| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Linux/drivers/clk/imx/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 35 kB |
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Quelle clk-imx5.c Sprache: C |
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// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2011 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> */ #include <linux/mm.h> #include <linux/delay.h> #include <linux/clk.h> #include <linux/io.h> #include <linux/clkdev.h> #include <linux/clk-provider.h> #include <linux/err.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/sizes.h> #include <soc/imx/revision.h> #include <dt-bindings/clock/imx5-clock.h> #include "clk.h" #define MX51_DPLL1_BASE 0x83f80000 #define MX51_DPLL2_BASE 0x83f84000 #define MX51_DPLL3_BASE 0x83f88000 #define MX53_DPLL1_BASE 0x63f80000 #define MX53_DPLL2_BASE 0x63f84000 #define MX53_DPLL3_BASE 0x63f88000 #define MX53_DPLL4_BASE 0x63f8c000 #define MXC_CCM_CCR (ccm_base + 0x00) #define MXC_CCM_CCDR (ccm_base + 0x04) #define MXC_CCM_CSR (ccm_base + 0x08) #define MXC_CCM_CCSR (ccm_base + 0x0c) #define MXC_CCM_CACRR (ccm_base + 0x10) #define MXC_CCM_CBCDR (ccm_base + 0x14) #define MXC_CCM_CBCMR (ccm_base + 0x18) #define MXC_CCM_CSCMR1 (ccm_base + 0x1c) #define MXC_CCM_CSCMR2 (ccm_base + 0x20) #define MXC_CCM_CSCDR1 (ccm_base + 0x24) #define MXC_CCM_CS1CDR (ccm_base + 0x28) #define MXC_CCM_CS2CDR (ccm_base + 0x2c) #define MXC_CCM_CDCDR (ccm_base + 0x30) #define MXC_CCM_CHSCDR (ccm_base + 0x34) #define MXC_CCM_CSCDR2 (ccm_base + 0x38) #define MXC_CCM_CSCDR3 (ccm_base + 0x3c) #define MXC_CCM_CSCDR4 (ccm_base + 0x40) #define MXC_CCM_CWDR (ccm_base + 0x44) #define MXC_CCM_CDHIPR (ccm_base + 0x48) #define MXC_CCM_CDCR (ccm_base + 0x4c) #define MXC_CCM_CTOR (ccm_base + 0x50) #define MXC_CCM_CLPCR (ccm_base + 0x54) #define MXC_CCM_CISR (ccm_base + 0x58) #define MXC_CCM_CIMR (ccm_base + 0x5c) #define MXC_CCM_CCOSR (ccm_base + 0x60) #define MXC_CCM_CGPR (ccm_base + 0x64) #define MXC_CCM_CCGR0 (ccm_base + 0x68) #define MXC_CCM_CCGR1 (ccm_base + 0x6c) #define MXC_CCM_CCGR2 (ccm_base + 0x70) #define MXC_CCM_CCGR3 (ccm_base + 0x74) #define MXC_CCM_CCGR4 (ccm_base + 0x78) #define MXC_CCM_CCGR5 (ccm_base + 0x7c) #define MXC_CCM_CCGR6 (ccm_base + 0x80) #define MXC_CCM_CCGR7 (ccm_base + 0x84) /* Low-power Audio Playback Mode clock */ static const char *lp_apm_sel[] = { "osc", }; /* This is used multiple times */ static const char *standard_pll_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "lp_apm", }; static const char *periph_apm_sel[] = { "pll1_sw", "pll3_sw", "lp_apm", }; static const char *main_bus_sel[] = { "pll2_sw", "periph_apm", }; static const char *per_lp_apm_sel[] = { "main_bus", "lp_apm", }; static const char *per_root_sel[] = { "per_podf", "ipg", }; static const char *esdhc_c_sel[] = { "esdhc_a_podf", "esdhc_b_podf", }; static const char *esdhc_d_sel[] = { "esdhc_a_podf", "esdhc_b_podf", }; static const char *ssi_apm_sels[] = { "ckih1", "lp_amp", "ckih2", }; static const char *ssi_clk_sels[] = { "pll1_sw", "pll2_sw", "pll3_sw", "ssi_apm", }; static const char *ssi3_clk_sels[] = { "ssi1_root_gate", "ssi2_root_gate", }; static const char *ssi_ext1_com_sels[] = { "ssi_ext1_podf", "ssi1_root_gate", }; static const char *ssi_ext2_com_sels[] = { "ssi_ext2_podf", "ssi2_root_gate", }; static const char *emi_slow_sel[] = { "main_bus", "ahb", }; static const char *usb_phy_sel_str[] = { "osc", "usb_phy_podf", }; static const char *mx51_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "tve_di", }; static const char *mx53_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "di_pll4_podf", "dumm static const char *mx53_ldb_di0_sel[] = { "pll3_sw", "pll4_sw", }; static const char *mx51_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", } static const char *mx53_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", " static const char *mx53_ldb_di1_sel[] = { "pll3_sw", "pll4_sw", }; static const char *mx51_tve_ext_sel[] = { "osc", "ckih1", }; static const char *mx53_tve_ext_sel[] = { "pll4_sw", "ckih1", }; static const char *mx51_tve_sel[] = { "tve_pred", "tve_ext_sel", }; static const char *ipu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", }; static const char *gpu3d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" }; static const char *gpu2d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" }; static const char *vpu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", }; static const char *mx53_can_sel[] = { "ipg", "ckih1", "ckih2", "lp_apm", }; static const char *mx53_cko1_sel[] = { "cpu_podf", "pll1_sw", "pll2_sw", "pll3_sw", "emi_slow_podf", "pll4_sw", "nfc_podf", "dummy", "di_pred", "dummy", "dummy", "ahb", "ipg", "per_root", "ckil", "dummy",}; static const char *mx53_cko2_sel[] = { "dummy"/* dptc_core */, "dummy"/* dptc_perich */, "dummy", "esdhc_a_podf", "usboh3_podf", "dummy"/* wrck_clk_root */, "ecspi_podf", "dummy"/* pll1_ref_clk */, "esdhc_b_podf", "dummy"/* ddr_clk_root */, "dummy"/* arm_axi_clk_root */, "dummy"/* usb_phy_out */, "vpu_sel", "ipu_sel", "osc", "ckih1", "dummy", "esdhc_c_sel", "ssi1_root_podf", "ssi2_root_podf", "dummy", "dummy", "dummy"/* lpsr_clk_root */, "dummy"/* pgc_clk_root */, "dummy"/* tve_out */, "usb_phy_sel", "tve_sel", "lp_apm", "uart_root", "dummy"/* spdif0_clk_root */, "dummy", "dummy", }; static const char *mx51_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", }; static const char *mx53_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", "pll4_sw", }; static const char *spdif_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "spdif_xtal_sel", }; static const char *spdif0_com_sel[] = { "spdif0_podf", "ssi1_root_gate", }; static const char *mx51_spdif1_com_sel[] = { "spdif1_podf", "ssi2_root_gate", }; static const char *step_sels[] = { "lp_apm", }; static const char *cpu_podf_sels[] = { "pll1_sw", "step_sel" }; static const char *ieee1588_sels[] = { "pll3_sw", "pll4_sw", "dummy" /* usbphy2_clk */, "dum static struct clk *clk[IMX5_CLK_END]; static struct clk_onecell_data clk_data; static void __init mx5_clocks_common_init(void __iomem *ccm_base) { clk[IMX5_CLK_DUMMY] = imx_clk_fixed("dummy", 0); clk[IMX5_CLK_CKIL] = imx_obtain_fixed_clock("ckil", 0); clk[IMX5_CLK_OSC] = imx_obtain_fixed_clock("osc", 0); clk[IMX5_CLK_CKIH1] = imx_obtain_fixed_clock("ckih1", 0); clk[IMX5_CLK_CKIH2] = imx_obtain_fixed_clock("ckih2", 0); clk[IMX5_CLK_PER_LP_APM] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCMR, 1, 1, per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel)); clk[IMX5_CLK_PER_PRED1] = imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6 clk[IMX5_CLK_PER_PRED2] = imx_clk_divider("per_pred2", "per_pred1", MXC_CCM_CBCDR, 3, clk[IMX5_CLK_PER_PODF] = imx_clk_divider("per_podf", "per_pred2", MXC_CCM_CBCDR, 0, 3) clk[IMX5_CLK_PER_ROOT] = imx_clk_mux("per_root", MXC_CCM_CBCMR, 0, 1, per_root_sel, ARRAY_SIZE(per_root_sel)); clk[IMX5_CLK_AHB] = imx_clk_divider("ahb", "main_bus", MXC_CCM_CBCDR, 10, 3); clk[IMX5_CLK_AHB_MAX] = imx_clk_gate2_flags("ahb_max", "ahb", MXC_CCM_CCGR0, 28, CLK_I clk[IMX5_CLK_AIPS_TZ1] = imx_clk_gate2_flags("aips_tz1", "ahb", MXC_CCM_CCGR0, 24, CLK clk[IMX5_CLK_AIPS_TZ2] = imx_clk_gate2_flags("aips_tz2", "ahb", MXC_CCM_CCGR0, 26, CLK clk[IMX5_CLK_TMAX1] = imx_clk_gate2_flags("tmax1", "ahb", MXC_CCM_CCGR1, 0, CLK_IS_CRI clk[IMX5_CLK_TMAX2] = imx_clk_gate2_flags("tmax2", "ahb", MXC_CCM_CCGR1, 2, CLK_IS_CRI clk[IMX5_CLK_TMAX3] = imx_clk_gate2_flags("tmax3", "ahb", MXC_CCM_CCGR1, 4, CLK_IS_CRI clk[IMX5_CLK_SPBA] = imx_clk_gate2_flags("spba", "ipg", MXC_CCM_CCGR5, 0, CLK_IS_CRITI clk[IMX5_CLK_IPG] = imx_clk_divider("ipg", "ahb", MXC_CCM_CBCDR, 8, 2); clk[IMX5_CLK_AXI_A] = imx_clk_divider("axi_a", "main_bus", MXC_CCM_CBCDR, 16, 3); clk[IMX5_CLK_AXI_B] = imx_clk_divider("axi_b", "main_bus", MXC_CCM_CBCDR, 19, 3); clk[IMX5_CLK_UART_SEL] = imx_clk_mux("uart_sel", MXC_CCM_CSCMR1, 24, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_UART_PRED] = imx_clk_divider("uart_pred", "uart_sel", MXC_CCM_CSCDR1, 3, clk[IMX5_CLK_UART_ROOT] = imx_clk_divider("uart_root", "uart_pred", MXC_CCM_CSCDR1, 0 clk[IMX5_CLK_ESDHC_A_PRED] = imx_clk_divider("esdhc_a_pred", "esdhc_a_sel", MXC_CCM_ clk[IMX5_CLK_ESDHC_A_PODF] = imx_clk_divider("esdhc_a_podf", "esdhc_a_pred", MXC_CCM clk[IMX5_CLK_ESDHC_B_PRED] = imx_clk_divider("esdhc_b_pred", "esdhc_b_sel", MXC_CCM_ clk[IMX5_CLK_ESDHC_B_PODF] = imx_clk_divider("esdhc_b_podf", "esdhc_b_pred", MXC_CCM clk[IMX5_CLK_EMI_SEL] = imx_clk_mux("emi_sel", MXC_CCM_CBCDR, 26, 1, emi_slow_sel, ARRAY_SIZE(emi_slow_sel)); clk[IMX5_CLK_EMI_SLOW_PODF] = imx_clk_divider("emi_slow_podf", "emi_sel", MXC_CCM_CB clk[IMX5_CLK_NFC_PODF] = imx_clk_divider("nfc_podf", "emi_slow_podf", MXC_CCM_CBCDR, clk[IMX5_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", MXC_CCM_CSCMR1, 4, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_ECSPI_PRED] = imx_clk_divider("ecspi_pred", "ecspi_sel", MXC_CCM_CSCDR2 clk[IMX5_CLK_ECSPI_PODF] = imx_clk_divider("ecspi_podf", "ecspi_pred", MXC_CCM_CSCDR clk[IMX5_CLK_USBOH3_SEL] = imx_clk_mux("usboh3_sel", MXC_CCM_CSCMR1, 22, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_USBOH3_PRED] = imx_clk_divider("usboh3_pred", "usboh3_sel", MXC_CCM_CSC clk[IMX5_CLK_USBOH3_PODF] = imx_clk_divider("usboh3_podf", "usboh3_pred", MXC_CCM_CS clk[IMX5_CLK_USB_PHY_PRED] = imx_clk_divider("usb_phy_pred", "pll3_sw", MXC_CCM_CDCD clk[IMX5_CLK_USB_PHY_PODF] = imx_clk_divider("usb_phy_podf", "usb_phy_pred", MXC_CCM clk[IMX5_CLK_USB_PHY_SEL] = imx_clk_mux("usb_phy_sel", MXC_CCM_CSCMR1, 26, 1, usb_phy_sel_str, ARRAY_SIZE(usb_phy_sel_str)); clk[IMX5_CLK_STEP_SEL] = imx_clk_mux("step_sel", MXC_CCM_CCSR, 7, 2, step_sels, ARRAY_S clk[IMX5_CLK_CPU_PODF_SEL] = imx_clk_mux("cpu_podf_sel", MXC_CCM_CCSR, 2, 1, cpu_podf_ clk[IMX5_CLK_CPU_PODF] = imx_clk_divider("cpu_podf", "cpu_podf_sel", MXC_CCM_CACRR, 0 clk[IMX5_CLK_DI_PRED] = imx_clk_divider("di_pred", "pll3_sw", MXC_CCM_CDCDR, 6, 3); clk[IMX5_CLK_IIM_GATE] = imx_clk_gate2("iim_gate", "ipg", MXC_CCM_CCGR0, 30); clk[IMX5_CLK_UART1_IPG_GATE] = imx_clk_gate2("uart1_ipg_gate", "ipg", MXC_CCM_CCGR1, clk[IMX5_CLK_UART1_PER_GATE] = imx_clk_gate2("uart1_per_gate", "uart_root", MXC_CCM_ clk[IMX5_CLK_UART2_IPG_GATE] = imx_clk_gate2("uart2_ipg_gate", "ipg", MXC_CCM_CCGR1, clk[IMX5_CLK_UART2_PER_GATE] = imx_clk_gate2("uart2_per_gate", "uart_root", MXC_CCM_ clk[IMX5_CLK_UART3_IPG_GATE] = imx_clk_gate2("uart3_ipg_gate", "ipg", MXC_CCM_CCGR1, clk[IMX5_CLK_UART3_PER_GATE] = imx_clk_gate2("uart3_per_gate", "uart_root", MXC_CCM_ clk[IMX5_CLK_I2C1_GATE] = imx_clk_gate2("i2c1_gate", "per_root", MXC_CCM_CCGR1, 18); clk[IMX5_CLK_I2C2_GATE] = imx_clk_gate2("i2c2_gate", "per_root", MXC_CCM_CCGR1, 20); clk[IMX5_CLK_PWM1_IPG_GATE] = imx_clk_gate2("pwm1_ipg_gate", "ipg", MXC_CCM_CCGR2, 10 clk[IMX5_CLK_PWM1_HF_GATE] = imx_clk_gate2("pwm1_hf_gate", "per_root", MXC_CCM_CCGR2 clk[IMX5_CLK_PWM2_IPG_GATE] = imx_clk_gate2("pwm2_ipg_gate", "ipg", MXC_CCM_CCGR2, 14 clk[IMX5_CLK_PWM2_HF_GATE] = imx_clk_gate2("pwm2_hf_gate", "per_root", MXC_CCM_CCGR2 clk[IMX5_CLK_GPT_IPG_GATE] = imx_clk_gate2("gpt_ipg_gate", "ipg", MXC_CCM_CCGR2, 18); clk[IMX5_CLK_GPT_HF_GATE] = imx_clk_gate2("gpt_hf_gate", "per_root", MXC_CCM_CCGR2, 2 clk[IMX5_CLK_FEC_GATE] = imx_clk_gate2("fec_gate", "ipg", MXC_CCM_CCGR2, 24); clk[IMX5_CLK_USBOH3_GATE] = imx_clk_gate2("usboh3_gate", "ipg", MXC_CCM_CCGR2, 26); clk[IMX5_CLK_USBOH3_PER_GATE] = imx_clk_gate2("usboh3_per_gate", "usboh3_podf", MXC_ clk[IMX5_CLK_ESDHC1_IPG_GATE] = imx_clk_gate2("esdhc1_ipg_gate", "ipg", MXC_CCM_CCGR clk[IMX5_CLK_ESDHC2_IPG_GATE] = imx_clk_gate2("esdhc2_ipg_gate", "ipg", MXC_CCM_CCGR clk[IMX5_CLK_ESDHC3_IPG_GATE] = imx_clk_gate2("esdhc3_ipg_gate", "ipg", MXC_CCM_CCGR clk[IMX5_CLK_ESDHC4_IPG_GATE] = imx_clk_gate2("esdhc4_ipg_gate", "ipg", MXC_CCM_CCGR clk[IMX5_CLK_SSI1_IPG_GATE] = imx_clk_gate2("ssi1_ipg_gate", "ipg", MXC_CCM_CCGR3, 16 clk[IMX5_CLK_SSI2_IPG_GATE] = imx_clk_gate2("ssi2_ipg_gate", "ipg", MXC_CCM_CCGR3, 20 clk[IMX5_CLK_SSI3_IPG_GATE] = imx_clk_gate2("ssi3_ipg_gate", "ipg", MXC_CCM_CCGR3, 24 clk[IMX5_CLK_ECSPI1_IPG_GATE] = imx_clk_gate2("ecspi1_ipg_gate", "ipg", MXC_CCM_CCGR clk[IMX5_CLK_ECSPI1_PER_GATE] = imx_clk_gate2("ecspi1_per_gate", "ecspi_podf", MXC_C clk[IMX5_CLK_ECSPI2_IPG_GATE] = imx_clk_gate2("ecspi2_ipg_gate", "ipg", MXC_CCM_CCGR clk[IMX5_CLK_ECSPI2_PER_GATE] = imx_clk_gate2("ecspi2_per_gate", "ecspi_podf", MXC_C clk[IMX5_CLK_CSPI_IPG_GATE] = imx_clk_gate2("cspi_ipg_gate", "ipg", MXC_CCM_CCGR4, 26 clk[IMX5_CLK_SDMA_GATE] = imx_clk_gate2("sdma_gate", "ipg", MXC_CCM_CCGR4, 30); clk[IMX5_CLK_EMI_FAST_GATE] = imx_clk_gate2_flags("emi_fast_gate", "dummy", MXC_CCM_ clk[IMX5_CLK_EMI_SLOW_GATE] = imx_clk_gate2_flags("emi_slow_gate", "emi_slow_podf", clk[IMX5_CLK_IPU_SEL] = imx_clk_mux("ipu_sel", MXC_CCM_CBCMR, 6, 2, ipu_sel, ARRAY_SIZE clk[IMX5_CLK_IPU_GATE] = imx_clk_gate2("ipu_gate", "ipu_sel", MXC_CCM_CCGR5, 10); clk[IMX5_CLK_NFC_GATE] = imx_clk_gate2("nfc_gate", "nfc_podf", MXC_CCM_CCGR5, 20); clk[IMX5_CLK_IPU_DI0_GATE] = imx_clk_gate2("ipu_di0_gate", "ipu_di0_sel", MXC_CCM_CC clk[IMX5_CLK_IPU_DI1_GATE] = imx_clk_gate2("ipu_di1_gate", "ipu_di1_sel", MXC_CCM_CC clk[IMX5_CLK_GPU3D_SEL] = imx_clk_mux("gpu3d_sel", MXC_CCM_CBCMR, 4, 2, gpu3d_sel, ARRA clk[IMX5_CLK_GPU2D_SEL] = imx_clk_mux("gpu2d_sel", MXC_CCM_CBCMR, 16, 2, gpu2d_sel, ARR clk[IMX5_CLK_GPU3D_GATE] = imx_clk_gate2("gpu3d_gate", "gpu3d_sel", MXC_CCM_CCGR5, 2) clk[IMX5_CLK_GARB_GATE] = imx_clk_gate2("garb_gate", "axi_a", MXC_CCM_CCGR5, 4); clk[IMX5_CLK_GPU2D_GATE] = imx_clk_gate2("gpu2d_gate", "gpu2d_sel", MXC_CCM_CCGR6, 14 clk[IMX5_CLK_VPU_SEL] = imx_clk_mux("vpu_sel", MXC_CCM_CBCMR, 14, 2, vpu_sel, ARRAY_SIZ clk[IMX5_CLK_VPU_GATE] = imx_clk_gate2("vpu_gate", "vpu_sel", MXC_CCM_CCGR5, 6); clk[IMX5_CLK_VPU_REFERENCE_GATE] = imx_clk_gate2("vpu_reference_gate", "osc", MXC_CC clk[IMX5_CLK_GPC_DVFS] = imx_clk_gate2_flags("gpc_dvfs", "dummy", MXC_CCM_CCGR5, 24, C clk[IMX5_CLK_SSI_APM] = imx_clk_mux("ssi_apm", MXC_CCM_CSCMR1, 8, 2, ssi_apm_sels, ARRA clk[IMX5_CLK_SSI1_ROOT_SEL] = imx_clk_mux("ssi1_root_sel", MXC_CCM_CSCMR1, 14, 2, ssi_ clk[IMX5_CLK_SSI2_ROOT_SEL] = imx_clk_mux("ssi2_root_sel", MXC_CCM_CSCMR1, 12, 2, ssi_ clk[IMX5_CLK_SSI3_ROOT_SEL] = imx_clk_mux("ssi3_root_sel", MXC_CCM_CSCMR1, 11, 1, ssi3 clk[IMX5_CLK_SSI_EXT1_SEL] = imx_clk_mux("ssi_ext1_sel", MXC_CCM_CSCMR1, 28, 2, ssi_cl clk[IMX5_CLK_SSI_EXT2_SEL] = imx_clk_mux("ssi_ext2_sel", MXC_CCM_CSCMR1, 30, 2, ssi_cl clk[IMX5_CLK_SSI_EXT1_COM_SEL] = imx_clk_mux("ssi_ext1_com_sel", MXC_CCM_CSCMR1, 0, 1 clk[IMX5_CLK_SSI_EXT2_COM_SEL] = imx_clk_mux("ssi_ext2_com_sel", MXC_CCM_CSCMR1, 1, 1 clk[IMX5_CLK_SSI1_ROOT_PRED] = imx_clk_divider("ssi1_root_pred", "ssi1_root_sel", MX clk[IMX5_CLK_SSI1_ROOT_PODF] = imx_clk_divider("ssi1_root_podf", "ssi1_root_pred", M clk[IMX5_CLK_SSI2_ROOT_PRED] = imx_clk_divider("ssi2_root_pred", "ssi2_root_sel", MX clk[IMX5_CLK_SSI2_ROOT_PODF] = imx_clk_divider("ssi2_root_podf", "ssi2_root_pred", M clk[IMX5_CLK_SSI_EXT1_PRED] = imx_clk_divider("ssi_ext1_pred", "ssi_ext1_sel", MXC_C clk[IMX5_CLK_SSI_EXT1_PODF] = imx_clk_divider("ssi_ext1_podf", "ssi_ext1_pred", MXC_ clk[IMX5_CLK_SSI_EXT2_PRED] = imx_clk_divider("ssi_ext2_pred", "ssi_ext2_sel", MXC_C clk[IMX5_CLK_SSI_EXT2_PODF] = imx_clk_divider("ssi_ext2_podf", "ssi_ext2_pred", MXC_ clk[IMX5_CLK_SSI1_ROOT_GATE] = imx_clk_gate2("ssi1_root_gate", "ssi1_root_podf", MXC clk[IMX5_CLK_SSI2_ROOT_GATE] = imx_clk_gate2("ssi2_root_gate", "ssi2_root_podf", MXC clk[IMX5_CLK_SSI3_ROOT_GATE] = imx_clk_gate2("ssi3_root_gate", "ssi3_root_sel", MXC_ clk[IMX5_CLK_SSI_EXT1_GATE] = imx_clk_gate2("ssi_ext1_gate", "ssi_ext1_com_sel", MXC clk[IMX5_CLK_SSI_EXT2_GATE] = imx_clk_gate2("ssi_ext2_gate", "ssi_ext2_com_sel", MXC clk[IMX5_CLK_EPIT1_IPG_GATE] = imx_clk_gate2("epit1_ipg_gate", "ipg", MXC_CCM_CCGR2, clk[IMX5_CLK_EPIT1_HF_GATE] = imx_clk_gate2("epit1_hf_gate", "per_root", MXC_CCM_CCG clk[IMX5_CLK_EPIT2_IPG_GATE] = imx_clk_gate2("epit2_ipg_gate", "ipg", MXC_CCM_CCGR2, clk[IMX5_CLK_EPIT2_HF_GATE] = imx_clk_gate2("epit2_hf_gate", "per_root", MXC_CCM_CCG clk[IMX5_CLK_OWIRE_GATE] = imx_clk_gate2("owire_gate", "per_root", MXC_CCM_CCGR2, 22) clk[IMX5_CLK_SRTC_GATE] = imx_clk_gate2("srtc_gate", "per_root", MXC_CCM_CCGR4, 28); clk[IMX5_CLK_PATA_GATE] = imx_clk_gate2("pata_gate", "ipg", MXC_CCM_CCGR4, 0); clk[IMX5_CLK_SPDIF0_SEL] = imx_clk_mux("spdif0_sel", MXC_CCM_CSCMR2, 0, 2, spdif_sel, A clk[IMX5_CLK_SPDIF0_PRED] = imx_clk_divider("spdif0_pred", "spdif0_sel", MXC_CCM_CDC clk[IMX5_CLK_SPDIF0_PODF] = imx_clk_divider("spdif0_podf", "spdif0_pred", MXC_CCM_CD clk[IMX5_CLK_SPDIF0_COM_SEL] = imx_clk_mux_flags("spdif0_com_sel", MXC_CCM_CSCMR2, 4 spdif0_com_sel, ARRAY_SIZE(spdif0_com_sel), CLK_SET_RATE_PARENT); clk[IMX5_CLK_SPDIF0_GATE] = imx_clk_gate2("spdif0_gate", "spdif0_com_sel", MXC_CCM_C clk[IMX5_CLK_SPDIF_IPG_GATE] = imx_clk_gate2("spdif_ipg_gate", "ipg", MXC_CCM_CCGR5, clk[IMX5_CLK_SAHARA_IPG_GATE] = imx_clk_gate2("sahara_ipg_gate", "ipg", MXC_CCM_CCGR clk[IMX5_CLK_SATA_REF] = imx_clk_fixed_factor("sata_ref", "usb_phy1_gate", 1, 1); clk_register_clkdev(clk[IMX5_CLK_CPU_PODF], NULL, "cpu0"); clk_register_clkdev(clk[IMX5_CLK_GPC_DVFS], "gpc_dvfs", NULL); /* move usb phy clk to 24MHz */ clk_set_parent(clk[IMX5_CLK_USB_PHY_SEL], clk[IMX5_CLK_OSC]); } static void __init mx50_clocks_init(struct device_node *np) { void __iomem *ccm_base; void __iomem *pll_base; unsigned long r; pll_base = ioremap(MX53_DPLL1_BASE, SZ_16K); WARN_ON(!pll_base); clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", pll_base); pll_base = ioremap(MX53_DPLL2_BASE, SZ_16K); WARN_ON(!pll_base); clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", pll_base); pll_base = ioremap(MX53_DPLL3_BASE, SZ_16K); WARN_ON(!pll_base); clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", pll_base); ccm_base = of_iomap(np, 0); WARN_ON(!ccm_base); mx5_clocks_common_init(ccm_base); /* * This clock is called periph_clk in the i.MX50 Reference Manual, but * it comes closest in scope to the main_bus_clk of i.MX51 and i.MX53 */ clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1, lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); clk[IMX5_CLK_ESDHC_A_SEL] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 21, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_ESDHC_B_SEL] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_ESDHC_C_SEL] = imx_clk_mux("esdhc_c_sel", MXC_CCM_CSCMR1, 20, 1, esdhc_c_ clk[IMX5_CLK_ESDHC_D_SEL] = imx_clk_mux("esdhc_d_sel", MXC_CCM_CSCMR1, 19, 1, esdhc_d_ clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_ clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_ clk[IMX5_CLK_USB_PHY1_GATE] = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_ clk[IMX5_CLK_USB_PHY2_GATE] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_ clk[IMX5_CLK_I2C3_GATE] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22); clk[IMX5_CLK_UART4_IPG_GATE] = imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, clk[IMX5_CLK_UART4_PER_GATE] = imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_ clk[IMX5_CLK_UART5_IPG_GATE] = imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, clk[IMX5_CLK_UART5_PER_GATE] = imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_ clk[IMX5_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4, mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel)); clk[IMX5_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3 clk[IMX5_CLK_CKO1] = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7); clk[IMX5_CLK_CKO2_SEL] = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5, mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel)); clk[IMX5_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, clk[IMX5_CLK_CKO2] = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24); imx_check_clocks(clk, ARRAY_SIZE(clk)); clk_data.clks = clk; clk_data.clk_num = ARRAY_SIZE(clk); of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); /* Set SDHC parents to be PLL2 */ clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]); clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]); /* set SDHC root clock to 200MHZ*/ clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000); clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000); clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]); imx_print_silicon_rev("i.MX50", IMX_CHIP_REVISION_1_1); clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]); r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000); clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r); imx_register_uart_clocks(); } CLK_OF_DECLARE(imx50_ccm, "fsl,imx50-ccm", mx50_clocks_init); static void __init mx51_clocks_init(struct device_node *np) { void __iomem *ccm_base; void __iomem *pll_base; u32 val; pll_base = ioremap(MX51_DPLL1_BASE, SZ_16K); WARN_ON(!pll_base); clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", pll_base); pll_base = ioremap(MX51_DPLL2_BASE, SZ_16K); WARN_ON(!pll_base); clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", pll_base); pll_base = ioremap(MX51_DPLL3_BASE, SZ_16K); WARN_ON(!pll_base); clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", pll_base); ccm_base = of_iomap(np, 0); WARN_ON(!ccm_base); mx5_clocks_common_init(ccm_base); clk[IMX5_CLK_PERIPH_APM] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2, periph_apm_sel, ARRAY_SIZE(periph_apm_sel)); clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1, main_bus_sel, ARRAY_SIZE(main_bus_sel)); clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 9, 1, lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux_flags("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3, mx51_ipu_di0_sel, ARRAY_SIZE(mx51_ipu_di0_sel), CLK_SET_RATE_PARENT); clk[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux_flags("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3, mx51_ipu_di1_sel, ARRAY_SIZE(mx51_ipu_di1_sel), CLK_SET_RATE_PARENT); clk[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1, mx51_tve_ext_sel, ARRAY_SIZE(mx51_tve_ext_sel), CLK_SET_RATE_PARENT); clk[IMX5_CLK_TVE_SEL] = imx_clk_mux("tve_sel", MXC_CCM_CSCMR1, 7, 1, mx51_tve_sel, ARRAY_SIZE(mx51_tve_sel)); clk[IMX5_CLK_TVE_GATE] = imx_clk_gate2("tve_gate", "tve_sel", MXC_CCM_CCGR2, 30); clk[IMX5_CLK_TVE_PRED] = imx_clk_divider("tve_pred", "pll3_sw", MXC_CCM_CDCDR, 28, 3); clk[IMX5_CLK_ESDHC_A_SEL] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_ESDHC_B_SEL] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_ESDHC_C_SEL] = imx_clk_mux("esdhc_c_sel", MXC_CCM_CSCMR1, 19, 1, esdhc_c_ clk[IMX5_CLK_ESDHC_D_SEL] = imx_clk_mux("esdhc_d_sel", MXC_CCM_CSCMR1, 18, 1, esdhc_d_ clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_b_podf", MXC clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_c_sel", MXC_ clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_ clk[IMX5_CLK_USB_PHY_GATE] = imx_clk_gate2("usb_phy_gate", "usb_phy_sel", MXC_CCM_CC clk[IMX5_CLK_HSI2C_GATE] = imx_clk_gate2("hsi2c_gate", "ipg", MXC_CCM_CCGR1, 22); clk[IMX5_CLK_SCC2_IPG_GATE] = imx_clk_gate2("scc2_gate", "ipg", MXC_CCM_CCGR1, 30); clk[IMX5_CLK_MIPI_HSC1_GATE] = imx_clk_gate2_flags("mipi_hsc1_gate", "ipg", MXC_CCM_ clk[IMX5_CLK_MIPI_HSC2_GATE] = imx_clk_gate2_flags("mipi_hsc2_gate", "ipg", MXC_CCM_ clk[IMX5_CLK_MIPI_ESC_GATE] = imx_clk_gate2_flags("mipi_esc_gate", "ipg", MXC_CCM_CC clk[IMX5_CLK_MIPI_HSP_GATE] = imx_clk_gate2_flags("mipi_hsp_gate", "ipg", MXC_CCM_CC clk[IMX5_CLK_SPDIF_XTAL_SEL] = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2, mx51_spdif_xtal_sel, ARRAY_SIZE(mx51_spdif_xtal_sel)); clk[IMX5_CLK_SPDIF1_SEL] = imx_clk_mux("spdif1_sel", MXC_CCM_CSCMR2, 2, 2, spdif_sel, ARRAY_SIZE(spdif_sel)); clk[IMX5_CLK_SPDIF1_PRED] = imx_clk_divider("spdif1_pred", "spdif1_sel", MXC_CCM_CDC clk[IMX5_CLK_SPDIF1_PODF] = imx_clk_divider("spdif1_podf", "spdif1_pred", MXC_CCM_CD clk[IMX5_CLK_SPDIF1_COM_SEL] = imx_clk_mux("spdif1_com_sel", MXC_CCM_CSCMR2, 5, 1, mx51_spdif1_com_sel, ARRAY_SIZE(mx51_spdif1_com_sel)); clk[IMX5_CLK_SPDIF1_GATE] = imx_clk_gate2("spdif1_gate", "spdif1_com_sel", MXC_CCM_C imx_check_clocks(clk, ARRAY_SIZE(clk)); clk_data.clks = clk; clk_data.clk_num = ARRAY_SIZE(clk); of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); /* set the usboh3 parent to pll2_sw */ clk_set_parent(clk[IMX5_CLK_USBOH3_SEL], clk[IMX5_CLK_PLL2_SW]); /* Set SDHC parents to be PLL2 */ clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]); clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]); /* set SDHC root clock to 166.25MHZ*/ clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 166250000); clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 166250000); clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]); imx_print_silicon_rev("i.MX51", mx51_revision()); clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]); /* * Reference Manual says: Functionality of CCDR[18] and CLPCR[23] is no * longer supported. Set to one for better power saving. * * The effect of not setting these bits is that MIPI clocks can't be * enabled without the IPU clock being enabled as well. */ val = readl(MXC_CCM_CCDR); val |= 1 << 18; writel(val, MXC_CCM_CCDR); val = readl(MXC_CCM_CLPCR); val |= 1 << 23; writel(val, MXC_CCM_CLPCR); imx_register_uart_clocks(); } CLK_OF_DECLARE(imx51_ccm, "fsl,imx51-ccm", mx51_clocks_init); static void __init mx53_clocks_init(struct device_node *np) { void __iomem *ccm_base; void __iomem *pll_base; unsigned long r; pll_base = ioremap(MX53_DPLL1_BASE, SZ_16K); WARN_ON(!pll_base); clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", pll_base); pll_base = ioremap(MX53_DPLL2_BASE, SZ_16K); WARN_ON(!pll_base); clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", pll_base); pll_base = ioremap(MX53_DPLL3_BASE, SZ_16K); WARN_ON(!pll_base); clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", pll_base); pll_base = ioremap(MX53_DPLL4_BASE, SZ_16K); WARN_ON(!pll_base); clk[IMX5_CLK_PLL4_SW] = imx_clk_pllv2("pll4_sw", "osc", pll_base); ccm_base = of_iomap(np, 0); WARN_ON(!ccm_base); mx5_clocks_common_init(ccm_base); clk[IMX5_CLK_PERIPH_APM] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2, periph_apm_sel, ARRAY_SIZE(periph_apm_sel)); clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1, main_bus_sel, ARRAY_SIZE(main_bus_sel)); clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1, lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); clk[IMX5_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_se clk[IMX5_CLK_LDB_DI1_DIV] = imx_clk_divider_flags("ldb_di1_div", "ldb_di1_div_3_5", clk[IMX5_CLK_LDB_DI1_SEL] = imx_clk_mux_flags("ldb_di1_sel", MXC_CCM_CSCMR2, 9, 1, mx53_ldb_di1_sel, ARRAY_SIZE(mx53_ldb_di1_sel), CLK_SET_RATE_PARENT); clk[IMX5_CLK_DI_PLL4_PODF] = imx_clk_divider("di_pll4_podf", "pll4_sw", MXC_CCM_CDCD clk[IMX5_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_se clk[IMX5_CLK_LDB_DI0_DIV] = imx_clk_divider_flags("ldb_di0_div", "ldb_di0_div_3_5", clk[IMX5_CLK_LDB_DI0_SEL] = imx_clk_mux_flags("ldb_di0_sel", MXC_CCM_CSCMR2, 8, 1, mx53_ldb_di0_sel, ARRAY_SIZE(mx53_ldb_di0_sel), CLK_SET_RATE_PARENT); clk[IMX5_CLK_LDB_DI0_GATE] = imx_clk_gate2("ldb_di0_gate", "ldb_di0_div", MXC_CCM_CC clk[IMX5_CLK_LDB_DI1_GATE] = imx_clk_gate2("ldb_di1_gate", "ldb_di1_div", MXC_CCM_CC clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux_flags("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3, mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel), CLK_SET_RATE_PARENT); clk[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux_flags("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3, mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel), CLK_SET_RATE_PARENT); clk[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1, mx53_tve_ext_sel, ARRAY_SIZE(mx53_tve_ext_sel), CLK_SET_RATE_PARENT); clk[IMX5_CLK_TVE_GATE] = imx_clk_gate2("tve_gate", "tve_pred", MXC_CCM_CCGR2, 30); clk[IMX5_CLK_TVE_PRED] = imx_clk_divider("tve_pred", "tve_ext_sel", MXC_CCM_CDCDR, 28 clk[IMX5_CLK_ESDHC_A_SEL] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_ESDHC_B_SEL] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_ESDHC_C_SEL] = imx_clk_mux("esdhc_c_sel", MXC_CCM_CSCMR1, 19, 1, esdhc_c_ clk[IMX5_CLK_ESDHC_D_SEL] = imx_clk_mux("esdhc_d_sel", MXC_CCM_CSCMR1, 18, 1, esdhc_d_ clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_ clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_ clk[IMX5_CLK_USB_PHY1_GATE] = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_ clk[IMX5_CLK_USB_PHY2_GATE] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_ clk[IMX5_CLK_CAN_SEL] = imx_clk_mux("can_sel", MXC_CCM_CSCMR2, 6, 2, mx53_can_sel, ARRAY_SIZE(mx53_can_sel)); clk[IMX5_CLK_CAN1_SERIAL_GATE] = imx_clk_gate2("can1_serial_gate", "can_sel", MXC_CC clk[IMX5_CLK_CAN1_IPG_GATE] = imx_clk_gate2("can1_ipg_gate", "ipg", MXC_CCM_CCGR6, 20 clk[IMX5_CLK_OCRAM] = imx_clk_gate2("ocram", "ahb", MXC_CCM_CCGR6, 2); clk[IMX5_CLK_CAN2_SERIAL_GATE] = imx_clk_gate2("can2_serial_gate", "can_sel", MXC_CC clk[IMX5_CLK_CAN2_IPG_GATE] = imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 6) clk[IMX5_CLK_I2C3_GATE] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22); clk[IMX5_CLK_SATA_GATE] = imx_clk_gate2("sata_gate", "ipg", MXC_CCM_CCGR4, 2); clk[IMX5_CLK_FIRI_SEL] = imx_clk_mux("firi_sel", MXC_CCM_CSCMR2, 12, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_FIRI_PRED] = imx_clk_divider("firi_pred", "firi_sel", MXC_CCM_CSCDR3, 6, clk[IMX5_CLK_FIRI_PODF] = imx_clk_divider("firi_podf", "firi_pred", MXC_CCM_CSCDR3, 0 clk[IMX5_CLK_FIRI_SERIAL_GATE] = imx_clk_gate2("firi_serial_gate", "firi_podf", MXC_ clk[IMX5_CLK_FIRI_IPG_GATE] = imx_clk_gate2("firi_ipg_gate", "ipg", MXC_CCM_CCGR1, 26 clk[IMX5_CLK_CSI0_MCLK1_SEL] = imx_clk_mux("csi0_mclk1_sel", MXC_CCM_CSCMR2, 22, 2, standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); clk[IMX5_CLK_CSI0_MCLK1_PRED] = imx_clk_divider("csi0_mclk1_pred", "csi0_mclk1_sel" clk[IMX5_CLK_CSI0_MCLK1_PODF] = imx_clk_divider("csi0_mclk1_podf", "csi0_mclk1_pred clk[IMX5_CLK_CSI0_MCLK1_GATE] = imx_clk_gate2("csi0_mclk1_serial_gate", "csi0_mclk1 clk[IMX5_CLK_IEEE1588_SEL] = imx_clk_mux("ieee1588_sel", MXC_CCM_CSCMR2, 14, 2, ieee1588_sels, ARRAY_SIZE(ieee1588_sels)); clk[IMX5_CLK_IEEE1588_PRED] = imx_clk_divider("ieee1588_pred", "ieee1588_sel", MXC_C clk[IMX5_CLK_IEEE1588_PODF] = imx_clk_divider("ieee1588_podf", "ieee1588_pred", MXC_ clk[IMX5_CLK_IEEE1588_GATE] = imx_clk_gate2("ieee1588_serial_gate", "ieee1588_podf" clk[IMX5_CLK_UART4_IPG_GATE] = imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, clk[IMX5_CLK_UART4_PER_GATE] = imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_ clk[IMX5_CLK_UART5_IPG_GATE] = imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, clk[IMX5_CLK_UART5_PER_GATE] = imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_ clk[IMX5_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4, mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel)); clk[IMX5_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3 clk[IMX5_CLK_CKO1] = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7); clk[IMX5_CLK_CKO2_SEL] = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5, mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel)); clk[IMX5_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, clk[IMX5_CLK_CKO2] = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24); clk[IMX5_CLK_SPDIF_XTAL_SEL] = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2, mx53_spdif_xtal_sel, ARRAY_SIZE(mx53_spdif_xtal_sel)); clk[IMX5_CLK_ARM] = imx_clk_cpu("arm", "cpu_podf", clk[IMX5_CLK_CPU_PODF], clk[IMX5_CLK_CPU_PODF_SEL], clk[IMX5_CLK_PLL1_SW], clk[IMX5_CLK_STEP_SEL]); imx_check_clocks(clk, ARRAY_SIZE(clk)); clk_data.clks = clk; clk_data.clk_num = ARRAY_SIZE(clk); of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); /* Set SDHC parents to be PLL2 */ clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]); clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]); /* set SDHC root clock to 200MHZ*/ clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000); clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000); /* move can bus clk to 24MHz */ clk_set_parent(clk[IMX5_CLK_CAN_SEL], clk[IMX5_CLK_LP_APM]); /* make sure step clock is running from 24MHz */ clk_set_parent(clk[IMX5_CLK_STEP_SEL], clk[IMX5_CLK_LP_APM]); clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]); imx_print_silicon_rev("i.MX53", mx53_revision()); clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]); r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000); clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r); imx_register_uart_clocks(); } CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init);
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2026-04-04