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
18extern spinlock_t samsung_pwm_lock;
19#endif
20
21struct 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
29void 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