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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
*
* Common Clock Framework support for all PLL's in Samsung platforms
*/
#ifndef __SAMSUNG_CLK_CPU_H
#define __SAMSUNG_CLK_CPU_H
/* The CPU clock registers have DIV1 configuration register */
#define CLK_CPU_HAS_DIV1 BIT(0)
/* When ALT parent is active, debug clocks need safe divider values */
#define CLK_CPU_NEEDS_DEBUG_ALT_DIV BIT(1)
/**
* enum exynos_cpuclk_layout - CPU clock registers layout compatibility
* @CPUCLK_LAYOUT_E4210: Exynos4210 compatible layout
* @CPUCLK_LAYOUT_E5433: Exynos5433 compatible layout
* @CPUCLK_LAYOUT_E850_CL0: Exynos850 cluster 0 compatible layout
* @CPUCLK_LAYOUT_E850_CL1: Exynos850 cluster 1 compatible layout
*/
enum exynos_cpuclk_layout {
CPUCLK_LAYOUT_E4210,
CPUCLK_LAYOUT_E5433,
CPUCLK_LAYOUT_E850_CL0,
CPUCLK_LAYOUT_E850_CL1,
};
/**
* struct exynos_cpuclk_cfg_data - config data to setup cpu clocks
* @prate: frequency of the primary parent clock (in KHz)
* @div0: value to be programmed in the div_cpu0 register
* @div1: value to be programmed in the div_cpu1 register
*
* This structure holds the divider configuration data for dividers in the CPU
* clock domain. The parent frequency at which these divider values are valid is
* specified in @prate. The @prate is the frequency of the primary parent clock.
* For CPU clock domains that do not have a DIV1 register, the @div1 member
* value is not used.
*/
struct exynos_cpuclk_cfg_data {
unsigned long prate;
unsigned long div0;
unsigned long div1;
};
#endif /* __SAMSUNG_CLK_CPU_H */
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