diff options
Diffstat (limited to 'arch/arm/include/asm/arch-rockchip/clock.h')
-rw-r--r-- | arch/arm/include/asm/arch-rockchip/clock.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/clock.h b/arch/arm/include/asm/arch-rockchip/clock.h deleted file mode 100644 index 0eb19ca..0000000 --- a/arch/arm/include/asm/arch-rockchip/clock.h +++ /dev/null @@ -1,103 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * (C) Copyright 2015 Google, Inc - */ - -#ifndef _ASM_ARCH_CLOCK_H -#define _ASM_ARCH_CLOCK_H - -/* define pll mode */ -#define RKCLK_PLL_MODE_SLOW 0 -#define RKCLK_PLL_MODE_NORMAL 1 - -enum { - ROCKCHIP_SYSCON_NOC, - ROCKCHIP_SYSCON_GRF, - ROCKCHIP_SYSCON_SGRF, - ROCKCHIP_SYSCON_PMU, - ROCKCHIP_SYSCON_PMUGRF, - ROCKCHIP_SYSCON_PMUSGRF, - ROCKCHIP_SYSCON_CIC, - ROCKCHIP_SYSCON_MSCH, -}; - -/* Standard Rockchip clock numbers */ -enum rk_clk_id { - CLK_OSC, - CLK_ARM, - CLK_DDR, - CLK_CODEC, - CLK_GENERAL, - CLK_NEW, - - CLK_COUNT, -}; - -static inline int rk_pll_id(enum rk_clk_id clk_id) -{ - return clk_id - 1; -} - -struct sysreset_reg { - unsigned int glb_srst_fst_value; - unsigned int glb_srst_snd_value; -}; - -struct softreset_reg { - void __iomem *base; - unsigned int sf_reset_offset; - unsigned int sf_reset_num; -}; - -/** - * clk_get_divisor() - Calculate the required clock divisior - * - * Given an input rate and a required output_rate, calculate the Rockchip - * divisor needed to achieve this. - * - * @input_rate: Input clock rate in Hz - * @output_rate: Output clock rate in Hz - * @return divisor register value to use - */ -static inline u32 clk_get_divisor(ulong input_rate, uint output_rate) -{ - uint clk_div; - - clk_div = input_rate / output_rate; - clk_div = (clk_div + 1) & 0xfffe; - - return clk_div; -} - -/** - * rockchip_get_cru() - get a pointer to the clock/reset unit registers - * - * @return pointer to registers, or -ve error on error - */ -void *rockchip_get_cru(void); - -/** - * rockchip_get_pmucru() - get a pointer to the clock/reset unit registers - * - * @return pointer to registers, or -ve error on error - */ -void *rockchip_get_pmucru(void); - -struct rk3288_cru; -struct rk3288_grf; - -void rk3288_clk_configure_cpu(struct rk3288_cru *cru, struct rk3288_grf *grf); - -int rockchip_get_clk(struct udevice **devp); - -/* - * rockchip_reset_bind() - Bind soft reset device as child of clock device - * - * @pdev: clock udevice - * @reg_offset: the first offset in cru for softreset registers - * @reg_number: the reg numbers of softreset registers - * @return 0 success, or error value - */ -int rockchip_reset_bind(struct udevice *pdev, u32 reg_offset, u32 reg_number); - -#endif |