1 /* SPDX-License-Identifier:    GPL-2.0
2  *
3  * Copyright (C) 2018 Marvell International Ltd.
4  *
5  * https://spdx.org/licenses
6  */
7 
8 #ifndef __CLOCK_H__
9 #define __CLOCK_H__
10 
11 /** System PLL reference clock */
12 #define PLL_REF_CLK                     50000000        /* 50 MHz */
13 #define NS_PER_REF_CLK_TICK             (1000000000 / PLL_REF_CLK)
14 
15 /**
16  * Returns the I/O clock speed in Hz
17  */
18 u64 octeontx_get_io_clock(void);
19 
20 /**
21  * Returns the core clock speed in Hz
22  */
23 u64 octeontx_get_core_clock(void);
24 
25 #endif /* __CLOCK_H__ */
26