | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), | 
|  | SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11), | 
|  | SUNXI_FUNCTION(0x0, "gpio_in"), | 
|  | SUNXI_FUNCTION(0x1, "gpio_out"), | 
|  | SUNXI_FUNCTION(0x3, "s_cir"),		/* IN */ | 
|  | SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)), | 
|  | }; | 
|  |  | 
|  | static const struct sunxi_pinctrl_desc a100_r_pinctrl_data = { | 
|  | .pins = a100_r_pins, | 
|  | .npins = ARRAY_SIZE(a100_r_pins), | 
|  | .pin_base = PL_BASE, | 
|  | .irq_banks = 1, | 
|  | .io_bias_cfg_variant = BIAS_VOLTAGE_PIO_POW_MODE_CTL, | 
|  | }; | 
|  |  | 
|  | static int a100_r_pinctrl_probe(struct platform_device *pdev) | 
|  | { | 
|  | return sunxi_pinctrl_init(pdev, &a100_r_pinctrl_data); | 
|  | } | 
|  |  | 
|  | static const struct of_device_id a100_r_pinctrl_match[] = { | 
|  | { .compatible = "allwinner,sun50i-a100-r-pinctrl", }, | 
|  | {} | 
|  | }; | 
|  | MODULE_DEVICE_TABLE(of, a100_r_pinctrl_match); | 
|  |  | 
|  | static struct platform_driver a100_r_pinctrl_driver = { | 
|  | .probe	= a100_r_pinctrl_probe, | 
|  | .driver	= { | 
|  | .name		= "sun50i-a100-r-pinctrl", | 
|  | .of_match_table	= a100_r_pinctrl_match, | 
|  | }, | 
|  | }; | 
|  | module_platform_driver(a100_r_pinctrl_driver); |