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ARM: vybrid: Provide pinctrl driver for Vybrid (vf610)

This implementation comply with other iMX devices pinctrl drivers already
available in U-boot.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Lukasz Majewski 5 years ago
parent
commit
f0b73d9707
3 changed files with 55 additions and 0 deletions
  1. 14 0
      drivers/pinctrl/nxp/Kconfig
  2. 1 0
      drivers/pinctrl/nxp/Makefile
  3. 40 0
      drivers/pinctrl/nxp/pinctrl-vf610.c

+ 14 - 0
drivers/pinctrl/nxp/Kconfig

@@ -74,3 +74,17 @@ config PINCTRL_IMX8
 	  is different from the linux one, this is a simple implementation,
 	  only parses the 'fsl,pins' property and configures related
 	  registers.
+
+config PINCTRL_VYBRID
+	bool "Vybrid (vf610) pinctrl driver"
+	depends on ARCH_VF610 && PINCTRL_FULL
+	select DEVRES
+	select PINCTRL_IMX
+	help
+	  Say Y here to enable the Vybrid (vf610) pinctrl driver
+
+	  This provides a simple pinctrl driver for Vybrid SoC familiy,
+	  vf610. 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.

+ 1 - 0
drivers/pinctrl/nxp/Makefile

@@ -5,3 +5,4 @@ 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_VYBRID)		+= pinctrl-vf610.o

+ 40 - 0
drivers/pinctrl/nxp/pinctrl-vf610.c

@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 DENX Software Engineering
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+
+#include "pinctrl-imx.h"
+
+static struct imx_pinctrl_soc_info vf610_pinctrl_soc_info = {
+	.flags = SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID,
+};
+
+static int vf610_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 vf610_pinctrl_match[] = {
+	{ .compatible = "fsl,vf610-iomuxc",
+	  .data = (ulong)&vf610_pinctrl_soc_info },
+	{ /* sentinel */ }
+};
+
+U_BOOT_DRIVER(vf610_pinctrl) = {
+	.name = "vf610-pinctrl",
+	.id = UCLASS_PINCTRL,
+	.of_match = of_match_ptr(vf610_pinctrl_match),
+	.probe = vf610_pinctrl_probe,
+	.remove = imx_pinctrl_remove,
+	.priv_auto_alloc_size = sizeof(struct imx_pinctrl_priv),
+	.ops = &imx_pinctrl_ops,
+	.flags = DM_FLAG_PRE_RELOC,
+};