xref: /openbmc/linux/arch/sh/include/asm/timex.h (revision 842ed298)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * linux/include/asm-sh/timex.h
4  *
5  * sh architecture timex specifications
6  */
7 #ifndef __ASM_SH_TIMEX_H
8 #define __ASM_SH_TIMEX_H
9 
10 /*
11  * Only parts using the legacy CPG code for their clock framework
12  * implementation need to define their own Pclk value. If provided, this
13  * can be used for accurately setting CLOCK_TICK_RATE, otherwise we
14  * simply fall back on the i8253 PIT value.
15  */
16 #ifdef CONFIG_SH_PCLK_FREQ
17 #define CLOCK_TICK_RATE		(CONFIG_SH_PCLK_FREQ / 4) /* Underlying HZ */
18 #else
19 #define CLOCK_TICK_RATE		1193180
20 #endif
21 
22 #include <asm-generic/timex.h>
23 
24 #endif /* __ASM_SH_TIMEX_H */
25