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