1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Marvell Armada ap806 pinctrl driver based on mvebu pinctrl core
5 * Copyright (C) 2017 Marvell
7 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
8 * Hanna Hawa <hannah@marvell.com>
11 #include <linux/err.h>
12 #include <linux/init.h>
14 #include <linux/platform_device.h>
16 #include <linux/pinctrl/pinctrl.h>
18 #include "pinctrl-mvebu.h"
20 static struct mvebu_mpp_mode armada_ap806_mpp_modes[] = {
22 MPP_FUNCTION(0, "gpio", NULL),
23 MPP_FUNCTION(1, "sdio", "clk"),
24 MPP_FUNCTION(3, "spi0", "clk")),
26 MPP_FUNCTION(0, "gpio", NULL),
27 MPP_FUNCTION(1, "sdio", "cmd"),
28 MPP_FUNCTION(3, "spi0", "miso")),
30 MPP_FUNCTION(0, "gpio", NULL),
31 MPP_FUNCTION(1, "sdio", "d0"),
32 MPP_FUNCTION(3, "spi0", "mosi")),
34 MPP_FUNCTION(0, "gpio", NULL),
35 MPP_FUNCTION(1, "sdio", "d1"),
36 MPP_FUNCTION(3, "spi0", "cs0n")),
38 MPP_FUNCTION(0, "gpio", NULL),
39 MPP_FUNCTION(1, "sdio", "d2"),
40 MPP_FUNCTION(3, "i2c0", "sda")),
42 MPP_FUNCTION(0, "gpio", NULL),
43 MPP_FUNCTION(1, "sdio", "d3"),
44 MPP_FUNCTION(3, "i2c0", "sdk")),
46 MPP_FUNCTION(0, "gpio", NULL),
47 MPP_FUNCTION(1, "sdio", "ds")),
49 MPP_FUNCTION(0, "gpio", NULL),
50 MPP_FUNCTION(1, "sdio", "d4"),
51 MPP_FUNCTION(3, "uart1", "rxd")),
53 MPP_FUNCTION(0, "gpio", NULL),
54 MPP_FUNCTION(1, "sdio", "d5"),
55 MPP_FUNCTION(3, "uart1", "txd")),
57 MPP_FUNCTION(0, "gpio", NULL),
58 MPP_FUNCTION(1, "sdio", "d6"),
59 MPP_FUNCTION(3, "spi0", "cs1n")),
61 MPP_FUNCTION(0, "gpio", NULL),
62 MPP_FUNCTION(1, "sdio", "d7")),
64 MPP_FUNCTION(0, "gpio", NULL),
65 MPP_FUNCTION(3, "uart0", "txd")),
67 MPP_FUNCTION(0, "gpio", NULL),
68 MPP_FUNCTION(1, "sdio", "pw_off"),
69 MPP_FUNCTION(2, "sdio", "hw_rst")),
71 MPP_FUNCTION(0, "gpio", NULL)),
73 MPP_FUNCTION(0, "gpio", NULL)),
75 MPP_FUNCTION(0, "gpio", NULL)),
77 MPP_FUNCTION(0, "gpio", NULL)),
79 MPP_FUNCTION(0, "gpio", NULL)),
81 MPP_FUNCTION(0, "gpio", NULL)),
83 MPP_FUNCTION(0, "gpio", NULL),
84 MPP_FUNCTION(3, "uart0", "rxd"),
85 MPP_FUNCTION(4, "sdio", "pw_off")),
88 static struct mvebu_pinctrl_soc_info armada_ap806_pinctrl_info;
90 static const struct of_device_id armada_ap806_pinctrl_of_match[] = {
92 .compatible = "marvell,ap806-pinctrl",
97 static const struct mvebu_mpp_ctrl armada_ap806_mpp_controls[] = {
98 MPP_FUNC_CTRL(0, 19, NULL, mvebu_regmap_mpp_ctrl),
101 static struct pinctrl_gpio_range armada_ap806_mpp_gpio_ranges[] = {
102 MPP_GPIO_RANGE(0, 0, 0, 20),
105 static int armada_ap806_pinctrl_probe(struct platform_device *pdev)
107 struct mvebu_pinctrl_soc_info *soc = &armada_ap806_pinctrl_info;
109 if (!pdev->dev.parent)
112 soc->variant = 0; /* no variants for Armada AP806 */
113 soc->controls = armada_ap806_mpp_controls;
114 soc->ncontrols = ARRAY_SIZE(armada_ap806_mpp_controls);
115 soc->gpioranges = armada_ap806_mpp_gpio_ranges;
116 soc->ngpioranges = ARRAY_SIZE(armada_ap806_mpp_gpio_ranges);
117 soc->modes = armada_ap806_mpp_modes;
118 soc->nmodes = armada_ap806_mpp_controls[0].npins;
120 pdev->dev.platform_data = soc;
122 return mvebu_pinctrl_simple_regmap_probe(pdev, pdev->dev.parent, 0);
125 static struct platform_driver armada_ap806_pinctrl_driver = {
127 .name = "armada-ap806-pinctrl",
128 .of_match_table = of_match_ptr(armada_ap806_pinctrl_of_match),
130 .probe = armada_ap806_pinctrl_probe,
133 builtin_platform_driver(armada_ap806_pinctrl_driver);