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path: root/drivers/pinctrl/mvebu/pinctrl-armada-ap806.c
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-rw-r--r--drivers/pinctrl/mvebu/pinctrl-armada-ap806.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-ap806.c b/drivers/pinctrl/mvebu/pinctrl-armada-ap806.c
new file mode 100644
index 000000000..89bab5367
--- /dev/null
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-ap806.c
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Marvell Armada ap806 pinctrl driver based on mvebu pinctrl core
+ *
+ * Copyright (C) 2017 Marvell
+ *
+ * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ * Hanna Hawa <hannah@marvell.com>
+ */
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/pinctrl/pinctrl.h>
+
+#include "pinctrl-mvebu.h"
+
+static struct mvebu_mpp_mode armada_ap806_mpp_modes[] = {
+ MPP_MODE(0,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "clk"),
+ MPP_FUNCTION(3, "spi0", "clk")),
+ MPP_MODE(1,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "cmd"),
+ MPP_FUNCTION(3, "spi0", "miso")),
+ MPP_MODE(2,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "d0"),
+ MPP_FUNCTION(3, "spi0", "mosi")),
+ MPP_MODE(3,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "d1"),
+ MPP_FUNCTION(3, "spi0", "cs0n")),
+ MPP_MODE(4,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "d2"),
+ MPP_FUNCTION(3, "i2c0", "sda")),
+ MPP_MODE(5,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "d3"),
+ MPP_FUNCTION(3, "i2c0", "sdk")),
+ MPP_MODE(6,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "ds")),
+ MPP_MODE(7,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "d4"),
+ MPP_FUNCTION(3, "uart1", "rxd")),
+ MPP_MODE(8,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "d5"),
+ MPP_FUNCTION(3, "uart1", "txd")),
+ MPP_MODE(9,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "d6"),
+ MPP_FUNCTION(3, "spi0", "cs1n")),
+ MPP_MODE(10,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "d7")),
+ MPP_MODE(11,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(3, "uart0", "txd")),
+ MPP_MODE(12,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(1, "sdio", "pw_off"),
+ MPP_FUNCTION(2, "sdio", "hw_rst")),
+ MPP_MODE(13,
+ MPP_FUNCTION(0, "gpio", NULL)),
+ MPP_MODE(14,
+ MPP_FUNCTION(0, "gpio", NULL)),
+ MPP_MODE(15,
+ MPP_FUNCTION(0, "gpio", NULL)),
+ MPP_MODE(16,
+ MPP_FUNCTION(0, "gpio", NULL)),
+ MPP_MODE(17,
+ MPP_FUNCTION(0, "gpio", NULL)),
+ MPP_MODE(18,
+ MPP_FUNCTION(0, "gpio", NULL)),
+ MPP_MODE(19,
+ MPP_FUNCTION(0, "gpio", NULL),
+ MPP_FUNCTION(3, "uart0", "rxd"),
+ MPP_FUNCTION(4, "sdio", "pw_off")),
+};
+
+static struct mvebu_pinctrl_soc_info armada_ap806_pinctrl_info;
+
+static const struct of_device_id armada_ap806_pinctrl_of_match[] = {
+ {
+ .compatible = "marvell,ap806-pinctrl",
+ },
+ { },
+};
+
+static const struct mvebu_mpp_ctrl armada_ap806_mpp_controls[] = {
+ MPP_FUNC_CTRL(0, 19, NULL, mvebu_regmap_mpp_ctrl),
+};
+
+static struct pinctrl_gpio_range armada_ap806_mpp_gpio_ranges[] = {
+ MPP_GPIO_RANGE(0, 0, 0, 20),
+};
+
+static int armada_ap806_pinctrl_probe(struct platform_device *pdev)
+{
+ struct mvebu_pinctrl_soc_info *soc = &armada_ap806_pinctrl_info;
+ const struct of_device_id *match =
+ of_match_device(armada_ap806_pinctrl_of_match, &pdev->dev);
+
+ if (!match || !pdev->dev.parent)
+ return -ENODEV;
+
+ soc->variant = 0; /* no variants for Armada AP806 */
+ soc->controls = armada_ap806_mpp_controls;
+ soc->ncontrols = ARRAY_SIZE(armada_ap806_mpp_controls);
+ soc->gpioranges = armada_ap806_mpp_gpio_ranges;
+ soc->ngpioranges = ARRAY_SIZE(armada_ap806_mpp_gpio_ranges);
+ soc->modes = armada_ap806_mpp_modes;
+ soc->nmodes = armada_ap806_mpp_controls[0].npins;
+
+ pdev->dev.platform_data = soc;
+
+ return mvebu_pinctrl_simple_regmap_probe(pdev, pdev->dev.parent, 0);
+}
+
+static struct platform_driver armada_ap806_pinctrl_driver = {
+ .driver = {
+ .name = "armada-ap806-pinctrl",
+ .of_match_table = of_match_ptr(armada_ap806_pinctrl_of_match),
+ },
+ .probe = armada_ap806_pinctrl_probe,
+};
+
+builtin_platform_driver(armada_ap806_pinctrl_driver);