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