| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Copyright (C) 2013 Samsung Electronics Co., Ltd. |
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| 4 | */ |
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| 5 | #ifndef __CLOCKSOURCE_SAMSUNG_PWM_H |
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| 6 | #define __CLOCKSOURCE_SAMSUNG_PWM_H |
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| 7 | |
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| 8 | #include <linux/spinlock.h> |
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| 9 | |
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| 10 | #define SAMSUNG_PWM_NUM 5 |
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| 11 | |
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| 12 | /* |
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| 13 | * Following declaration must be in an ifdef due to this symbol being static |
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| 14 | * in pwm-samsung driver if the clocksource driver is not compiled in and the |
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| 15 | * spinlock is not shared between both drivers. |
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| 16 | */ |
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| 17 | #ifdef CONFIG_CLKSRC_SAMSUNG_PWM |
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| 18 | extern spinlock_t samsung_pwm_lock; |
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| 19 | #endif |
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| 20 | |
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| 21 | struct samsung_pwm_variant { |
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| 22 | u8 bits; |
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| 23 | u8 div_base; |
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| 24 | u8 tclk_mask; |
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| 25 | u8 output_mask; |
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| 26 | bool has_tint_cstat; |
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| 27 | }; |
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| 28 | |
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| 29 | void samsung_pwm_clocksource_init(void __iomem *base, |
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| 30 | unsigned int *irqs, |
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| 31 | const struct samsung_pwm_variant *variant); |
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| 32 | |
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| 33 | #endif /* __CLOCKSOURCE_SAMSUNG_PWM_H */ |
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| 34 | |
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