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-rw-r--r--include/clocksource/samsung_pwm.h32
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 */