linux-stable/include/dt-bindings/leds/rt4831-backlight.h
ChiYuan Huang 4f10f31e72 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>
2021-06-02 10:50:00 +01:00

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C

/* 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 */