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-rw-r--r--include/dt-bindings/leds/rt4831-backlight.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/dt-bindings/leds/rt4831-backlight.h b/include/dt-bindings/leds/rt4831-backlight.h
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+++ b/include/dt-bindings/leds/rt4831-backlight.h
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+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * This header provides constants for rt4831 backlight bindings.
+ *
+ * Copyright (C) 2020, Richtek Technology Corp.
+ * Author: ChiYuan Huang <cy_huang@richtek.com>
+ */
+
+#ifndef _DT_BINDINGS_RT4831_BACKLIGHT_H
+#define _DT_BINDINGS_RT4831_BACKLIGHT_H
+
+#define RT4831_BLOVPLVL_17V 0
+#define RT4831_BLOVPLVL_21V 1
+#define RT4831_BLOVPLVL_25V 2
+#define RT4831_BLOVPLVL_29V 3
+
+#define RT4831_BLED_CH1EN (1 << 0)
+#define RT4831_BLED_CH2EN (1 << 1)
+#define RT4831_BLED_CH3EN (1 << 2)
+#define RT4831_BLED_CH4EN (1 << 3)
+#define RT4831_BLED_ALLCHEN ((1 << 4) - 1)
+
+#endif /* _DT_BINDINGS_RT4831_BACKLIGHT_H */