uboot/arch/arm/include/asm/arch-mx7/clock.h
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   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright (C) 2015 Freescale Semiconductor, Inc.
   4 *
   5 * Author:
   6 *      Peng Fan <Peng.Fan@freescale.com>
   7 */
   8
   9#ifndef _ASM_ARCH_CLOCK_H
  10#define _ASM_ARCH_CLOCK_H
  11
  12#include <common.h>
  13#include <asm/arch/crm_regs.h>
  14
  15#ifdef CONFIG_SYS_MX7_HCLK
  16#define MXC_HCLK        CONFIG_SYS_MX7_HCLK
  17#else
  18#define MXC_HCLK        24000000
  19#endif
  20
  21#ifdef CONFIG_SYS_MX7_CLK32
  22#define MXC_CLK32       CONFIG_SYS_MX7_CLK32
  23#else
  24#define MXC_CLK32       32768
  25#endif
  26
  27/* Mainly for compatible to imx common code. */
  28enum mxc_clock {
  29        MXC_ARM_CLK = 0,
  30        MXC_AHB_CLK,
  31        MXC_IPG_CLK,
  32        MXC_UART_CLK,
  33        MXC_CSPI_CLK,
  34        MXC_AXI_CLK,
  35        MXC_DDR_CLK,
  36        MXC_ESDHC_CLK,
  37        MXC_ESDHC2_CLK,
  38        MXC_ESDHC3_CLK,
  39        MXC_I2C_CLK,
  40};
  41
  42/* PLL supported by i.mx7d */
  43enum pll_clocks {
  44        PLL_CORE,       /* Core PLL */
  45        PLL_SYS,        /* System PLL*/
  46        PLL_ENET,       /* Enet PLL */
  47        PLL_AUDIO,      /* Audio PLL */
  48        PLL_VIDEO,      /* Video PLL*/
  49        PLL_DDR,        /* Dram PLL */
  50        PLL_USB,        /* USB PLL, fixed at 480MHZ */
  51};
  52
  53/* clk src for clock root gen */
  54enum clk_root_src {
  55        OSC_24M_CLK,
  56
  57        PLL_ARM_MAIN_800M_CLK,
  58
  59        PLL_SYS_MAIN_480M_CLK,
  60        PLL_SYS_MAIN_240M_CLK,
  61        PLL_SYS_MAIN_120M_CLK,
  62        PLL_SYS_PFD0_392M_CLK,
  63        PLL_SYS_PFD0_196M_CLK,
  64        PLL_SYS_PFD1_332M_CLK,
  65        PLL_SYS_PFD1_166M_CLK,
  66        PLL_SYS_PFD2_270M_CLK,
  67        PLL_SYS_PFD2_135M_CLK,
  68        PLL_SYS_PFD3_CLK,
  69        PLL_SYS_PFD4_CLK,
  70        PLL_SYS_PFD5_CLK,
  71        PLL_SYS_PFD6_CLK,
  72        PLL_SYS_PFD7_CLK,
  73
  74        PLL_ENET_MAIN_500M_CLK,
  75        PLL_ENET_MAIN_250M_CLK,
  76        PLL_ENET_MAIN_125M_CLK,
  77        PLL_ENET_MAIN_100M_CLK,
  78        PLL_ENET_MAIN_50M_CLK,
  79        PLL_ENET_MAIN_40M_CLK,
  80        PLL_ENET_MAIN_25M_CLK,
  81
  82        PLL_DRAM_MAIN_1066M_CLK,
  83        PLL_DRAM_MAIN_533M_CLK,
  84
  85        PLL_AUDIO_MAIN_CLK,
  86        PLL_VIDEO_MAIN_CLK,
  87
  88        PLL_USB_MAIN_480M_CLK,          /* fixed at 480MHZ */
  89
  90        EXT_CLK_1,
  91        EXT_CLK_2,
  92        EXT_CLK_3,
  93        EXT_CLK_4,
  94
  95        REF_1M_CLK,
  96        OSC_32K_CLK,
  97};
  98
  99/*
 100 * Clock root index
 101 */
 102enum clk_root_index {
 103        ARM_A7_CLK_ROOT = 0,
 104        ARM_M4_CLK_ROOT = 1,
 105        ARM_M0_CLK_ROOT = 2,
 106        MAIN_AXI_CLK_ROOT = 16,
 107        DISP_AXI_CLK_ROOT = 17,
 108        ENET_AXI_CLK_ROOT = 18,
 109        NAND_USDHC_BUS_CLK_ROOT = 19,
 110        AHB_CLK_ROOT = 32,
 111        DRAM_PHYM_CLK_ROOT = 48,
 112        DRAM_CLK_ROOT = 49,
 113        DRAM_PHYM_ALT_CLK_ROOT = 64,
 114        DRAM_ALT_CLK_ROOT = 65,
 115        USB_HSIC_CLK_ROOT = 66,
 116        PCIE_CTRL_CLK_ROOT = 67,
 117        PCIE_PHY_CLK_ROOT = 68,
 118        EPDC_PIXEL_CLK_ROOT = 69,
 119        LCDIF_PIXEL_CLK_ROOT = 70,
 120        MIPI_DSI_EXTSER_CLK_ROOT = 71,
 121        MIPI_CSI_WARP_CLK_ROOT = 72,
 122        MIPI_DPHY_REF_CLK_ROOT = 73,
 123        SAI1_CLK_ROOT = 74,
 124        SAI2_CLK_ROOT = 75,
 125        SAI3_CLK_ROOT = 76,
 126        SPDIF_CLK_ROOT = 77,
 127        ENET1_REF_CLK_ROOT = 78,
 128        ENET1_TIME_CLK_ROOT = 79,
 129        ENET2_REF_CLK_ROOT = 80,
 130        ENET2_TIME_CLK_ROOT = 81,
 131        ENET_PHY_REF_CLK_ROOT = 82,
 132        EIM_CLK_ROOT = 83,
 133        NAND_CLK_ROOT = 84,
 134        QSPI_CLK_ROOT = 85,
 135        USDHC1_CLK_ROOT = 86,
 136        USDHC2_CLK_ROOT = 87,
 137        USDHC3_CLK_ROOT = 88,
 138        CAN1_CLK_ROOT = 89,
 139        CAN2_CLK_ROOT = 90,
 140        I2C1_CLK_ROOT = 91,
 141        I2C2_CLK_ROOT = 92,
 142        I2C3_CLK_ROOT = 93,
 143        I2C4_CLK_ROOT = 94,
 144        UART1_CLK_ROOT = 95,
 145        UART2_CLK_ROOT = 96,
 146        UART3_CLK_ROOT = 97,
 147        UART4_CLK_ROOT = 98,
 148        UART5_CLK_ROOT = 99,
 149        UART6_CLK_ROOT = 100,
 150        UART7_CLK_ROOT = 101,
 151        ECSPI1_CLK_ROOT = 102,
 152        ECSPI2_CLK_ROOT = 103,
 153        ECSPI3_CLK_ROOT = 104,
 154        ECSPI4_CLK_ROOT = 105,
 155        PWM1_CLK_ROOT = 106,
 156        PWM2_CLK_ROOT = 107,
 157        PWM3_CLK_ROOT = 108,
 158        PWM4_CLK_ROOT = 109,
 159        FLEXTIMER1_CLK_ROOT = 110,
 160        FLEXTIMER2_CLK_ROOT = 111,
 161        SIM1_CLK_ROOT = 112,
 162        SIM2_CLK_ROOT = 113,
 163        GPT1_CLK_ROOT = 114,
 164        GPT2_CLK_ROOT = 115,
 165        GPT3_CLK_ROOT = 116,
 166        GPT4_CLK_ROOT = 117,
 167        TRACE_CLK_ROOT = 118,
 168        WDOG_CLK_ROOT = 119,
 169        CSI_MCLK_CLK_ROOT = 120,
 170        AUDIO_MCLK_CLK_ROOT = 121,
 171        WRCLK_CLK_ROOT = 122,
 172        IPP_DO_CLKO1 = 123,
 173        IPP_DO_CLKO2 = 124,
 174
 175        CLK_ROOT_MAX,
 176};
 177
 178#if (CONFIG_CONS_INDEX == 0)
 179#define UART_CLK_ROOT UART1_CLK_ROOT
 180#elif (CONFIG_CONS_INDEX == 1)
 181#define UART_CLK_ROOT UART2_CLK_ROOT
 182#elif (CONFIG_CONS_INDEX == 2)
 183#define UART_CLK_ROOT UART3_CLK_ROOT
 184#elif (CONFIG_CONS_INDEX == 3)
 185#define UART_CLK_ROOT UART4_CLK_ROOT
 186#elif (CONFIG_CONS_INDEX == 4)
 187#define UART_CLK_ROOT UART5_CLK_ROOT
 188#elif (CONFIG_CONS_INDEX == 5)
 189#define UART_CLK_ROOT UART6_CLK_ROOT
 190#elif (CONFIG_CONS_INDEX == 6)
 191#define UART_CLK_ROOT UART7_CLK_ROOT
 192#else
 193#error "Invalid IMX UART ID for serial console is defined"
 194#endif
 195
 196struct clk_root_setting {
 197        enum clk_root_index root;
 198        u32 setting;
 199};
 200
 201/*
 202 * CCGR mapping
 203 */
 204enum clk_ccgr_index {
 205        CCGR_CPU = 0,
 206        CCGR_M4 = 1,
 207        CCGR_SIM_MAIN = 4,
 208        CCGR_SIM_DISPLAY = 5,
 209        CCGR_SIM_ENET = 6,
 210        CCGR_SIM_M = 7,
 211        CCGR_SIM_S = 8,
 212        CCGR_SIM_WAKEUP = 9,
 213        CCGR_IPMUX1 = 10,
 214        CCGR_IPMUX2 = 11,
 215        CCGR_IPMUX3 = 12,
 216        CCGR_ROM = 16,
 217        CCGR_OCRAM = 17,
 218        CCGR_OCRAM_S = 18,
 219        CCGR_DRAM = 19,
 220        CCGR_RAWNAND = 20,
 221        CCGR_QSPI = 21,
 222        CCGR_WEIM = 22,
 223        CCGR_ADC = 32,
 224        CCGR_ANATOP = 33,
 225        CCGR_SCTR = 34,
 226        CCGR_OCOTP = 35,
 227        CCGR_CAAM = 36,
 228        CCGR_SNVS = 37,
 229        CCGR_RDC = 38,
 230        CCGR_MU = 39,
 231        CCGR_HS = 40,
 232        CCGR_DVFS = 41,
 233        CCGR_QOS = 42,
 234        CCGR_QOS_DISPMIX = 43,
 235        CCGR_QOS_MEGAMIX = 44,
 236        CCGR_CSU = 45,
 237        CCGR_DBGMON = 46,
 238        CCGR_DEBUG = 47,
 239        CCGR_TRACE = 48,
 240        CCGR_SEC_DEBUG = 49,
 241        CCGR_SEMA1 = 64,
 242        CCGR_SEMA2 = 65,
 243        CCGR_PERFMON1 = 68,
 244        CCGR_PERFMON2 = 69,
 245        CCGR_SDMA = 72,
 246        CCGR_CSI = 73,
 247        CCGR_EPDC = 74,
 248        CCGR_LCDIF = 75,
 249        CCGR_PXP = 76,
 250        CCGR_PCIE = 96,
 251        CCGR_MIPI_CSI = 100,
 252        CCGR_MIPI_DSI = 101,
 253        CCGR_MIPI_MEM_PHY = 102,
 254        CCGR_USB_CTRL = 104,
 255        CCGR_USB_HSIC = 105,
 256        CCGR_USB_PHY1 = 106,
 257        CCGR_USB_PHY2 = 107,
 258        CCGR_USDHC1 = 108,
 259        CCGR_USDHC2 = 109,
 260        CCGR_USDHC3 = 110,
 261        CCGR_ENET1 = 112,
 262        CCGR_ENET2 = 113,
 263        CCGR_CAN1 = 116,
 264        CCGR_CAN2 = 117,
 265        CCGR_ECSPI1 = 120,
 266        CCGR_ECSPI2 = 121,
 267        CCGR_ECSPI3 = 122,
 268        CCGR_ECSPI4 = 123,
 269        CCGR_GPT1 = 124,
 270        CCGR_GPT2 = 125,
 271        CCGR_GPT3 = 126,
 272        CCGR_GPT4 = 127,
 273        CCGR_FTM1 = 128,
 274        CCGR_FTM2 = 129,
 275        CCGR_PWM1 = 132,
 276        CCGR_PWM2 = 133,
 277        CCGR_PWM3 = 134,
 278        CCGR_PWM4 = 135,
 279        CCGR_I2C1 = 136,
 280        CCGR_I2C2 = 137,
 281        CCGR_I2C3 = 138,
 282        CCGR_I2C4 = 139,
 283        CCGR_SAI1 = 140,
 284        CCGR_SAI2 = 141,
 285        CCGR_SAI3 = 142,
 286        CCGR_SIM1 = 144,
 287        CCGR_SIM2 = 145,
 288        CCGR_UART1 = 148,
 289        CCGR_UART2 = 149,
 290        CCGR_UART3 = 150,
 291        CCGR_UART4 = 151,
 292        CCGR_UART5 = 152,
 293        CCGR_UART6 = 153,
 294        CCGR_UART7 = 154,
 295        CCGR_WDOG1 = 156,
 296        CCGR_WDOG2 = 157,
 297        CCGR_WDOG3 = 158,
 298        CCGR_WDOG4 = 159,
 299        CCGR_GPIO1 = 160,
 300        CCGR_GPIO2 = 161,
 301        CCGR_GPIO3 = 162,
 302        CCGR_GPIO4 = 163,
 303        CCGR_GPIO5 = 164,
 304        CCGR_GPIO6 = 165,
 305        CCGR_GPIO7 = 166,
 306        CCGR_IOMUX = 168,
 307        CCGR_IOMUX_LPSR = 169,
 308        CCGR_KPP = 170,
 309
 310        CCGR_SKIP,
 311        CCGR_MAX,
 312};
 313
 314/* Clock root channel */
 315enum clk_root_type {
 316        CCM_CORE_CHANNEL,
 317        CCM_BUS_CHANNEL,
 318        CCM_AHB_CHANNEL,
 319        CCM_DRAM_PHYM_CHANNEL,
 320        CCM_DRAM_CHANNEL,
 321        CCM_IP_CHANNEL,
 322};
 323
 324#include <asm/arch/clock_slice.h>
 325
 326/*
 327 * entry: the clock root index
 328 * type: ccm channel
 329 * src_mux: each entry corresponding to the clock src, detailed info in CCM RM
 330 */
 331struct clk_root_map {
 332        enum clk_root_index entry;
 333        enum clk_root_type type;
 334        uint8_t src_mux[8];
 335};
 336
 337enum enet_freq {
 338        ENET_25MHZ,
 339        ENET_50MHZ,
 340        ENET_125MHZ,
 341};
 342
 343u32 get_root_clk(enum clk_root_index clock_id);
 344u32 mxc_get_clock(enum mxc_clock clk);
 345u32 imx_get_uartclk(void);
 346u32 imx_get_fecclk(void);
 347void clock_init(void);
 348#ifdef CONFIG_SYS_I2C_MXC
 349int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
 350#endif
 351#ifdef CONFIG_FEC_MXC
 352int set_clk_enet(enum enet_freq type);
 353#endif
 354int set_clk_qspi(void);
 355int set_clk_nand(void);
 356#ifdef CONFIG_MXC_OCOTP
 357void enable_ocotp_clk(unsigned char enable);
 358#endif
 359void enable_usboh3_clk(unsigned char enable);
 360#ifdef CONFIG_SECURE_BOOT
 361void hab_caam_clock_enable(unsigned char enable);
 362#endif
 363void mxs_set_lcdclk(uint32_t base_addr, uint32_t freq);
 364void enable_thermal_clk(void);
 365#endif
 366