arch/arm/mach-imx/clk-imx51-imx53.c

   1 /*
   2  * Copyright (C) 2011 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  */
   9 #include <linux/mm.h>
  10 #include <linux/delay.h>
  11 #include <linux/clk.h>
  12 #include <linux/io.h>
  13 #include <linux/clkdev.h>
  14 #include <linux/clk-provider.h>
  15 #include <linux/err.h>
  16 #include <linux/of.h>
  17 #include <linux/of_address.h>
  18 #include <linux/of_irq.h>
  19 #include <dt-bindings/clock/imx5-clock.h>
  20
  21 #include "crm-regs-imx5.h"
  22 #include "clk.h"
  23 #include "common.h"
  24 #include "hardware.h"
  25
  26 /* Low-power Audio Playback Mode clock */
  27 static const char *lp_apm_sel[] = { "osc", };
  28
  29 /* This is used multiple times */
  30 static const char *standard_pll_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "lp_apm", };
  31 static const char *periph_apm_sel[] = { "pll1_sw", "pll3_sw", "lp_apm", };
  32 static const char *main_bus_sel[] = { "pll2_sw", "periph_apm", };
  33 static const char *per_lp_apm_sel[] = { "main_bus", "lp_apm", };
  34 static const char *per_root_sel[] = { "per_podf", "ipg", };
  35 static const char *esdhc_c_sel[] = { "esdhc_a_podf", "esdhc_b_podf", };
  36 static const char *esdhc_d_sel[] = { "esdhc_a_podf", "esdhc_b_podf", };
  37 static const char *ssi_apm_sels[] = { "ckih1", "lp_amp", "ckih2", };
  38 static const char *ssi_clk_sels[] = { "pll1_sw", "pll2_sw", "pll3_sw", "ssi_apm", };
  39 static const char *ssi3_clk_sels[] = { "ssi1_root_gate", "ssi2_root_gate", };
  40 static const char *ssi_ext1_com_sels[] = { "ssi_ext1_podf", "ssi1_root_gate", };
  41 static const char *ssi_ext2_com_sels[] = { "ssi_ext2_podf", "ssi2_root_gate", };
  42 static const char *emi_slow_sel[] = { "main_bus", "ahb", };
  43 static const char *usb_phy_sel_str[] = { "osc", "usb_phy_podf", };
  44 static const char *mx51_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "tve_di", };
  45 static const char *mx53_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "di_pll4_podf", "dummy", "ldb_di0_gate", };
  46 static const char *mx53_ldb_di0_sel[] = { "pll3_sw", "pll4_sw", };
  47 static const char *mx51_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", };
  48 static const char *mx53_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", "ldb_di1_gate", };
  49 static const char *mx53_ldb_di1_sel[] = { "pll3_sw", "pll4_sw", };
  50 static const char *mx51_tve_ext_sel[] = { "osc", "ckih1", };
  51 static const char *mx53_tve_ext_sel[] = { "pll4_sw", "ckih1", };
  52 static const char *mx51_tve_sel[] = { "tve_pred", "tve_ext_sel", };
  53 static const char *ipu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", };
  54 static const char *gpu3d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" };
  55 static const char *gpu2d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" };
  56 static const char *vpu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", };
  57 static const char *mx53_can_sel[] = { "ipg", "ckih1", "ckih2", "lp_apm", };
  58 static const char *mx53_cko1_sel[] = {
  59         "cpu_podf", "pll1_sw", "pll2_sw", "pll3_sw",
  60         "emi_slow_podf", "pll4_sw", "nfc_podf", "dummy",
  61         "di_pred", "dummy", "dummy", "ahb",
  62         "ipg", "per_root", "ckil", "dummy",};
  63 static const char *mx53_cko2_sel[] = {
  64         "dummy"/* dptc_core */, "dummy"/* dptc_perich */,
  65         "dummy", "esdhc_a_podf",
  66         "usboh3_podf", "dummy"/* wrck_clk_root */,
  67         "ecspi_podf", "dummy"/* pll1_ref_clk */,
  68         "esdhc_b_podf", "dummy"/* ddr_clk_root */,
  69         "dummy"/* arm_axi_clk_root */, "dummy"/* usb_phy_out */,
  70         "vpu_sel", "ipu_sel",
  71         "osc", "ckih1",
  72         "dummy", "esdhc_c_sel",
  73         "ssi1_root_podf", "ssi2_root_podf",
  74         "dummy", "dummy",
  75         "dummy"/* lpsr_clk_root */, "dummy"/* pgc_clk_root */,
  76         "dummy"/* tve_out */, "usb_phy_sel",
  77         "tve_sel", "lp_apm",
  78         "uart_root", "dummy"/* spdif0_clk_root */,
  79         "dummy", "dummy", };
  80 static const char *mx51_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", };
  81 static const char *mx53_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", "pll4_sw", };
  82 static const char *spdif_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "spdif_xtal_sel", };
  83 static const char *spdif0_com_sel[] = { "spdif0_podf", "ssi1_root_gate", };
  84 static const char *mx51_spdif1_com_sel[] = { "spdif1_podf", "ssi2_root_gate", };
  85
  86 static struct clk *clk[IMX5_CLK_END];
  87 static struct clk_onecell_data clk_data;
  88
  89 static void __init mx5_clocks_common_init(unsigned long rate_ckil,
  90                 unsigned long rate_osc, unsigned long rate_ckih1,
  91                 unsigned long rate_ckih2)
  92 {
  93         int i;
  94
  95         clk[IMX5_CLK_DUMMY]             = imx_clk_fixed("dummy", 0);
  96         clk[IMX5_CLK_CKIL]              = imx_obtain_fixed_clock("ckil", rate_ckil);
  97         clk[IMX5_CLK_OSC]               = imx_obtain_fixed_clock("osc", rate_osc);
  98         clk[IMX5_CLK_CKIH1]             = imx_obtain_fixed_clock("ckih1", rate_ckih1);
  99         clk[IMX5_CLK_CKIH2]             = imx_obtain_fixed_clock("ckih2", rate_ckih2);
 100
 101         clk[IMX5_CLK_PERIPH_APM]        = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2,
 102                                                 periph_apm_sel, ARRAY_SIZE(periph_apm_sel));
 103         clk[IMX5_CLK_MAIN_BUS]          = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1,
 104                                                 main_bus_sel, ARRAY_SIZE(main_bus_sel));
 105         clk[IMX5_CLK_PER_LP_APM]        = imx_clk_mux("per_lp_apm", MXC_CCM_CBCMR, 1, 1,
 106                                                 per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel));
 107         clk[IMX5_CLK_PER_PRED1]         = imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6, 2);
 108         clk[IMX5_CLK_PER_PRED2]         = imx_clk_divider("per_pred2", "per_pred1", MXC_CCM_CBCDR, 3, 3);
 109         clk[IMX5_CLK_PER_PODF]          = imx_clk_divider("per_podf", "per_pred2", MXC_CCM_CBCDR, 0, 3);
 110         clk[IMX5_CLK_PER_ROOT]          = imx_clk_mux("per_root", MXC_CCM_CBCMR, 0, 1,
 111                                                 per_root_sel, ARRAY_SIZE(per_root_sel));
 112         clk[IMX5_CLK_AHB]               = imx_clk_divider("ahb", "main_bus", MXC_CCM_CBCDR, 10, 3);
 113         clk[IMX5_CLK_AHB_MAX]           = imx_clk_gate2("ahb_max", "ahb", MXC_CCM_CCGR0, 28);
 114         clk[IMX5_CLK_AIPS_TZ1]          = imx_clk_gate2("aips_tz1", "ahb", MXC_CCM_CCGR0, 24);
 115         clk[IMX5_CLK_AIPS_TZ2]          = imx_clk_gate2("aips_tz2", "ahb", MXC_CCM_CCGR0, 26);
 116         clk[IMX5_CLK_TMAX1]             = imx_clk_gate2("tmax1", "ahb", MXC_CCM_CCGR1, 0);
 117         clk[IMX5_CLK_TMAX2]             = imx_clk_gate2("tmax2", "ahb", MXC_CCM_CCGR1, 2);
 118         clk[IMX5_CLK_TMAX3]             = imx_clk_gate2("tmax3", "ahb", MXC_CCM_CCGR1, 4);
 119         clk[IMX5_CLK_SPBA]              = imx_clk_gate2("spba", "ipg", MXC_CCM_CCGR5, 0);
 120         clk[IMX5_CLK_IPG]               = imx_clk_divider("ipg", "ahb", MXC_CCM_CBCDR, 8, 2);
 121         clk[IMX5_CLK_AXI_A]             = imx_clk_divider("axi_a", "main_bus", MXC_CCM_CBCDR, 16, 3);
 122         clk[IMX5_CLK_AXI_B]             = imx_clk_divider("axi_b", "main_bus", MXC_CCM_CBCDR, 19, 3);
 123         clk[IMX5_CLK_UART_SEL]          = imx_clk_mux("uart_sel", MXC_CCM_CSCMR1, 24, 2,
 124                                                 standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
 125         clk[IMX5_CLK_UART_PRED]         = imx_clk_divider("uart_pred", "uart_sel", MXC_CCM_CSCDR1, 3, 3);
 126         clk[IMX5_CLK_UART_ROOT]         = imx_clk_divider("uart_root", "uart_pred", MXC_CCM_CSCDR1, 0, 3);
 127
 128         clk[IMX5_CLK_ESDHC_A_SEL]       = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2,
 129                                                 standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
 130         clk[IMX5_CLK_ESDHC_B_SEL]       = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2,
 131                                                 standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
 132         clk[IMX5_CLK_ESDHC_A_PRED]      = imx_clk_divider("esdhc_a_pred", "esdhc_a_sel", MXC_CCM_CSCDR1, 16, 3);
 133         clk[IMX5_CLK_ESDHC_A_PODF]      = imx_clk_divider("esdhc_a_podf", "esdhc_a_pred", MXC_CCM_CSCDR1, 11, 3);
 134         clk[IMX5_CLK_ESDHC_B_PRED]      = imx_clk_divider("esdhc_b_pred", "esdhc_b_sel", MXC_CCM_CSCDR1, 22, 3);
 135         clk[IMX5_CLK_ESDHC_B_PODF]      = imx_clk_divider("esdhc_b_podf", "esdhc_b_pred", MXC_CCM_CSCDR1, 19, 3);
 136         clk[IMX5_CLK_ESDHC_C_SEL]       = imx_clk_mux("esdhc_c_sel", MXC_CCM_CSCMR1, 19, 1, esdhc_c_sel, ARRAY_SIZE(esdhc_c_sel));
 137         clk[IMX5_CLK_ESDHC_D_SEL]       = imx_clk_mux("esdhc_d_sel", MXC_CCM_CSCMR1, 18, 1, esdhc_d_sel, ARRAY_SIZE(esdhc_d_sel));
 138
 139         clk[IMX5_CLK_EMI_SEL]           = imx_clk_mux("emi_sel", MXC_CCM_CBCDR, 26, 1,
 140                                                 emi_slow_sel, ARRAY_SIZE(emi_slow_sel));
 141         clk[IMX5_CLK_EMI_SLOW_PODF]     = imx_clk_divider("emi_slow_podf", "emi_sel", MXC_CCM_CBCDR, 22, 3);
 142         clk[IMX5_CLK_NFC_PODF]          = imx_clk_divider("nfc_podf", "emi_slow_podf", MXC_CCM_CBCDR, 13, 3);
 143         clk[IMX5_CLK_ECSPI_SEL]         = imx_clk_mux("ecspi_sel", MXC_CCM_CSCMR1, 4, 2,
 144                                                 standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
 145         clk[IMX5_CLK_ECSPI_PRED]        = imx_clk_divider("ecspi_pred", "ecspi_sel", MXC_CCM_CSCDR2, 25, 3);
 146         clk[IMX5_CLK_ECSPI_PODF]        = imx_clk_divider("ecspi_podf", "ecspi_pred", MXC_CCM_CSCDR2, 19, 6);
 147         clk[IMX5_CLK_USBOH3_SEL]        = imx_clk_mux("usboh3_sel", MXC_CCM_CSCMR1, 22, 2,
 148                                                 standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
 149         clk[IMX5_CLK_USBOH3_PRED]       = imx_clk_divider("usboh3_pred", "usboh3_sel", MXC_CCM_CSCDR1, 8, 3);
 150         clk[IMX5_CLK_USBOH3_PODF]       = imx_clk_divider("usboh3_podf", "usboh3_pred", MXC_CCM_CSCDR1, 6, 2);
 151         clk[IMX5_CLK_USB_PHY_PRED]      = imx_clk_divider("usb_phy_pred", "pll3_sw", MXC_CCM_CDCDR, 3, 3);
 152         clk[IMX5_CLK_USB_PHY_PODF]      = imx_clk_divider("usb_phy_podf", "usb_phy_pred", MXC_CCM_CDCDR, 0, 3);
 153         clk[IMX5_CLK_USB_PHY_SEL]       = imx_clk_mux("usb_phy_sel", MXC_CCM_CSCMR1, 26, 1,
 154                                                 usb_phy_sel_str, ARRAY_SIZE(usb_phy_sel_str));
 155         clk[IMX5_CLK_CPU_PODF]          = imx_clk_divider("cpu_podf", "pll1_sw", MXC_CCM_CACRR, 0, 3);
 156         clk[IMX5_CLK_DI_PRED]           = imx_clk_divider("di_pred", "pll3_sw", MXC_CCM_CDCDR, 6, 3);
 157         clk[IMX5_CLK_IIM_GATE]          = imx_clk_gate2("iim_gate", "ipg", MXC_CCM_CCGR0, 30);
 158         clk[IMX5_CLK_UART1_IPG_GATE]    = imx_clk_gate2("uart1_ipg_gate", "ipg", MXC_CCM_CCGR1, 6);
 159         clk[IMX5_CLK_UART1_PER_GATE]    = imx_clk_gate2("uart1_per_gate", "uart_root", MXC_CCM_CCGR1, 8);
 160         clk[IMX5_CLK_UART2_IPG_GATE]    = imx_clk_gate2("uart2_ipg_gate", "ipg", MXC_CCM_CCGR1, 10);
 161         clk[IMX5_CLK_UART2_PER_GATE]    = imx_clk_gate2("uart2_per_gate", "uart_root", MXC_CCM_CCGR1, 12);
 162         clk[IMX5_CLK_UART3_IPG_GATE]    = imx_clk_gate2("uart3_ipg_gate", "ipg", MXC_CCM_CCGR1, 14);
 163         clk[IMX5_CLK_UART3_PER_GATE]    = imx_clk_gate2("uart3_per_gate", "uart_root", MXC_CCM_CCGR1, 16);
 164         clk[IMX5_CLK_I2C1_GATE]         = imx_clk_gate2("i2c1_gate", "per_root", MXC_CCM_CCGR1, 18);
 165         clk[IMX5_CLK_I2C2_GATE]         = imx_clk_gate2("i2c2_gate", "per_root", MXC_CCM_CCGR1, 20);
 166         clk[IMX5_CLK_PWM1_IPG_GATE]     = imx_clk_gate2("pwm1_ipg_gate", "ipg", MXC_CCM_CCGR2, 10);
 167         clk[IMX5_CLK_PWM1_HF_GATE]      = imx_clk_gate2("pwm1_hf_gate", "per_root", MXC_CCM_CCGR2, 12);
 168         clk[IMX5_CLK_PWM2_IPG_GATE]     = imx_clk_gate2("pwm2_ipg_gate", "ipg", MXC_CCM_CCGR2, 14);
 169         clk[IMX5_CLK_PWM2_HF_GATE]      = imx_clk_gate2("pwm2_hf_gate", "per_root", MXC_CCM_CCGR2, 16);
 170         clk[IMX5_CLK_GPT_IPG_GATE]      = imx_clk_gate2("gpt_ipg_gate", "ipg", MXC_CCM_CCGR2, 18);
 171         clk[IMX5_CLK_GPT_HF_GATE]       = imx_clk_gate2("gpt_hf_gate", "per_root", MXC_CCM_CCGR2, 20);
 172         clk[IMX5_CLK_FEC_GATE]          = imx_clk_gate2("fec_gate", "ipg", MXC_CCM_CCGR2, 24);
 173         clk[IMX5_CLK_USBOH3_GATE]       = imx_clk_gate2("usboh3_gate", "ipg", MXC_CCM_CCGR2, 26);
 174         clk[IMX5_CLK_USBOH3_PER_GATE]   = imx_clk_gate2("usboh3_per_gate", "usboh3_podf", MXC_CCM_CCGR2, 28);
 175         clk[IMX5_CLK_ESDHC1_IPG_GATE]   = imx_clk_gate2("esdhc1_ipg_gate", "ipg", MXC_CCM_CCGR3, 0);
 176         clk[IMX5_CLK_ESDHC2_IPG_GATE]   = imx_clk_gate2("esdhc2_ipg_gate", "ipg", MXC_CCM_CCGR3, 4);
 177         clk[IMX5_CLK_ESDHC3_IPG_GATE]   = imx_clk_gate2("esdhc3_ipg_gate", "ipg", MXC_CCM_CCGR3, 8);
 178         clk[IMX5_CLK_ESDHC4_IPG_GATE]   = imx_clk_gate2("esdhc4_ipg_gate", "ipg", MXC_CCM_CCGR3, 12);
 179         clk[IMX5_CLK_SSI1_IPG_GATE]     = imx_clk_gate2("ssi1_ipg_gate", "ipg", MXC_CCM_CCGR3, 16);
 180         clk[IMX5_CLK_SSI2_IPG_GATE]     = imx_clk_gate2("ssi2_ipg_gate", "ipg", MXC_CCM_CCGR3, 20);
 181         clk[IMX5_CLK_SSI3_IPG_GATE]     = imx_clk_gate2("ssi3_ipg_gate", "ipg", MXC_CCM_CCGR3, 24);
 182         clk[IMX5_CLK_ECSPI1_IPG_GATE]   = imx_clk_gate2("ecspi1_ipg_gate", "ipg", MXC_CCM_CCGR4, 18);
 183         clk[IMX5_CLK_ECSPI1_PER_GATE]   = imx_clk_gate2("ecspi1_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 20);
 184         clk[IMX5_CLK_ECSPI2_IPG_GATE]   = imx_clk_gate2("ecspi2_ipg_gate", "ipg", MXC_CCM_CCGR4, 22);
 185         clk[IMX5_CLK_ECSPI2_PER_GATE]   = imx_clk_gate2("ecspi2_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 24);
 186         clk[IMX5_CLK_CSPI_IPG_GATE]     = imx_clk_gate2("cspi_ipg_gate", "ipg", MXC_CCM_CCGR4, 26);
 187         clk[IMX5_CLK_SDMA_GATE]         = imx_clk_gate2("sdma_gate", "ipg", MXC_CCM_CCGR4, 30);
 188         clk[IMX5_CLK_EMI_FAST_GATE]     = imx_clk_gate2("emi_fast_gate", "dummy", MXC_CCM_CCGR5, 14);
 189         clk[IMX5_CLK_EMI_SLOW_GATE]     = imx_clk_gate2("emi_slow_gate", "emi_slow_podf", MXC_CCM_CCGR5, 16);
 190         clk[IMX5_CLK_IPU_SEL]           = imx_clk_mux("ipu_sel", MXC_CCM_CBCMR, 6, 2, ipu_sel, ARRAY_SIZE(ipu_sel));
 191         clk[IMX5_CLK_IPU_GATE]          = imx_clk_gate2("ipu_gate", "ipu_sel", MXC_CCM_CCGR5, 10);
 192         clk[IMX5_CLK_NFC_GATE]          = imx_clk_gate2("nfc_gate", "nfc_podf", MXC_CCM_CCGR5, 20);
 193         clk[IMX5_CLK_IPU_DI0_GATE]      = imx_clk_gate2("ipu_di0_gate", "ipu_di0_sel", MXC_CCM_CCGR6, 10);
 194         clk[IMX5_CLK_IPU_DI1_GATE]      = imx_clk_gate2("ipu_di1_gate", "ipu_di1_sel", MXC_CCM_CCGR6, 12);
 195         clk[IMX5_CLK_GPU3D_SEL]         = imx_clk_mux("gpu3d_sel", MXC_CCM_CBCMR, 4, 2, gpu3d_sel, ARRAY_SIZE(gpu3d_sel));
 196         clk[IMX5_CLK_GPU2D_SEL]         = imx_clk_mux("gpu2d_sel", MXC_CCM_CBCMR, 16, 2, gpu2d_sel, ARRAY_SIZE(gpu2d_sel));
 197         clk[IMX5_CLK_GPU3D_GATE]        = imx_clk_gate2("gpu3d_gate", "gpu3d_sel", MXC_CCM_CCGR5, 2);
 198         clk[IMX5_CLK_GARB_GATE]         = imx_clk_gate2("garb_gate", "axi_a", MXC_CCM_CCGR5, 4);
 199         clk[IMX5_CLK_GPU2D_GATE]        = imx_clk_gate2("gpu2d_gate", "gpu2d_sel", MXC_CCM_CCGR6, 14);
 200         clk[IMX5_CLK_VPU_SEL]           = imx_clk_mux("vpu_sel", MXC_CCM_CBCMR, 14, 2, vpu_sel, ARRAY_SIZE(vpu_sel));
 201         clk[IMX5_CLK_VPU_GATE]          = imx_clk_gate2("vpu_gate", "vpu_sel", MXC_CCM_CCGR5, 6);
 202         clk[IMX5_CLK_VPU_REFERENCE_GATE] = imx_clk_gate2("vpu_reference_gate", "osc", MXC_CCM_CCGR5, 8);
 203         clk[IMX5_CLK_UART4_IPG_GATE]    = imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, 8);
 204         clk[IMX5_CLK_UART4_PER_GATE]    = imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_CCGR7, 10);
 205         clk[IMX5_CLK_UART5_IPG_GATE]    = imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, 12);
 206         clk[IMX5_CLK_UART5_PER_GATE]    = imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_CCGR7, 14);
 207         clk[IMX5_CLK_GPC_DVFS]          = imx_clk_gate2("gpc_dvfs", "dummy", MXC_CCM_CCGR5, 24);
 208
 209         clk[IMX5_CLK_SSI_APM]           = imx_clk_mux("ssi_apm", MXC_CCM_CSCMR1, 8, 2, ssi_apm_sels, ARRAY_SIZE(ssi_apm_sels));
 210         clk[IMX5_CLK_SSI1_ROOT_SEL]     = imx_clk_mux("ssi1_root_sel", MXC_CCM_CSCMR1, 14, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
 211         clk[IMX5_CLK_SSI2_ROOT_SEL]     = imx_clk_mux("ssi2_root_sel", MXC_CCM_CSCMR1, 12, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
 212         clk[IMX5_CLK_SSI3_ROOT_SEL]     = imx_clk_mux("ssi3_root_sel", MXC_CCM_CSCMR1, 11, 1, ssi3_clk_sels, ARRAY_SIZE(ssi3_clk_sels));
 213         clk[IMX5_CLK_SSI_EXT1_SEL]      = imx_clk_mux("ssi_ext1_sel", MXC_CCM_CSCMR1, 28, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
 214         clk[IMX5_CLK_SSI_EXT2_SEL]      = imx_clk_mux("ssi_ext2_sel", MXC_CCM_CSCMR1, 30, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
 215         clk[IMX5_CLK_SSI_EXT1_COM_SEL]  = imx_clk_mux("ssi_ext1_com_sel", MXC_CCM_CSCMR1, 0, 1, ssi_ext1_com_sels, ARRAY_SIZE(ssi_ext1_com_sels));
 216         clk[IMX5_CLK_SSI_EXT2_COM_SEL]  = imx_clk_mux("ssi_ext2_com_sel", MXC_CCM_CSCMR1, 1, 1, ssi_ext2_com_sels, ARRAY_SIZE(ssi_ext2_com_sels));
 217         clk[IMX5_CLK_SSI1_ROOT_PRED]    = imx_clk_divider("ssi1_root_pred", "ssi1_root_sel", MXC_CCM_CS1CDR, 6, 3);
 218         clk[IMX5_CLK_SSI1_ROOT_PODF]    = imx_clk_divider("ssi1_root_podf", "ssi1_root_pred", MXC_CCM_CS1CDR, 0, 6);
 219         clk[IMX5_CLK_SSI2_ROOT_PRED]    = imx_clk_divider("ssi2_root_pred", "ssi2_root_sel", MXC_CCM_CS2CDR, 6, 3);
 220         clk[IMX5_CLK_SSI2_ROOT_PODF]    = imx_clk_divider("ssi2_root_podf", "ssi2_root_pred", MXC_CCM_CS2CDR, 0, 6);
 221         clk[IMX5_CLK_SSI_EXT1_PRED]     = imx_clk_divider("ssi_ext1_pred", "ssi_ext1_sel", MXC_CCM_CS1CDR, 22, 3);
 222         clk[IMX5_CLK_SSI_EXT1_PODF]     = imx_clk_divider("ssi_ext1_podf", "ssi_ext1_pred", MXC_CCM_CS1CDR, 16, 6);
 223         clk[IMX5_CLK_SSI_EXT2_PRED]     = imx_clk_divider("ssi_ext2_pred", "ssi_ext2_sel", MXC_CCM_CS2CDR, 22, 3);
 224         clk[IMX5_CLK_SSI_EXT2_PODF]     = imx_clk_divider("ssi_ext2_podf", "ssi_ext2_pred", MXC_CCM_CS2CDR, 16, 6);
 225         clk[IMX5_CLK_SSI1_ROOT_GATE]    = imx_clk_gate2("ssi1_root_gate", "ssi1_root_podf", MXC_CCM_CCGR3, 18);
 226         clk[IMX5_CLK_SSI2_ROOT_GATE]    = imx_clk_gate2("ssi2_root_gate", "ssi2_root_podf", MXC_CCM_CCGR3, 22);
 227         clk[IMX5_CLK_SSI3_ROOT_GATE]    = imx_clk_gate2("ssi3_root_gate", "ssi3_root_sel", MXC_CCM_CCGR3, 26);
 228         clk[IMX5_CLK_SSI_EXT1_GATE]     = imx_clk_gate2("ssi_ext1_gate", "ssi_ext1_com_sel", MXC_CCM_CCGR3, 28);
 229         clk[IMX5_CLK_SSI_EXT2_GATE]     = imx_clk_gate2("ssi_ext2_gate", "ssi_ext2_com_sel", MXC_CCM_CCGR3, 30);
 230         clk[IMX5_CLK_EPIT1_IPG_GATE]    = imx_clk_gate2("epit1_ipg_gate", "ipg", MXC_CCM_CCGR2, 2);
 231         clk[IMX5_CLK_EPIT1_HF_GATE]     = imx_clk_gate2("epit1_hf_gate", "per_root", MXC_CCM_CCGR2, 4);
 232         clk[IMX5_CLK_EPIT2_IPG_GATE]    = imx_clk_gate2("epit2_ipg_gate", "ipg", MXC_CCM_CCGR2, 6);
 233         clk[IMX5_CLK_EPIT2_HF_GATE]     = imx_clk_gate2("epit2_hf_gate", "per_root", MXC_CCM_CCGR2, 8);
 234         clk[IMX5_CLK_OWIRE_GATE]        = imx_clk_gate2("owire_gate", "per_root", MXC_CCM_CCGR2, 22);
 235         clk[IMX5_CLK_SRTC_GATE]         = imx_clk_gate2("srtc_gate", "per_root", MXC_CCM_CCGR4, 28);
 236         clk[IMX5_CLK_PATA_GATE]         = imx_clk_gate2("pata_gate", "ipg", MXC_CCM_CCGR4, 0);
 237         clk[IMX5_CLK_SPDIF0_SEL]        = imx_clk_mux("spdif0_sel", MXC_CCM_CSCMR2, 0, 2, spdif_sel, ARRAY_SIZE(spdif_sel));
 238         clk[IMX5_CLK_SPDIF0_PRED]       = imx_clk_divider("spdif0_pred", "spdif0_sel", MXC_CCM_CDCDR, 25, 3);
 239         clk[IMX5_CLK_SPDIF0_PODF]       = imx_clk_divider("spdif0_podf", "spdif0_pred", MXC_CCM_CDCDR, 19, 6);
 240         clk[IMX5_CLK_SPDIF0_COM_SEL]    = imx_clk_mux_flags("spdif0_com_sel", MXC_CCM_CSCMR2, 4, 1,
 241                                                 spdif0_com_sel, ARRAY_SIZE(spdif0_com_sel), CLK_SET_RATE_PARENT);
 242         clk[IMX5_CLK_SPDIF0_GATE]       = imx_clk_gate2("spdif0_gate", "spdif0_com_sel", MXC_CCM_CCGR5, 26);
 243         clk[IMX5_CLK_SPDIF_IPG_GATE]    = imx_clk_gate2("spdif_ipg_gate", "ipg", MXC_CCM_CCGR5, 30);
 244         clk[IMX5_CLK_SAHARA_IPG_GATE]   = imx_clk_gate2("sahara_ipg_gate", "ipg", MXC_CCM_CCGR4, 14);
 245         clk[IMX5_CLK_SATA_REF]          = imx_clk_fixed_factor("sata_ref", "usb_phy1_gate", 1, 1);
 246
 247         for (i = 0; i < ARRAY_SIZE(clk); i++)
 248                 if (IS_ERR(clk[i]))
 249                         pr_err("i.MX5 clk %d: register failed with %ld\n",
 250                                 i, PTR_ERR(clk[i]));
 251
 252         clk_register_clkdev(clk[IMX5_CLK_GPT_HF_GATE], "per", "imx-gpt.0");
 253         clk_register_clkdev(clk[IMX5_CLK_GPT_IPG_GATE], "ipg", "imx-gpt.0");
 254         clk_register_clkdev(clk[IMX5_CLK_UART1_PER_GATE], "per", "imx21-uart.0");
 255         clk_register_clkdev(clk[IMX5_CLK_UART1_IPG_GATE], "ipg", "imx21-uart.0");
 256         clk_register_clkdev(clk[IMX5_CLK_UART2_PER_GATE], "per", "imx21-uart.1");
 257         clk_register_clkdev(clk[IMX5_CLK_UART2_IPG_GATE], "ipg", "imx21-uart.1");
 258         clk_register_clkdev(clk[IMX5_CLK_UART3_PER_GATE], "per", "imx21-uart.2");
 259         clk_register_clkdev(clk[IMX5_CLK_UART3_IPG_GATE], "ipg", "imx21-uart.2");
 260         clk_register_clkdev(clk[IMX5_CLK_UART4_PER_GATE], "per", "imx21-uart.3");
 261         clk_register_clkdev(clk[IMX5_CLK_UART4_IPG_GATE], "ipg", "imx21-uart.3");
 262         clk_register_clkdev(clk[IMX5_CLK_UART5_PER_GATE], "per", "imx21-uart.4");
 263         clk_register_clkdev(clk[IMX5_CLK_UART5_IPG_GATE], "ipg", "imx21-uart.4");
 264         clk_register_clkdev(clk[IMX5_CLK_ECSPI1_PER_GATE], "per", "imx51-ecspi.0");
 265         clk_register_clkdev(clk[IMX5_CLK_ECSPI1_IPG_GATE], "ipg", "imx51-ecspi.0");
 266         clk_register_clkdev(clk[IMX5_CLK_ECSPI2_PER_GATE], "per", "imx51-ecspi.1");
 267         clk_register_clkdev(clk[IMX5_CLK_ECSPI2_IPG_GATE], "ipg", "imx51-ecspi.1");
 268         clk_register_clkdev(clk[IMX5_CLK_CSPI_IPG_GATE], NULL, "imx35-cspi.2");
 269         clk_register_clkdev(clk[IMX5_CLK_I2C1_GATE], NULL, "imx21-i2c.0");
 270         clk_register_clkdev(clk[IMX5_CLK_I2C2_GATE], NULL, "imx21-i2c.1");
 271         clk_register_clkdev(clk[IMX5_CLK_USBOH3_PER_GATE], "per", "mxc-ehci.0");
 272         clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ipg", "mxc-ehci.0");
 273         clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ahb", "mxc-ehci.0");
 274         clk_register_clkdev(clk[IMX5_CLK_USBOH3_PER_GATE], "per", "mxc-ehci.1");
 275         clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ipg", "mxc-ehci.1");
 276         clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ahb", "mxc-ehci.1");
 277         clk_register_clkdev(clk[IMX5_CLK_USBOH3_PER_GATE], "per", "mxc-ehci.2");
 278         clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ipg", "mxc-ehci.2");
 279         clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ahb", "mxc-ehci.2");
 280         clk_register_clkdev(clk[IMX5_CLK_USBOH3_PER_GATE], "per", "imx-udc-mx51");
 281         clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ipg", "imx-udc-mx51");
 282         clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ahb", "imx-udc-mx51");
 283         clk_register_clkdev(clk[IMX5_CLK_NFC_GATE], NULL, "imx51-nand");
 284         clk_register_clkdev(clk[IMX5_CLK_SSI1_IPG_GATE], NULL, "imx-ssi.0");
 285         clk_register_clkdev(clk[IMX5_CLK_SSI2_IPG_GATE], NULL, "imx-ssi.1");
 286         clk_register_clkdev(clk[IMX5_CLK_SSI3_IPG_GATE], NULL, "imx-ssi.2");
 287         clk_register_clkdev(clk[IMX5_CLK_SDMA_GATE], NULL, "imx35-sdma");
 288         clk_register_clkdev(clk[IMX5_CLK_CPU_PODF], NULL, "cpu0");
 289         clk_register_clkdev(clk[IMX5_CLK_IIM_GATE], "iim", NULL);
 290         clk_register_clkdev(clk[IMX5_CLK_DUMMY], NULL, "imx2-wdt.0");
 291         clk_register_clkdev(clk[IMX5_CLK_DUMMY], NULL, "imx2-wdt.1");
 292         clk_register_clkdev(clk[IMX5_CLK_DUMMY], NULL, "imx-keypad");
 293         clk_register_clkdev(clk[IMX5_CLK_IPU_DI1_GATE], "di1", "imx-tve.0");
 294         clk_register_clkdev(clk[IMX5_CLK_GPC_DVFS], "gpc_dvfs", NULL);
 295         clk_register_clkdev(clk[IMX5_CLK_EPIT1_IPG_GATE], "ipg", "imx-epit.0");
 296         clk_register_clkdev(clk[IMX5_CLK_EPIT1_HF_GATE], "per", "imx-epit.0");
 297         clk_register_clkdev(clk[IMX5_CLK_EPIT2_IPG_GATE], "ipg", "imx-epit.1");
 298         clk_register_clkdev(clk[IMX5_CLK_EPIT2_HF_GATE], "per", "imx-epit.1");
 299
 300         /* Set SDHC parents to be PLL2 */
 301         clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]);
 302         clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]);
 303
 304         /* move usb phy clk to 24MHz */
 305         clk_set_parent(clk[IMX5_CLK_USB_PHY_SEL], clk[IMX5_CLK_OSC]);
 306
 307         clk_prepare_enable(clk[IMX5_CLK_GPC_DVFS]);
 308         clk_prepare_enable(clk[IMX5_CLK_AHB_MAX]); /* esdhc3 */
 309         clk_prepare_enable(clk[IMX5_CLK_AIPS_TZ1]);
 310         clk_prepare_enable(clk[IMX5_CLK_AIPS_TZ2]); /* fec */
 311         clk_prepare_enable(clk[IMX5_CLK_SPBA]);
 312         clk_prepare_enable(clk[IMX5_CLK_EMI_FAST_GATE]); /* fec */
 313         clk_prepare_enable(clk[IMX5_CLK_EMI_SLOW_GATE]); /* eim */
 314         clk_prepare_enable(clk[IMX5_CLK_MIPI_HSC1_GATE]);
 315         clk_prepare_enable(clk[IMX5_CLK_MIPI_HSC2_GATE]);
 316         clk_prepare_enable(clk[IMX5_CLK_MIPI_ESC_GATE]);
 317         clk_prepare_enable(clk[IMX5_CLK_MIPI_HSP_GATE]);
 318         clk_prepare_enable(clk[IMX5_CLK_TMAX1]);
 319         clk_prepare_enable(clk[IMX5_CLK_TMAX2]); /* esdhc2, fec */
 320         clk_prepare_enable(clk[IMX5_CLK_TMAX3]); /* esdhc1, esdhc4 */
 321 }
 322
 323 static void __init mx50_clocks_init(struct device_node *np)
 324 {
 325         void __iomem *base;
 326         unsigned long r;
 327         int i, irq;
 328
 329         clk[IMX5_CLK_PLL1_SW]           = imx_clk_pllv2("pll1_sw", "osc", MX53_DPLL1_BASE);
 330         clk[IMX5_CLK_PLL2_SW]           = imx_clk_pllv2("pll2_sw", "osc", MX53_DPLL2_BASE);
 331         clk[IMX5_CLK_PLL3_SW]           = imx_clk_pllv2("pll3_sw", "osc", MX53_DPLL3_BASE);
 332
 333         clk[IMX5_CLK_LP_APM]            = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1,
 334                                                 lp_apm_sel, ARRAY_SIZE(lp_apm_sel));
 335         clk[IMX5_CLK_ESDHC1_PER_GATE]   = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
 336         clk[IMX5_CLK_ESDHC2_PER_GATE]   = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6);
 337         clk[IMX5_CLK_ESDHC3_PER_GATE]   = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10);
 338         clk[IMX5_CLK_ESDHC4_PER_GATE]   = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
 339         clk[IMX5_CLK_USB_PHY1_GATE]     = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10);
 340         clk[IMX5_CLK_USB_PHY2_GATE]     = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12);
 341         clk[IMX5_CLK_I2C3_GATE]         = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22);
 342
 343         clk[IMX5_CLK_CKO1_SEL]          = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4,
 344                                                 mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel));
 345         clk[IMX5_CLK_CKO1_PODF]         = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3);
 346         clk[IMX5_CLK_CKO1]              = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7);
 347
 348         clk[IMX5_CLK_CKO2_SEL]          = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5,
 349                                                 mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel));
 350         clk[IMX5_CLK_CKO2_PODF]         = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3);
 351         clk[IMX5_CLK_CKO2]              = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24);
 352
 353         for (i = 0; i < ARRAY_SIZE(clk); i++)
 354                 if (IS_ERR(clk[i]))
 355                         pr_err("i.MX50 clk %d: register failed with %ld\n",
 356                                 i, PTR_ERR(clk[i]));
 357
 358         clk_data.clks = clk;
 359         clk_data.clk_num = ARRAY_SIZE(clk);
 360         of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
 361
 362         mx5_clocks_common_init(0, 0, 0, 0);
 363
 364         /* set SDHC root clock to 200MHZ*/
 365         clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000);
 366         clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000);
 367
 368         clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]);
 369         imx_print_silicon_rev("i.MX50", IMX_CHIP_REVISION_1_1);
 370         clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]);
 371
 372         r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000);
 373         clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r);
 374
 375         np = of_find_compatible_node(NULL, NULL, "fsl,imx50-gpt");
 376         base = of_iomap(np, 0);
 377         WARN_ON(!base);
 378         irq = irq_of_parse_and_map(np, 0);
 379         mxc_timer_init(base, irq);
 380 }
 381 CLK_OF_DECLARE(imx50_ccm, "fsl,imx50-ccm", mx50_clocks_init);
 382
 383 int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
 384                         unsigned long rate_ckih1, unsigned long rate_ckih2)
 385 {
 386         int i;
 387         u32 val;
 388         struct device_node *np;
 389
 390         clk[IMX5_CLK_PLL1_SW]           = imx_clk_pllv2("pll1_sw", "osc", MX51_DPLL1_BASE);
 391         clk[IMX5_CLK_PLL2_SW]           = imx_clk_pllv2("pll2_sw", "osc", MX51_DPLL2_BASE);
 392         clk[IMX5_CLK_PLL3_SW]           = imx_clk_pllv2("pll3_sw", "osc", MX51_DPLL3_BASE);
 393         clk[IMX5_CLK_LP_APM]            = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 9, 1,
 394                                                 lp_apm_sel, ARRAY_SIZE(lp_apm_sel));
 395         clk[IMX5_CLK_IPU_DI0_SEL]       = imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3,
 396                                                 mx51_ipu_di0_sel, ARRAY_SIZE(mx51_ipu_di0_sel));
 397         clk[IMX5_CLK_IPU_DI1_SEL]       = imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3,
 398                                                 mx51_ipu_di1_sel, ARRAY_SIZE(mx51_ipu_di1_sel));
 399         clk[IMX5_CLK_TVE_EXT_SEL]       = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1,
 400                                                 mx51_tve_ext_sel, ARRAY_SIZE(mx51_tve_ext_sel), CLK_SET_RATE_PARENT);
 401         clk[IMX5_CLK_TVE_SEL]           = imx_clk_mux("tve_sel", MXC_CCM_CSCMR1, 7, 1,
 402                                                 mx51_tve_sel, ARRAY_SIZE(mx51_tve_sel));
 403         clk[IMX5_CLK_TVE_GATE]          = imx_clk_gate2("tve_gate", "tve_sel", MXC_CCM_CCGR2, 30);
 404         clk[IMX5_CLK_TVE_PRED]          = imx_clk_divider("tve_pred", "pll3_sw", MXC_CCM_CDCDR, 28, 3);
 405         clk[IMX5_CLK_ESDHC1_PER_GATE]   = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
 406         clk[IMX5_CLK_ESDHC2_PER_GATE]   = imx_clk_gate2("esdhc2_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 6);
 407         clk[IMX5_CLK_ESDHC3_PER_GATE]   = imx_clk_gate2("esdhc3_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 10);
 408         clk[IMX5_CLK_ESDHC4_PER_GATE]   = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
 409         clk[IMX5_CLK_USB_PHY_GATE]      = imx_clk_gate2("usb_phy_gate", "usb_phy_sel", MXC_CCM_CCGR2, 0);
 410         clk[IMX5_CLK_HSI2C_GATE]        = imx_clk_gate2("hsi2c_gate", "ipg", MXC_CCM_CCGR1, 22);
 411         clk[IMX5_CLK_MIPI_HSC1_GATE]    = imx_clk_gate2("mipi_hsc1_gate", "ipg", MXC_CCM_CCGR4, 6);
 412         clk[IMX5_CLK_MIPI_HSC2_GATE]    = imx_clk_gate2("mipi_hsc2_gate", "ipg", MXC_CCM_CCGR4, 8);
 413         clk[IMX5_CLK_MIPI_ESC_GATE]     = imx_clk_gate2("mipi_esc_gate", "ipg", MXC_CCM_CCGR4, 10);
 414         clk[IMX5_CLK_MIPI_HSP_GATE]     = imx_clk_gate2("mipi_hsp_gate", "ipg", MXC_CCM_CCGR4, 12);
 415         clk[IMX5_CLK_SPDIF_XTAL_SEL]    = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2,
 416                                                 mx51_spdif_xtal_sel, ARRAY_SIZE(mx51_spdif_xtal_sel));
 417         clk[IMX5_CLK_SPDIF1_SEL]        = imx_clk_mux("spdif1_sel", MXC_CCM_CSCMR2, 2, 2,
 418                                                 spdif_sel, ARRAY_SIZE(spdif_sel));
 419         clk[IMX5_CLK_SPDIF1_PRED]       = imx_clk_divider("spdif1_pred", "spdif1_sel", MXC_CCM_CDCDR, 16, 3);
 420         clk[IMX5_CLK_SPDIF1_PODF]       = imx_clk_divider("spdif1_podf", "spdif1_pred", MXC_CCM_CDCDR, 9, 6);
 421         clk[IMX5_CLK_SPDIF1_COM_SEL]    = imx_clk_mux("spdif1_com_sel", MXC_CCM_CSCMR2, 5, 1,
 422                                                 mx51_spdif1_com_sel, ARRAY_SIZE(mx51_spdif1_com_sel));
 423         clk[IMX5_CLK_SPDIF1_GATE]       = imx_clk_gate2("spdif1_gate", "spdif1_com_sel", MXC_CCM_CCGR5, 28);
 424
 425         for (i = 0; i < ARRAY_SIZE(clk); i++)
 426                 if (IS_ERR(clk[i]))
 427                         pr_err("i.MX51 clk %d: register failed with %ld\n",
 428                                 i, PTR_ERR(clk[i]));
 429
 430         np = of_find_compatible_node(NULL, NULL, "fsl,imx51-ccm");
 431         clk_data.clks = clk;
 432         clk_data.clk_num = ARRAY_SIZE(clk);
 433         of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
 434
 435         mx5_clocks_common_init(rate_ckil, rate_osc, rate_ckih1, rate_ckih2);
 436
 437         clk_register_clkdev(clk[IMX5_CLK_HSI2C_GATE], NULL, "imx21-i2c.2");
 438         clk_register_clkdev(clk[IMX5_CLK_MX51_MIPI], "mipi_hsp", NULL);
 439         clk_register_clkdev(clk[IMX5_CLK_VPU_GATE], NULL, "imx51-vpu.0");
 440         clk_register_clkdev(clk[IMX5_CLK_FEC_GATE], NULL, "imx27-fec.0");
 441         clk_register_clkdev(clk[IMX5_CLK_USB_PHY_GATE], "phy", "mxc-ehci.0");
 442         clk_register_clkdev(clk[IMX5_CLK_ESDHC1_IPG_GATE], "ipg", "sdhci-esdhc-imx51.0");
 443         clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx51.0");
 444         clk_register_clkdev(clk[IMX5_CLK_ESDHC1_PER_GATE], "per", "sdhci-esdhc-imx51.0");
 445         clk_register_clkdev(clk[IMX5_CLK_ESDHC2_IPG_GATE], "ipg", "sdhci-esdhc-imx51.1");
 446         clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx51.1");
 447         clk_register_clkdev(clk[IMX5_CLK_ESDHC2_PER_GATE], "per", "sdhci-esdhc-imx51.1");
 448         clk_register_clkdev(clk[IMX5_CLK_ESDHC3_IPG_GATE], "ipg", "sdhci-esdhc-imx51.2");
 449         clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx51.2");
 450         clk_register_clkdev(clk[IMX5_CLK_ESDHC3_PER_GATE], "per", "sdhci-esdhc-imx51.2");
 451         clk_register_clkdev(clk[IMX5_CLK_ESDHC4_IPG_GATE], "ipg", "sdhci-esdhc-imx51.3");
 452         clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx51.3");
 453         clk_register_clkdev(clk[IMX5_CLK_ESDHC4_PER_GATE], "per", "sdhci-esdhc-imx51.3");
 454
 455         /* set the usboh3 parent to pll2_sw */
 456         clk_set_parent(clk[IMX5_CLK_USBOH3_SEL], clk[IMX5_CLK_PLL2_SW]);
 457
 458         /* set SDHC root clock to 166.25MHZ*/
 459         clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 166250000);
 460         clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 166250000);
 461
 462         /* System timer */
 463         mxc_timer_init(MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR), MX51_INT_GPT);
 464
 465         clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]);
 466         imx_print_silicon_rev("i.MX51", mx51_revision());
 467         clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]);
 468
 469         /*
 470          * Reference Manual says: Functionality of CCDR[18] and CLPCR[23] is no
 471          * longer supported. Set to one for better power saving.
 472          *
 473          * The effect of not setting these bits is that MIPI clocks can't be
 474          * enabled without the IPU clock being enabled aswell.
 475          */
 476         val = readl(MXC_CCM_CCDR);
 477         val |= 1 << 18;
 478         writel(val, MXC_CCM_CCDR);
 479
 480         val = readl(MXC_CCM_CLPCR);
 481         val |= 1 << 23;
 482         writel(val, MXC_CCM_CLPCR);
 483
 484         return 0;
 485 }
 486
 487 static void __init mx51_clocks_init_dt(struct device_node *np)
 488 {
 489         mx51_clocks_init(0, 0, 0, 0);
 490 }
 491 CLK_OF_DECLARE(imx51_ccm, "fsl,imx51-ccm", mx51_clocks_init_dt);
 492
 493 static void __init mx53_clocks_init(struct device_node *np)
 494 {
 495         int i, irq;
 496         unsigned long r;
 497         void __iomem *base;
 498
 499         clk[IMX5_CLK_PLL1_SW]           = imx_clk_pllv2("pll1_sw", "osc", MX53_DPLL1_BASE);
 500         clk[IMX5_CLK_PLL2_SW]           = imx_clk_pllv2("pll2_sw", "osc", MX53_DPLL2_BASE);
 501         clk[IMX5_CLK_PLL3_SW]           = imx_clk_pllv2("pll3_sw", "osc", MX53_DPLL3_BASE);
 502         clk[IMX5_CLK_PLL4_SW]           = imx_clk_pllv2("pll4_sw", "osc", MX53_DPLL4_BASE);
 503
 504         clk[IMX5_CLK_LP_APM]            = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1,
 505                                                 lp_apm_sel, ARRAY_SIZE(lp_apm_sel));
 506         clk[IMX5_CLK_LDB_DI1_DIV_3_5]   = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
 507         clk[IMX5_CLK_LDB_DI1_DIV]       = imx_clk_divider_flags("ldb_di1_div", "ldb_di1_div_3_5", MXC_CCM_CSCMR2, 11, 1, 0);
 508         clk[IMX5_CLK_LDB_DI1_SEL]       = imx_clk_mux_flags("ldb_di1_sel", MXC_CCM_CSCMR2, 9, 1,
 509                                                 mx53_ldb_di1_sel, ARRAY_SIZE(mx53_ldb_di1_sel), CLK_SET_RATE_PARENT);
 510         clk[IMX5_CLK_DI_PLL4_PODF]      = imx_clk_divider("di_pll4_podf", "pll4_sw", MXC_CCM_CDCDR, 16, 3);
 511         clk[IMX5_CLK_LDB_DI0_DIV_3_5]   = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
 512         clk[IMX5_CLK_LDB_DI0_DIV]       = imx_clk_divider_flags("ldb_di0_div", "ldb_di0_div_3_5", MXC_CCM_CSCMR2, 10, 1, 0);
 513         clk[IMX5_CLK_LDB_DI0_SEL]       = imx_clk_mux_flags("ldb_di0_sel", MXC_CCM_CSCMR2, 8, 1,
 514                                                 mx53_ldb_di0_sel, ARRAY_SIZE(mx53_ldb_di0_sel), CLK_SET_RATE_PARENT);
 515         clk[IMX5_CLK_LDB_DI0_GATE]      = imx_clk_gate2("ldb_di0_gate", "ldb_di0_div", MXC_CCM_CCGR6, 28);
 516         clk[IMX5_CLK_LDB_DI1_GATE]      = imx_clk_gate2("ldb_di1_gate", "ldb_di1_div", MXC_CCM_CCGR6, 30);
 517         clk[IMX5_CLK_IPU_DI0_SEL]       = imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3,
 518                                                 mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel));
 519         clk[IMX5_CLK_IPU_DI1_SEL]       = imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3,
 520                                                 mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel));
 521         clk[IMX5_CLK_TVE_EXT_SEL]       = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1,
 522                                                 mx53_tve_ext_sel, ARRAY_SIZE(mx53_tve_ext_sel), CLK_SET_RATE_PARENT);
 523         clk[IMX5_CLK_TVE_GATE]          = imx_clk_gate2("tve_gate", "tve_pred", MXC_CCM_CCGR2, 30);
 524         clk[IMX5_CLK_TVE_PRED]          = imx_clk_divider("tve_pred", "tve_ext_sel", MXC_CCM_CDCDR, 28, 3);
 525         clk[IMX5_CLK_ESDHC1_PER_GATE]   = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
 526         clk[IMX5_CLK_ESDHC2_PER_GATE]   = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6);
 527         clk[IMX5_CLK_ESDHC3_PER_GATE]   = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10);
 528         clk[IMX5_CLK_ESDHC4_PER_GATE]   = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
 529         clk[IMX5_CLK_USB_PHY1_GATE]     = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10);
 530         clk[IMX5_CLK_USB_PHY2_GATE]     = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12);
 531         clk[IMX5_CLK_CAN_SEL]           = imx_clk_mux("can_sel", MXC_CCM_CSCMR2, 6, 2,
 532                                                 mx53_can_sel, ARRAY_SIZE(mx53_can_sel));
 533         clk[IMX5_CLK_CAN1_SERIAL_GATE]  = imx_clk_gate2("can1_serial_gate", "can_sel", MXC_CCM_CCGR6, 22);
 534         clk[IMX5_CLK_CAN1_IPG_GATE]     = imx_clk_gate2("can1_ipg_gate", "ipg", MXC_CCM_CCGR6, 20);
 535         clk[IMX5_CLK_OCRAM]             = imx_clk_gate2("ocram", "ahb", MXC_CCM_CCGR6, 2);
 536         clk[IMX5_CLK_CAN2_SERIAL_GATE]  = imx_clk_gate2("can2_serial_gate", "can_sel", MXC_CCM_CCGR4, 8);
 537         clk[IMX5_CLK_CAN2_IPG_GATE]     = imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 6);
 538         clk[IMX5_CLK_I2C3_GATE]         = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22);
 539         clk[IMX5_CLK_SATA_GATE]         = imx_clk_gate2("sata_gate", "ipg", MXC_CCM_CCGR4, 2);
 540
 541         clk[IMX5_CLK_CKO1_SEL]          = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4,
 542                                                 mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel));
 543         clk[IMX5_CLK_CKO1_PODF]         = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3);
 544         clk[IMX5_CLK_CKO1]              = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7);
 545
 546         clk[IMX5_CLK_CKO2_SEL]          = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5,
 547                                                 mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel));
 548         clk[IMX5_CLK_CKO2_PODF]         = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3);
 549         clk[IMX5_CLK_CKO2]              = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24);
 550         clk[IMX5_CLK_SPDIF_XTAL_SEL]    = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2,
 551                                                 mx53_spdif_xtal_sel, ARRAY_SIZE(mx53_spdif_xtal_sel));
 552
 553         for (i = 0; i < ARRAY_SIZE(clk); i++)
 554                 if (IS_ERR(clk[i]))
 555                         pr_err("i.MX53 clk %d: register failed with %ld\n",
 556                                 i, PTR_ERR(clk[i]));
 557
 558         clk_data.clks = clk;
 559         clk_data.clk_num = ARRAY_SIZE(clk);
 560         of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
 561
 562         mx5_clocks_common_init(0, 0, 0, 0);
 563
 564         clk_register_clkdev(clk[IMX5_CLK_VPU_GATE], NULL, "imx53-vpu.0");
 565         clk_register_clkdev(clk[IMX5_CLK_I2C3_GATE], NULL, "imx21-i2c.2");
 566         clk_register_clkdev(clk[IMX5_CLK_FEC_GATE], NULL, "imx25-fec.0");
 567         clk_register_clkdev(clk[IMX5_CLK_USB_PHY1_GATE], "usb_phy1", "mxc-ehci.0");
 568         clk_register_clkdev(clk[IMX5_CLK_ESDHC1_IPG_GATE], "ipg", "sdhci-esdhc-imx53.0");
 569         clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx53.0");
 570         clk_register_clkdev(clk[IMX5_CLK_ESDHC1_PER_GATE], "per", "sdhci-esdhc-imx53.0");
 571         clk_register_clkdev(clk[IMX5_CLK_ESDHC2_IPG_GATE], "ipg", "sdhci-esdhc-imx53.1");
 572         clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx53.1");
 573         clk_register_clkdev(clk[IMX5_CLK_ESDHC2_PER_GATE], "per", "sdhci-esdhc-imx53.1");
 574         clk_register_clkdev(clk[IMX5_CLK_ESDHC3_IPG_GATE], "ipg", "sdhci-esdhc-imx53.2");
 575         clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx53.2");
 576         clk_register_clkdev(clk[IMX5_CLK_ESDHC3_PER_GATE], "per", "sdhci-esdhc-imx53.2");
 577         clk_register_clkdev(clk[IMX5_CLK_ESDHC4_IPG_GATE], "ipg", "sdhci-esdhc-imx53.3");
 578         clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx53.3");
 579         clk_register_clkdev(clk[IMX5_CLK_ESDHC4_PER_GATE], "per", "sdhci-esdhc-imx53.3");
 580
 581         /* set SDHC root clock to 200MHZ*/
 582         clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000);
 583         clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000);
 584
 585         /* move can bus clk to 24MHz */
 586         clk_set_parent(clk[IMX5_CLK_CAN_SEL], clk[IMX5_CLK_LP_APM]);
 587
 588         clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]);
 589         imx_print_silicon_rev("i.MX53", mx53_revision());
 590         clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]);
 591
 592         r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000);
 593         clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r);
 594
 595         np = of_find_compatible_node(NULL, NULL, "fsl,imx53-gpt");
 596         base = of_iomap(np, 0);
 597         WARN_ON(!base);
 598         irq = irq_of_parse_and_map(np, 0);
 599         mxc_timer_init(base, irq);
 600 }
 601 CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init);