2 * Marvell Armada ap806 pinctrl driver based on mvebu pinctrl core
4 * Copyright (C) 2017 Marvell
6 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
7 * Hanna Hawa <hannah@marvell.com>
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.
15 #include <linux/err.h>
16 #include <linux/init.h>
18 #include <linux/platform_device.h>
20 #include <linux/of_device.h>
21 #include <linux/pinctrl/pinctrl.h>
23 #include "pinctrl-mvebu.h"
25 static struct mvebu_mpp_mode armada_ap806_mpp_modes[] = {
27 MPP_FUNCTION(0, "gpio", NULL),
28 MPP_FUNCTION(1, "sdio", "clk"),
29 MPP_FUNCTION(3, "spi0", "clk")),
31 MPP_FUNCTION(0, "gpio", NULL),
32 MPP_FUNCTION(1, "sdio", "cmd"),
33 MPP_FUNCTION(3, "spi0", "miso")),
35 MPP_FUNCTION(0, "gpio", NULL),
36 MPP_FUNCTION(1, "sdio", "d0"),
37 MPP_FUNCTION(3, "spi0", "mosi")),
39 MPP_FUNCTION(0, "gpio", NULL),
40 MPP_FUNCTION(1, "sdio", "d1"),
41 MPP_FUNCTION(3, "spi0", "cs0n")),
43 MPP_FUNCTION(0, "gpio", NULL),
44 MPP_FUNCTION(1, "sdio", "d2"),
45 MPP_FUNCTION(3, "i2c0", "sda")),
47 MPP_FUNCTION(0, "gpio", NULL),
48 MPP_FUNCTION(1, "sdio", "d3"),
49 MPP_FUNCTION(3, "i2c0", "sdk")),
51 MPP_FUNCTION(0, "gpio", NULL),
52 MPP_FUNCTION(1, "sdio", "ds")),
54 MPP_FUNCTION(0, "gpio", NULL),
55 MPP_FUNCTION(1, "sdio", "d4"),
56 MPP_FUNCTION(3, "uart1", "rxd")),
58 MPP_FUNCTION(0, "gpio", NULL),
59 MPP_FUNCTION(1, "sdio", "d5"),
60 MPP_FUNCTION(3, "uart1", "txd")),
62 MPP_FUNCTION(0, "gpio", NULL),
63 MPP_FUNCTION(1, "sdio", "d6"),
64 MPP_FUNCTION(3, "spi0", "cs1n")),
66 MPP_FUNCTION(0, "gpio", NULL),
67 MPP_FUNCTION(1, "sdio", "d7")),
69 MPP_FUNCTION(0, "gpio", NULL),
70 MPP_FUNCTION(3, "uart0", "txd")),
72 MPP_FUNCTION(0, "gpio", NULL),
73 MPP_FUNCTION(1, "sdio", "pw_off"),
74 MPP_FUNCTION(2, "sdio", "hw_rst")),
76 MPP_FUNCTION(0, "gpio", NULL)),
78 MPP_FUNCTION(0, "gpio", NULL)),
80 MPP_FUNCTION(0, "gpio", NULL)),
82 MPP_FUNCTION(0, "gpio", NULL)),
84 MPP_FUNCTION(0, "gpio", NULL)),
86 MPP_FUNCTION(0, "gpio", NULL)),
88 MPP_FUNCTION(0, "gpio", NULL),
89 MPP_FUNCTION(3, "uart0", "rxd"),
90 MPP_FUNCTION(4, "sdio", "pw_off")),
93 static struct mvebu_pinctrl_soc_info armada_ap806_pinctrl_info;
95 static const struct of_device_id armada_ap806_pinctrl_of_match[] = {
97 .compatible = "marvell,ap806-pinctrl",
102 static const struct mvebu_mpp_ctrl armada_ap806_mpp_controls[] = {
103 MPP_FUNC_CTRL(0, 19, NULL, mvebu_regmap_mpp_ctrl),
106 static struct pinctrl_gpio_range armada_ap806_mpp_gpio_ranges[] = {
107 MPP_GPIO_RANGE(0, 0, 0, 20),
110 static int armada_ap806_pinctrl_probe(struct platform_device *pdev)
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);
116 if (!match || !pdev->dev.parent)
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;
127 pdev->dev.platform_data = soc;
129 return mvebu_pinctrl_simple_regmap_probe(pdev, pdev->dev.parent, 0);
132 static struct platform_driver armada_ap806_pinctrl_driver = {
134 .name = "armada-ap806-pinctrl",
135 .of_match_table = of_match_ptr(armada_ap806_pinctrl_of_match),
137 .probe = armada_ap806_pinctrl_probe,
140 builtin_platform_driver(armada_ap806_pinctrl_driver);