Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / clocksource / samsung_pwm.h

diff --git a/kernel/include/clocksource/samsung_pwm.h b/kernel/include/clocksource/samsung_pwm.h
new file mode 100644 (file)
index 0000000..0c7d48b
--- /dev/null
+++ b/kernel/include/clocksource/samsung_pwm.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#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 */