dm: input: add driver model rc uclass

Change-Id: I1e9b067d49e81bd09c2d1e6c9612f0831480ce73
Signed-off-by: Zhangbin Tong <zebulun.tong@rock-chips.com>

drivers/input/Kconfig

@@ -13,6 +13,13 @@ config DM_KEY
 	help
 	  This adds a simple uclass for key.
 
+config DM_RC
+	bool "Enable driver model Remote Controller support"
+	depends on DM
+	help
+	  This adds a uclass for Remote Controllers. This is needed
+	  in order to support standalone IR receivers.
+
 config CROS_EC_KEYB
 	bool "Enable Chrome OS EC keyboard support"
 	help

drivers/input/Makefile

@@ -7,6 +7,7 @@
 
 obj-$(CONFIG_DM_KEYBOARD) += keyboard-uclass.o
 obj-$(CONFIG_DM_KEY) += key-uclass.o
+obj-$(CONFIG_DM_RC) += rc-uclass.o
 
 obj-$(CONFIG_I8042_KEYB) += i8042.o
 obj-$(CONFIG_TEGRA_KEYBOARD) += tegra-kbc.o

drivers/input/rc-uclass.c

@@ -0,0 +1,33 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <dm.h>
+#include <rc.h>
+
+int rc_get_keycode(struct udevice *dev)
+{
+	const struct dm_rc_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->get_keycode)
+		return -ENOSYS;
+
+	return ops->get_keycode(dev);
+}
+
+int rc_get_repeat(struct udevice *dev)
+{
+	const struct dm_rc_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->get_repeat)
+		return -ENOSYS;
+
+	return ops->get_repeat(dev);
+}
+
+UCLASS_DRIVER(key) = {
+	.id		= UCLASS_RC,
+	.name		= "rc",
+};

include/dm/uclass-id.h

@@ -93,6 +93,7 @@ enum uclass_id {
 	UCLASS_WDT,		/* Watchdot Timer driver */
 	UCLASS_FG,
 	UCLASS_KEY,
+	UCLASS_RC,		/* Remote Controller */
 
 	UCLASS_COUNT,
 	UCLASS_INVALID = -1,

include/rc.h

@@ -0,0 +1,18 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _RC_H_
+#define _RC_H_
+
+struct dm_rc_ops {
+	int (*get_keycode)(struct udevice *dev);
+	int (*get_repeat)(struct udevice *dev);
+};
+
+int rc_get_keycode(struct udevice *dev);
+int rc_get_repeat(struct udevice *dev);
+
+#endif