Commit 99c15650 authored by Simon Glass's avatar Simon Glass

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: default avatarSimon Glass <sjg@chromium.org>
parent 9119820b
/*
* (C) Copyright 2015 Google, Inc
*
* (C) Copyright 2008-2014 Rockchip Electronics
* Peter, Software Engineering, <superpeter.cai@gmail.com>.
*
* 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
......@@ -6,4 +6,5 @@
#
obj-$(CONFIG_CLK) += clk-uclass.o
obj-$(CONFIG_ROCKCHIP_RK3288) += clk_rk3288.o
obj-$(CONFIG_SANDBOX) += clk_sandbox.o
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