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4f10f31e72
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>
24 lines
665 B
C
24 lines
665 B
C
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
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/*
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* This header provides constants for rt4831 backlight bindings.
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*
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* Copyright (C) 2020, Richtek Technology Corp.
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* Author: ChiYuan Huang <cy_huang@richtek.com>
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*/
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#ifndef _DT_BINDINGS_RT4831_BACKLIGHT_H
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#define _DT_BINDINGS_RT4831_BACKLIGHT_H
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#define RT4831_BLOVPLVL_17V 0
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#define RT4831_BLOVPLVL_21V 1
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#define RT4831_BLOVPLVL_25V 2
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#define RT4831_BLOVPLVL_29V 3
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#define RT4831_BLED_CH1EN (1 << 0)
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#define RT4831_BLED_CH2EN (1 << 1)
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#define RT4831_BLED_CH3EN (1 << 2)
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#define RT4831_BLED_CH4EN (1 << 3)
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#define RT4831_BLED_ALLCHEN ((1 << 4) - 1)
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#endif /* _DT_BINDINGS_RT4831_BACKLIGHT_H */
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