diff options
Diffstat (limited to 'include/clocksource/samsung_pwm.h')
| -rw-r--r-- | include/clocksource/samsung_pwm.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/clocksource/samsung_pwm.h b/include/clocksource/samsung_pwm.h new file mode 100644 index 000000000..c395238d0 --- /dev/null +++ b/include/clocksource/samsung_pwm.h @@ -0,0 +1,32 @@ +/* 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, struct samsung_pwm_variant *variant); + +#endif /* __CLOCKSOURCE_SAMSUNG_PWM_H */ |