pinctrl: add imx8m driver

Add i.mx8m pinctrl driver.

Signed-off-by: Peng Fan <peng.fan@nxp.com>

3 files changed, 51 insertions, 0 deletions

diff --git a/drivers/pinctrl/nxp/Kconfig b/drivers/pinctrl/nxp/Kconfig
index f1d5a5c50d..61f93be42d 100644
--- a/drivers/pinctrl/nxp/Kconfig
+++ b/drivers/pinctrl/nxp/Kconfig
@@ -75,6 +75,20 @@ config PINCTRL_IMX8
 	  only parses the 'fsl,pins' property and configures related
 	  registers.
 
+config PINCTRL_IMX8M
+	bool "IMX8M pinctrl driver"
+	depends on ARCH_IMX8M && PINCTRL_FULL
+	select DEVRES
+	select PINCTRL_IMX
+	help
+	  Say Y here to enable the imx8m pinctrl driver
+
+	  This provides a simple pinctrl driver for i.MX8M SoC familiy.
+	  This feature depends on device tree configuration. This driver
+	  is different from the linux one, this is a simple implementation,
+	  only parses the 'fsl,pins' property and configure related
+	  registers.
+
 config PINCTRL_VYBRID
 	bool "Vybrid (vf610) pinctrl driver"
 	depends on ARCH_VF610 && PINCTRL_FULL
diff --git a/drivers/pinctrl/nxp/Makefile b/drivers/pinctrl/nxp/Makefile
index 891ee6e477..b340d9448a 100644
--- a/drivers/pinctrl/nxp/Makefile
+++ b/drivers/pinctrl/nxp/Makefile
@@ -5,4 +5,5 @@ obj-$(CONFIG_PINCTRL_IMX7)		+= pinctrl-imx7.o
 obj-$(CONFIG_PINCTRL_IMX7ULP)		+= pinctrl-imx7ulp.o
 obj-$(CONFIG_PINCTRL_IMX_SCU)		+= pinctrl-scu.o
 obj-$(CONFIG_PINCTRL_IMX8)		+= pinctrl-imx8.o
+obj-$(CONFIG_PINCTRL_IMX8M)		+= pinctrl-imx8m.o
 obj-$(CONFIG_PINCTRL_VYBRID)		+= pinctrl-vf610.o
diff --git a/drivers/pinctrl/nxp/pinctrl-imx8m.c b/drivers/pinctrl/nxp/pinctrl-imx8m.c
new file mode 100644
index 0000000000..8bb03b7a62
--- /dev/null
+++ b/drivers/pinctrl/nxp/pinctrl-imx8m.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ */
+
+#include <dm/device.h>
+#include <dm/pinctrl.h>
+
+#include "pinctrl-imx.h"
+
+static struct imx_pinctrl_soc_info imx8mq_pinctrl_soc_info;
+
+static int imx8mq_pinctrl_probe(struct udevice *dev)
+{
+	struct imx_pinctrl_soc_info *info =
+		(struct imx_pinctrl_soc_info *)dev_get_driver_data(dev);
+
+	return imx_pinctrl_probe(dev, info);
+}
+
+static const struct udevice_id imx8m_pinctrl_match[] = {
+	{ .compatible = "fsl,imx8mq-iomuxc", .data = (ulong)&imx8mq_pinctrl_soc_info },
+	{ .compatible = "fsl,imx8mm-iomuxc", .data = (ulong)&imx8mq_pinctrl_soc_info },
+	{ /* sentinel */ }
+};
+
+U_BOOT_DRIVER(imx8mq_pinctrl) = {
+	.name = "imx8mq-pinctrl",
+	.id = UCLASS_PINCTRL,
+	.of_match = of_match_ptr(imx8m_pinctrl_match),
+	.probe = imx8mq_pinctrl_probe,
+	.remove = imx_pinctrl_remove,
+	.priv_auto_alloc_size = sizeof(struct imx_pinctrl_priv),
+	.ops = &imx_pinctrl_ops,
+	.flags = DM_FLAG_PRE_RELOC,
+};