Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 120 insertions, 0 deletions

diff --git a/roms/u-boot/include/led.h b/roms/u-boot/include/led.h
new file mode 100644
index 000000000..02766fa56
--- /dev/null
+++ b/roms/u-boot/include/led.h
@@ -0,0 +1,120 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#ifndef __LED_H
+#define __LED_H
+
+struct udevice;
+
+/**
+ * struct led_uc_plat - Platform data the uclass stores about each device
+ *
+ * @label:	LED label
+ */
+struct led_uc_plat {
+	const char *label;
+};
+
+/**
+ * struct led_uc_priv - Private data the uclass stores about each device
+ *
+ * @period_ms:	Flash period in milliseconds
+ */
+struct led_uc_priv {
+	int period_ms;
+};
+
+enum led_state_t {
+	LEDST_OFF = 0,
+	LEDST_ON = 1,
+	LEDST_TOGGLE,
+#ifdef CONFIG_LED_BLINK
+	LEDST_BLINK,
+#endif
+
+	LEDST_COUNT,
+};
+
+struct led_ops {
+	/**
+	 * set_state() - set the state of an LED
+	 *
+	 * @dev:	LED device to change
+	 * @state:	LED state to set
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*set_state)(struct udevice *dev, enum led_state_t state);
+
+	/**
+	 * led_get_state() - get the state of an LED
+	 *
+	 * @dev:	LED device to change
+	 * @return LED state led_state_t, or -ve on error
+	 */
+	enum led_state_t (*get_state)(struct udevice *dev);
+
+#ifdef CONFIG_LED_BLINK
+	/**
+	 * led_set_period() - set the blink period of an LED
+	 *
+	 * Thie records the period if supported, or returns -ENOSYS if not.
+	 * To start the LED blinking, use set_state().
+	 *
+	 * @dev:	LED device to change
+	 * @period_ms:	LED blink period in milliseconds
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*set_period)(struct udevice *dev, int period_ms);
+#endif
+};
+
+#define led_get_ops(dev)	((struct led_ops *)(dev)->driver->ops)
+
+/**
+ * led_get_by_label() - Find an LED device by label
+ *
+ * @label:	LED label to look up
+ * @devp:	Returns the associated device, if found
+ * @return 0 if found, -ENODEV if not found, other -ve on error
+ */
+int led_get_by_label(const char *label, struct udevice **devp);
+
+/**
+ * led_set_state() - set the state of an LED
+ *
+ * @dev:	LED device to change
+ * @state:	LED state to set
+ * @return 0 if OK, -ve on error
+ */
+int led_set_state(struct udevice *dev, enum led_state_t state);
+
+/**
+ * led_get_state() - get the state of an LED
+ *
+ * @dev:	LED device to change
+ * @return LED state led_state_t, or -ve on error
+ */
+enum led_state_t led_get_state(struct udevice *dev);
+
+/**
+ * led_set_period() - set the blink period of an LED
+ *
+ * @dev:	LED device to change
+ * @period_ms:	LED blink period in milliseconds
+ * @return 0 if OK, -ve on error
+ */
+int led_set_period(struct udevice *dev, int period_ms);
+
+/**
+ * led_default_state() - set the default state for all the LED
+ *
+ * This enables all leds which have default state.
+ * see Documentation/devicetree/bindings/leds/common.txt
+ *
+ */
+int led_default_state(void);
+
+#endif