1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2013 Samsung Electronics Co., Ltd. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun #ifndef __CLOCKSOURCE_SAMSUNG_PWM_H 6*4882a593Smuzhiyun #define __CLOCKSOURCE_SAMSUNG_PWM_H 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <linux/spinlock.h> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #define SAMSUNG_PWM_NUM 5 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* 13*4882a593Smuzhiyun * Following declaration must be in an ifdef due to this symbol being static 14*4882a593Smuzhiyun * in pwm-samsung driver if the clocksource driver is not compiled in and the 15*4882a593Smuzhiyun * spinlock is not shared between both drivers. 16*4882a593Smuzhiyun */ 17*4882a593Smuzhiyun #ifdef CONFIG_CLKSRC_SAMSUNG_PWM 18*4882a593Smuzhiyun extern spinlock_t samsung_pwm_lock; 19*4882a593Smuzhiyun #endif 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun struct samsung_pwm_variant { 22*4882a593Smuzhiyun u8 bits; 23*4882a593Smuzhiyun u8 div_base; 24*4882a593Smuzhiyun u8 tclk_mask; 25*4882a593Smuzhiyun u8 output_mask; 26*4882a593Smuzhiyun bool has_tint_cstat; 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun void samsung_pwm_clocksource_init(void __iomem *base, 30*4882a593Smuzhiyun unsigned int *irqs, struct samsung_pwm_variant *variant); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #endif /* __CLOCKSOURCE_SAMSUNG_PWM_H */ 33