From 99c156508286ff0338c78b24e2498bb17362af1d Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 30 Aug 2015 16:55:31 -0600 Subject: rockchip: rk3288: Add clock driver Add a driver for setting up and modifying the various PLLs and peripheral clocks on the RK3288. Signed-off-by: Simon Glass --- arch/arm/include/asm/arch-rockchip/cru_rk3288.h | 185 ++++++++++++++++++++++++ 1 file changed, 185 insertions(+) create mode 100644 arch/arm/include/asm/arch-rockchip/cru_rk3288.h (limited to 'arch/arm/include/asm/arch-rockchip') diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3288.h b/arch/arm/include/asm/arch-rockchip/cru_rk3288.h new file mode 100644 index 0000000..7ebcc40 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/cru_rk3288.h @@ -0,0 +1,185 @@ +/* + * (C) Copyright 2015 Google, Inc + * + * (C) Copyright 2008-2014 Rockchip Electronics + * Peter, Software Engineering, . + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _ASM_ARCH_CRU_RK3288_H +#define _ASM_ARCH_CRU_RK3288_H + +#define OSC_HZ (24 * 1000 * 1000) + +#define APLL_HZ (1800 * 1000000) +#define GPLL_HZ (594 * 1000000) +#define CPLL_HZ (384 * 1000000) +#define NPLL_HZ (384 * 1000000) + +/* The SRAM is clocked off aclk_bus, so we want to max it out for boot speed */ +#define PD_BUS_ACLK_HZ 297000000 +#define PD_BUS_HCLK_HZ 148500000 +#define PD_BUS_PCLK_HZ 74250000 + +#define PERI_ACLK_HZ 148500000 +#define PERI_HCLK_HZ 148500000 +#define PERI_PCLK_HZ 74250000 + +struct rk3288_cru { + struct rk3288_pll { + u32 con0; + u32 con1; + u32 con2; + u32 con3; + } pll[5]; + u32 cru_mode_con; + u32 reserved0[3]; + u32 cru_clksel_con[43]; + u32 reserved1[21]; + u32 cru_clkgate_con[19]; + u32 reserved2; + u32 cru_glb_srst_fst_value; + u32 cru_glb_srst_snd_value; + u32 cru_softrst_con[12]; + u32 cru_misc_con; + u32 cru_glb_cnt_th; + u32 cru_glb_rst_con; + u32 reserved3; + u32 cru_glb_rst_st; + u32 reserved4; + u32 cru_sdmmc_con[2]; + u32 cru_sdio0_con[2]; + u32 cru_sdio1_con[2]; + u32 cru_emmc_con[2]; +}; +check_member(rk3288_cru, cru_emmc_con[1], 0x021c); + +/* CRU_CLKSEL11_CON */ +enum { + HSICPHY_DIV_SHIFT = 8, + HSICPHY_DIV_MASK = 0x3f, + + MMC0_PLL_SHIFT = 6, + MMC0_PLL_MASK = 3, + MMC0_PLL_SELECT_CODEC = 0, + MMC0_PLL_SELECT_GENERAL, + MMC0_PLL_SELECT_24MHZ, + + MMC0_DIV_SHIFT = 0, + MMC0_DIV_MASK = 0x3f, +}; + +/* CRU_CLKSEL12_CON */ +enum { + EMMC_PLL_SHIFT = 0xe, + EMMC_PLL_MASK = 3, + EMMC_PLL_SELECT_CODEC = 0, + EMMC_PLL_SELECT_GENERAL, + EMMC_PLL_SELECT_24MHZ, + + EMMC_DIV_SHIFT = 8, + EMMC_DIV_MASK = 0x3f, + + SDIO0_PLL_SHIFT = 6, + SDIO0_PLL_MASK = 3, + SDIO0_PLL_SELECT_CODEC = 0, + SDIO0_PLL_SELECT_GENERAL, + SDIO0_PLL_SELECT_24MHZ, + + SDIO0_DIV_SHIFT = 0, + SDIO0_DIV_MASK = 0x3f, +}; + +/* CRU_CLKSEL25_CON */ +enum { + SPI1_PLL_SHIFT = 0xf, + SPI1_PLL_MASK = 1, + SPI1_PLL_SELECT_CODEC = 0, + SPI1_PLL_SELECT_GENERAL, + + SPI1_DIV_SHIFT = 8, + SPI1_DIV_MASK = 0x7f, + + SPI0_PLL_SHIFT = 7, + SPI0_PLL_MASK = 1, + SPI0_PLL_SELECT_CODEC = 0, + SPI0_PLL_SELECT_GENERAL, + + SPI0_DIV_SHIFT = 0, + SPI0_DIV_MASK = 0x7f, +}; + +/* CRU_CLKSEL39_CON */ +enum { + ACLK_HEVC_PLL_SHIFT = 0xe, + ACLK_HEVC_PLL_MASK = 3, + ACLK_HEVC_PLL_SELECT_CODEC = 0, + ACLK_HEVC_PLL_SELECT_GENERAL, + ACLK_HEVC_PLL_SELECT_NEW, + + ACLK_HEVC_DIV_SHIFT = 8, + ACLK_HEVC_DIV_MASK = 0x1f, + + SPI2_PLL_SHIFT = 7, + SPI2_PLL_MASK = 1, + SPI2_PLL_SELECT_CODEC = 0, + SPI2_PLL_SELECT_GENERAL, + + SPI2_DIV_SHIFT = 0, + SPI2_DIV_MASK = 0x7f, +}; + +/* CRU_MODE_CON */ +enum { + NPLL_WORK_SHIFT = 0xe, + NPLL_WORK_MASK = 3, + NPLL_WORK_SLOW = 0, + NPLL_WORK_NORMAL, + NPLL_WORK_DEEP, + + GPLL_WORK_SHIFT = 0xc, + GPLL_WORK_MASK = 3, + GPLL_WORK_SLOW = 0, + GPLL_WORK_NORMAL, + GPLL_WORK_DEEP, + + CPLL_WORK_SHIFT = 8, + CPLL_WORK_MASK = 3, + CPLL_WORK_SLOW = 0, + CPLL_WORK_NORMAL, + CPLL_WORK_DEEP, + + DPLL_WORK_SHIFT = 4, + DPLL_WORK_MASK = 3, + DPLL_WORK_SLOW = 0, + DPLL_WORK_NORMAL, + DPLL_WORK_DEEP, + + APLL_WORK_SHIFT = 0, + APLL_WORK_MASK = 3, + APLL_WORK_SLOW = 0, + APLL_WORK_NORMAL, + APLL_WORK_DEEP, +}; + +/* CRU_APLL_CON0 */ +enum { + CLKR_SHIFT = 8, + CLKR_MASK = 0x3f, + + CLKOD_SHIFT = 0, + CLKOD_MASK = 0xf, +}; + +/* CRU_APLL_CON1 */ +enum { + LOCK_SHIFT = 0x1f, + LOCK_MASK = 1, + LOCK_UNLOCK = 0, + LOCK_LOCK, + + CLKF_SHIFT = 0, + CLKF_MASK = 0x1fff, +}; + +#endif -- cgit v1.1