/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2015 Freescale Semiconductor, Inc. * * Author: * Peng Fan <Peng.Fan@freescale.com> */ #ifndef _ASM_ARCH_CLOCK_H #define _ASM_ARCH_CLOCK_H #include <asm/arch/crm_regs.h> #ifdef CONFIG_SYS_MX7_HCLK #define MXC_HCLK CONFIG_SYS_MX7_HCLK #else #define MXC_HCLK 24000000 #endif #ifdef CONFIG_SYS_MX7_CLK32 #define MXC_CLK32 CONFIG_SYS_MX7_CLK32 #else #define MXC_CLK32 32768 #endif /* Mainly for compatible to imx common code. */ enum mxc_clock { MXC_ARM_CLK = 0, MXC_AHB_CLK, MXC_IPG_CLK, MXC_UART_CLK, MXC_CSPI_CLK, MXC_AXI_CLK, MXC_DDR_CLK, MXC_ESDHC_CLK, MXC_ESDHC2_CLK, MXC_ESDHC3_CLK, MXC_I2C_CLK, }; /* PLL supported by i.mx7d */ enum pll_clocks { PLL_CORE, /* Core PLL */ PLL_SYS, /* System PLL*/ PLL_ENET, /* Enet PLL */ PLL_AUDIO, /* Audio PLL */ PLL_VIDEO, /* Video PLL*/ PLL_DDR, /* Dram PLL */ PLL_USB, /* USB PLL, fixed at 480MHZ */ }; /* clk src for clock root gen */ enum clk_root_src { OSC_24M_CLK, PLL_ARM_MAIN_800M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_SYS_PFD0_392M_CLK, PLL_SYS_PFD0_196M_CLK, PLL_SYS_PFD1_332M_CLK, PLL_SYS_PFD1_166M_CLK, PLL_SYS_PFD2_270M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_PFD3_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD5_CLK, PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK, PLL_ENET_MAIN_500M_CLK, PLL_ENET_MAIN_250M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_ENET_MAIN_50M_CLK, PLL_ENET_MAIN_40M_CLK, PLL_ENET_MAIN_25M_CLK, PLL_DRAM_MAIN_1066M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK, /* fixed at 480MHZ */ EXT_CLK_1, EXT_CLK_2, EXT_CLK_3, EXT_CLK_4, REF_1M_CLK, OSC_32K_CLK, }; /* * Clock root index */ enum clk_root_index { ARM_A7_CLK_ROOT = 0, ARM_M4_CLK_ROOT = 1, ARM_M0_CLK_ROOT = 2, MAIN_AXI_CLK_ROOT = 16, DISP_AXI_CLK_ROOT = 17, ENET_AXI_CLK_ROOT = 18, NAND_USDHC_BUS_CLK_ROOT = 19, AHB_CLK_ROOT = 32, DRAM_PHYM_CLK_ROOT = 48, DRAM_CLK_ROOT = 49, DRAM_PHYM_ALT_CLK_ROOT = 64, DRAM_ALT_CLK_ROOT = 65, USB_HSIC_CLK_ROOT = 66, PCIE_CTRL_CLK_ROOT = 67, PCIE_PHY_CLK_ROOT = 68, EPDC_PIXEL_CLK_ROOT = 69, LCDIF_PIXEL_CLK_ROOT = 70, MIPI_DSI_EXTSER_CLK_ROOT = 71, MIPI_CSI_WARP_CLK_ROOT = 72, MIPI_DPHY_REF_CLK_ROOT = 73, SAI1_CLK_ROOT = 74, SAI2_CLK_ROOT = 75, SAI3_CLK_ROOT = 76, SPDIF_CLK_ROOT = 77, ENET1_REF_CLK_ROOT = 78, ENET1_TIME_CLK_ROOT = 79, ENET2_REF_CLK_ROOT = 80, ENET2_TIME_CLK_ROOT = 81, ENET_PHY_REF_CLK_ROOT = 82, EIM_CLK_ROOT = 83, NAND_CLK_ROOT = 84, QSPI_CLK_ROOT = 85, USDHC1_CLK_ROOT = 86, USDHC2_CLK_ROOT = 87, USDHC3_CLK_ROOT = 88, CAN1_CLK_ROOT = 89, CAN2_CLK_ROOT = 90, I2C1_CLK_ROOT = 91, I2C2_CLK_ROOT = 92, I2C3_CLK_ROOT = 93, I2C4_CLK_ROOT = 94, UART1_CLK_ROOT = 95, UART2_CLK_ROOT = 96, UART3_CLK_ROOT = 97, UART4_CLK_ROOT = 98, UART5_CLK_ROOT = 99, UART6_CLK_ROOT = 100, UART7_CLK_ROOT = 101, ECSPI1_CLK_ROOT = 102, ECSPI2_CLK_ROOT = 103, ECSPI3_CLK_ROOT = 104, ECSPI4_CLK_ROOT = 105, PWM1_CLK_ROOT = 106, PWM2_CLK_ROOT = 107, PWM3_CLK_ROOT = 108, PWM4_CLK_ROOT = 109, FLEXTIMER1_CLK_ROOT = 110, FLEXTIMER2_CLK_ROOT = 111, SIM1_CLK_ROOT = 112, SIM2_CLK_ROOT = 113, GPT1_CLK_ROOT = 114, GPT2_CLK_ROOT = 115, GPT3_CLK_ROOT = 116, GPT4_CLK_ROOT = 117, TRACE_CLK_ROOT = 118, WDOG_CLK_ROOT = 119, CSI_MCLK_CLK_ROOT = 120, AUDIO_MCLK_CLK_ROOT = 121, WRCLK_CLK_ROOT = 122, IPP_DO_CLKO1 = 123, IPP_DO_CLKO2 = 124, CLK_ROOT_MAX, }; #if (CONFIG_CONS_INDEX == 0) #define UART_CLK_ROOT UART1_CLK_ROOT #elif (CONFIG_CONS_INDEX == 1) #define UART_CLK_ROOT UART2_CLK_ROOT #elif (CONFIG_CONS_INDEX == 2) #define UART_CLK_ROOT UART3_CLK_ROOT #elif (CONFIG_CONS_INDEX == 3) #define UART_CLK_ROOT UART4_CLK_ROOT #elif (CONFIG_CONS_INDEX == 4) #define UART_CLK_ROOT UART5_CLK_ROOT #elif (CONFIG_CONS_INDEX == 5) #define UART_CLK_ROOT UART6_CLK_ROOT #elif (CONFIG_CONS_INDEX == 6) #define UART_CLK_ROOT UART7_CLK_ROOT #else #error "Invalid IMX UART ID for serial console is defined" #endif struct clk_root_setting { enum clk_root_index root; u32 setting; }; /* * CCGR mapping */ enum clk_ccgr_index { CCGR_CPU = 0, CCGR_M4 = 1, CCGR_SIM_MAIN = 4, CCGR_SIM_DISPLAY = 5, CCGR_SIM_ENET = 6, CCGR_SIM_M = 7, CCGR_SIM_S = 8, CCGR_SIM_WAKEUP = 9, CCGR_IPMUX1 = 10, CCGR_IPMUX2 = 11, CCGR_IPMUX3 = 12, CCGR_ROM = 16, CCGR_OCRAM = 17, CCGR_OCRAM_S = 18, CCGR_DRAM = 19, CCGR_RAWNAND = 20, CCGR_QSPI = 21, CCGR_WEIM = 22, CCGR_ADC = 32, CCGR_ANATOP = 33, CCGR_SCTR = 34, CCGR_OCOTP = 35, CCGR_CAAM = 36, CCGR_SNVS = 37, CCGR_RDC = 38, CCGR_MU = 39, CCGR_HS = 40, CCGR_DVFS = 41, CCGR_QOS = 42, CCGR_QOS_DISPMIX = 43, CCGR_QOS_MEGAMIX = 44, CCGR_CSU = 45, CCGR_DBGMON = 46, CCGR_DEBUG = 47, CCGR_TRACE = 48, CCGR_SEC_DEBUG = 49, CCGR_SEMA1 = 64, CCGR_SEMA2 = 65, CCGR_PERFMON1 = 68, CCGR_PERFMON2 = 69, CCGR_SDMA = 72, CCGR_CSI = 73, CCGR_EPDC = 74, CCGR_LCDIF = 75, CCGR_PXP = 76, CCGR_PCIE = 96, CCGR_MIPI_CSI = 100, CCGR_MIPI_DSI = 101, CCGR_MIPI_MEM_PHY = 102, CCGR_USB_CTRL = 104, CCGR_USB_HSIC = 105, CCGR_USB_PHY1 = 106, CCGR_USB_PHY2 = 107, CCGR_USDHC1 = 108, CCGR_USDHC2 = 109, CCGR_USDHC3 = 110, CCGR_ENET1 = 112, CCGR_ENET2 = 113, CCGR_CAN1 = 116, CCGR_CAN2 = 117, CCGR_ECSPI1 = 120, CCGR_ECSPI2 = 121, CCGR_ECSPI3 = 122, CCGR_ECSPI4 = 123, CCGR_GPT1 = 124, CCGR_GPT2 = 125, CCGR_GPT3 = 126, CCGR_GPT4 = 127, CCGR_FTM1 = 128, CCGR_FTM2 = 129, CCGR_PWM1 = 132, CCGR_PWM2 = 133, CCGR_PWM3 = 134, CCGR_PWM4 = 135, CCGR_I2C1 = 136, CCGR_I2C2 = 137, CCGR_I2C3 = 138, CCGR_I2C4 = 139, CCGR_SAI1 = 140, CCGR_SAI2 = 141, CCGR_SAI3 = 142, CCGR_SIM1 = 144, CCGR_SIM2 = 145, CCGR_UART1 = 148, CCGR_UART2 = 149, CCGR_UART3 = 150, CCGR_UART4 = 151, CCGR_UART5 = 152, CCGR_UART6 = 153, CCGR_UART7 = 154, CCGR_WDOG1 = 156, CCGR_WDOG2 = 157, CCGR_WDOG3 = 158, CCGR_WDOG4 = 159, CCGR_GPIO1 = 160, CCGR_GPIO2 = 161, CCGR_GPIO3 = 162, CCGR_GPIO4 = 163, CCGR_GPIO5 = 164, CCGR_GPIO6 = 165, CCGR_GPIO7 = 166, CCGR_IOMUX = 168, CCGR_IOMUX_LPSR = 169, CCGR_KPP = 170, CCGR_SKIP, CCGR_MAX, }; /* Clock root channel */ enum clk_root_type { CCM_CORE_CHANNEL, CCM_BUS_CHANNEL, CCM_AHB_CHANNEL, CCM_DRAM_PHYM_CHANNEL, CCM_DRAM_CHANNEL, CCM_IP_CHANNEL, }; #include <asm/arch/clock_slice.h> /* * entry: the clock root index * type: ccm channel * src_mux: each entry corresponding to the clock src, detailed info in CCM RM */ struct clk_root_map { enum clk_root_index entry; enum clk_root_type type; uint8_t src_mux[8]; }; enum enet_freq { ENET_25MHZ, ENET_50MHZ, ENET_125MHZ, }; u32 get_root_clk(enum clk_root_index clock_id); u32 mxc_get_clock(enum mxc_clock clk); u32 imx_get_uartclk(void); u32 imx_get_fecclk(void); void clock_init(void); #ifdef CONFIG_SYS_I2C_MXC int enable_i2c_clk(unsigned char enable, unsigned i2c_num); #endif #ifdef CONFIG_FEC_MXC int set_clk_enet(enum enet_freq type); #endif int set_clk_qspi(void); int set_clk_nand(void); #ifdef CONFIG_MXC_OCOTP void enable_ocotp_clk(unsigned char enable); #endif void enable_usboh3_clk(unsigned char enable); #ifdef CONFIG_IMX_HAB void hab_caam_clock_enable(unsigned char enable); #endif void mxs_set_lcdclk(uint32_t base_addr, uint32_t freq); void enable_thermal_clk(void); #endif