1*5956d97fSEmmanuel Vadot /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ 2*5956d97fSEmmanuel Vadot /* 3*5956d97fSEmmanuel Vadot * This header provides constants for rt4831 backlight bindings. 4*5956d97fSEmmanuel Vadot * 5*5956d97fSEmmanuel Vadot * Copyright (C) 2020, Richtek Technology Corp. 6*5956d97fSEmmanuel Vadot * Author: ChiYuan Huang <cy_huang@richtek.com> 7*5956d97fSEmmanuel Vadot */ 8*5956d97fSEmmanuel Vadot 9*5956d97fSEmmanuel Vadot #ifndef _DT_BINDINGS_RT4831_BACKLIGHT_H 10*5956d97fSEmmanuel Vadot #define _DT_BINDINGS_RT4831_BACKLIGHT_H 11*5956d97fSEmmanuel Vadot 12*5956d97fSEmmanuel Vadot #define RT4831_BLOVPLVL_17V 0 13*5956d97fSEmmanuel Vadot #define RT4831_BLOVPLVL_21V 1 14*5956d97fSEmmanuel Vadot #define RT4831_BLOVPLVL_25V 2 15*5956d97fSEmmanuel Vadot #define RT4831_BLOVPLVL_29V 3 16*5956d97fSEmmanuel Vadot 17*5956d97fSEmmanuel Vadot #define RT4831_BLED_CH1EN (1 << 0) 18*5956d97fSEmmanuel Vadot #define RT4831_BLED_CH2EN (1 << 1) 19*5956d97fSEmmanuel Vadot #define RT4831_BLED_CH3EN (1 << 2) 20*5956d97fSEmmanuel Vadot #define RT4831_BLED_CH4EN (1 << 3) 21*5956d97fSEmmanuel Vadot #define RT4831_BLED_ALLCHEN ((1 << 4) - 1) 22*5956d97fSEmmanuel Vadot 23*5956d97fSEmmanuel Vadot #endif /* _DT_BINDINGS_RT4831_BACKLIGHT_H */ 24