u-boot/arch/arm/include/asm/arch-rockchip/cru_rk3368.h
Andy Yan d1dcf8527e rockchip: rk3368: Add clock driver
Add driver to setup the various PLLs and peripheral
clocks on the RK3368.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-06-07 07:29:19 -06:00

124 lines
2.6 KiB
C

/*
* (C) Copyright 2017 Rockchip Electronics Co., Ltd
* Author: Andy Yan <andy.yan@rock-chips.com>
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ASM_ARCH_CRU_RK3368_H
#define _ASM_ARCH_CRU_RK3368_H
#include <common.h>
/* RK3368 clock numbers */
enum rk3368_pll_id {
APLLB,
APLLL,
DPLL,
CPLL,
GPLL,
NPLL,
PLL_COUNT,
};
struct rk3368_cru {
struct rk3368_pll {
unsigned int con0;
unsigned int con1;
unsigned int con2;
unsigned int con3;
} pll[6];
unsigned int reserved[0x28];
unsigned int clksel_con[56];
unsigned int reserved1[8];
unsigned int clkgate_con[25];
unsigned int reserved2[7];
unsigned int glb_srst_fst_val;
unsigned int glb_srst_snd_val;
unsigned int reserved3[0x1e];
unsigned int softrst_con[15];
unsigned int reserved4[0x11];
unsigned int misc_con;
unsigned int glb_cnt_th;
unsigned int glb_rst_con;
unsigned int glb_rst_st;
unsigned int reserved5[0x1c];
unsigned int sdmmc_con[2];
unsigned int sdio0_con[2];
unsigned int sdio1_con[2];
unsigned int emmc_con[2];
};
check_member(rk3368_cru, emmc_con[1], 0x41c);
struct rk3368_clk_priv {
struct rk3368_cru *cru;
ulong rate;
bool has_bwadj;
};
enum {
/* PLL CON0 */
PLL_NR_SHIFT = 8,
PLL_NR_MASK = GENMASK(13, 8),
PLL_OD_SHIFT = 0,
PLL_OD_MASK = GENMASK(3, 0),
/* PLL CON1 */
PLL_LOCK_STA = BIT(31),
PLL_NF_SHIFT = 0,
PLL_NF_MASK = GENMASK(12, 0),
/* PLL CON2 */
PLL_BWADJ_SHIFT = 0,
PLL_BWADJ_MASK = GENMASK(11, 0),
/* PLL CON3 */
PLL_MODE_SHIFT = 8,
PLL_MODE_MASK = GENMASK(9, 8),
PLL_MODE_SLOW = 0,
PLL_MODE_NORMAL = 1,
PLL_MODE_DEEP_SLOW = 3,
PLL_RESET_SHIFT = 5,
PLL_RESET = 1,
PLL_RESET_MASK = GENMASK(5, 5),
/* CLKSEL12_CON */
MCU_STCLK_DIV_SHIFT = 8,
MCU_STCLK_DIV_MASK = GENMASK(10, 8),
MCU_PLL_SEL_SHIFT = 7,
MCU_PLL_SEL_MASK = BIT(7),
MCU_PLL_SEL_CPLL = 0,
MCU_PLL_SEL_GPLL = 1,
MCU_CLK_DIV_SHIFT = 0,
MCU_CLK_DIV_MASK = GENMASK(4, 0),
/* CLKSEL51_CON */
MMC_PLL_SEL_SHIFT = 8,
MMC_PLL_SEL_MASK = GENMASK(9, 8),
MMC_PLL_SEL_CPLL = 0,
MMC_PLL_SEL_GPLL,
MMC_PLL_SEL_USBPHY_480M,
MMC_PLL_SEL_24M,
MMC_CLK_DIV_SHIFT = 0,
MMC_CLK_DIV_MASK = GENMASK(6, 0),
/* SOFTRST1_CON */
MCU_PO_SRST_MASK = BIT(13),
MCU_SYS_SRST_MASK = BIT(12),
/* GLB_RST_CON */
PMU_GLB_SRST_CTRL_SHIFT = 2,
PMU_GLB_SRST_CTRL_MASK = GENMASK(3, 2),
PMU_RST_BY_FST_GLB_SRST = 0,
PMU_RST_BY_SND_GLB_SRST = 1,
PMU_RST_DISABLE = 2,
WDT_GLB_SRST_CTRL_SHIFT = 1,
WDT_GLB_SRST_CTRL_MASK = BIT(1),
WDT_TRIGGER_SND_GLB_SRST = 0,
WDT_TRIGGER_FST_GLB_SRST = 1,
TSADC_GLB_SRST_CTRL_SHIFT = 0,
TSADC_GLB_SRST_CTRL_MASK = BIT(0),
TSADC_TRIGGER_SND_GLB_SRST = 0,
TSADC_TRIGGER_FST_GLB_SRST = 1,
};
#endif