diff options
Diffstat (limited to 'arch/arm/include/asm/arch-mx7/clock.h')
| -rw-r--r-- | arch/arm/include/asm/arch-mx7/clock.h | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx7/clock.h b/arch/arm/include/asm/arch-mx7/clock.h new file mode 100644 index 0000000000..688d2361df --- /dev/null +++ b/arch/arm/include/asm/arch-mx7/clock.h @@ -0,0 +1,348 @@ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * + * Author: + * Peng Fan <Peng.Fan@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_ARCH_CLOCK_H +#define _ASM_ARCH_CLOCK_H + +#include <common.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, +}; + +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_SECURE_BOOT +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 |