1*4f10f31eSChiYuan Huang /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ 2*4f10f31eSChiYuan Huang /* 3*4f10f31eSChiYuan Huang * This header provides constants for rt4831 backlight bindings. 4*4f10f31eSChiYuan Huang * 5*4f10f31eSChiYuan Huang * Copyright (C) 2020, Richtek Technology Corp. 6*4f10f31eSChiYuan Huang * Author: ChiYuan Huang <cy_huang@richtek.com> 7*4f10f31eSChiYuan Huang */ 8*4f10f31eSChiYuan Huang 9*4f10f31eSChiYuan Huang #ifndef _DT_BINDINGS_RT4831_BACKLIGHT_H 10*4f10f31eSChiYuan Huang #define _DT_BINDINGS_RT4831_BACKLIGHT_H 11*4f10f31eSChiYuan Huang 12*4f10f31eSChiYuan Huang #define RT4831_BLOVPLVL_17V 0 13*4f10f31eSChiYuan Huang #define RT4831_BLOVPLVL_21V 1 14*4f10f31eSChiYuan Huang #define RT4831_BLOVPLVL_25V 2 15*4f10f31eSChiYuan Huang #define RT4831_BLOVPLVL_29V 3 16*4f10f31eSChiYuan Huang 17*4f10f31eSChiYuan Huang #define RT4831_BLED_CH1EN (1 << 0) 18*4f10f31eSChiYuan Huang #define RT4831_BLED_CH2EN (1 << 1) 19*4f10f31eSChiYuan Huang #define RT4831_BLED_CH3EN (1 << 2) 20*4f10f31eSChiYuan Huang #define RT4831_BLED_CH4EN (1 << 3) 21*4f10f31eSChiYuan Huang #define RT4831_BLED_ALLCHEN ((1 << 4) - 1) 22*4f10f31eSChiYuan Huang 23*4f10f31eSChiYuan Huang #endif /* _DT_BINDINGS_RT4831_BACKLIGHT_H */ 24