| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 | 
 | 2 | /* | 
 | 3 |  * Allwinner H6 R_PIO pin controller driver | 
 | 4 |  * | 
 | 5 |  * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io> | 
 | 6 |  * | 
 | 7 |  * Based on pinctrl-sun6i-a31-r.c, which is: | 
 | 8 |  *   Copyright (C) 2014 Boris Brezillon | 
 | 9 |  *   Boris Brezillon <boris.brezillon@free-electrons.com> | 
 | 10 |  *   Copyright (C) 2014 Maxime Ripard | 
 | 11 |  *   Maxime Ripard <maxime.ripard@free-electrons.com> | 
 | 12 |  */ | 
 | 13 |  | 
 | 14 | #include <linux/init.h> | 
 | 15 | #include <linux/platform_device.h> | 
 | 16 | #include <linux/of.h> | 
 | 17 | #include <linux/of_device.h> | 
 | 18 | #include <linux/pinctrl/pinctrl.h> | 
 | 19 | #include <linux/reset.h> | 
 | 20 |  | 
 | 21 | #include "pinctrl-sunxi.h" | 
 | 22 |  | 
 | 23 | static const struct sunxi_desc_pin sun50i_h6_r_pins[] = { | 
 | 24 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0), | 
 | 25 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 26 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 27 | 		  SUNXI_FUNCTION(0x3, "s_i2c"),		/* SCK */ | 
 | 28 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),	/* PL_EINT0 */ | 
 | 29 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1), | 
 | 30 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 31 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 32 | 		  SUNXI_FUNCTION(0x3, "s_i2c"),		/* SDA */ | 
 | 33 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),	/* PL_EINT1 */ | 
 | 34 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2), | 
 | 35 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 36 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 37 | 		  SUNXI_FUNCTION(0x2, "s_uart"),	/* TX */ | 
 | 38 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),	/* PL_EINT2 */ | 
 | 39 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3), | 
 | 40 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 41 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 42 | 		  SUNXI_FUNCTION(0x2, "s_uart"),	/* RX */ | 
 | 43 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),	/* PL_EINT3 */ | 
 | 44 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4), | 
 | 45 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 46 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 47 | 		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* MS */ | 
 | 48 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),	/* PL_EINT4 */ | 
 | 49 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5), | 
 | 50 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 51 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 52 | 		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* CK */ | 
 | 53 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),	/* PL_EINT5 */ | 
 | 54 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6), | 
 | 55 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 56 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 57 | 		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* DO */ | 
 | 58 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),	/* PL_EINT6 */ | 
 | 59 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7), | 
 | 60 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 61 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 62 | 		  SUNXI_FUNCTION(0x2, "s_jtag"),	/* DI */ | 
 | 63 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),	/* PL_EINT7 */ | 
 | 64 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8), | 
 | 65 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 66 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 67 | 		  SUNXI_FUNCTION(0x2, "s_pwm"), | 
 | 68 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),	/* PL_EINT8 */ | 
 | 69 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9), | 
 | 70 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 71 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 72 | 		  SUNXI_FUNCTION(0x2, "s_cir_rx"), | 
 | 73 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),	/* PL_EINT9 */ | 
 | 74 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10), | 
 | 75 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 76 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 77 | 		  SUNXI_FUNCTION(0x2, "s_w1"), | 
 | 78 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)),	/* PL_EINT10 */ | 
 | 79 | 	/* Hole */ | 
 | 80 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0), | 
 | 81 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 82 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 83 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 0)),	/* PM_EINT0 */ | 
 | 84 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1), | 
 | 85 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 86 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 87 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 1)),	/* PM_EINT1 */ | 
 | 88 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2), | 
 | 89 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 90 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 91 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 2),	/* PM_EINT2 */ | 
 | 92 | 		  SUNXI_FUNCTION(0x3, "1wire")), | 
 | 93 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3), | 
 | 94 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 95 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 96 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 3)),	/* PM_EINT3 */ | 
 | 97 | 	SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4), | 
 | 98 | 		  SUNXI_FUNCTION(0x0, "gpio_in"), | 
 | 99 | 		  SUNXI_FUNCTION(0x1, "gpio_out"), | 
 | 100 | 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 4)),	/* PM_EINT4 */ | 
 | 101 | }; | 
 | 102 |  | 
 | 103 | static const struct sunxi_pinctrl_desc sun50i_h6_r_pinctrl_data = { | 
 | 104 | 	.pins = sun50i_h6_r_pins, | 
 | 105 | 	.npins = ARRAY_SIZE(sun50i_h6_r_pins), | 
 | 106 | 	.pin_base = PL_BASE, | 
 | 107 | 	.irq_banks = 2, | 
 | 108 | }; | 
 | 109 |  | 
 | 110 | static int sun50i_h6_r_pinctrl_probe(struct platform_device *pdev) | 
 | 111 | { | 
 | 112 | 	return sunxi_pinctrl_init(pdev, | 
 | 113 | 				  &sun50i_h6_r_pinctrl_data); | 
 | 114 | } | 
 | 115 |  | 
 | 116 | static const struct of_device_id sun50i_h6_r_pinctrl_match[] = { | 
 | 117 | 	{ .compatible = "allwinner,sun50i-h6-r-pinctrl", }, | 
 | 118 | 	{} | 
 | 119 | }; | 
 | 120 |  | 
 | 121 | static struct platform_driver sun50i_h6_r_pinctrl_driver = { | 
 | 122 | 	.probe	= sun50i_h6_r_pinctrl_probe, | 
 | 123 | 	.driver	= { | 
 | 124 | 		.name		= "sun50i-h6-r-pinctrl", | 
 | 125 | 		.of_match_table	= sun50i_h6_r_pinctrl_match, | 
 | 126 | 	}, | 
 | 127 | }; | 
 | 128 | builtin_platform_driver(sun50i_h6_r_pinctrl_driver); |