LXR linux/include/clocksource/samsung

   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, struct samsung_pwm_variant *variant);
  31
  32#endif /* __CLOCKSOURCE_SAMSUNG_PWM_H */
  33