rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Marvell Armada ap806 pinctrl driver based on mvebu pinctrl core |
| 3 | * |
| 4 | * Copyright (C) 2017 Marvell |
| 5 | * |
| 6 | * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> |
| 7 | * Hanna Hawa <hannah@marvell.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/err.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/io.h> |
| 18 | #include <linux/platform_device.h> |
| 19 | #include <linux/of.h> |
| 20 | #include <linux/of_device.h> |
| 21 | #include <linux/pinctrl/pinctrl.h> |
| 22 | |
| 23 | #include "pinctrl-mvebu.h" |
| 24 | |
| 25 | static struct mvebu_mpp_mode armada_ap806_mpp_modes[] = { |
| 26 | MPP_MODE(0, |
| 27 | MPP_FUNCTION(0, "gpio", NULL), |
| 28 | MPP_FUNCTION(1, "sdio", "clk"), |
| 29 | MPP_FUNCTION(3, "spi0", "clk")), |
| 30 | MPP_MODE(1, |
| 31 | MPP_FUNCTION(0, "gpio", NULL), |
| 32 | MPP_FUNCTION(1, "sdio", "cmd"), |
| 33 | MPP_FUNCTION(3, "spi0", "miso")), |
| 34 | MPP_MODE(2, |
| 35 | MPP_FUNCTION(0, "gpio", NULL), |
| 36 | MPP_FUNCTION(1, "sdio", "d0"), |
| 37 | MPP_FUNCTION(3, "spi0", "mosi")), |
| 38 | MPP_MODE(3, |
| 39 | MPP_FUNCTION(0, "gpio", NULL), |
| 40 | MPP_FUNCTION(1, "sdio", "d1"), |
| 41 | MPP_FUNCTION(3, "spi0", "cs0n")), |
| 42 | MPP_MODE(4, |
| 43 | MPP_FUNCTION(0, "gpio", NULL), |
| 44 | MPP_FUNCTION(1, "sdio", "d2"), |
| 45 | MPP_FUNCTION(3, "i2c0", "sda")), |
| 46 | MPP_MODE(5, |
| 47 | MPP_FUNCTION(0, "gpio", NULL), |
| 48 | MPP_FUNCTION(1, "sdio", "d3"), |
| 49 | MPP_FUNCTION(3, "i2c0", "sdk")), |
| 50 | MPP_MODE(6, |
| 51 | MPP_FUNCTION(0, "gpio", NULL), |
| 52 | MPP_FUNCTION(1, "sdio", "ds")), |
| 53 | MPP_MODE(7, |
| 54 | MPP_FUNCTION(0, "gpio", NULL), |
| 55 | MPP_FUNCTION(1, "sdio", "d4"), |
| 56 | MPP_FUNCTION(3, "uart1", "rxd")), |
| 57 | MPP_MODE(8, |
| 58 | MPP_FUNCTION(0, "gpio", NULL), |
| 59 | MPP_FUNCTION(1, "sdio", "d5"), |
| 60 | MPP_FUNCTION(3, "uart1", "txd")), |
| 61 | MPP_MODE(9, |
| 62 | MPP_FUNCTION(0, "gpio", NULL), |
| 63 | MPP_FUNCTION(1, "sdio", "d6"), |
| 64 | MPP_FUNCTION(3, "spi0", "cs1n")), |
| 65 | MPP_MODE(10, |
| 66 | MPP_FUNCTION(0, "gpio", NULL), |
| 67 | MPP_FUNCTION(1, "sdio", "d7")), |
| 68 | MPP_MODE(11, |
| 69 | MPP_FUNCTION(0, "gpio", NULL), |
| 70 | MPP_FUNCTION(3, "uart0", "txd")), |
| 71 | MPP_MODE(12, |
| 72 | MPP_FUNCTION(0, "gpio", NULL), |
| 73 | MPP_FUNCTION(1, "sdio", "pw_off"), |
| 74 | MPP_FUNCTION(2, "sdio", "hw_rst")), |
| 75 | MPP_MODE(13, |
| 76 | MPP_FUNCTION(0, "gpio", NULL)), |
| 77 | MPP_MODE(14, |
| 78 | MPP_FUNCTION(0, "gpio", NULL)), |
| 79 | MPP_MODE(15, |
| 80 | MPP_FUNCTION(0, "gpio", NULL)), |
| 81 | MPP_MODE(16, |
| 82 | MPP_FUNCTION(0, "gpio", NULL)), |
| 83 | MPP_MODE(17, |
| 84 | MPP_FUNCTION(0, "gpio", NULL)), |
| 85 | MPP_MODE(18, |
| 86 | MPP_FUNCTION(0, "gpio", NULL)), |
| 87 | MPP_MODE(19, |
| 88 | MPP_FUNCTION(0, "gpio", NULL), |
| 89 | MPP_FUNCTION(3, "uart0", "rxd"), |
| 90 | MPP_FUNCTION(4, "sdio", "pw_off")), |
| 91 | }; |
| 92 | |
| 93 | static struct mvebu_pinctrl_soc_info armada_ap806_pinctrl_info; |
| 94 | |
| 95 | static const struct of_device_id armada_ap806_pinctrl_of_match[] = { |
| 96 | { |
| 97 | .compatible = "marvell,ap806-pinctrl", |
| 98 | }, |
| 99 | { }, |
| 100 | }; |
| 101 | |
| 102 | static const struct mvebu_mpp_ctrl armada_ap806_mpp_controls[] = { |
| 103 | MPP_FUNC_CTRL(0, 19, NULL, mvebu_regmap_mpp_ctrl), |
| 104 | }; |
| 105 | |
| 106 | static struct pinctrl_gpio_range armada_ap806_mpp_gpio_ranges[] = { |
| 107 | MPP_GPIO_RANGE(0, 0, 0, 20), |
| 108 | }; |
| 109 | |
| 110 | static int armada_ap806_pinctrl_probe(struct platform_device *pdev) |
| 111 | { |
| 112 | struct mvebu_pinctrl_soc_info *soc = &armada_ap806_pinctrl_info; |
| 113 | const struct of_device_id *match = |
| 114 | of_match_device(armada_ap806_pinctrl_of_match, &pdev->dev); |
| 115 | |
| 116 | if (!match || !pdev->dev.parent) |
| 117 | return -ENODEV; |
| 118 | |
| 119 | soc->variant = 0; /* no variants for Armada AP806 */ |
| 120 | soc->controls = armada_ap806_mpp_controls; |
| 121 | soc->ncontrols = ARRAY_SIZE(armada_ap806_mpp_controls); |
| 122 | soc->gpioranges = armada_ap806_mpp_gpio_ranges; |
| 123 | soc->ngpioranges = ARRAY_SIZE(armada_ap806_mpp_gpio_ranges); |
| 124 | soc->modes = armada_ap806_mpp_modes; |
| 125 | soc->nmodes = armada_ap806_mpp_controls[0].npins; |
| 126 | |
| 127 | pdev->dev.platform_data = soc; |
| 128 | |
| 129 | return mvebu_pinctrl_simple_regmap_probe(pdev, pdev->dev.parent, 0); |
| 130 | } |
| 131 | |
| 132 | static struct platform_driver armada_ap806_pinctrl_driver = { |
| 133 | .driver = { |
| 134 | .name = "armada-ap806-pinctrl", |
| 135 | .of_match_table = of_match_ptr(armada_ap806_pinctrl_of_match), |
| 136 | }, |
| 137 | .probe = armada_ap806_pinctrl_probe, |
| 138 | }; |
| 139 | |
| 140 | builtin_platform_driver(armada_ap806_pinctrl_driver); |