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authorChiYuan Huang <cy_huang@richtek.com>2021-05-17 22:35:59 +0800
committerLee Jones <lee.jones@linaro.org>2021-06-02 10:50:00 +0100
commit4f10f31e72582bb68ebd39505e2f2f5ce906eb47 (patch)
tree7bf7f37ed0ba6e7269ed3b073bfdedc2995a8d0d /include/dt-bindings
parenta1649a5260631979c68e5b2012f60f90300e646f (diff)
backlight: rt4831: Adds DT binding document for Richtek RT4831 backlight
Adds DT binding document for Richtek RT4831 backlight. Signed-off-by: ChiYuan Huang <cy_huang@richtek.com> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'include/dt-bindings')
-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
new file mode 100644
index 000000000000..125c6351bba0
--- /dev/null
+++ b/include/dt-bindings/leds/rt4831-backlight.h
@@ -0,0 +1,23 @@
+/* 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 */