diff options
Diffstat (limited to 'arch/arm/include/asm/arch-octeontx/clock.h')
-rw-r--r-- | arch/arm/include/asm/arch-octeontx/clock.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-octeontx/clock.h b/arch/arm/include/asm/arch-octeontx/clock.h new file mode 100644 index 0000000000..7bf600a1f2 --- /dev/null +++ b/arch/arm/include/asm/arch-octeontx/clock.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (C) 2018 Marvell International Ltd. + * + * https://spdx.org/licenses + */ + +#ifndef __CLOCK_H__ +#define __CLOCK_H__ + +/** System PLL reference clock */ +#define PLL_REF_CLK 50000000 /* 50 MHz */ +#define NS_PER_REF_CLK_TICK (1000000000 / PLL_REF_CLK) + +/** + * Returns the I/O clock speed in Hz + */ +u64 octeontx_get_io_clock(void); + +/** + * Returns the core clock speed in Hz + */ +u64 octeontx_get_core_clock(void); + +#endif /* __CLOCK_H__ */ |