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 <linux/sizes.h> 20 #include <soc/imx/revision.h> 21 #include <dt-bindings/clock/imx5-clock.h> 22 23 #include "clk.h" 24 25 #define MX51_DPLL1_BASE 0x83f80000 26 #define MX51_DPLL2_BASE 0x83f84000 27 #define MX51_DPLL3_BASE 0x83f88000 28 29 #define MX53_DPLL1_BASE 0x63f80000 30 #define MX53_DPLL2_BASE 0x63f84000 31 #define MX53_DPLL3_BASE 0x63f88000 32 #define MX53_DPLL4_BASE 0x63f8c000 33 34 #define MXC_CCM_CCR (ccm_base + 0x00) 35 #define MXC_CCM_CCDR (ccm_base + 0x04) 36 #define MXC_CCM_CSR (ccm_base + 0x08) 37 #define MXC_CCM_CCSR (ccm_base + 0x0c) 38 #define MXC_CCM_CACRR (ccm_base + 0x10) 39 #define MXC_CCM_CBCDR (ccm_base + 0x14) 40 #define MXC_CCM_CBCMR (ccm_base + 0x18) 41 #define MXC_CCM_CSCMR1 (ccm_base + 0x1c) 42 #define MXC_CCM_CSCMR2 (ccm_base + 0x20) 43 #define MXC_CCM_CSCDR1 (ccm_base + 0x24) 44 #define MXC_CCM_CS1CDR (ccm_base + 0x28) 45 #define MXC_CCM_CS2CDR (ccm_base + 0x2c) 46 #define MXC_CCM_CDCDR (ccm_base + 0x30) 47 #define MXC_CCM_CHSCDR (ccm_base + 0x34) 48 #define MXC_CCM_CSCDR2 (ccm_base + 0x38) 49 #define MXC_CCM_CSCDR3 (ccm_base + 0x3c) 50 #define MXC_CCM_CSCDR4 (ccm_base + 0x40) 51 #define MXC_CCM_CWDR (ccm_base + 0x44) 52 #define MXC_CCM_CDHIPR (ccm_base + 0x48) 53 #define MXC_CCM_CDCR (ccm_base + 0x4c) 54 #define MXC_CCM_CTOR (ccm_base + 0x50) 55 #define MXC_CCM_CLPCR (ccm_base + 0x54) 56 #define MXC_CCM_CISR (ccm_base + 0x58) 57 #define MXC_CCM_CIMR (ccm_base + 0x5c) 58 #define MXC_CCM_CCOSR (ccm_base + 0x60) 59 #define MXC_CCM_CGPR (ccm_base + 0x64) 60 #define MXC_CCM_CCGR0 (ccm_base + 0x68) 61 #define MXC_CCM_CCGR1 (ccm_base + 0x6c) 62 #define MXC_CCM_CCGR2 (ccm_base + 0x70) 63 #define MXC_CCM_CCGR3 (ccm_base + 0x74) 64 #define MXC_CCM_CCGR4 (ccm_base + 0x78) 65 #define MXC_CCM_CCGR5 (ccm_base + 0x7c) 66 #define MXC_CCM_CCGR6 (ccm_base + 0x80) 67 #define MXC_CCM_CCGR7 (ccm_base + 0x84) 68 69 /* Low-power Audio Playback Mode clock */ 70 static const char *lp_apm_sel[] = { "osc", }; 71 72 /* This is used multiple times */ 73 static const char *standard_pll_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "lp_apm", }; 74 static const char *periph_apm_sel[] = { "pll1_sw", "pll3_sw", "lp_apm", }; 75 static const char *main_bus_sel[] = { "pll2_sw", "periph_apm", }; 76 static const char *per_lp_apm_sel[] = { "main_bus", "lp_apm", }; 77 static const char *per_root_sel[] = { "per_podf", "ipg", }; 78 static const char *esdhc_c_sel[] = { "esdhc_a_podf", "esdhc_b_podf", }; 79 static const char *esdhc_d_sel[] = { "esdhc_a_podf", "esdhc_b_podf", }; 80 static const char *ssi_apm_sels[] = { "ckih1", "lp_amp", "ckih2", }; 81 static const char *ssi_clk_sels[] = { "pll1_sw", "pll2_sw", "pll3_sw", "ssi_apm", }; 82 static const char *ssi3_clk_sels[] = { "ssi1_root_gate", "ssi2_root_gate", }; 83 static const char *ssi_ext1_com_sels[] = { "ssi_ext1_podf", "ssi1_root_gate", }; 84 static const char *ssi_ext2_com_sels[] = { "ssi_ext2_podf", "ssi2_root_gate", }; 85 static const char *emi_slow_sel[] = { "main_bus", "ahb", }; 86 static const char *usb_phy_sel_str[] = { "osc", "usb_phy_podf", }; 87 static const char *mx51_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "tve_di", }; 88 static const char *mx53_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "di_pll4_podf", "dummy", "ldb_di0_gate", }; 89 static const char *mx53_ldb_di0_sel[] = { "pll3_sw", "pll4_sw", }; 90 static const char *mx51_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", }; 91 static const char *mx53_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", "ldb_di1_gate", }; 92 static const char *mx53_ldb_di1_sel[] = { "pll3_sw", "pll4_sw", }; 93 static const char *mx51_tve_ext_sel[] = { "osc", "ckih1", }; 94 static const char *mx53_tve_ext_sel[] = { "pll4_sw", "ckih1", }; 95 static const char *mx51_tve_sel[] = { "tve_pred", "tve_ext_sel", }; 96 static const char *ipu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", }; 97 static const char *gpu3d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" }; 98 static const char *gpu2d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" }; 99 static const char *vpu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", }; 100 static const char *mx53_can_sel[] = { "ipg", "ckih1", "ckih2", "lp_apm", }; 101 static const char *mx53_cko1_sel[] = { 102 "cpu_podf", "pll1_sw", "pll2_sw", "pll3_sw", 103 "emi_slow_podf", "pll4_sw", "nfc_podf", "dummy", 104 "di_pred", "dummy", "dummy", "ahb", 105 "ipg", "per_root", "ckil", "dummy",}; 106 static const char *mx53_cko2_sel[] = { 107 "dummy"/* dptc_core */, "dummy"/* dptc_perich */, 108 "dummy", "esdhc_a_podf", 109 "usboh3_podf", "dummy"/* wrck_clk_root */, 110 "ecspi_podf", "dummy"/* pll1_ref_clk */, 111 "esdhc_b_podf", "dummy"/* ddr_clk_root */, 112 "dummy"/* arm_axi_clk_root */, "dummy"/* usb_phy_out */, 113 "vpu_sel", "ipu_sel", 114 "osc", "ckih1", 115 "dummy", "esdhc_c_sel", 116 "ssi1_root_podf", "ssi2_root_podf", 117 "dummy", "dummy", 118 "dummy"/* lpsr_clk_root */, "dummy"/* pgc_clk_root */, 119 "dummy"/* tve_out */, "usb_phy_sel", 120 "tve_sel", "lp_apm", 121 "uart_root", "dummy"/* spdif0_clk_root */, 122 "dummy", "dummy", }; 123 static const char *mx51_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", }; 124 static const char *mx53_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", "pll4_sw", }; 125 static const char *spdif_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "spdif_xtal_sel", }; 126 static const char *spdif0_com_sel[] = { "spdif0_podf", "ssi1_root_gate", }; 127 static const char *mx51_spdif1_com_sel[] = { "spdif1_podf", "ssi2_root_gate", }; 128 static const char *step_sels[] = { "lp_apm", }; 129 static const char *cpu_podf_sels[] = { "pll1_sw", "step_sel" }; 130 static const char *ieee1588_sels[] = { "pll3_sw", "pll4_sw", "dummy" /* usbphy2_clk */, "dummy" /* fec_phy_clk */ }; 131 132 static struct clk *clk[IMX5_CLK_END]; 133 static struct clk_onecell_data clk_data; 134 135 static struct clk ** const uart_clks_mx51[] __initconst = { 136 &clk[IMX5_CLK_UART1_IPG_GATE], 137 &clk[IMX5_CLK_UART1_PER_GATE], 138 &clk[IMX5_CLK_UART2_IPG_GATE], 139 &clk[IMX5_CLK_UART2_PER_GATE], 140 &clk[IMX5_CLK_UART3_IPG_GATE], 141 &clk[IMX5_CLK_UART3_PER_GATE], 142 NULL 143 }; 144 145 static struct clk ** const uart_clks_mx50_mx53[] __initconst = { 146 &clk[IMX5_CLK_UART1_IPG_GATE], 147 &clk[IMX5_CLK_UART1_PER_GATE], 148 &clk[IMX5_CLK_UART2_IPG_GATE], 149 &clk[IMX5_CLK_UART2_PER_GATE], 150 &clk[IMX5_CLK_UART3_IPG_GATE], 151 &clk[IMX5_CLK_UART3_PER_GATE], 152 &clk[IMX5_CLK_UART4_IPG_GATE], 153 &clk[IMX5_CLK_UART4_PER_GATE], 154 &clk[IMX5_CLK_UART5_IPG_GATE], 155 &clk[IMX5_CLK_UART5_PER_GATE], 156 NULL 157 }; 158 159 static void __init mx5_clocks_common_init(void __iomem *ccm_base) 160 { 161 clk[IMX5_CLK_DUMMY] = imx_clk_fixed("dummy", 0); 162 clk[IMX5_CLK_CKIL] = imx_obtain_fixed_clock("ckil", 0); 163 clk[IMX5_CLK_OSC] = imx_obtain_fixed_clock("osc", 0); 164 clk[IMX5_CLK_CKIH1] = imx_obtain_fixed_clock("ckih1", 0); 165 clk[IMX5_CLK_CKIH2] = imx_obtain_fixed_clock("ckih2", 0); 166 167 clk[IMX5_CLK_PER_LP_APM] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCMR, 1, 1, 168 per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel)); 169 clk[IMX5_CLK_PER_PRED1] = imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6, 2); 170 clk[IMX5_CLK_PER_PRED2] = imx_clk_divider("per_pred2", "per_pred1", MXC_CCM_CBCDR, 3, 3); 171 clk[IMX5_CLK_PER_PODF] = imx_clk_divider("per_podf", "per_pred2", MXC_CCM_CBCDR, 0, 3); 172 clk[IMX5_CLK_PER_ROOT] = imx_clk_mux("per_root", MXC_CCM_CBCMR, 0, 1, 173 per_root_sel, ARRAY_SIZE(per_root_sel)); 174 clk[IMX5_CLK_AHB] = imx_clk_divider("ahb", "main_bus", MXC_CCM_CBCDR, 10, 3); 175 clk[IMX5_CLK_AHB_MAX] = imx_clk_gate2_flags("ahb_max", "ahb", MXC_CCM_CCGR0, 28, CLK_IS_CRITICAL); 176 clk[IMX5_CLK_AIPS_TZ1] = imx_clk_gate2_flags("aips_tz1", "ahb", MXC_CCM_CCGR0, 24, CLK_IS_CRITICAL); 177 clk[IMX5_CLK_AIPS_TZ2] = imx_clk_gate2_flags("aips_tz2", "ahb", MXC_CCM_CCGR0, 26, CLK_IS_CRITICAL); 178 clk[IMX5_CLK_TMAX1] = imx_clk_gate2_flags("tmax1", "ahb", MXC_CCM_CCGR1, 0, CLK_IS_CRITICAL); 179 clk[IMX5_CLK_TMAX2] = imx_clk_gate2_flags("tmax2", "ahb", MXC_CCM_CCGR1, 2, CLK_IS_CRITICAL); 180 clk[IMX5_CLK_TMAX3] = imx_clk_gate2_flags("tmax3", "ahb", MXC_CCM_CCGR1, 4, CLK_IS_CRITICAL); 181 clk[IMX5_CLK_SPBA] = imx_clk_gate2_flags("spba", "ipg", MXC_CCM_CCGR5, 0, CLK_IS_CRITICAL); 182 clk[IMX5_CLK_IPG] = imx_clk_divider("ipg", "ahb", MXC_CCM_CBCDR, 8, 2); 183 clk[IMX5_CLK_AXI_A] = imx_clk_divider("axi_a", "main_bus", MXC_CCM_CBCDR, 16, 3); 184 clk[IMX5_CLK_AXI_B] = imx_clk_divider("axi_b", "main_bus", MXC_CCM_CBCDR, 19, 3); 185 clk[IMX5_CLK_UART_SEL] = imx_clk_mux("uart_sel", MXC_CCM_CSCMR1, 24, 2, 186 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 187 clk[IMX5_CLK_UART_PRED] = imx_clk_divider("uart_pred", "uart_sel", MXC_CCM_CSCDR1, 3, 3); 188 clk[IMX5_CLK_UART_ROOT] = imx_clk_divider("uart_root", "uart_pred", MXC_CCM_CSCDR1, 0, 3); 189 190 clk[IMX5_CLK_ESDHC_A_PRED] = imx_clk_divider("esdhc_a_pred", "esdhc_a_sel", MXC_CCM_CSCDR1, 16, 3); 191 clk[IMX5_CLK_ESDHC_A_PODF] = imx_clk_divider("esdhc_a_podf", "esdhc_a_pred", MXC_CCM_CSCDR1, 11, 3); 192 clk[IMX5_CLK_ESDHC_B_PRED] = imx_clk_divider("esdhc_b_pred", "esdhc_b_sel", MXC_CCM_CSCDR1, 22, 3); 193 clk[IMX5_CLK_ESDHC_B_PODF] = imx_clk_divider("esdhc_b_podf", "esdhc_b_pred", MXC_CCM_CSCDR1, 19, 3); 194 195 clk[IMX5_CLK_EMI_SEL] = imx_clk_mux("emi_sel", MXC_CCM_CBCDR, 26, 1, 196 emi_slow_sel, ARRAY_SIZE(emi_slow_sel)); 197 clk[IMX5_CLK_EMI_SLOW_PODF] = imx_clk_divider("emi_slow_podf", "emi_sel", MXC_CCM_CBCDR, 22, 3); 198 clk[IMX5_CLK_NFC_PODF] = imx_clk_divider("nfc_podf", "emi_slow_podf", MXC_CCM_CBCDR, 13, 3); 199 clk[IMX5_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", MXC_CCM_CSCMR1, 4, 2, 200 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 201 clk[IMX5_CLK_ECSPI_PRED] = imx_clk_divider("ecspi_pred", "ecspi_sel", MXC_CCM_CSCDR2, 25, 3); 202 clk[IMX5_CLK_ECSPI_PODF] = imx_clk_divider("ecspi_podf", "ecspi_pred", MXC_CCM_CSCDR2, 19, 6); 203 clk[IMX5_CLK_USBOH3_SEL] = imx_clk_mux("usboh3_sel", MXC_CCM_CSCMR1, 22, 2, 204 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 205 clk[IMX5_CLK_USBOH3_PRED] = imx_clk_divider("usboh3_pred", "usboh3_sel", MXC_CCM_CSCDR1, 8, 3); 206 clk[IMX5_CLK_USBOH3_PODF] = imx_clk_divider("usboh3_podf", "usboh3_pred", MXC_CCM_CSCDR1, 6, 2); 207 clk[IMX5_CLK_USB_PHY_PRED] = imx_clk_divider("usb_phy_pred", "pll3_sw", MXC_CCM_CDCDR, 3, 3); 208 clk[IMX5_CLK_USB_PHY_PODF] = imx_clk_divider("usb_phy_podf", "usb_phy_pred", MXC_CCM_CDCDR, 0, 3); 209 clk[IMX5_CLK_USB_PHY_SEL] = imx_clk_mux("usb_phy_sel", MXC_CCM_CSCMR1, 26, 1, 210 usb_phy_sel_str, ARRAY_SIZE(usb_phy_sel_str)); 211 clk[IMX5_CLK_STEP_SEL] = imx_clk_mux("step_sel", MXC_CCM_CCSR, 7, 2, step_sels, ARRAY_SIZE(step_sels)); 212 clk[IMX5_CLK_CPU_PODF_SEL] = imx_clk_mux("cpu_podf_sel", MXC_CCM_CCSR, 2, 1, cpu_podf_sels, ARRAY_SIZE(cpu_podf_sels)); 213 clk[IMX5_CLK_CPU_PODF] = imx_clk_divider("cpu_podf", "cpu_podf_sel", MXC_CCM_CACRR, 0, 3); 214 clk[IMX5_CLK_DI_PRED] = imx_clk_divider("di_pred", "pll3_sw", MXC_CCM_CDCDR, 6, 3); 215 clk[IMX5_CLK_IIM_GATE] = imx_clk_gate2("iim_gate", "ipg", MXC_CCM_CCGR0, 30); 216 clk[IMX5_CLK_UART1_IPG_GATE] = imx_clk_gate2("uart1_ipg_gate", "ipg", MXC_CCM_CCGR1, 6); 217 clk[IMX5_CLK_UART1_PER_GATE] = imx_clk_gate2("uart1_per_gate", "uart_root", MXC_CCM_CCGR1, 8); 218 clk[IMX5_CLK_UART2_IPG_GATE] = imx_clk_gate2("uart2_ipg_gate", "ipg", MXC_CCM_CCGR1, 10); 219 clk[IMX5_CLK_UART2_PER_GATE] = imx_clk_gate2("uart2_per_gate", "uart_root", MXC_CCM_CCGR1, 12); 220 clk[IMX5_CLK_UART3_IPG_GATE] = imx_clk_gate2("uart3_ipg_gate", "ipg", MXC_CCM_CCGR1, 14); 221 clk[IMX5_CLK_UART3_PER_GATE] = imx_clk_gate2("uart3_per_gate", "uart_root", MXC_CCM_CCGR1, 16); 222 clk[IMX5_CLK_I2C1_GATE] = imx_clk_gate2("i2c1_gate", "per_root", MXC_CCM_CCGR1, 18); 223 clk[IMX5_CLK_I2C2_GATE] = imx_clk_gate2("i2c2_gate", "per_root", MXC_CCM_CCGR1, 20); 224 clk[IMX5_CLK_PWM1_IPG_GATE] = imx_clk_gate2("pwm1_ipg_gate", "ipg", MXC_CCM_CCGR2, 10); 225 clk[IMX5_CLK_PWM1_HF_GATE] = imx_clk_gate2("pwm1_hf_gate", "per_root", MXC_CCM_CCGR2, 12); 226 clk[IMX5_CLK_PWM2_IPG_GATE] = imx_clk_gate2("pwm2_ipg_gate", "ipg", MXC_CCM_CCGR2, 14); 227 clk[IMX5_CLK_PWM2_HF_GATE] = imx_clk_gate2("pwm2_hf_gate", "per_root", MXC_CCM_CCGR2, 16); 228 clk[IMX5_CLK_GPT_IPG_GATE] = imx_clk_gate2("gpt_ipg_gate", "ipg", MXC_CCM_CCGR2, 18); 229 clk[IMX5_CLK_GPT_HF_GATE] = imx_clk_gate2("gpt_hf_gate", "per_root", MXC_CCM_CCGR2, 20); 230 clk[IMX5_CLK_FEC_GATE] = imx_clk_gate2("fec_gate", "ipg", MXC_CCM_CCGR2, 24); 231 clk[IMX5_CLK_USBOH3_GATE] = imx_clk_gate2("usboh3_gate", "ipg", MXC_CCM_CCGR2, 26); 232 clk[IMX5_CLK_USBOH3_PER_GATE] = imx_clk_gate2("usboh3_per_gate", "usboh3_podf", MXC_CCM_CCGR2, 28); 233 clk[IMX5_CLK_ESDHC1_IPG_GATE] = imx_clk_gate2("esdhc1_ipg_gate", "ipg", MXC_CCM_CCGR3, 0); 234 clk[IMX5_CLK_ESDHC2_IPG_GATE] = imx_clk_gate2("esdhc2_ipg_gate", "ipg", MXC_CCM_CCGR3, 4); 235 clk[IMX5_CLK_ESDHC3_IPG_GATE] = imx_clk_gate2("esdhc3_ipg_gate", "ipg", MXC_CCM_CCGR3, 8); 236 clk[IMX5_CLK_ESDHC4_IPG_GATE] = imx_clk_gate2("esdhc4_ipg_gate", "ipg", MXC_CCM_CCGR3, 12); 237 clk[IMX5_CLK_SSI1_IPG_GATE] = imx_clk_gate2("ssi1_ipg_gate", "ipg", MXC_CCM_CCGR3, 16); 238 clk[IMX5_CLK_SSI2_IPG_GATE] = imx_clk_gate2("ssi2_ipg_gate", "ipg", MXC_CCM_CCGR3, 20); 239 clk[IMX5_CLK_SSI3_IPG_GATE] = imx_clk_gate2("ssi3_ipg_gate", "ipg", MXC_CCM_CCGR3, 24); 240 clk[IMX5_CLK_ECSPI1_IPG_GATE] = imx_clk_gate2("ecspi1_ipg_gate", "ipg", MXC_CCM_CCGR4, 18); 241 clk[IMX5_CLK_ECSPI1_PER_GATE] = imx_clk_gate2("ecspi1_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 20); 242 clk[IMX5_CLK_ECSPI2_IPG_GATE] = imx_clk_gate2("ecspi2_ipg_gate", "ipg", MXC_CCM_CCGR4, 22); 243 clk[IMX5_CLK_ECSPI2_PER_GATE] = imx_clk_gate2("ecspi2_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 24); 244 clk[IMX5_CLK_CSPI_IPG_GATE] = imx_clk_gate2("cspi_ipg_gate", "ipg", MXC_CCM_CCGR4, 26); 245 clk[IMX5_CLK_SDMA_GATE] = imx_clk_gate2("sdma_gate", "ipg", MXC_CCM_CCGR4, 30); 246 clk[IMX5_CLK_EMI_FAST_GATE] = imx_clk_gate2_flags("emi_fast_gate", "dummy", MXC_CCM_CCGR5, 14, CLK_IS_CRITICAL); 247 clk[IMX5_CLK_EMI_SLOW_GATE] = imx_clk_gate2_flags("emi_slow_gate", "emi_slow_podf", MXC_CCM_CCGR5, 16, CLK_IS_CRITICAL); 248 clk[IMX5_CLK_IPU_SEL] = imx_clk_mux("ipu_sel", MXC_CCM_CBCMR, 6, 2, ipu_sel, ARRAY_SIZE(ipu_sel)); 249 clk[IMX5_CLK_IPU_GATE] = imx_clk_gate2("ipu_gate", "ipu_sel", MXC_CCM_CCGR5, 10); 250 clk[IMX5_CLK_NFC_GATE] = imx_clk_gate2("nfc_gate", "nfc_podf", MXC_CCM_CCGR5, 20); 251 clk[IMX5_CLK_IPU_DI0_GATE] = imx_clk_gate2("ipu_di0_gate", "ipu_di0_sel", MXC_CCM_CCGR6, 10); 252 clk[IMX5_CLK_IPU_DI1_GATE] = imx_clk_gate2("ipu_di1_gate", "ipu_di1_sel", MXC_CCM_CCGR6, 12); 253 clk[IMX5_CLK_GPU3D_SEL] = imx_clk_mux("gpu3d_sel", MXC_CCM_CBCMR, 4, 2, gpu3d_sel, ARRAY_SIZE(gpu3d_sel)); 254 clk[IMX5_CLK_GPU2D_SEL] = imx_clk_mux("gpu2d_sel", MXC_CCM_CBCMR, 16, 2, gpu2d_sel, ARRAY_SIZE(gpu2d_sel)); 255 clk[IMX5_CLK_GPU3D_GATE] = imx_clk_gate2("gpu3d_gate", "gpu3d_sel", MXC_CCM_CCGR5, 2); 256 clk[IMX5_CLK_GARB_GATE] = imx_clk_gate2("garb_gate", "axi_a", MXC_CCM_CCGR5, 4); 257 clk[IMX5_CLK_GPU2D_GATE] = imx_clk_gate2("gpu2d_gate", "gpu2d_sel", MXC_CCM_CCGR6, 14); 258 clk[IMX5_CLK_VPU_SEL] = imx_clk_mux("vpu_sel", MXC_CCM_CBCMR, 14, 2, vpu_sel, ARRAY_SIZE(vpu_sel)); 259 clk[IMX5_CLK_VPU_GATE] = imx_clk_gate2("vpu_gate", "vpu_sel", MXC_CCM_CCGR5, 6); 260 clk[IMX5_CLK_VPU_REFERENCE_GATE] = imx_clk_gate2("vpu_reference_gate", "osc", MXC_CCM_CCGR5, 8); 261 clk[IMX5_CLK_GPC_DVFS] = imx_clk_gate2_flags("gpc_dvfs", "dummy", MXC_CCM_CCGR5, 24, CLK_IS_CRITICAL); 262 263 clk[IMX5_CLK_SSI_APM] = imx_clk_mux("ssi_apm", MXC_CCM_CSCMR1, 8, 2, ssi_apm_sels, ARRAY_SIZE(ssi_apm_sels)); 264 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)); 265 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)); 266 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)); 267 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)); 268 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)); 269 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)); 270 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)); 271 clk[IMX5_CLK_SSI1_ROOT_PRED] = imx_clk_divider("ssi1_root_pred", "ssi1_root_sel", MXC_CCM_CS1CDR, 6, 3); 272 clk[IMX5_CLK_SSI1_ROOT_PODF] = imx_clk_divider("ssi1_root_podf", "ssi1_root_pred", MXC_CCM_CS1CDR, 0, 6); 273 clk[IMX5_CLK_SSI2_ROOT_PRED] = imx_clk_divider("ssi2_root_pred", "ssi2_root_sel", MXC_CCM_CS2CDR, 6, 3); 274 clk[IMX5_CLK_SSI2_ROOT_PODF] = imx_clk_divider("ssi2_root_podf", "ssi2_root_pred", MXC_CCM_CS2CDR, 0, 6); 275 clk[IMX5_CLK_SSI_EXT1_PRED] = imx_clk_divider("ssi_ext1_pred", "ssi_ext1_sel", MXC_CCM_CS1CDR, 22, 3); 276 clk[IMX5_CLK_SSI_EXT1_PODF] = imx_clk_divider("ssi_ext1_podf", "ssi_ext1_pred", MXC_CCM_CS1CDR, 16, 6); 277 clk[IMX5_CLK_SSI_EXT2_PRED] = imx_clk_divider("ssi_ext2_pred", "ssi_ext2_sel", MXC_CCM_CS2CDR, 22, 3); 278 clk[IMX5_CLK_SSI_EXT2_PODF] = imx_clk_divider("ssi_ext2_podf", "ssi_ext2_pred", MXC_CCM_CS2CDR, 16, 6); 279 clk[IMX5_CLK_SSI1_ROOT_GATE] = imx_clk_gate2("ssi1_root_gate", "ssi1_root_podf", MXC_CCM_CCGR3, 18); 280 clk[IMX5_CLK_SSI2_ROOT_GATE] = imx_clk_gate2("ssi2_root_gate", "ssi2_root_podf", MXC_CCM_CCGR3, 22); 281 clk[IMX5_CLK_SSI3_ROOT_GATE] = imx_clk_gate2("ssi3_root_gate", "ssi3_root_sel", MXC_CCM_CCGR3, 26); 282 clk[IMX5_CLK_SSI_EXT1_GATE] = imx_clk_gate2("ssi_ext1_gate", "ssi_ext1_com_sel", MXC_CCM_CCGR3, 28); 283 clk[IMX5_CLK_SSI_EXT2_GATE] = imx_clk_gate2("ssi_ext2_gate", "ssi_ext2_com_sel", MXC_CCM_CCGR3, 30); 284 clk[IMX5_CLK_EPIT1_IPG_GATE] = imx_clk_gate2("epit1_ipg_gate", "ipg", MXC_CCM_CCGR2, 2); 285 clk[IMX5_CLK_EPIT1_HF_GATE] = imx_clk_gate2("epit1_hf_gate", "per_root", MXC_CCM_CCGR2, 4); 286 clk[IMX5_CLK_EPIT2_IPG_GATE] = imx_clk_gate2("epit2_ipg_gate", "ipg", MXC_CCM_CCGR2, 6); 287 clk[IMX5_CLK_EPIT2_HF_GATE] = imx_clk_gate2("epit2_hf_gate", "per_root", MXC_CCM_CCGR2, 8); 288 clk[IMX5_CLK_OWIRE_GATE] = imx_clk_gate2("owire_gate", "per_root", MXC_CCM_CCGR2, 22); 289 clk[IMX5_CLK_SRTC_GATE] = imx_clk_gate2("srtc_gate", "per_root", MXC_CCM_CCGR4, 28); 290 clk[IMX5_CLK_PATA_GATE] = imx_clk_gate2("pata_gate", "ipg", MXC_CCM_CCGR4, 0); 291 clk[IMX5_CLK_SPDIF0_SEL] = imx_clk_mux("spdif0_sel", MXC_CCM_CSCMR2, 0, 2, spdif_sel, ARRAY_SIZE(spdif_sel)); 292 clk[IMX5_CLK_SPDIF0_PRED] = imx_clk_divider("spdif0_pred", "spdif0_sel", MXC_CCM_CDCDR, 25, 3); 293 clk[IMX5_CLK_SPDIF0_PODF] = imx_clk_divider("spdif0_podf", "spdif0_pred", MXC_CCM_CDCDR, 19, 6); 294 clk[IMX5_CLK_SPDIF0_COM_SEL] = imx_clk_mux_flags("spdif0_com_sel", MXC_CCM_CSCMR2, 4, 1, 295 spdif0_com_sel, ARRAY_SIZE(spdif0_com_sel), CLK_SET_RATE_PARENT); 296 clk[IMX5_CLK_SPDIF0_GATE] = imx_clk_gate2("spdif0_gate", "spdif0_com_sel", MXC_CCM_CCGR5, 26); 297 clk[IMX5_CLK_SPDIF_IPG_GATE] = imx_clk_gate2("spdif_ipg_gate", "ipg", MXC_CCM_CCGR5, 30); 298 clk[IMX5_CLK_SAHARA_IPG_GATE] = imx_clk_gate2("sahara_ipg_gate", "ipg", MXC_CCM_CCGR4, 14); 299 clk[IMX5_CLK_SATA_REF] = imx_clk_fixed_factor("sata_ref", "usb_phy1_gate", 1, 1); 300 301 clk_register_clkdev(clk[IMX5_CLK_CPU_PODF], NULL, "cpu0"); 302 clk_register_clkdev(clk[IMX5_CLK_GPC_DVFS], "gpc_dvfs", NULL); 303 304 /* move usb phy clk to 24MHz */ 305 clk_set_parent(clk[IMX5_CLK_USB_PHY_SEL], clk[IMX5_CLK_OSC]); 306 } 307 308 static void __init mx50_clocks_init(struct device_node *np) 309 { 310 void __iomem *ccm_base; 311 void __iomem *pll_base; 312 unsigned long r; 313 314 pll_base = ioremap(MX53_DPLL1_BASE, SZ_16K); 315 WARN_ON(!pll_base); 316 clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", pll_base); 317 318 pll_base = ioremap(MX53_DPLL2_BASE, SZ_16K); 319 WARN_ON(!pll_base); 320 clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", pll_base); 321 322 pll_base = ioremap(MX53_DPLL3_BASE, SZ_16K); 323 WARN_ON(!pll_base); 324 clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", pll_base); 325 326 ccm_base = of_iomap(np, 0); 327 WARN_ON(!ccm_base); 328 329 mx5_clocks_common_init(ccm_base); 330 331 /* 332 * This clock is called periph_clk in the i.MX50 Reference Manual, but 333 * it comes closest in scope to the main_bus_clk of i.MX51 and i.MX53 334 */ 335 clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 2, 336 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 337 338 clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1, 339 lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); 340 clk[IMX5_CLK_ESDHC_A_SEL] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 21, 2, 341 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 342 clk[IMX5_CLK_ESDHC_B_SEL] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2, 343 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 344 clk[IMX5_CLK_ESDHC_C_SEL] = imx_clk_mux("esdhc_c_sel", MXC_CCM_CSCMR1, 20, 1, esdhc_c_sel, ARRAY_SIZE(esdhc_c_sel)); 345 clk[IMX5_CLK_ESDHC_D_SEL] = imx_clk_mux("esdhc_d_sel", MXC_CCM_CSCMR1, 19, 1, esdhc_d_sel, ARRAY_SIZE(esdhc_d_sel)); 346 clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2); 347 clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6); 348 clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10); 349 clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14); 350 clk[IMX5_CLK_USB_PHY1_GATE] = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10); 351 clk[IMX5_CLK_USB_PHY2_GATE] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12); 352 clk[IMX5_CLK_I2C3_GATE] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22); 353 clk[IMX5_CLK_UART4_IPG_GATE] = imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, 8); 354 clk[IMX5_CLK_UART4_PER_GATE] = imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_CCGR7, 10); 355 clk[IMX5_CLK_UART5_IPG_GATE] = imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, 12); 356 clk[IMX5_CLK_UART5_PER_GATE] = imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_CCGR7, 14); 357 358 clk[IMX5_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4, 359 mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel)); 360 clk[IMX5_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3); 361 clk[IMX5_CLK_CKO1] = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7); 362 363 clk[IMX5_CLK_CKO2_SEL] = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5, 364 mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel)); 365 clk[IMX5_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3); 366 clk[IMX5_CLK_CKO2] = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24); 367 368 imx_check_clocks(clk, ARRAY_SIZE(clk)); 369 370 clk_data.clks = clk; 371 clk_data.clk_num = ARRAY_SIZE(clk); 372 of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); 373 374 /* Set SDHC parents to be PLL2 */ 375 clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]); 376 clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]); 377 378 /* set SDHC root clock to 200MHZ*/ 379 clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000); 380 clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000); 381 382 clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]); 383 imx_print_silicon_rev("i.MX50", IMX_CHIP_REVISION_1_1); 384 clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]); 385 386 r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000); 387 clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r); 388 389 imx_register_uart_clocks(uart_clks_mx50_mx53); 390 } 391 CLK_OF_DECLARE(imx50_ccm, "fsl,imx50-ccm", mx50_clocks_init); 392 393 static void __init mx51_clocks_init(struct device_node *np) 394 { 395 void __iomem *ccm_base; 396 void __iomem *pll_base; 397 u32 val; 398 399 pll_base = ioremap(MX51_DPLL1_BASE, SZ_16K); 400 WARN_ON(!pll_base); 401 clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", pll_base); 402 403 pll_base = ioremap(MX51_DPLL2_BASE, SZ_16K); 404 WARN_ON(!pll_base); 405 clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", pll_base); 406 407 pll_base = ioremap(MX51_DPLL3_BASE, SZ_16K); 408 WARN_ON(!pll_base); 409 clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", pll_base); 410 411 ccm_base = of_iomap(np, 0); 412 WARN_ON(!ccm_base); 413 414 mx5_clocks_common_init(ccm_base); 415 416 clk[IMX5_CLK_PERIPH_APM] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2, 417 periph_apm_sel, ARRAY_SIZE(periph_apm_sel)); 418 clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1, 419 main_bus_sel, ARRAY_SIZE(main_bus_sel)); 420 clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 9, 1, 421 lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); 422 clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux_flags("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3, 423 mx51_ipu_di0_sel, ARRAY_SIZE(mx51_ipu_di0_sel), CLK_SET_RATE_PARENT); 424 clk[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux_flags("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3, 425 mx51_ipu_di1_sel, ARRAY_SIZE(mx51_ipu_di1_sel), CLK_SET_RATE_PARENT); 426 clk[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1, 427 mx51_tve_ext_sel, ARRAY_SIZE(mx51_tve_ext_sel), CLK_SET_RATE_PARENT); 428 clk[IMX5_CLK_TVE_SEL] = imx_clk_mux("tve_sel", MXC_CCM_CSCMR1, 7, 1, 429 mx51_tve_sel, ARRAY_SIZE(mx51_tve_sel)); 430 clk[IMX5_CLK_TVE_GATE] = imx_clk_gate2("tve_gate", "tve_sel", MXC_CCM_CCGR2, 30); 431 clk[IMX5_CLK_TVE_PRED] = imx_clk_divider("tve_pred", "pll3_sw", MXC_CCM_CDCDR, 28, 3); 432 clk[IMX5_CLK_ESDHC_A_SEL] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2, 433 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 434 clk[IMX5_CLK_ESDHC_B_SEL] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2, 435 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 436 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)); 437 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)); 438 clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2); 439 clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 6); 440 clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 10); 441 clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14); 442 clk[IMX5_CLK_USB_PHY_GATE] = imx_clk_gate2("usb_phy_gate", "usb_phy_sel", MXC_CCM_CCGR2, 0); 443 clk[IMX5_CLK_HSI2C_GATE] = imx_clk_gate2("hsi2c_gate", "ipg", MXC_CCM_CCGR1, 22); 444 clk[IMX5_CLK_SCC2_IPG_GATE] = imx_clk_gate2("scc2_gate", "ipg", MXC_CCM_CCGR1, 30); 445 clk[IMX5_CLK_MIPI_HSC1_GATE] = imx_clk_gate2_flags("mipi_hsc1_gate", "ipg", MXC_CCM_CCGR4, 6, CLK_IS_CRITICAL); 446 clk[IMX5_CLK_MIPI_HSC2_GATE] = imx_clk_gate2_flags("mipi_hsc2_gate", "ipg", MXC_CCM_CCGR4, 8, CLK_IS_CRITICAL); 447 clk[IMX5_CLK_MIPI_ESC_GATE] = imx_clk_gate2_flags("mipi_esc_gate", "ipg", MXC_CCM_CCGR4, 10, CLK_IS_CRITICAL); 448 clk[IMX5_CLK_MIPI_HSP_GATE] = imx_clk_gate2_flags("mipi_hsp_gate", "ipg", MXC_CCM_CCGR4, 12, CLK_IS_CRITICAL); 449 clk[IMX5_CLK_SPDIF_XTAL_SEL] = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2, 450 mx51_spdif_xtal_sel, ARRAY_SIZE(mx51_spdif_xtal_sel)); 451 clk[IMX5_CLK_SPDIF1_SEL] = imx_clk_mux("spdif1_sel", MXC_CCM_CSCMR2, 2, 2, 452 spdif_sel, ARRAY_SIZE(spdif_sel)); 453 clk[IMX5_CLK_SPDIF1_PRED] = imx_clk_divider("spdif1_pred", "spdif1_sel", MXC_CCM_CDCDR, 16, 3); 454 clk[IMX5_CLK_SPDIF1_PODF] = imx_clk_divider("spdif1_podf", "spdif1_pred", MXC_CCM_CDCDR, 9, 6); 455 clk[IMX5_CLK_SPDIF1_COM_SEL] = imx_clk_mux("spdif1_com_sel", MXC_CCM_CSCMR2, 5, 1, 456 mx51_spdif1_com_sel, ARRAY_SIZE(mx51_spdif1_com_sel)); 457 clk[IMX5_CLK_SPDIF1_GATE] = imx_clk_gate2("spdif1_gate", "spdif1_com_sel", MXC_CCM_CCGR5, 28); 458 459 imx_check_clocks(clk, ARRAY_SIZE(clk)); 460 461 clk_data.clks = clk; 462 clk_data.clk_num = ARRAY_SIZE(clk); 463 of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); 464 465 /* set the usboh3 parent to pll2_sw */ 466 clk_set_parent(clk[IMX5_CLK_USBOH3_SEL], clk[IMX5_CLK_PLL2_SW]); 467 468 /* Set SDHC parents to be PLL2 */ 469 clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]); 470 clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]); 471 472 /* set SDHC root clock to 166.25MHZ*/ 473 clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 166250000); 474 clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 166250000); 475 476 clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]); 477 imx_print_silicon_rev("i.MX51", mx51_revision()); 478 clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]); 479 480 /* 481 * Reference Manual says: Functionality of CCDR[18] and CLPCR[23] is no 482 * longer supported. Set to one for better power saving. 483 * 484 * The effect of not setting these bits is that MIPI clocks can't be 485 * enabled without the IPU clock being enabled aswell. 486 */ 487 val = readl(MXC_CCM_CCDR); 488 val |= 1 << 18; 489 writel(val, MXC_CCM_CCDR); 490 491 val = readl(MXC_CCM_CLPCR); 492 val |= 1 << 23; 493 writel(val, MXC_CCM_CLPCR); 494 495 imx_register_uart_clocks(uart_clks_mx51); 496 } 497 CLK_OF_DECLARE(imx51_ccm, "fsl,imx51-ccm", mx51_clocks_init); 498 499 static void __init mx53_clocks_init(struct device_node *np) 500 { 501 void __iomem *ccm_base; 502 void __iomem *pll_base; 503 unsigned long r; 504 505 pll_base = ioremap(MX53_DPLL1_BASE, SZ_16K); 506 WARN_ON(!pll_base); 507 clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", pll_base); 508 509 pll_base = ioremap(MX53_DPLL2_BASE, SZ_16K); 510 WARN_ON(!pll_base); 511 clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", pll_base); 512 513 pll_base = ioremap(MX53_DPLL3_BASE, SZ_16K); 514 WARN_ON(!pll_base); 515 clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", pll_base); 516 517 pll_base = ioremap(MX53_DPLL4_BASE, SZ_16K); 518 WARN_ON(!pll_base); 519 clk[IMX5_CLK_PLL4_SW] = imx_clk_pllv2("pll4_sw", "osc", pll_base); 520 521 ccm_base = of_iomap(np, 0); 522 WARN_ON(!ccm_base); 523 524 mx5_clocks_common_init(ccm_base); 525 526 clk[IMX5_CLK_PERIPH_APM] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2, 527 periph_apm_sel, ARRAY_SIZE(periph_apm_sel)); 528 clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1, 529 main_bus_sel, ARRAY_SIZE(main_bus_sel)); 530 clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1, 531 lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); 532 clk[IMX5_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7); 533 clk[IMX5_CLK_LDB_DI1_DIV] = imx_clk_divider_flags("ldb_di1_div", "ldb_di1_div_3_5", MXC_CCM_CSCMR2, 11, 1, 0); 534 clk[IMX5_CLK_LDB_DI1_SEL] = imx_clk_mux_flags("ldb_di1_sel", MXC_CCM_CSCMR2, 9, 1, 535 mx53_ldb_di1_sel, ARRAY_SIZE(mx53_ldb_di1_sel), CLK_SET_RATE_PARENT); 536 clk[IMX5_CLK_DI_PLL4_PODF] = imx_clk_divider("di_pll4_podf", "pll4_sw", MXC_CCM_CDCDR, 16, 3); 537 clk[IMX5_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7); 538 clk[IMX5_CLK_LDB_DI0_DIV] = imx_clk_divider_flags("ldb_di0_div", "ldb_di0_div_3_5", MXC_CCM_CSCMR2, 10, 1, 0); 539 clk[IMX5_CLK_LDB_DI0_SEL] = imx_clk_mux_flags("ldb_di0_sel", MXC_CCM_CSCMR2, 8, 1, 540 mx53_ldb_di0_sel, ARRAY_SIZE(mx53_ldb_di0_sel), CLK_SET_RATE_PARENT); 541 clk[IMX5_CLK_LDB_DI0_GATE] = imx_clk_gate2("ldb_di0_gate", "ldb_di0_div", MXC_CCM_CCGR6, 28); 542 clk[IMX5_CLK_LDB_DI1_GATE] = imx_clk_gate2("ldb_di1_gate", "ldb_di1_div", MXC_CCM_CCGR6, 30); 543 clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux_flags("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3, 544 mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel), CLK_SET_RATE_PARENT); 545 clk[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux_flags("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3, 546 mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel), CLK_SET_RATE_PARENT); 547 clk[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1, 548 mx53_tve_ext_sel, ARRAY_SIZE(mx53_tve_ext_sel), CLK_SET_RATE_PARENT); 549 clk[IMX5_CLK_TVE_GATE] = imx_clk_gate2("tve_gate", "tve_pred", MXC_CCM_CCGR2, 30); 550 clk[IMX5_CLK_TVE_PRED] = imx_clk_divider("tve_pred", "tve_ext_sel", MXC_CCM_CDCDR, 28, 3); 551 clk[IMX5_CLK_ESDHC_A_SEL] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2, 552 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 553 clk[IMX5_CLK_ESDHC_B_SEL] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2, 554 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 555 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)); 556 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)); 557 clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2); 558 clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6); 559 clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10); 560 clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14); 561 clk[IMX5_CLK_USB_PHY1_GATE] = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10); 562 clk[IMX5_CLK_USB_PHY2_GATE] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12); 563 clk[IMX5_CLK_CAN_SEL] = imx_clk_mux("can_sel", MXC_CCM_CSCMR2, 6, 2, 564 mx53_can_sel, ARRAY_SIZE(mx53_can_sel)); 565 clk[IMX5_CLK_CAN1_SERIAL_GATE] = imx_clk_gate2("can1_serial_gate", "can_sel", MXC_CCM_CCGR6, 22); 566 clk[IMX5_CLK_CAN1_IPG_GATE] = imx_clk_gate2("can1_ipg_gate", "ipg", MXC_CCM_CCGR6, 20); 567 clk[IMX5_CLK_OCRAM] = imx_clk_gate2("ocram", "ahb", MXC_CCM_CCGR6, 2); 568 clk[IMX5_CLK_CAN2_SERIAL_GATE] = imx_clk_gate2("can2_serial_gate", "can_sel", MXC_CCM_CCGR4, 8); 569 clk[IMX5_CLK_CAN2_IPG_GATE] = imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 6); 570 clk[IMX5_CLK_I2C3_GATE] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22); 571 clk[IMX5_CLK_SATA_GATE] = imx_clk_gate2("sata_gate", "ipg", MXC_CCM_CCGR4, 2); 572 573 clk[IMX5_CLK_FIRI_SEL] = imx_clk_mux("firi_sel", MXC_CCM_CSCMR2, 12, 2, 574 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 575 clk[IMX5_CLK_FIRI_PRED] = imx_clk_divider("firi_pred", "firi_sel", MXC_CCM_CSCDR3, 6, 3); 576 clk[IMX5_CLK_FIRI_PODF] = imx_clk_divider("firi_podf", "firi_pred", MXC_CCM_CSCDR3, 0, 6); 577 clk[IMX5_CLK_FIRI_SERIAL_GATE] = imx_clk_gate2("firi_serial_gate", "firi_podf", MXC_CCM_CCGR1, 28); 578 clk[IMX5_CLK_FIRI_IPG_GATE] = imx_clk_gate2("firi_ipg_gate", "ipg", MXC_CCM_CCGR1, 26); 579 580 clk[IMX5_CLK_CSI0_MCLK1_SEL] = imx_clk_mux("csi0_mclk1_sel", MXC_CCM_CSCMR2, 22, 2, 581 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 582 clk[IMX5_CLK_CSI0_MCLK1_PRED] = imx_clk_divider("csi0_mclk1_pred", "csi0_mclk1_sel", MXC_CCM_CSCDR4, 6, 3); 583 clk[IMX5_CLK_CSI0_MCLK1_PODF] = imx_clk_divider("csi0_mclk1_podf", "csi0_mclk1_pred", MXC_CCM_CSCDR4, 0, 6); 584 clk[IMX5_CLK_CSI0_MCLK1_GATE] = imx_clk_gate2("csi0_mclk1_serial_gate", "csi0_mclk1_podf", MXC_CCM_CCGR6, 4); 585 586 clk[IMX5_CLK_IEEE1588_SEL] = imx_clk_mux("ieee1588_sel", MXC_CCM_CSCMR2, 14, 2, 587 ieee1588_sels, ARRAY_SIZE(ieee1588_sels)); 588 clk[IMX5_CLK_IEEE1588_PRED] = imx_clk_divider("ieee1588_pred", "ieee1588_sel", MXC_CCM_CSCDR2, 6, 3); 589 clk[IMX5_CLK_IEEE1588_PODF] = imx_clk_divider("ieee1588_podf", "ieee1588_pred", MXC_CCM_CSCDR2, 0, 6); 590 clk[IMX5_CLK_IEEE1588_GATE] = imx_clk_gate2("ieee1588_serial_gate", "ieee1588_podf", MXC_CCM_CCGR7, 6); 591 clk[IMX5_CLK_UART4_IPG_GATE] = imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, 8); 592 clk[IMX5_CLK_UART4_PER_GATE] = imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_CCGR7, 10); 593 clk[IMX5_CLK_UART5_IPG_GATE] = imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, 12); 594 clk[IMX5_CLK_UART5_PER_GATE] = imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_CCGR7, 14); 595 596 clk[IMX5_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4, 597 mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel)); 598 clk[IMX5_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3); 599 clk[IMX5_CLK_CKO1] = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7); 600 601 clk[IMX5_CLK_CKO2_SEL] = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5, 602 mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel)); 603 clk[IMX5_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3); 604 clk[IMX5_CLK_CKO2] = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24); 605 clk[IMX5_CLK_SPDIF_XTAL_SEL] = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2, 606 mx53_spdif_xtal_sel, ARRAY_SIZE(mx53_spdif_xtal_sel)); 607 clk[IMX5_CLK_ARM] = imx_clk_cpu("arm", "cpu_podf", 608 clk[IMX5_CLK_CPU_PODF], 609 clk[IMX5_CLK_CPU_PODF_SEL], 610 clk[IMX5_CLK_PLL1_SW], 611 clk[IMX5_CLK_STEP_SEL]); 612 613 imx_check_clocks(clk, ARRAY_SIZE(clk)); 614 615 clk_data.clks = clk; 616 clk_data.clk_num = ARRAY_SIZE(clk); 617 of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); 618 619 /* Set SDHC parents to be PLL2 */ 620 clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]); 621 clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]); 622 623 /* set SDHC root clock to 200MHZ*/ 624 clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000); 625 clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000); 626 627 /* move can bus clk to 24MHz */ 628 clk_set_parent(clk[IMX5_CLK_CAN_SEL], clk[IMX5_CLK_LP_APM]); 629 630 /* make sure step clock is running from 24MHz */ 631 clk_set_parent(clk[IMX5_CLK_STEP_SEL], clk[IMX5_CLK_LP_APM]); 632 633 clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]); 634 imx_print_silicon_rev("i.MX53", mx53_revision()); 635 clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]); 636 637 r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000); 638 clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r); 639 640 imx_register_uart_clocks(uart_clks_mx50_mx53); 641 } 642 CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init); 643