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-rw-r--r--arch/sh/include/asm/timex.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/sh/include/asm/timex.h b/arch/sh/include/asm/timex.h
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+++ b/arch/sh/include/asm/timex.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * linux/include/asm-sh/timex.h
+ *
+ * sh architecture timex specifications
+ */
+#ifndef __ASM_SH_TIMEX_H
+#define __ASM_SH_TIMEX_H
+
+/*
+ * Only parts using the legacy CPG code for their clock framework
+ * implementation need to define their own Pclk value. If provided, this
+ * can be used for accurately setting CLOCK_TICK_RATE, otherwise we
+ * simply fall back on the i8253 PIT value.
+ */
+#ifdef CONFIG_SH_PCLK_FREQ
+#define CLOCK_TICK_RATE (CONFIG_SH_PCLK_FREQ / 4) /* Underlying HZ */
+#else
+#define CLOCK_TICK_RATE 1193180
+#endif
+
+#include <asm-generic/timex.h>
+
+#endif /* __ASM_SH_TIMEX_H */