1 /* $NetBSD: rt4831-backlight.h,v 1.1.1.1 2021/11/07 16:49:57 jmcneill Exp $ */ 2 3 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ 4 /* 5 * This header provides constants for rt4831 backlight bindings. 6 * 7 * Copyright (C) 2020, Richtek Technology Corp. 8 * Author: ChiYuan Huang <cy_huang@richtek.com> 9 */ 10 11 #ifndef _DT_BINDINGS_RT4831_BACKLIGHT_H 12 #define _DT_BINDINGS_RT4831_BACKLIGHT_H 13 14 #define RT4831_BLOVPLVL_17V 0 15 #define RT4831_BLOVPLVL_21V 1 16 #define RT4831_BLOVPLVL_25V 2 17 #define RT4831_BLOVPLVL_29V 3 18 19 #define RT4831_BLED_CH1EN (1 << 0) 20 #define RT4831_BLED_CH2EN (1 << 1) 21 #define RT4831_BLED_CH3EN (1 << 2) 22 #define RT4831_BLED_CH4EN (1 << 3) 23 #define RT4831_BLED_ALLCHEN ((1 << 4) - 1) 24 25 #endif /* _DT_BINDINGS_RT4831_BACKLIGHT_H */ 26