ARM: uniphier: consolidate NAND pin-mux settings

The NAND subsystem has not supported the Driver Model yet, but the
NAND pin-mux data are already in the pinctrl drivers.  Use them by
calling pinctrl_generic_set_state() directly.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/arch/arm/mach-uniphier/pinctrl-glue.c b/arch/arm/mach-uniphier/pinctrl-glue.c
new file mode 100644
index 0000000000..48549e313b
--- /dev/null
+++ b/arch/arm/mach-uniphier/pinctrl-glue.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <linux/err.h>
+#include <dm/device.h>
+#include <dm/pinctrl.h>
+#include <dm/uclass.h>
+
+#include "init.h"
+
+int uniphier_pin_init(const char *pinconfig_name)
+{
+	struct udevice *pctldev, *config, *next;
+	int ret;
+
+	ret = uclass_first_device(UCLASS_PINCTRL, &pctldev);
+	if (ret)
+		return ret;
+
+	device_foreach_child_safe(config, next, pctldev) {
+		if (strcmp(config->name, pinconfig_name))
+			continue;
+
+		return pinctrl_generic_set_state(pctldev, config);
+	}
+
+	return -ENODEV;
+}