From 045029cbd16782031fceede2808b4905214f0921 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Fri, 23 Jun 2017 17:17:49 +0800 Subject: rockchip: rk322x: add clock driver Add clock driver init support for: - cpu, bus clock init; - emmc, sdmmc clock; - ddr clock; Signed-off-by: Kever Yang Reviewed-by: Philipp Tomsich Fixed format specified (%x -> %p) in clk_rk322x.c: Signed-off-by: Philipp Tomsich --- arch/arm/include/asm/arch-rockchip/cru_rk322x.h | 215 ++++++++++++++++++++++++ 1 file changed, 215 insertions(+) create mode 100644 arch/arm/include/asm/arch-rockchip/cru_rk322x.h (limited to 'arch/arm') diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk322x.h b/arch/arm/include/asm/arch-rockchip/cru_rk322x.h new file mode 100644 index 0000000..2a2f804 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/cru_rk322x.h @@ -0,0 +1,215 @@ +/* + * (C) Copyright 2017 Rockchip Electronics Co., Ltd. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _ASM_ARCH_CRU_RK322X_H +#define _ASM_ARCH_CRU_RK322X_H + +#include + +#define MHz 1000000 +#define OSC_HZ (24 * MHz) + +#define APLL_HZ (600 * MHz) +#define GPLL_HZ (594 * MHz) + +#define CORE_PERI_HZ 150000000 +#define CORE_ACLK_HZ 300000000 + +#define BUS_ACLK_HZ 148500000 +#define BUS_HCLK_HZ 148500000 +#define BUS_PCLK_HZ 74250000 + +#define PERI_ACLK_HZ 148500000 +#define PERI_HCLK_HZ 148500000 +#define PERI_PCLK_HZ 74250000 + +/* Private data for the clock driver - used by rockchip_get_cru() */ +struct rk322x_clk_priv { + struct rk322x_cru *cru; + ulong rate; +}; + +struct rk322x_cru { + struct rk322x_pll { + unsigned int con0; + unsigned int con1; + unsigned int con2; + } pll[4]; + unsigned int reserved0[4]; + unsigned int cru_mode_con; + unsigned int cru_clksel_con[35]; + unsigned int cru_clkgate_con[16]; + unsigned int cru_softrst_con[9]; + unsigned int cru_misc_con; + unsigned int reserved1[2]; + unsigned int cru_glb_cnt_th; + unsigned int reserved2[3]; + unsigned int cru_glb_rst_st; + unsigned int reserved3[(0x1c0 - 0x150) / 4 - 1]; + unsigned int cru_sdmmc_con[2]; + unsigned int cru_sdio_con[2]; + unsigned int reserved4[2]; + unsigned int cru_emmc_con[2]; + unsigned int reserved5[4]; + unsigned int cru_glb_srst_fst_value; + unsigned int cru_glb_srst_snd_value; + unsigned int cru_pll_mask_con; +}; +check_member(rk322x_cru, cru_pll_mask_con, 0x01f8); + +struct pll_div { + u32 refdiv; + u32 fbdiv; + u32 postdiv1; + u32 postdiv2; + u32 frac; +}; + +enum { + /* PLLCON0*/ + PLL_BP_SHIFT = 15, + PLL_POSTDIV1_SHIFT = 12, + PLL_POSTDIV1_MASK = 7 << PLL_POSTDIV1_SHIFT, + PLL_FBDIV_SHIFT = 0, + PLL_FBDIV_MASK = 0xfff, + + /* PLLCON1 */ + PLL_RST_SHIFT = 14, + PLL_PD_SHIFT = 13, + PLL_PD_MASK = 1 << PLL_PD_SHIFT, + PLL_DSMPD_SHIFT = 12, + PLL_DSMPD_MASK = 1 << PLL_DSMPD_SHIFT, + PLL_LOCK_STATUS_SHIFT = 10, + PLL_LOCK_STATUS_MASK = 1 << PLL_LOCK_STATUS_SHIFT, + PLL_POSTDIV2_SHIFT = 6, + PLL_POSTDIV2_MASK = 7 << PLL_POSTDIV2_SHIFT, + PLL_REFDIV_SHIFT = 0, + PLL_REFDIV_MASK = 0x3f, + + /* CRU_MODE */ + GPLL_MODE_SHIFT = 12, + GPLL_MODE_MASK = 1 << GPLL_MODE_SHIFT, + GPLL_MODE_SLOW = 0, + GPLL_MODE_NORM, + CPLL_MODE_SHIFT = 8, + CPLL_MODE_MASK = 1 << CPLL_MODE_SHIFT, + CPLL_MODE_SLOW = 0, + CPLL_MODE_NORM, + DPLL_MODE_SHIFT = 4, + DPLL_MODE_MASK = 1 << DPLL_MODE_SHIFT, + DPLL_MODE_SLOW = 0, + DPLL_MODE_NORM, + APLL_MODE_SHIFT = 0, + APLL_MODE_MASK = 1 << APLL_MODE_SHIFT, + APLL_MODE_SLOW = 0, + APLL_MODE_NORM, + + /* CRU_CLK_SEL0_CON */ + BUS_ACLK_PLL_SEL_SHIFT = 13, + BUS_ACLK_PLL_SEL_MASK = 3 << BUS_ACLK_PLL_SEL_SHIFT, + BUS_ACLK_PLL_SEL_APLL = 0, + BUS_ACLK_PLL_SEL_GPLL, + BUS_ACLK_PLL_SEL_HDMIPLL, + BUS_ACLK_DIV_SHIFT = 8, + BUS_ACLK_DIV_MASK = 0x1f << BUS_ACLK_DIV_SHIFT, + CORE_CLK_PLL_SEL_SHIFT = 6, + CORE_CLK_PLL_SEL_MASK = 3 << CORE_CLK_PLL_SEL_SHIFT, + CORE_CLK_PLL_SEL_APLL = 0, + CORE_CLK_PLL_SEL_GPLL, + CORE_CLK_PLL_SEL_DPLL, + CORE_DIV_CON_SHIFT = 0, + CORE_DIV_CON_MASK = 0x1f << CORE_DIV_CON_SHIFT, + + /* CRU_CLK_SEL1_CON */ + BUS_PCLK_DIV_SHIFT = 12, + BUS_PCLK_DIV_MASK = 7 << BUS_PCLK_DIV_SHIFT, + BUS_HCLK_DIV_SHIFT = 8, + BUS_HCLK_DIV_MASK = 3 << BUS_HCLK_DIV_SHIFT, + CORE_ACLK_DIV_SHIFT = 4, + CORE_ACLK_DIV_MASK = 7 << CORE_ACLK_DIV_SHIFT, + CORE_PERI_DIV_SHIFT = 0, + CORE_PERI_DIV_MASK = 0xf << CORE_PERI_DIV_SHIFT, + + /* CRU_CLKSEL5_CON */ + GMAC_OUT_PLL_SHIFT = 15, + GMAC_OUT_PLL_MASK = 1 << GMAC_OUT_PLL_SHIFT, + GMAC_OUT_DIV_SHIFT = 8, + GMAC_OUT_DIV_MASK = 0x1f << GMAC_OUT_DIV_SHIFT, + MAC_PLL_SEL_SHIFT = 7, + MAC_PLL_SEL_MASK = 1 << MAC_PLL_SEL_SHIFT, + RMII_EXTCLK_SLE_SHIFT = 5, + RMII_EXTCLK_SEL_MASK = 1 << RMII_EXTCLK_SLE_SHIFT, + RMII_EXTCLK_SEL_INT = 0, + RMII_EXTCLK_SEL_EXT, + CLK_MAC_DIV_SHIFT = 0, + CLK_MAC_DIV_MASK = 0x1f << CLK_MAC_DIV_SHIFT, + + /* CRU_CLKSEL10_CON */ + PERI_PCLK_DIV_SHIFT = 12, + PERI_PCLK_DIV_MASK = 7 << PERI_PCLK_DIV_SHIFT, + PERI_PLL_SEL_SHIFT = 10, + PERI_PLL_SEL_MASK = 3 << PERI_PLL_SEL_SHIFT, + PERI_PLL_CPLL = 0, + PERI_PLL_GPLL, + PERI_PLL_HDMIPLL, + PERI_HCLK_DIV_SHIFT = 8, + PERI_HCLK_DIV_MASK = 3 << PERI_HCLK_DIV_SHIFT, + PERI_ACLK_DIV_SHIFT = 0, + PERI_ACLK_DIV_MASK = 0x1f << PERI_ACLK_DIV_SHIFT, + + /* CRU_CLKSEL11_CON */ + EMMC_PLL_SHIFT = 12, + EMMC_PLL_MASK = 3 << EMMC_PLL_SHIFT, + EMMC_SEL_APLL = 0, + EMMC_SEL_DPLL, + EMMC_SEL_GPLL, + EMMC_SEL_24M, + SDIO_PLL_SHIFT = 10, + SDIO_PLL_MASK = 3 << SDIO_PLL_SHIFT, + SDIO_SEL_APLL = 0, + SDIO_SEL_DPLL, + SDIO_SEL_GPLL, + SDIO_SEL_24M, + MMC0_PLL_SHIFT = 8, + MMC0_PLL_MASK = 3 << MMC0_PLL_SHIFT, + MMC0_SEL_APLL = 0, + MMC0_SEL_DPLL, + MMC0_SEL_GPLL, + MMC0_SEL_24M, + MMC0_DIV_SHIFT = 0, + MMC0_DIV_MASK = 0xff << MMC0_DIV_SHIFT, + + /* CRU_CLKSEL12_CON */ + EMMC_DIV_SHIFT = 8, + EMMC_DIV_MASK = 0xff << EMMC_DIV_SHIFT, + SDIO_DIV_SHIFT = 0, + SDIO_DIV_MASK = 0xff << SDIO_DIV_SHIFT, + + /* CRU_CLKSEL26_CON */ + DDR_CLK_PLL_SEL_SHIFT = 8, + DDR_CLK_PLL_SEL_MASK = 3 << DDR_CLK_PLL_SEL_SHIFT, + DDR_CLK_SEL_DPLL = 0, + DDR_CLK_SEL_GPLL, + DDR_CLK_SEL_APLL, + DDR_DIV_SEL_SHIFT = 0, + DDR_DIV_SEL_MASK = 3 << DDR_DIV_SEL_SHIFT, + + /* CRU_CLKSEL27_CON */ + VOP_DCLK_DIV_SHIFT = 8, + VOP_DCLK_DIV_MASK = 0xff << VOP_DCLK_DIV_SHIFT, + VOP_PLL_SEL_SHIFT = 1, + VOP_PLL_SEL_MASK = 1 << VOP_PLL_SEL_SHIFT, + + /* CRU_CLKSEL29_CON */ + GMAC_CLK_SRC_SHIFT = 12, + GMAC_CLK_SRC_MASK = 1 << GMAC_CLK_SRC_SHIFT, + + /* CRU_SOFTRST5_CON */ + DDRCTRL_PSRST_SHIFT = 11, + DDRCTRL_SRST_SHIFT = 10, + DDRPHY_PSRST_SHIFT = 9, + DDRPHY_SRST_SHIFT = 8, +}; +#endif -- cgit v1.1