1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
3 * This header provides constants for rt4831 backlight bindings.
5 * Copyright (C) 2020, Richtek Technology Corp.
6 * Author: ChiYuan Huang <cy_huang@richtek.com>
9 #ifndef _DT_BINDINGS_RT4831_BACKLIGHT_H
10 #define _DT_BINDINGS_RT4831_BACKLIGHT_H
12 #define RT4831_BLOVPLVL_17V 0
13 #define RT4831_BLOVPLVL_21V 1
14 #define RT4831_BLOVPLVL_25V 2
15 #define RT4831_BLOVPLVL_29V 3
17 #define RT4831_BLED_CH1EN (1 << 0)
18 #define RT4831_BLED_CH2EN (1 << 1)
19 #define RT4831_BLED_CH3EN (1 << 2)
20 #define RT4831_BLED_CH4EN (1 << 3)
21 #define RT4831_BLED_ALLCHEN ((1 << 4) - 1)
23 #endif /* _DT_BINDINGS_RT4831_BACKLIGHT_H */