uboot/arch/arm/include/asm/arch-mx7/clock.h
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   1/*
   2 * Copyright (C) 2015 Freescale Semiconductor, Inc.
   3 *
   4 * Author:
   5 *      Peng Fan <Peng.Fan@freescale.com>
   6 *
   7 * SPDX-License-Identifier:     GPL-2.0+
   8 */
   9
  10#ifndef _ASM_ARCH_CLOCK_H
  11#define _ASM_ARCH_CLOCK_H
  12
  13#include <common.h>
  14#include <asm/arch/crm_regs.h>
  15
  16#ifdef CONFIG_SYS_MX7_HCLK
  17#define MXC_HCLK        CONFIG_SYS_MX7_HCLK
  18#else
  19#define MXC_HCLK        24000000
  20#endif
  21
  22#ifdef CONFIG_SYS_MX7_CLK32
  23#define MXC_CLK32       CONFIG_SYS_MX7_CLK32
  24#else
  25#define MXC_CLK32       32768
  26#endif
  27
  28/* Mainly for compatible to imx common code. */
  29enum mxc_clock {
  30        MXC_ARM_CLK = 0,
  31        MXC_AHB_CLK,
  32        MXC_IPG_CLK,
  33        MXC_UART_CLK,
  34        MXC_CSPI_CLK,
  35        MXC_AXI_CLK,
  36        MXC_DDR_CLK,
  37        MXC_ESDHC_CLK,
  38        MXC_ESDHC2_CLK,
  39        MXC_ESDHC3_CLK,
  40        MXC_I2C_CLK,
  41};
  42
  43/* PLL supported by i.mx7d */
  44enum pll_clocks {
  45        PLL_CORE,       /* Core PLL */
  46        PLL_SYS,        /* System PLL*/
  47        PLL_ENET,       /* Enet PLL */
  48        PLL_AUDIO,      /* Audio PLL */
  49        PLL_VIDEO,      /* Video PLL*/
  50        PLL_DDR,        /* Dram PLL */
  51        PLL_USB,        /* USB PLL, fixed at 480MHZ */
  52};
  53
  54/* clk src for clock root gen */
  55enum clk_root_src {
  56        OSC_24M_CLK,
  57
  58        PLL_ARM_MAIN_800M_CLK,
  59
  60        PLL_SYS_MAIN_480M_CLK,
  61        PLL_SYS_MAIN_240M_CLK,
  62        PLL_SYS_MAIN_120M_CLK,
  63        PLL_SYS_PFD0_392M_CLK,
  64        PLL_SYS_PFD0_196M_CLK,
  65        PLL_SYS_PFD1_332M_CLK,
  66        PLL_SYS_PFD1_166M_CLK,
  67        PLL_SYS_PFD2_270M_CLK,
  68        PLL_SYS_PFD2_135M_CLK,
  69        PLL_SYS_PFD3_CLK,
  70        PLL_SYS_PFD4_CLK,
  71        PLL_SYS_PFD5_CLK,
  72        PLL_SYS_PFD6_CLK,
  73        PLL_SYS_PFD7_CLK,
  74
  75        PLL_ENET_MAIN_500M_CLK,
  76        PLL_ENET_MAIN_250M_CLK,
  77        PLL_ENET_MAIN_125M_CLK,
  78        PLL_ENET_MAIN_100M_CLK,
  79        PLL_ENET_MAIN_50M_CLK,
  80        PLL_ENET_MAIN_40M_CLK,
  81        PLL_ENET_MAIN_25M_CLK,
  82
  83        PLL_DRAM_MAIN_1066M_CLK,
  84        PLL_DRAM_MAIN_533M_CLK,
  85
  86        PLL_AUDIO_MAIN_CLK,
  87        PLL_VIDEO_MAIN_CLK,
  88
  89        PLL_USB_MAIN_480M_CLK,          /* fixed at 480MHZ */
  90
  91        EXT_CLK_1,
  92        EXT_CLK_2,
  93        EXT_CLK_3,
  94        EXT_CLK_4,
  95
  96        REF_1M_CLK,
  97        OSC_32K_CLK,
  98};
  99
 100/*
 101 * Clock root index
 102 */
 103enum clk_root_index {
 104        ARM_A7_CLK_ROOT = 0,
 105        ARM_M4_CLK_ROOT = 1,
 106        ARM_M0_CLK_ROOT = 2,
 107        MAIN_AXI_CLK_ROOT = 16,
 108        DISP_AXI_CLK_ROOT = 17,
 109        ENET_AXI_CLK_ROOT = 18,
 110        NAND_USDHC_BUS_CLK_ROOT = 19,
 111        AHB_CLK_ROOT = 32,
 112        DRAM_PHYM_CLK_ROOT = 48,
 113        DRAM_CLK_ROOT = 49,
 114        DRAM_PHYM_ALT_CLK_ROOT = 64,
 115        DRAM_ALT_CLK_ROOT = 65,
 116        USB_HSIC_CLK_ROOT = 66,
 117        PCIE_CTRL_CLK_ROOT = 67,
 118        PCIE_PHY_CLK_ROOT = 68,
 119        EPDC_PIXEL_CLK_ROOT = 69,
 120        LCDIF_PIXEL_CLK_ROOT = 70,
 121        MIPI_DSI_EXTSER_CLK_ROOT = 71,
 122        MIPI_CSI_WARP_CLK_ROOT = 72,
 123        MIPI_DPHY_REF_CLK_ROOT = 73,
 124        SAI1_CLK_ROOT = 74,
 125        SAI2_CLK_ROOT = 75,
 126        SAI3_CLK_ROOT = 76,
 127        SPDIF_CLK_ROOT = 77,
 128        ENET1_REF_CLK_ROOT = 78,
 129        ENET1_TIME_CLK_ROOT = 79,
 130        ENET2_REF_CLK_ROOT = 80,
 131        ENET2_TIME_CLK_ROOT = 81,
 132        ENET_PHY_REF_CLK_ROOT = 82,
 133        EIM_CLK_ROOT = 83,
 134        NAND_CLK_ROOT = 84,
 135        QSPI_CLK_ROOT = 85,
 136        USDHC1_CLK_ROOT = 86,
 137        USDHC2_CLK_ROOT = 87,
 138        USDHC3_CLK_ROOT = 88,
 139        CAN1_CLK_ROOT = 89,
 140        CAN2_CLK_ROOT = 90,
 141        I2C1_CLK_ROOT = 91,
 142        I2C2_CLK_ROOT = 92,
 143        I2C3_CLK_ROOT = 93,
 144        I2C4_CLK_ROOT = 94,
 145        UART1_CLK_ROOT = 95,
 146        UART2_CLK_ROOT = 96,
 147        UART3_CLK_ROOT = 97,
 148        UART4_CLK_ROOT = 98,
 149        UART5_CLK_ROOT = 99,
 150        UART6_CLK_ROOT = 100,
 151        UART7_CLK_ROOT = 101,
 152        ECSPI1_CLK_ROOT = 102,
 153        ECSPI2_CLK_ROOT = 103,
 154        ECSPI3_CLK_ROOT = 104,
 155        ECSPI4_CLK_ROOT = 105,
 156        PWM1_CLK_ROOT = 106,
 157        PWM2_CLK_ROOT = 107,
 158        PWM3_CLK_ROOT = 108,
 159        PWM4_CLK_ROOT = 109,
 160        FLEXTIMER1_CLK_ROOT = 110,
 161        FLEXTIMER2_CLK_ROOT = 111,
 162        SIM1_CLK_ROOT = 112,
 163        SIM2_CLK_ROOT = 113,
 164        GPT1_CLK_ROOT = 114,
 165        GPT2_CLK_ROOT = 115,
 166        GPT3_CLK_ROOT = 116,
 167        GPT4_CLK_ROOT = 117,
 168        TRACE_CLK_ROOT = 118,
 169        WDOG_CLK_ROOT = 119,
 170        CSI_MCLK_CLK_ROOT = 120,
 171        AUDIO_MCLK_CLK_ROOT = 121,
 172        WRCLK_CLK_ROOT = 122,
 173        IPP_DO_CLKO1 = 123,
 174        IPP_DO_CLKO2 = 124,
 175
 176        CLK_ROOT_MAX,
 177};
 178
 179struct clk_root_setting {
 180        enum clk_root_index root;
 181        u32 setting;
 182};
 183
 184/*
 185 * CCGR mapping
 186 */
 187enum clk_ccgr_index {
 188        CCGR_CPU = 0,
 189        CCGR_M4 = 1,
 190        CCGR_SIM_MAIN = 4,
 191        CCGR_SIM_DISPLAY = 5,
 192        CCGR_SIM_ENET = 6,
 193        CCGR_SIM_M = 7,
 194        CCGR_SIM_S = 8,
 195        CCGR_SIM_WAKEUP = 9,
 196        CCGR_IPMUX1 = 10,
 197        CCGR_IPMUX2 = 11,
 198        CCGR_IPMUX3 = 12,
 199        CCGR_ROM = 16,
 200        CCGR_OCRAM = 17,
 201        CCGR_OCRAM_S = 18,
 202        CCGR_DRAM = 19,
 203        CCGR_RAWNAND = 20,
 204        CCGR_QSPI = 21,
 205        CCGR_WEIM = 22,
 206        CCGR_ADC = 32,
 207        CCGR_ANATOP = 33,
 208        CCGR_SCTR = 34,
 209        CCGR_OCOTP = 35,
 210        CCGR_CAAM = 36,
 211        CCGR_SNVS = 37,
 212        CCGR_RDC = 38,
 213        CCGR_MU = 39,
 214        CCGR_HS = 40,
 215        CCGR_DVFS = 41,
 216        CCGR_QOS = 42,
 217        CCGR_QOS_DISPMIX = 43,
 218        CCGR_QOS_MEGAMIX = 44,
 219        CCGR_CSU = 45,
 220        CCGR_DBGMON = 46,
 221        CCGR_DEBUG = 47,
 222        CCGR_TRACE = 48,
 223        CCGR_SEC_DEBUG = 49,
 224        CCGR_SEMA1 = 64,
 225        CCGR_SEMA2 = 65,
 226        CCGR_PERFMON1 = 68,
 227        CCGR_PERFMON2 = 69,
 228        CCGR_SDMA = 72,
 229        CCGR_CSI = 73,
 230        CCGR_EPDC = 74,
 231        CCGR_LCDIF = 75,
 232        CCGR_PXP = 76,
 233        CCGR_PCIE = 96,
 234        CCGR_MIPI_CSI = 100,
 235        CCGR_MIPI_DSI = 101,
 236        CCGR_MIPI_MEM_PHY = 102,
 237        CCGR_USB_CTRL = 104,
 238        CCGR_USB_HSIC = 105,
 239        CCGR_USB_PHY1 = 106,
 240        CCGR_USB_PHY2 = 107,
 241        CCGR_USDHC1 = 108,
 242        CCGR_USDHC2 = 109,
 243        CCGR_USDHC3 = 110,
 244        CCGR_ENET1 = 112,
 245        CCGR_ENET2 = 113,
 246        CCGR_CAN1 = 116,
 247        CCGR_CAN2 = 117,
 248        CCGR_ECSPI1 = 120,
 249        CCGR_ECSPI2 = 121,
 250        CCGR_ECSPI3 = 122,
 251        CCGR_ECSPI4 = 123,
 252        CCGR_GPT1 = 124,
 253        CCGR_GPT2 = 125,
 254        CCGR_GPT3 = 126,
 255        CCGR_GPT4 = 127,
 256        CCGR_FTM1 = 128,
 257        CCGR_FTM2 = 129,
 258        CCGR_PWM1 = 132,
 259        CCGR_PWM2 = 133,
 260        CCGR_PWM3 = 134,
 261        CCGR_PWM4 = 135,
 262        CCGR_I2C1 = 136,
 263        CCGR_I2C2 = 137,
 264        CCGR_I2C3 = 138,
 265        CCGR_I2C4 = 139,
 266        CCGR_SAI1 = 140,
 267        CCGR_SAI2 = 141,
 268        CCGR_SAI3 = 142,
 269        CCGR_SIM1 = 144,
 270        CCGR_SIM2 = 145,
 271        CCGR_UART1 = 148,
 272        CCGR_UART2 = 149,
 273        CCGR_UART3 = 150,
 274        CCGR_UART4 = 151,
 275        CCGR_UART5 = 152,
 276        CCGR_UART6 = 153,
 277        CCGR_UART7 = 154,
 278        CCGR_WDOG1 = 156,
 279        CCGR_WDOG2 = 157,
 280        CCGR_WDOG3 = 158,
 281        CCGR_WDOG4 = 159,
 282        CCGR_GPIO1 = 160,
 283        CCGR_GPIO2 = 161,
 284        CCGR_GPIO3 = 162,
 285        CCGR_GPIO4 = 163,
 286        CCGR_GPIO5 = 164,
 287        CCGR_GPIO6 = 165,
 288        CCGR_GPIO7 = 166,
 289        CCGR_IOMUX = 168,
 290        CCGR_IOMUX_LPSR = 169,
 291        CCGR_KPP = 170,
 292
 293        CCGR_SKIP,
 294        CCGR_MAX,
 295};
 296
 297/* Clock root channel */
 298enum clk_root_type {
 299        CCM_CORE_CHANNEL,
 300        CCM_BUS_CHANNEL,
 301        CCM_AHB_CHANNEL,
 302        CCM_DRAM_PHYM_CHANNEL,
 303        CCM_DRAM_CHANNEL,
 304        CCM_IP_CHANNEL,
 305};
 306
 307#include <asm/arch/clock_slice.h>
 308
 309/*
 310 * entry: the clock root index
 311 * type: ccm channel
 312 * src_mux: each entry corresponding to the clock src, detailed info in CCM RM
 313 */
 314struct clk_root_map {
 315        enum clk_root_index entry;
 316        enum clk_root_type type;
 317        uint8_t src_mux[8];
 318};
 319
 320enum enet_freq {
 321        ENET_25MHZ,
 322        ENET_50MHZ,
 323        ENET_125MHZ,
 324};
 325
 326u32 get_root_clk(enum clk_root_index clock_id);
 327u32 mxc_get_clock(enum mxc_clock clk);
 328u32 imx_get_uartclk(void);
 329u32 imx_get_fecclk(void);
 330void clock_init(void);
 331#ifdef CONFIG_SYS_I2C_MXC
 332int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
 333#endif
 334#ifdef CONFIG_FEC_MXC
 335int set_clk_enet(enum enet_freq type);
 336#endif
 337int set_clk_qspi(void);
 338int set_clk_nand(void);
 339#ifdef CONFIG_MXC_OCOTP
 340void enable_ocotp_clk(unsigned char enable);
 341#endif
 342void enable_usboh3_clk(unsigned char enable);
 343#ifdef CONFIG_SECURE_BOOT
 344void hab_caam_clock_enable(unsigned char enable);
 345#endif
 346void mxs_set_lcdclk(uint32_t base_addr, uint32_t freq);
 347void enable_thermal_clk(void);
 348#endif
 349