i.MX8MQ and i.MX8MM use different analog pll design, but they share same ccm design. Add clock_imx8mq.h for i.MX8MQ keep common part in clock.h
Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/include/asm/arch-imx8m/clock.h | 491 +++---------------------- arch/arm/include/asm/arch-imx8m/clock_imx8mq.h | 424 +++++++++++++++++++++ arch/arm/mach-imx/imx8m/clock_imx8mq.c | 5 +- 3 files changed, 467 insertions(+), 453 deletions(-) create mode 100644 arch/arm/include/asm/arch-imx8m/clock_imx8mq.h
diff --git a/arch/arm/include/asm/arch-imx8m/clock.h b/arch/arm/include/asm/arch-imx8m/clock.h index e7c1670f6b..7225c760fe 100644 --- a/arch/arm/include/asm/arch-imx8m/clock.h +++ b/arch/arm/include/asm/arch-imx8m/clock.h @@ -1,28 +1,29 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* - * Copyright 2017 NXP - * - * Peng Fan peng.fan@nxp.com + * Copyright 2017-2019 NXP */
-#ifndef _ASM_ARCH_IMX8M_CLOCK_H -#define _ASM_ARCH_IMX8M_CLOCK_H - #include <linux/bitops.h>
+#ifdef CONFIG_IMX8MQ +#include <asm/arch/clock_imx8mq.h> +#else +#error "Error no clock.h" +#endif + #define MHZ(X) ((X) * 1000000UL)
-enum pll_clocks { - ANATOP_ARM_PLL, - ANATOP_GPU_PLL, - ANATOP_SYSTEM_PLL1, - ANATOP_SYSTEM_PLL2, - ANATOP_SYSTEM_PLL3, - ANATOP_AUDIO_PLL1, - ANATOP_AUDIO_PLL2, - ANATOP_VIDEO_PLL1, - ANATOP_VIDEO_PLL2, - ANATOP_DRAM_PLL, +/* Mainly for compatible to imx common code. */ +enum mxc_clock { + MXC_ARM_CLK = 0, + MXC_IPG_CLK, + MXC_CSPI_CLK, + MXC_ESDHC_CLK, + MXC_ESDHC2_CLK, + MXC_ESDHC3_CLK, + MXC_I2C_CLK, + MXC_UART_CLK, + MXC_QSPI_CLK, };
enum clk_slice_type { @@ -35,297 +36,6 @@ enum clk_slice_type { DRAM_SEL_CLOCK_SLICE, };
-enum clk_root_index { - MXC_ARM_CLK = 0, - ARM_A53_CLK_ROOT = 0, - ARM_M4_CLK_ROOT = 1, - VPU_A53_CLK_ROOT = 2, - GPU_CORE_CLK_ROOT = 3, - GPU_SHADER_CLK_ROOT = 4, - MAIN_AXI_CLK_ROOT = 16, - ENET_AXI_CLK_ROOT = 17, - NAND_USDHC_BUS_CLK_ROOT = 18, - VPU_BUS_CLK_ROOT = 19, - DISPLAY_AXI_CLK_ROOT = 20, - DISPLAY_APB_CLK_ROOT = 21, - DISPLAY_RTRM_CLK_ROOT = 22, - USB_BUS_CLK_ROOT = 23, - GPU_AXI_CLK_ROOT = 24, - GPU_AHB_CLK_ROOT = 25, - NOC_CLK_ROOT = 26, - NOC_APB_CLK_ROOT = 27, - AHB_CLK_ROOT = 32, - IPG_CLK_ROOT = 33, - MXC_IPG_CLK = 33, - AUDIO_AHB_CLK_ROOT = 34, - MIPI_DSI_ESC_RX_CLK_ROOT = 36, - DRAM_SEL_CFG = 48, - CORE_SEL_CFG = 49, - DRAM_ALT_CLK_ROOT = 64, - DRAM_APB_CLK_ROOT = 65, - VPU_G1_CLK_ROOT = 66, - VPU_G2_CLK_ROOT = 67, - DISPLAY_DTRC_CLK_ROOT = 68, - DISPLAY_DC8000_CLK_ROOT = 69, - PCIE1_CTRL_CLK_ROOT = 70, - PCIE1_PHY_CLK_ROOT = 71, - PCIE1_AUX_CLK_ROOT = 72, - DC_PIXEL_CLK_ROOT = 73, - LCDIF_PIXEL_CLK_ROOT = 74, - SAI1_CLK_ROOT = 75, - SAI2_CLK_ROOT = 76, - SAI3_CLK_ROOT = 77, - SAI4_CLK_ROOT = 78, - SAI5_CLK_ROOT = 79, - SAI6_CLK_ROOT = 80, - SPDIF1_CLK_ROOT = 81, - SPDIF2_CLK_ROOT = 82, - ENET_REF_CLK_ROOT = 83, - ENET_TIMER_CLK_ROOT = 84, - ENET_PHY_REF_CLK_ROOT = 85, - NAND_CLK_ROOT = 86, - QSPI_CLK_ROOT = 87, - MXC_ESDHC_CLK = 88, - USDHC1_CLK_ROOT = 88, - MXC_ESDHC2_CLK = 89, - USDHC2_CLK_ROOT = 89, - I2C1_CLK_ROOT = 90, - MXC_I2C_CLK = 90, - I2C2_CLK_ROOT = 91, - I2C3_CLK_ROOT = 92, - I2C4_CLK_ROOT = 93, - UART1_CLK_ROOT = 94, - UART2_CLK_ROOT = 95, - UART3_CLK_ROOT = 96, - UART4_CLK_ROOT = 97, - USB_CORE_REF_CLK_ROOT = 98, - USB_PHY_REF_CLK_ROOT = 99, - GIC_CLK_ROOT = 100, - ECSPI1_CLK_ROOT = 101, - ECSPI2_CLK_ROOT = 102, - PWM1_CLK_ROOT = 103, - PWM2_CLK_ROOT = 104, - PWM3_CLK_ROOT = 105, - PWM4_CLK_ROOT = 106, - GPT1_CLK_ROOT = 107, - GPT2_CLK_ROOT = 108, - GPT3_CLK_ROOT = 109, - GPT4_CLK_ROOT = 110, - GPT5_CLK_ROOT = 111, - GPT6_CLK_ROOT = 112, - TRACE_CLK_ROOT = 113, - WDOG_CLK_ROOT = 114, - WRCLK_CLK_ROOT = 115, - IPP_DO_CLKO1 = 116, - IPP_DO_CLKO2 = 117, - MIPI_DSI_CORE_CLK_ROOT = 118, - MIPI_DSI_PHY_REF_CLK_ROOT = 119, - MIPI_DSI_DBI_CLK_ROOT = 120, - OLD_MIPI_DSI_ESC_CLK_ROOT = 121, - MIPI_CSI1_CORE_CLK_ROOT = 122, - MIPI_CSI1_PHY_REF_CLK_ROOT = 123, - MIPI_CSI1_ESC_CLK_ROOT = 124, - MIPI_CSI2_CORE_CLK_ROOT = 125, - MIPI_CSI2_PHY_REF_CLK_ROOT = 126, - MIPI_CSI2_ESC_CLK_ROOT = 127, - PCIE2_CTRL_CLK_ROOT = 128, - PCIE2_PHY_CLK_ROOT = 129, - PCIE2_AUX_CLK_ROOT = 130, - ECSPI3_CLK_ROOT = 131, - OLD_MIPI_DSI_ESC_RX_ROOT = 132, - DISPLAY_HDMI_CLK_ROOT = 133, - CLK_ROOT_MAX, -}; - -enum clk_root_src { - OSC_25M_CLK, - ARM_PLL_CLK, - DRAM_PLL1_CLK, - VIDEO_PLL2_CLK, - VPU_PLL_CLK, - GPU_PLL_CLK, - SYSTEM_PLL1_800M_CLK, - SYSTEM_PLL1_400M_CLK, - SYSTEM_PLL1_266M_CLK, - SYSTEM_PLL1_200M_CLK, - SYSTEM_PLL1_160M_CLK, - SYSTEM_PLL1_133M_CLK, - SYSTEM_PLL1_100M_CLK, - SYSTEM_PLL1_80M_CLK, - SYSTEM_PLL1_40M_CLK, - SYSTEM_PLL2_1000M_CLK, - SYSTEM_PLL2_500M_CLK, - SYSTEM_PLL2_333M_CLK, - SYSTEM_PLL2_250M_CLK, - SYSTEM_PLL2_200M_CLK, - SYSTEM_PLL2_166M_CLK, - SYSTEM_PLL2_125M_CLK, - SYSTEM_PLL2_100M_CLK, - SYSTEM_PLL2_50M_CLK, - SYSTEM_PLL3_CLK, - AUDIO_PLL1_CLK, - AUDIO_PLL2_CLK, - VIDEO_PLL_CLK, - OSC_32K_CLK, - EXT_CLK_1, - EXT_CLK_2, - EXT_CLK_3, - EXT_CLK_4, - OSC_27M_CLK, -}; - -/* CCGR index */ -enum clk_ccgr_index { - CCGR_DVFS = 0, - CCGR_ANAMIX = 1, - CCGR_CPU = 2, - CCGR_CSU = 4, - CCGR_DRAM1 = 5, - CCGR_DRAM2_OBSOLETE = 6, - CCGR_ECSPI1 = 7, - CCGR_ECSPI2 = 8, - CCGR_ECSPI3 = 9, - CCGR_ENET1 = 10, - CCGR_GPIO1 = 11, - CCGR_GPIO2 = 12, - CCGR_GPIO3 = 13, - CCGR_GPIO4 = 14, - CCGR_GPIO5 = 15, - CCGR_GPT1 = 16, - CCGR_GPT2 = 17, - CCGR_GPT3 = 18, - CCGR_GPT4 = 19, - CCGR_GPT5 = 20, - CCGR_GPT6 = 21, - CCGR_HS = 22, - CCGR_I2C1 = 23, - CCGR_I2C2 = 24, - CCGR_I2C3 = 25, - CCGR_I2C4 = 26, - CCGR_IOMUX = 27, - CCGR_IOMUX1 = 28, - CCGR_IOMUX2 = 29, - CCGR_IOMUX3 = 30, - CCGR_IOMUX4 = 31, - CCGR_M4 = 32, - CCGR_MU = 33, - CCGR_OCOTP = 34, - CCGR_OCRAM = 35, - CCGR_OCRAM_S = 36, - CCGR_PCIE = 37, - CCGR_PERFMON1 = 38, - CCGR_PERFMON2 = 39, - CCGR_PWM1 = 40, - CCGR_PWM2 = 41, - CCGR_PWM3 = 42, - CCGR_PWM4 = 43, - CCGR_QOS = 44, - CCGR_DISMIX = 45, - CCGR_MEGAMIX = 46, - CCGR_QSPI = 47, - CCGR_RAWNAND = 48, - CCGR_RDC = 49, - CCGR_ROM = 50, - CCGR_SAI1 = 51, - CCGR_SAI2 = 52, - CCGR_SAI3 = 53, - CCGR_SAI4 = 54, - CCGR_SAI5 = 55, - CCGR_SAI6 = 56, - CCGR_SCTR = 57, - CCGR_SDMA1 = 58, - CCGR_SDMA2 = 59, - CCGR_SEC_DEBUG = 60, - CCGR_SEMA1 = 61, - CCGR_SEMA2 = 62, - CCGR_SIM_DISPLAY = 63, - CCGR_SIM_ENET = 64, - CCGR_SIM_M = 65, - CCGR_SIM_MAIN = 66, - CCGR_SIM_S = 67, - CCGR_SIM_WAKEUP = 68, - CCGR_SIM_USB = 69, - CCGR_SIM_VPU = 70, - CCGR_SNVS = 71, - CCGR_TRACE = 72, - CCGR_UART1 = 73, - CCGR_UART2 = 74, - CCGR_UART3 = 75, - CCGR_UART4 = 76, - CCGR_USB_CTRL1 = 77, - CCGR_USB_CTRL2 = 78, - CCGR_USB_PHY1 = 79, - CCGR_USB_PHY2 = 80, - CCGR_USDHC1 = 81, - CCGR_USDHC2 = 82, - CCGR_WDOG1 = 83, - CCGR_WDOG2 = 84, - CCGR_WDOG3 = 85, - CCGR_VA53 = 86, - CCGR_GPU = 87, - CCGR_HEVC = 88, - CCGR_AVC = 89, - CCGR_VP9 = 90, - CCGR_HEVC_INTER = 91, - CCGR_GIC = 92, - CCGR_DISPLAY = 93, - CCGR_HDMI = 94, - CCGR_HDMI_PHY = 95, - CCGR_XTAL = 96, - CCGR_PLL = 97, - CCGR_TSENSOR = 98, - CCGR_VPU_DEC = 99, - CCGR_PCIE2 = 100, - CCGR_MIPI_CSI1 = 101, - CCGR_MIPI_CSI2 = 102, - CCGR_MAX, -}; - -/* src index */ -enum clk_src_index { - CLK_SRC_CKIL_SYNC_REQ = 0, - CLK_SRC_ARM_PLL_EN = 1, - CLK_SRC_GPU_PLL_EN = 2, - CLK_SRC_VPU_PLL_EN = 3, - CLK_SRC_DRAM_PLL_EN = 4, - CLK_SRC_SYSTEM_PLL1_EN = 5, - CLK_SRC_SYSTEM_PLL2_EN = 6, - CLK_SRC_SYSTEM_PLL3_EN = 7, - CLK_SRC_AUDIO_PLL1_EN = 8, - CLK_SRC_AUDIO_PLL2_EN = 9, - CLK_SRC_VIDEO_PLL1_EN = 10, - CLK_SRC_VIDEO_PLL2_EN = 11, - CLK_SRC_ARM_PLL = 12, - CLK_SRC_GPU_PLL = 13, - CLK_SRC_VPU_PLL = 14, - CLK_SRC_DRAM_PLL = 15, - CLK_SRC_SYSTEM_PLL1_800M = 16, - CLK_SRC_SYSTEM_PLL1_400M = 17, - CLK_SRC_SYSTEM_PLL1_266M = 18, - CLK_SRC_SYSTEM_PLL1_200M = 19, - CLK_SRC_SYSTEM_PLL1_160M = 20, - CLK_SRC_SYSTEM_PLL1_133M = 21, - CLK_SRC_SYSTEM_PLL1_100M = 22, - CLK_SRC_SYSTEM_PLL1_80M = 23, - CLK_SRC_SYSTEM_PLL1_40M = 24, - CLK_SRC_SYSTEM_PLL2_1000M = 25, - CLK_SRC_SYSTEM_PLL2_500M = 26, - CLK_SRC_SYSTEM_PLL2_333M = 27, - CLK_SRC_SYSTEM_PLL2_250M = 28, - CLK_SRC_SYSTEM_PLL2_200M = 29, - CLK_SRC_SYSTEM_PLL2_166M = 30, - CLK_SRC_SYSTEM_PLL2_125M = 31, - CLK_SRC_SYSTEM_PLL2_100M = 32, - CLK_SRC_SYSTEM_PLL2_50M = 33, - CLK_SRC_SYSTEM_PLL3 = 34, - CLK_SRC_AUDIO_PLL1 = 35, - CLK_SRC_AUDIO_PLL2 = 36, - CLK_SRC_VIDEO_PLL1 = 37, - CLK_SRC_VIDEO_PLL2 = 38, - CLK_SRC_OSC_25M = 39, - CLK_SRC_OSC_27M = 40, -}; - enum root_pre_div { CLK_ROOT_PRE_DIV1 = 0, CLK_ROOT_PRE_DIV2, @@ -466,6 +176,29 @@ struct ccm_reg { struct ccm_root ip_root[78]; };
+enum enet_freq { + ENET_25MHZ = 0, + ENET_50MHZ, + ENET_125MHZ, +}; + +#define DRAM_BYPASS_ROOT_CONFIG(_rate, _m, _p, _s, _k) \ + { \ + .clk = (_rate), \ + .alt_root_sel = (_m), \ + .alt_pre_div = (_p), \ + .apb_root_sel = (_s), \ + .apb_pre_div = (_k), \ + } + +struct dram_bypass_clk_setting { + ulong clk; + int alt_root_sel; + enum root_pre_div alt_pre_div; + int apb_root_sel; + enum root_pre_div apb_pre_div; +}; + #define CCGR_CLK_ON_MASK 0x03 #define CLK_SRC_ON_MASK 0x03
@@ -503,117 +236,6 @@ struct ccm_reg { #define CLK_ROOT_IPG_POST_DIV_MASK 0x3 #define CLK_ROOT_POST_DIV_SHIFT 0 #define CLK_ROOT_POST_DIV(n) ((n) & 0x3f) - -/* AUDIO PLL1/2 VIDEO PLL1 GPU PLL VPU PLL ARM PLL*/ -#define FRAC_PLL_LOCK_MASK BIT(31) -#define FRAC_PLL_CLKE_MASK BIT(21) -#define FRAC_PLL_PD_MASK BIT(19) -#define FRAC_PLL_REFCLK_SEL_MASK BIT(16) -#define FRAC_PLL_LOCK_SEL_MASK BIT(15) -#define FRAC_PLL_BYPASS_MASK BIT(14) -#define FRAC_PLL_COUNTCLK_SEL_MASK BIT(13) -#define FRAC_PLL_NEWDIV_VAL_MASK BIT(12) -#define FRAC_PLL_NEWDIV_ACK_MASK BIT(11) -#define FRAC_PLL_REFCLK_DIV_VAL(n) (((n) << 5) & (0x3f << 5)) -#define FRAC_PLL_REFCLK_DIV_VAL_MASK (0x3f << 5) -#define FRAC_PLL_REFCLK_DIV_VAL_SHIFT 5 -#define FRAC_PLL_OUTPUT_DIV_VAL_MASK 0x1f -#define FRAC_PLL_OUTPUT_DIV_VAL(n) ((n) & 0x1f) - -#define FRAC_PLL_REFCLK_SEL_OSC_25M (0 << 16) -#define FRAC_PLL_REFCLK_SEL_OSC_27M BIT(16) -#define FRAC_PLL_REFCLK_SEL_HDMI_PHY_27M (2 << 16) -#define FRAC_PLL_REFCLK_SEL_CLK_PN (3 << 16) - -#define FRAC_PLL_FRAC_DIV_CTL_MASK (0x1ffffff << 7) -#define FRAC_PLL_FRAC_DIV_CTL_SHIFT 7 -#define FRAC_PLL_INT_DIV_CTL_MASK 0x7f -#define FRAC_PLL_INT_DIV_CTL_VAL(n) ((n) & 0x7f) - -/* SYS PLL1/2/3 VIDEO PLL2 DRAM PLL */ -#define SSCG_PLL_LOCK_MASK BIT(31) -#define SSCG_PLL_CLKE_MASK BIT(25) -#define SSCG_PLL_DIV2_CLKE_MASK BIT(23) -#define SSCG_PLL_DIV3_CLKE_MASK BIT(21) -#define SSCG_PLL_DIV4_CLKE_MASK BIT(19) -#define SSCG_PLL_DIV5_CLKE_MASK BIT(17) -#define SSCG_PLL_DIV6_CLKE_MASK BIT(15) -#define SSCG_PLL_DIV8_CLKE_MASK BIT(13) -#define SSCG_PLL_DIV10_CLKE_MASK BIT(11) -#define SSCG_PLL_DIV20_CLKE_MASK BIT(9) -#define SSCG_PLL_VIDEO_PLL2_CLKE_MASK BIT(9) -#define SSCG_PLL_DRAM_PLL_CLKE_MASK BIT(9) -#define SSCG_PLL_PLL3_CLKE_MASK BIT(9) -#define SSCG_PLL_PD_MASK BIT(7) -#define SSCG_PLL_BYPASS1_MASK BIT(5) -#define SSCG_PLL_BYPASS2_MASK BIT(4) -#define SSCG_PLL_LOCK_SEL_MASK BIT(3) -#define SSCG_PLL_COUNTCLK_SEL_MASK BIT(2) -#define SSCG_PLL_REFCLK_SEL_MASK 0x3 -#define SSCG_PLL_REFCLK_SEL_OSC_25M (0 << 16) -#define SSCG_PLL_REFCLK_SEL_OSC_27M BIT(16) -#define SSCG_PLL_REFCLK_SEL_HDMI_PHY_27M (2 << 16) -#define SSCG_PLL_REFCLK_SEL_CLK_PN (3 << 16) - -#define SSCG_PLL_SSDS_MASK BIT(8) -#define SSCG_PLL_SSMD_MASK (0x7 << 5) -#define SSCG_PLL_SSMF_MASK (0xf << 1) -#define SSCG_PLL_SSE_MASK 0x1 - -#define SSCG_PLL_REF_DIVR1_MASK (0x7 << 25) -#define SSCG_PLL_REF_DIVR1_SHIFT 25 -#define SSCG_PLL_REF_DIVR1_VAL(n) (((n) << 25) & SSCG_PLL_REF_DIVR1_MASK) -#define SSCG_PLL_REF_DIVR2_MASK (0x3f << 19) -#define SSCG_PLL_REF_DIVR2_SHIFT 19 -#define SSCG_PLL_REF_DIVR2_VAL(n) (((n) << 19) & SSCG_PLL_REF_DIVR2_MASK) -#define SSCG_PLL_FEEDBACK_DIV_F1_MASK (0x3f << 13) -#define SSCG_PLL_FEEDBACK_DIV_F1_SHIFT 13 -#define SSCG_PLL_FEEDBACK_DIV_F1_VAL(n) (((n) << 13) & \ - SSCG_PLL_FEEDBACK_DIV_F1_MASK) -#define SSCG_PLL_FEEDBACK_DIV_F2_MASK (0x3f << 7) -#define SSCG_PLL_FEEDBACK_DIV_F2_SHIFT 7 -#define SSCG_PLL_FEEDBACK_DIV_F2_VAL(n) (((n) << 7) & \ - SSCG_PLL_FEEDBACK_DIV_F2_MASK) -#define SSCG_PLL_OUTPUT_DIV_VAL_MASK (0x3f << 1) -#define SSCG_PLL_OUTPUT_DIV_VAL_SHIFT 1 -#define SSCG_PLL_OUTPUT_DIV_VAL(n) (((n) << 1) & \ - SSCG_PLL_OUTPUT_DIV_VAL_MASK) -#define SSCG_PLL_FILTER_RANGE_MASK 0x1 - -#define HW_DIGPROG_MAJOR_UPPER_MASK (0xff << 16) -#define HW_DIGPROG_MAJOR_LOWER_MASK (0xff << 8) -#define HW_DIGPROG_MINOR_MASK 0xff - -#define HW_OSC_27M_CLKE_MASK BIT(4) -#define HW_OSC_25M_CLKE_MASK BIT(2) -#define HW_OSC_32K_SEL_MASK 0x1 -#define HW_OSC_32K_SEL_RTC 0x1 -#define HW_OSC_32K_SEL_25M_DIV800 0x0 - -#define HW_FRAC_ARM_PLL_DIV_MASK (0x7 << 20) -#define HW_FRAC_ARM_PLL_DIV_SHIFT 20 -#define HW_FRAC_VPU_PLL_DIV_MASK (0x7 << 16) -#define HW_FRAC_VPU_PLL_DIV_SHIFT 16 -#define HW_FRAC_GPU_PLL_DIV_MASK (0x7 << 12) -#define HW_FRAC_GPU_PLL_DIV_SHIFT 12 -#define HW_FRAC_VIDEO_PLL1_DIV_MASK (0x7 << 10) -#define HW_FRAC_VIDEO_PLL1_DIV_SHIFT 10 -#define HW_FRAC_AUDIO_PLL2_DIV_MASK (0x7 << 4) -#define HW_FRAC_AUDIO_PLL2_DIV_SHIFT 4 -#define HW_FRAC_AUDIO_PLL1_DIV_MASK 0x7 -#define HW_FRAC_AUDIO_PLL1_DIV_SHIFT 0 - -#define HW_SSCG_VIDEO_PLL2_DIV_MASK (0x7 << 16) -#define HW_SSCG_VIDEO_PLL2_DIV_SHIFT 16 -#define HW_SSCG_DRAM_PLL_DIV_MASK (0x7 << 14) -#define HW_SSCG_DRAM_PLL_DIV_SHIFT 14 -#define HW_SSCG_SYSTEM_PLL3_DIV_MASK (0x7 << 8) -#define HW_SSCG_SYSTEM_PLL3_DIV_SHIFT 8 -#define HW_SSCG_SYSTEM_PLL2_DIV_MASK (0x7 << 4) -#define HW_SSCG_SYSTEM_PLL2_DIV_SHIFT 4 -#define HW_SSCG_SYSTEM_PLL1_DIV_MASK 0x7 -#define HW_SSCG_SYSTEM_PLL1_DIV_SHIFT 0 - #define ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_125M_CLK 0x01000000 #define ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_50M_CLK 0x02000000 #define ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_25M_CLK 0x03000000 @@ -622,34 +244,6 @@ struct ccm_reg { #define ENET1_TIME_CLK_ROOT_FROM_PLL_ENET_MAIN_100M_CLK 0x01000000 #define ENET_PHY_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_25M_CLK 0x01000000
-enum enet_freq { - ENET_25MHZ = 0, - ENET_50MHZ, - ENET_125MHZ, -}; - -enum frac_pll_out_val { - FRAC_PLL_OUT_1000M, - FRAC_PLL_OUT_1600M, -}; - -#define DRAM_BYPASS_ROOT_CONFIG(_rate, _m, _p, _s, _k) \ - { \ - .clk = (_rate), \ - .alt_root_sel = (_m), \ - .alt_pre_div = (_p), \ - .apb_root_sel = (_s), \ - .apb_pre_div = (_k), \ - } - -struct dram_bypass_clk_setting { - ulong clk; - int alt_root_sel; - enum root_pre_div alt_pre_div; - int apb_root_sel; - enum root_pre_div apb_pre_div; -}; - void dram_pll_init(ulong pll_val); void dram_enable_bypass(ulong clk_val); void dram_disable_bypass(void); @@ -659,7 +253,7 @@ int clock_init(void); void init_clk_usdhc(u32 index); void init_uart_clk(u32 index); void init_wdog_clk(void); -unsigned int mxc_get_clock(enum clk_root_index clk); +unsigned int mxc_get_clock(enum mxc_clock clk); int clock_enable(enum clk_ccgr_index index, bool enable); int clock_root_enabled(enum clk_root_index clock_id); int clock_root_cfg(enum clk_root_index clock_id, enum root_pre_div pre_div, @@ -675,4 +269,3 @@ int set_clk_qspi(void); void enable_ocotp_clk(unsigned char enable); int enable_i2c_clk(unsigned char enable, unsigned int i2c_num); int set_clk_enet(enum enet_freq type); -#endif diff --git a/arch/arm/include/asm/arch-imx8m/clock_imx8mq.h b/arch/arm/include/asm/arch-imx8m/clock_imx8mq.h new file mode 100644 index 0000000000..9fa9eb2687 --- /dev/null +++ b/arch/arm/include/asm/arch-imx8m/clock_imx8mq.h @@ -0,0 +1,424 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2017 NXP + * + * Peng Fan peng.fan@nxp.com + */ + +#ifndef _ASM_ARCH_IMX8M_CLOCK_H +#define _ASM_ARCH_IMX8M_CLOCK_H + +enum pll_clocks { + ANATOP_ARM_PLL, + ANATOP_GPU_PLL, + ANATOP_SYSTEM_PLL1, + ANATOP_SYSTEM_PLL2, + ANATOP_SYSTEM_PLL3, + ANATOP_AUDIO_PLL1, + ANATOP_AUDIO_PLL2, + ANATOP_VIDEO_PLL1, + ANATOP_VIDEO_PLL2, + ANATOP_DRAM_PLL, +}; + +enum clk_root_index { + ARM_A53_CLK_ROOT = 0, + ARM_M4_CLK_ROOT = 1, + VPU_A53_CLK_ROOT = 2, + GPU_CORE_CLK_ROOT = 3, + GPU_SHADER_CLK_ROOT = 4, + MAIN_AXI_CLK_ROOT = 16, + ENET_AXI_CLK_ROOT = 17, + NAND_USDHC_BUS_CLK_ROOT = 18, + VPU_BUS_CLK_ROOT = 19, + DISPLAY_AXI_CLK_ROOT = 20, + DISPLAY_APB_CLK_ROOT = 21, + DISPLAY_RTRM_CLK_ROOT = 22, + USB_BUS_CLK_ROOT = 23, + GPU_AXI_CLK_ROOT = 24, + GPU_AHB_CLK_ROOT = 25, + NOC_CLK_ROOT = 26, + NOC_APB_CLK_ROOT = 27, + AHB_CLK_ROOT = 32, + IPG_CLK_ROOT = 33, + AUDIO_AHB_CLK_ROOT = 34, + MIPI_DSI_ESC_RX_CLK_ROOT = 36, + DRAM_SEL_CFG = 48, + CORE_SEL_CFG = 49, + DRAM_ALT_CLK_ROOT = 64, + DRAM_APB_CLK_ROOT = 65, + VPU_G1_CLK_ROOT = 66, + VPU_G2_CLK_ROOT = 67, + DISPLAY_DTRC_CLK_ROOT = 68, + DISPLAY_DC8000_CLK_ROOT = 69, + PCIE1_CTRL_CLK_ROOT = 70, + PCIE1_PHY_CLK_ROOT = 71, + PCIE1_AUX_CLK_ROOT = 72, + DC_PIXEL_CLK_ROOT = 73, + LCDIF_PIXEL_CLK_ROOT = 74, + SAI1_CLK_ROOT = 75, + SAI2_CLK_ROOT = 76, + SAI3_CLK_ROOT = 77, + SAI4_CLK_ROOT = 78, + SAI5_CLK_ROOT = 79, + SAI6_CLK_ROOT = 80, + SPDIF1_CLK_ROOT = 81, + SPDIF2_CLK_ROOT = 82, + ENET_REF_CLK_ROOT = 83, + ENET_TIMER_CLK_ROOT = 84, + ENET_PHY_REF_CLK_ROOT = 85, + NAND_CLK_ROOT = 86, + QSPI_CLK_ROOT = 87, + USDHC1_CLK_ROOT = 88, + USDHC2_CLK_ROOT = 89, + I2C1_CLK_ROOT = 90, + I2C2_CLK_ROOT = 91, + I2C3_CLK_ROOT = 92, + I2C4_CLK_ROOT = 93, + UART1_CLK_ROOT = 94, + UART2_CLK_ROOT = 95, + UART3_CLK_ROOT = 96, + UART4_CLK_ROOT = 97, + USB_CORE_REF_CLK_ROOT = 98, + USB_PHY_REF_CLK_ROOT = 99, + GIC_CLK_ROOT = 100, + ECSPI1_CLK_ROOT = 101, + ECSPI2_CLK_ROOT = 102, + PWM1_CLK_ROOT = 103, + PWM2_CLK_ROOT = 104, + PWM3_CLK_ROOT = 105, + PWM4_CLK_ROOT = 106, + GPT1_CLK_ROOT = 107, + GPT2_CLK_ROOT = 108, + GPT3_CLK_ROOT = 109, + GPT4_CLK_ROOT = 110, + GPT5_CLK_ROOT = 111, + GPT6_CLK_ROOT = 112, + TRACE_CLK_ROOT = 113, + WDOG_CLK_ROOT = 114, + WRCLK_CLK_ROOT = 115, + IPP_DO_CLKO1 = 116, + IPP_DO_CLKO2 = 117, + MIPI_DSI_CORE_CLK_ROOT = 118, + MIPI_DSI_PHY_REF_CLK_ROOT = 119, + MIPI_DSI_DBI_CLK_ROOT = 120, + OLD_MIPI_DSI_ESC_CLK_ROOT = 121, + MIPI_CSI1_CORE_CLK_ROOT = 122, + MIPI_CSI1_PHY_REF_CLK_ROOT = 123, + MIPI_CSI1_ESC_CLK_ROOT = 124, + MIPI_CSI2_CORE_CLK_ROOT = 125, + MIPI_CSI2_PHY_REF_CLK_ROOT = 126, + MIPI_CSI2_ESC_CLK_ROOT = 127, + PCIE2_CTRL_CLK_ROOT = 128, + PCIE2_PHY_CLK_ROOT = 129, + PCIE2_AUX_CLK_ROOT = 130, + ECSPI3_CLK_ROOT = 131, + OLD_MIPI_DSI_ESC_RX_ROOT = 132, + DISPLAY_HDMI_CLK_ROOT = 133, + CLK_ROOT_MAX, +}; + +enum clk_root_src { + OSC_25M_CLK, + ARM_PLL_CLK, + DRAM_PLL1_CLK, + VIDEO_PLL2_CLK, + VPU_PLL_CLK, + GPU_PLL_CLK, + SYSTEM_PLL1_800M_CLK, + SYSTEM_PLL1_400M_CLK, + SYSTEM_PLL1_266M_CLK, + SYSTEM_PLL1_200M_CLK, + SYSTEM_PLL1_160M_CLK, + SYSTEM_PLL1_133M_CLK, + SYSTEM_PLL1_100M_CLK, + SYSTEM_PLL1_80M_CLK, + SYSTEM_PLL1_40M_CLK, + SYSTEM_PLL2_1000M_CLK, + SYSTEM_PLL2_500M_CLK, + SYSTEM_PLL2_333M_CLK, + SYSTEM_PLL2_250M_CLK, + SYSTEM_PLL2_200M_CLK, + SYSTEM_PLL2_166M_CLK, + SYSTEM_PLL2_125M_CLK, + SYSTEM_PLL2_100M_CLK, + SYSTEM_PLL2_50M_CLK, + SYSTEM_PLL3_CLK, + AUDIO_PLL1_CLK, + AUDIO_PLL2_CLK, + VIDEO_PLL_CLK, + OSC_32K_CLK, + EXT_CLK_1, + EXT_CLK_2, + EXT_CLK_3, + EXT_CLK_4, + OSC_27M_CLK, +}; + +/* CCGR index */ +enum clk_ccgr_index { + CCGR_DVFS = 0, + CCGR_ANAMIX = 1, + CCGR_CPU = 2, + CCGR_CSU = 4, + CCGR_DRAM1 = 5, + CCGR_DRAM2_OBSOLETE = 6, + CCGR_ECSPI1 = 7, + CCGR_ECSPI2 = 8, + CCGR_ECSPI3 = 9, + CCGR_ENET1 = 10, + CCGR_GPIO1 = 11, + CCGR_GPIO2 = 12, + CCGR_GPIO3 = 13, + CCGR_GPIO4 = 14, + CCGR_GPIO5 = 15, + CCGR_GPT1 = 16, + CCGR_GPT2 = 17, + CCGR_GPT3 = 18, + CCGR_GPT4 = 19, + CCGR_GPT5 = 20, + CCGR_GPT6 = 21, + CCGR_HS = 22, + CCGR_I2C1 = 23, + CCGR_I2C2 = 24, + CCGR_I2C3 = 25, + CCGR_I2C4 = 26, + CCGR_IOMUX = 27, + CCGR_IOMUX1 = 28, + CCGR_IOMUX2 = 29, + CCGR_IOMUX3 = 30, + CCGR_IOMUX4 = 31, + CCGR_M4 = 32, + CCGR_MU = 33, + CCGR_OCOTP = 34, + CCGR_OCRAM = 35, + CCGR_OCRAM_S = 36, + CCGR_PCIE = 37, + CCGR_PERFMON1 = 38, + CCGR_PERFMON2 = 39, + CCGR_PWM1 = 40, + CCGR_PWM2 = 41, + CCGR_PWM3 = 42, + CCGR_PWM4 = 43, + CCGR_QOS = 44, + CCGR_DISMIX = 45, + CCGR_MEGAMIX = 46, + CCGR_QSPI = 47, + CCGR_RAWNAND = 48, + CCGR_RDC = 49, + CCGR_ROM = 50, + CCGR_SAI1 = 51, + CCGR_SAI2 = 52, + CCGR_SAI3 = 53, + CCGR_SAI4 = 54, + CCGR_SAI5 = 55, + CCGR_SAI6 = 56, + CCGR_SCTR = 57, + CCGR_SDMA1 = 58, + CCGR_SDMA2 = 59, + CCGR_SEC_DEBUG = 60, + CCGR_SEMA1 = 61, + CCGR_SEMA2 = 62, + CCGR_SIM_DISPLAY = 63, + CCGR_SIM_ENET = 64, + CCGR_SIM_M = 65, + CCGR_SIM_MAIN = 66, + CCGR_SIM_S = 67, + CCGR_SIM_WAKEUP = 68, + CCGR_SIM_USB = 69, + CCGR_SIM_VPU = 70, + CCGR_SNVS = 71, + CCGR_TRACE = 72, + CCGR_UART1 = 73, + CCGR_UART2 = 74, + CCGR_UART3 = 75, + CCGR_UART4 = 76, + CCGR_USB_CTRL1 = 77, + CCGR_USB_CTRL2 = 78, + CCGR_USB_PHY1 = 79, + CCGR_USB_PHY2 = 80, + CCGR_USDHC1 = 81, + CCGR_USDHC2 = 82, + CCGR_WDOG1 = 83, + CCGR_WDOG2 = 84, + CCGR_WDOG3 = 85, + CCGR_VA53 = 86, + CCGR_GPU = 87, + CCGR_HEVC = 88, + CCGR_AVC = 89, + CCGR_VP9 = 90, + CCGR_HEVC_INTER = 91, + CCGR_GIC = 92, + CCGR_DISPLAY = 93, + CCGR_HDMI = 94, + CCGR_HDMI_PHY = 95, + CCGR_XTAL = 96, + CCGR_PLL = 97, + CCGR_TSENSOR = 98, + CCGR_VPU_DEC = 99, + CCGR_PCIE2 = 100, + CCGR_MIPI_CSI1 = 101, + CCGR_MIPI_CSI2 = 102, + CCGR_MAX, +}; + +/* src index */ +enum clk_src_index { + CLK_SRC_CKIL_SYNC_REQ = 0, + CLK_SRC_ARM_PLL_EN = 1, + CLK_SRC_GPU_PLL_EN = 2, + CLK_SRC_VPU_PLL_EN = 3, + CLK_SRC_DRAM_PLL_EN = 4, + CLK_SRC_SYSTEM_PLL1_EN = 5, + CLK_SRC_SYSTEM_PLL2_EN = 6, + CLK_SRC_SYSTEM_PLL3_EN = 7, + CLK_SRC_AUDIO_PLL1_EN = 8, + CLK_SRC_AUDIO_PLL2_EN = 9, + CLK_SRC_VIDEO_PLL1_EN = 10, + CLK_SRC_VIDEO_PLL2_EN = 11, + CLK_SRC_ARM_PLL = 12, + CLK_SRC_GPU_PLL = 13, + CLK_SRC_VPU_PLL = 14, + CLK_SRC_DRAM_PLL = 15, + CLK_SRC_SYSTEM_PLL1_800M = 16, + CLK_SRC_SYSTEM_PLL1_400M = 17, + CLK_SRC_SYSTEM_PLL1_266M = 18, + CLK_SRC_SYSTEM_PLL1_200M = 19, + CLK_SRC_SYSTEM_PLL1_160M = 20, + CLK_SRC_SYSTEM_PLL1_133M = 21, + CLK_SRC_SYSTEM_PLL1_100M = 22, + CLK_SRC_SYSTEM_PLL1_80M = 23, + CLK_SRC_SYSTEM_PLL1_40M = 24, + CLK_SRC_SYSTEM_PLL2_1000M = 25, + CLK_SRC_SYSTEM_PLL2_500M = 26, + CLK_SRC_SYSTEM_PLL2_333M = 27, + CLK_SRC_SYSTEM_PLL2_250M = 28, + CLK_SRC_SYSTEM_PLL2_200M = 29, + CLK_SRC_SYSTEM_PLL2_166M = 30, + CLK_SRC_SYSTEM_PLL2_125M = 31, + CLK_SRC_SYSTEM_PLL2_100M = 32, + CLK_SRC_SYSTEM_PLL2_50M = 33, + CLK_SRC_SYSTEM_PLL3 = 34, + CLK_SRC_AUDIO_PLL1 = 35, + CLK_SRC_AUDIO_PLL2 = 36, + CLK_SRC_VIDEO_PLL1 = 37, + CLK_SRC_VIDEO_PLL2 = 38, + CLK_SRC_OSC_25M = 39, + CLK_SRC_OSC_27M = 40, +}; + +/* AUDIO PLL1/2 VIDEO PLL1 GPU PLL VPU PLL ARM PLL*/ +#define FRAC_PLL_LOCK_MASK BIT(31) +#define FRAC_PLL_CLKE_MASK BIT(21) +#define FRAC_PLL_PD_MASK BIT(19) +#define FRAC_PLL_REFCLK_SEL_MASK BIT(16) +#define FRAC_PLL_LOCK_SEL_MASK BIT(15) +#define FRAC_PLL_BYPASS_MASK BIT(14) +#define FRAC_PLL_COUNTCLK_SEL_MASK BIT(13) +#define FRAC_PLL_NEWDIV_VAL_MASK BIT(12) +#define FRAC_PLL_NEWDIV_ACK_MASK BIT(11) +#define FRAC_PLL_REFCLK_DIV_VAL(n) (((n) << 5) & (0x3f << 5)) +#define FRAC_PLL_REFCLK_DIV_VAL_MASK (0x3f << 5) +#define FRAC_PLL_REFCLK_DIV_VAL_SHIFT 5 +#define FRAC_PLL_OUTPUT_DIV_VAL_MASK 0x1f +#define FRAC_PLL_OUTPUT_DIV_VAL(n) ((n) & 0x1f) + +#define FRAC_PLL_REFCLK_SEL_OSC_25M (0 << 16) +#define FRAC_PLL_REFCLK_SEL_OSC_27M BIT(16) +#define FRAC_PLL_REFCLK_SEL_HDMI_PHY_27M (2 << 16) +#define FRAC_PLL_REFCLK_SEL_CLK_PN (3 << 16) + +#define FRAC_PLL_FRAC_DIV_CTL_MASK (0x1ffffff << 7) +#define FRAC_PLL_FRAC_DIV_CTL_SHIFT 7 +#define FRAC_PLL_INT_DIV_CTL_MASK 0x7f +#define FRAC_PLL_INT_DIV_CTL_VAL(n) ((n) & 0x7f) + +/* SYS PLL1/2/3 VIDEO PLL2 DRAM PLL */ +#define SSCG_PLL_LOCK_MASK BIT(31) +#define SSCG_PLL_CLKE_MASK BIT(25) +#define SSCG_PLL_DIV2_CLKE_MASK BIT(23) +#define SSCG_PLL_DIV3_CLKE_MASK BIT(21) +#define SSCG_PLL_DIV4_CLKE_MASK BIT(19) +#define SSCG_PLL_DIV5_CLKE_MASK BIT(17) +#define SSCG_PLL_DIV6_CLKE_MASK BIT(15) +#define SSCG_PLL_DIV8_CLKE_MASK BIT(13) +#define SSCG_PLL_DIV10_CLKE_MASK BIT(11) +#define SSCG_PLL_DIV20_CLKE_MASK BIT(9) +#define SSCG_PLL_VIDEO_PLL2_CLKE_MASK BIT(9) +#define SSCG_PLL_DRAM_PLL_CLKE_MASK BIT(9) +#define SSCG_PLL_PLL3_CLKE_MASK BIT(9) +#define SSCG_PLL_PD_MASK BIT(7) +#define SSCG_PLL_BYPASS1_MASK BIT(5) +#define SSCG_PLL_BYPASS2_MASK BIT(4) +#define SSCG_PLL_LOCK_SEL_MASK BIT(3) +#define SSCG_PLL_COUNTCLK_SEL_MASK BIT(2) +#define SSCG_PLL_REFCLK_SEL_MASK 0x3 +#define SSCG_PLL_REFCLK_SEL_OSC_25M (0 << 16) +#define SSCG_PLL_REFCLK_SEL_OSC_27M BIT(16) +#define SSCG_PLL_REFCLK_SEL_HDMI_PHY_27M (2 << 16) +#define SSCG_PLL_REFCLK_SEL_CLK_PN (3 << 16) + +#define SSCG_PLL_SSDS_MASK BIT(8) +#define SSCG_PLL_SSMD_MASK (0x7 << 5) +#define SSCG_PLL_SSMF_MASK (0xf << 1) +#define SSCG_PLL_SSE_MASK 0x1 + +#define SSCG_PLL_REF_DIVR1_MASK (0x7 << 25) +#define SSCG_PLL_REF_DIVR1_SHIFT 25 +#define SSCG_PLL_REF_DIVR1_VAL(n) (((n) << 25) & SSCG_PLL_REF_DIVR1_MASK) +#define SSCG_PLL_REF_DIVR2_MASK (0x3f << 19) +#define SSCG_PLL_REF_DIVR2_SHIFT 19 +#define SSCG_PLL_REF_DIVR2_VAL(n) (((n) << 19) & SSCG_PLL_REF_DIVR2_MASK) +#define SSCG_PLL_FEEDBACK_DIV_F1_MASK (0x3f << 13) +#define SSCG_PLL_FEEDBACK_DIV_F1_SHIFT 13 +#define SSCG_PLL_FEEDBACK_DIV_F1_VAL(n) (((n) << 13) & \ + SSCG_PLL_FEEDBACK_DIV_F1_MASK) +#define SSCG_PLL_FEEDBACK_DIV_F2_MASK (0x3f << 7) +#define SSCG_PLL_FEEDBACK_DIV_F2_SHIFT 7 +#define SSCG_PLL_FEEDBACK_DIV_F2_VAL(n) (((n) << 7) & \ + SSCG_PLL_FEEDBACK_DIV_F2_MASK) +#define SSCG_PLL_OUTPUT_DIV_VAL_MASK (0x3f << 1) +#define SSCG_PLL_OUTPUT_DIV_VAL_SHIFT 1 +#define SSCG_PLL_OUTPUT_DIV_VAL(n) (((n) << 1) & \ + SSCG_PLL_OUTPUT_DIV_VAL_MASK) +#define SSCG_PLL_FILTER_RANGE_MASK 0x1 + +#define HW_DIGPROG_MAJOR_UPPER_MASK (0xff << 16) +#define HW_DIGPROG_MAJOR_LOWER_MASK (0xff << 8) +#define HW_DIGPROG_MINOR_MASK 0xff + +#define HW_OSC_27M_CLKE_MASK BIT(4) +#define HW_OSC_25M_CLKE_MASK BIT(2) +#define HW_OSC_32K_SEL_MASK 0x1 +#define HW_OSC_32K_SEL_RTC 0x1 +#define HW_OSC_32K_SEL_25M_DIV800 0x0 + +#define HW_FRAC_ARM_PLL_DIV_MASK (0x7 << 20) +#define HW_FRAC_ARM_PLL_DIV_SHIFT 20 +#define HW_FRAC_VPU_PLL_DIV_MASK (0x7 << 16) +#define HW_FRAC_VPU_PLL_DIV_SHIFT 16 +#define HW_FRAC_GPU_PLL_DIV_MASK (0x7 << 12) +#define HW_FRAC_GPU_PLL_DIV_SHIFT 12 +#define HW_FRAC_VIDEO_PLL1_DIV_MASK (0x7 << 10) +#define HW_FRAC_VIDEO_PLL1_DIV_SHIFT 10 +#define HW_FRAC_AUDIO_PLL2_DIV_MASK (0x7 << 4) +#define HW_FRAC_AUDIO_PLL2_DIV_SHIFT 4 +#define HW_FRAC_AUDIO_PLL1_DIV_MASK 0x7 +#define HW_FRAC_AUDIO_PLL1_DIV_SHIFT 0 + +#define HW_SSCG_VIDEO_PLL2_DIV_MASK (0x7 << 16) +#define HW_SSCG_VIDEO_PLL2_DIV_SHIFT 16 +#define HW_SSCG_DRAM_PLL_DIV_MASK (0x7 << 14) +#define HW_SSCG_DRAM_PLL_DIV_SHIFT 14 +#define HW_SSCG_SYSTEM_PLL3_DIV_MASK (0x7 << 8) +#define HW_SSCG_SYSTEM_PLL3_DIV_SHIFT 8 +#define HW_SSCG_SYSTEM_PLL2_DIV_MASK (0x7 << 4) +#define HW_SSCG_SYSTEM_PLL2_DIV_SHIFT 4 +#define HW_SSCG_SYSTEM_PLL1_DIV_MASK 0x7 +#define HW_SSCG_SYSTEM_PLL1_DIV_SHIFT 0 + +enum frac_pll_out_val { + FRAC_PLL_OUT_1000M, + FRAC_PLL_OUT_1600M, +}; +#endif diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mq.c b/arch/arm/mach-imx/imx8m/clock_imx8mq.c index 289b9417aa..feecdb50f6 100644 --- a/arch/arm/mach-imx/imx8m/clock_imx8mq.c +++ b/arch/arm/mach-imx/imx8m/clock_imx8mq.c @@ -322,13 +322,10 @@ int enable_i2c_clk(unsigned char enable, unsigned int i2c_num) return 0; }
-unsigned int mxc_get_clock(enum clk_root_index clk) +unsigned int mxc_get_clock(enum mxc_clock clk) { u32 val;
- if (clk >= CLK_ROOT_MAX) - return 0; - if (clk == MXC_ARM_CLK) return get_root_clk(ARM_A53_CLK_ROOT);