|  | /* SPDX-License-Identifier: GPL-2.0-only */ | 
|  | /* | 
|  | * Copyright (C) 2013 Samsung Electronics Co., Ltd. | 
|  | */ | 
|  | #ifndef __CLOCKSOURCE_SAMSUNG_PWM_H | 
|  | #define __CLOCKSOURCE_SAMSUNG_PWM_H | 
|  |  | 
|  | #include <linux/spinlock.h> | 
|  |  | 
|  | #define SAMSUNG_PWM_NUM		5 | 
|  |  | 
|  | /* | 
|  | * Following declaration must be in an ifdef due to this symbol being static | 
|  | * in pwm-samsung driver if the clocksource driver is not compiled in and the | 
|  | * spinlock is not shared between both drivers. | 
|  | */ | 
|  | #ifdef CONFIG_CLKSRC_SAMSUNG_PWM | 
|  | extern spinlock_t samsung_pwm_lock; | 
|  | #endif | 
|  |  | 
|  | struct samsung_pwm_variant { | 
|  | u8 bits; | 
|  | u8 div_base; | 
|  | u8 tclk_mask; | 
|  | u8 output_mask; | 
|  | bool has_tint_cstat; | 
|  | }; | 
|  |  | 
|  | void samsung_pwm_clocksource_init(void __iomem *base, | 
|  | unsigned int *irqs, | 
|  | const struct samsung_pwm_variant *variant); | 
|  |  | 
|  | #endif /* __CLOCKSOURCE_SAMSUNG_PWM_H */ |