clk-imx5.c (36346B)
1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (C) 2011 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> 4 */ 5#include <linux/mm.h> 6#include <linux/delay.h> 7#include <linux/clk.h> 8#include <linux/io.h> 9#include <linux/clkdev.h> 10#include <linux/clk-provider.h> 11#include <linux/err.h> 12#include <linux/of.h> 13#include <linux/of_address.h> 14#include <linux/of_irq.h> 15#include <linux/sizes.h> 16#include <soc/imx/revision.h> 17#include <dt-bindings/clock/imx5-clock.h> 18 19#include "clk.h" 20 21#define MX51_DPLL1_BASE 0x83f80000 22#define MX51_DPLL2_BASE 0x83f84000 23#define MX51_DPLL3_BASE 0x83f88000 24 25#define MX53_DPLL1_BASE 0x63f80000 26#define MX53_DPLL2_BASE 0x63f84000 27#define MX53_DPLL3_BASE 0x63f88000 28#define MX53_DPLL4_BASE 0x63f8c000 29 30#define MXC_CCM_CCR (ccm_base + 0x00) 31#define MXC_CCM_CCDR (ccm_base + 0x04) 32#define MXC_CCM_CSR (ccm_base + 0x08) 33#define MXC_CCM_CCSR (ccm_base + 0x0c) 34#define MXC_CCM_CACRR (ccm_base + 0x10) 35#define MXC_CCM_CBCDR (ccm_base + 0x14) 36#define MXC_CCM_CBCMR (ccm_base + 0x18) 37#define MXC_CCM_CSCMR1 (ccm_base + 0x1c) 38#define MXC_CCM_CSCMR2 (ccm_base + 0x20) 39#define MXC_CCM_CSCDR1 (ccm_base + 0x24) 40#define MXC_CCM_CS1CDR (ccm_base + 0x28) 41#define MXC_CCM_CS2CDR (ccm_base + 0x2c) 42#define MXC_CCM_CDCDR (ccm_base + 0x30) 43#define MXC_CCM_CHSCDR (ccm_base + 0x34) 44#define MXC_CCM_CSCDR2 (ccm_base + 0x38) 45#define MXC_CCM_CSCDR3 (ccm_base + 0x3c) 46#define MXC_CCM_CSCDR4 (ccm_base + 0x40) 47#define MXC_CCM_CWDR (ccm_base + 0x44) 48#define MXC_CCM_CDHIPR (ccm_base + 0x48) 49#define MXC_CCM_CDCR (ccm_base + 0x4c) 50#define MXC_CCM_CTOR (ccm_base + 0x50) 51#define MXC_CCM_CLPCR (ccm_base + 0x54) 52#define MXC_CCM_CISR (ccm_base + 0x58) 53#define MXC_CCM_CIMR (ccm_base + 0x5c) 54#define MXC_CCM_CCOSR (ccm_base + 0x60) 55#define MXC_CCM_CGPR (ccm_base + 0x64) 56#define MXC_CCM_CCGR0 (ccm_base + 0x68) 57#define MXC_CCM_CCGR1 (ccm_base + 0x6c) 58#define MXC_CCM_CCGR2 (ccm_base + 0x70) 59#define MXC_CCM_CCGR3 (ccm_base + 0x74) 60#define MXC_CCM_CCGR4 (ccm_base + 0x78) 61#define MXC_CCM_CCGR5 (ccm_base + 0x7c) 62#define MXC_CCM_CCGR6 (ccm_base + 0x80) 63#define MXC_CCM_CCGR7 (ccm_base + 0x84) 64 65/* Low-power Audio Playback Mode clock */ 66static const char *lp_apm_sel[] = { "osc", }; 67 68/* This is used multiple times */ 69static const char *standard_pll_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "lp_apm", }; 70static const char *periph_apm_sel[] = { "pll1_sw", "pll3_sw", "lp_apm", }; 71static const char *main_bus_sel[] = { "pll2_sw", "periph_apm", }; 72static const char *per_lp_apm_sel[] = { "main_bus", "lp_apm", }; 73static const char *per_root_sel[] = { "per_podf", "ipg", }; 74static const char *esdhc_c_sel[] = { "esdhc_a_podf", "esdhc_b_podf", }; 75static const char *esdhc_d_sel[] = { "esdhc_a_podf", "esdhc_b_podf", }; 76static const char *ssi_apm_sels[] = { "ckih1", "lp_amp", "ckih2", }; 77static const char *ssi_clk_sels[] = { "pll1_sw", "pll2_sw", "pll3_sw", "ssi_apm", }; 78static const char *ssi3_clk_sels[] = { "ssi1_root_gate", "ssi2_root_gate", }; 79static const char *ssi_ext1_com_sels[] = { "ssi_ext1_podf", "ssi1_root_gate", }; 80static const char *ssi_ext2_com_sels[] = { "ssi_ext2_podf", "ssi2_root_gate", }; 81static const char *emi_slow_sel[] = { "main_bus", "ahb", }; 82static const char *usb_phy_sel_str[] = { "osc", "usb_phy_podf", }; 83static const char *mx51_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "tve_di", }; 84static const char *mx53_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "di_pll4_podf", "dummy", "ldb_di0_gate", }; 85static const char *mx53_ldb_di0_sel[] = { "pll3_sw", "pll4_sw", }; 86static const char *mx51_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", }; 87static const char *mx53_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", "ldb_di1_gate", }; 88static const char *mx53_ldb_di1_sel[] = { "pll3_sw", "pll4_sw", }; 89static const char *mx51_tve_ext_sel[] = { "osc", "ckih1", }; 90static const char *mx53_tve_ext_sel[] = { "pll4_sw", "ckih1", }; 91static const char *mx51_tve_sel[] = { "tve_pred", "tve_ext_sel", }; 92static const char *ipu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", }; 93static const char *gpu3d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" }; 94static const char *gpu2d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" }; 95static const char *vpu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", }; 96static const char *mx53_can_sel[] = { "ipg", "ckih1", "ckih2", "lp_apm", }; 97static const char *mx53_cko1_sel[] = { 98 "cpu_podf", "pll1_sw", "pll2_sw", "pll3_sw", 99 "emi_slow_podf", "pll4_sw", "nfc_podf", "dummy", 100 "di_pred", "dummy", "dummy", "ahb", 101 "ipg", "per_root", "ckil", "dummy",}; 102static const char *mx53_cko2_sel[] = { 103 "dummy"/* dptc_core */, "dummy"/* dptc_perich */, 104 "dummy", "esdhc_a_podf", 105 "usboh3_podf", "dummy"/* wrck_clk_root */, 106 "ecspi_podf", "dummy"/* pll1_ref_clk */, 107 "esdhc_b_podf", "dummy"/* ddr_clk_root */, 108 "dummy"/* arm_axi_clk_root */, "dummy"/* usb_phy_out */, 109 "vpu_sel", "ipu_sel", 110 "osc", "ckih1", 111 "dummy", "esdhc_c_sel", 112 "ssi1_root_podf", "ssi2_root_podf", 113 "dummy", "dummy", 114 "dummy"/* lpsr_clk_root */, "dummy"/* pgc_clk_root */, 115 "dummy"/* tve_out */, "usb_phy_sel", 116 "tve_sel", "lp_apm", 117 "uart_root", "dummy"/* spdif0_clk_root */, 118 "dummy", "dummy", }; 119static const char *mx51_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", }; 120static const char *mx53_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", "pll4_sw", }; 121static const char *spdif_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "spdif_xtal_sel", }; 122static const char *spdif0_com_sel[] = { "spdif0_podf", "ssi1_root_gate", }; 123static const char *mx51_spdif1_com_sel[] = { "spdif1_podf", "ssi2_root_gate", }; 124static const char *step_sels[] = { "lp_apm", }; 125static const char *cpu_podf_sels[] = { "pll1_sw", "step_sel" }; 126static const char *ieee1588_sels[] = { "pll3_sw", "pll4_sw", "dummy" /* usbphy2_clk */, "dummy" /* fec_phy_clk */ }; 127 128static struct clk *clk[IMX5_CLK_END]; 129static struct clk_onecell_data clk_data; 130 131static void __init mx5_clocks_common_init(void __iomem *ccm_base) 132{ 133 clk[IMX5_CLK_DUMMY] = imx_clk_fixed("dummy", 0); 134 clk[IMX5_CLK_CKIL] = imx_obtain_fixed_clock("ckil", 0); 135 clk[IMX5_CLK_OSC] = imx_obtain_fixed_clock("osc", 0); 136 clk[IMX5_CLK_CKIH1] = imx_obtain_fixed_clock("ckih1", 0); 137 clk[IMX5_CLK_CKIH2] = imx_obtain_fixed_clock("ckih2", 0); 138 139 clk[IMX5_CLK_PER_LP_APM] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCMR, 1, 1, 140 per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel)); 141 clk[IMX5_CLK_PER_PRED1] = imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6, 2); 142 clk[IMX5_CLK_PER_PRED2] = imx_clk_divider("per_pred2", "per_pred1", MXC_CCM_CBCDR, 3, 3); 143 clk[IMX5_CLK_PER_PODF] = imx_clk_divider("per_podf", "per_pred2", MXC_CCM_CBCDR, 0, 3); 144 clk[IMX5_CLK_PER_ROOT] = imx_clk_mux("per_root", MXC_CCM_CBCMR, 0, 1, 145 per_root_sel, ARRAY_SIZE(per_root_sel)); 146 clk[IMX5_CLK_AHB] = imx_clk_divider("ahb", "main_bus", MXC_CCM_CBCDR, 10, 3); 147 clk[IMX5_CLK_AHB_MAX] = imx_clk_gate2_flags("ahb_max", "ahb", MXC_CCM_CCGR0, 28, CLK_IS_CRITICAL); 148 clk[IMX5_CLK_AIPS_TZ1] = imx_clk_gate2_flags("aips_tz1", "ahb", MXC_CCM_CCGR0, 24, CLK_IS_CRITICAL); 149 clk[IMX5_CLK_AIPS_TZ2] = imx_clk_gate2_flags("aips_tz2", "ahb", MXC_CCM_CCGR0, 26, CLK_IS_CRITICAL); 150 clk[IMX5_CLK_TMAX1] = imx_clk_gate2_flags("tmax1", "ahb", MXC_CCM_CCGR1, 0, CLK_IS_CRITICAL); 151 clk[IMX5_CLK_TMAX2] = imx_clk_gate2_flags("tmax2", "ahb", MXC_CCM_CCGR1, 2, CLK_IS_CRITICAL); 152 clk[IMX5_CLK_TMAX3] = imx_clk_gate2_flags("tmax3", "ahb", MXC_CCM_CCGR1, 4, CLK_IS_CRITICAL); 153 clk[IMX5_CLK_SPBA] = imx_clk_gate2_flags("spba", "ipg", MXC_CCM_CCGR5, 0, CLK_IS_CRITICAL); 154 clk[IMX5_CLK_IPG] = imx_clk_divider("ipg", "ahb", MXC_CCM_CBCDR, 8, 2); 155 clk[IMX5_CLK_AXI_A] = imx_clk_divider("axi_a", "main_bus", MXC_CCM_CBCDR, 16, 3); 156 clk[IMX5_CLK_AXI_B] = imx_clk_divider("axi_b", "main_bus", MXC_CCM_CBCDR, 19, 3); 157 clk[IMX5_CLK_UART_SEL] = imx_clk_mux("uart_sel", MXC_CCM_CSCMR1, 24, 2, 158 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 159 clk[IMX5_CLK_UART_PRED] = imx_clk_divider("uart_pred", "uart_sel", MXC_CCM_CSCDR1, 3, 3); 160 clk[IMX5_CLK_UART_ROOT] = imx_clk_divider("uart_root", "uart_pred", MXC_CCM_CSCDR1, 0, 3); 161 162 clk[IMX5_CLK_ESDHC_A_PRED] = imx_clk_divider("esdhc_a_pred", "esdhc_a_sel", MXC_CCM_CSCDR1, 16, 3); 163 clk[IMX5_CLK_ESDHC_A_PODF] = imx_clk_divider("esdhc_a_podf", "esdhc_a_pred", MXC_CCM_CSCDR1, 11, 3); 164 clk[IMX5_CLK_ESDHC_B_PRED] = imx_clk_divider("esdhc_b_pred", "esdhc_b_sel", MXC_CCM_CSCDR1, 22, 3); 165 clk[IMX5_CLK_ESDHC_B_PODF] = imx_clk_divider("esdhc_b_podf", "esdhc_b_pred", MXC_CCM_CSCDR1, 19, 3); 166 167 clk[IMX5_CLK_EMI_SEL] = imx_clk_mux("emi_sel", MXC_CCM_CBCDR, 26, 1, 168 emi_slow_sel, ARRAY_SIZE(emi_slow_sel)); 169 clk[IMX5_CLK_EMI_SLOW_PODF] = imx_clk_divider("emi_slow_podf", "emi_sel", MXC_CCM_CBCDR, 22, 3); 170 clk[IMX5_CLK_NFC_PODF] = imx_clk_divider("nfc_podf", "emi_slow_podf", MXC_CCM_CBCDR, 13, 3); 171 clk[IMX5_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", MXC_CCM_CSCMR1, 4, 2, 172 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 173 clk[IMX5_CLK_ECSPI_PRED] = imx_clk_divider("ecspi_pred", "ecspi_sel", MXC_CCM_CSCDR2, 25, 3); 174 clk[IMX5_CLK_ECSPI_PODF] = imx_clk_divider("ecspi_podf", "ecspi_pred", MXC_CCM_CSCDR2, 19, 6); 175 clk[IMX5_CLK_USBOH3_SEL] = imx_clk_mux("usboh3_sel", MXC_CCM_CSCMR1, 22, 2, 176 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 177 clk[IMX5_CLK_USBOH3_PRED] = imx_clk_divider("usboh3_pred", "usboh3_sel", MXC_CCM_CSCDR1, 8, 3); 178 clk[IMX5_CLK_USBOH3_PODF] = imx_clk_divider("usboh3_podf", "usboh3_pred", MXC_CCM_CSCDR1, 6, 2); 179 clk[IMX5_CLK_USB_PHY_PRED] = imx_clk_divider("usb_phy_pred", "pll3_sw", MXC_CCM_CDCDR, 3, 3); 180 clk[IMX5_CLK_USB_PHY_PODF] = imx_clk_divider("usb_phy_podf", "usb_phy_pred", MXC_CCM_CDCDR, 0, 3); 181 clk[IMX5_CLK_USB_PHY_SEL] = imx_clk_mux("usb_phy_sel", MXC_CCM_CSCMR1, 26, 1, 182 usb_phy_sel_str, ARRAY_SIZE(usb_phy_sel_str)); 183 clk[IMX5_CLK_STEP_SEL] = imx_clk_mux("step_sel", MXC_CCM_CCSR, 7, 2, step_sels, ARRAY_SIZE(step_sels)); 184 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)); 185 clk[IMX5_CLK_CPU_PODF] = imx_clk_divider("cpu_podf", "cpu_podf_sel", MXC_CCM_CACRR, 0, 3); 186 clk[IMX5_CLK_DI_PRED] = imx_clk_divider("di_pred", "pll3_sw", MXC_CCM_CDCDR, 6, 3); 187 clk[IMX5_CLK_IIM_GATE] = imx_clk_gate2("iim_gate", "ipg", MXC_CCM_CCGR0, 30); 188 clk[IMX5_CLK_UART1_IPG_GATE] = imx_clk_gate2("uart1_ipg_gate", "ipg", MXC_CCM_CCGR1, 6); 189 clk[IMX5_CLK_UART1_PER_GATE] = imx_clk_gate2("uart1_per_gate", "uart_root", MXC_CCM_CCGR1, 8); 190 clk[IMX5_CLK_UART2_IPG_GATE] = imx_clk_gate2("uart2_ipg_gate", "ipg", MXC_CCM_CCGR1, 10); 191 clk[IMX5_CLK_UART2_PER_GATE] = imx_clk_gate2("uart2_per_gate", "uart_root", MXC_CCM_CCGR1, 12); 192 clk[IMX5_CLK_UART3_IPG_GATE] = imx_clk_gate2("uart3_ipg_gate", "ipg", MXC_CCM_CCGR1, 14); 193 clk[IMX5_CLK_UART3_PER_GATE] = imx_clk_gate2("uart3_per_gate", "uart_root", MXC_CCM_CCGR1, 16); 194 clk[IMX5_CLK_I2C1_GATE] = imx_clk_gate2("i2c1_gate", "per_root", MXC_CCM_CCGR1, 18); 195 clk[IMX5_CLK_I2C2_GATE] = imx_clk_gate2("i2c2_gate", "per_root", MXC_CCM_CCGR1, 20); 196 clk[IMX5_CLK_PWM1_IPG_GATE] = imx_clk_gate2("pwm1_ipg_gate", "ipg", MXC_CCM_CCGR2, 10); 197 clk[IMX5_CLK_PWM1_HF_GATE] = imx_clk_gate2("pwm1_hf_gate", "per_root", MXC_CCM_CCGR2, 12); 198 clk[IMX5_CLK_PWM2_IPG_GATE] = imx_clk_gate2("pwm2_ipg_gate", "ipg", MXC_CCM_CCGR2, 14); 199 clk[IMX5_CLK_PWM2_HF_GATE] = imx_clk_gate2("pwm2_hf_gate", "per_root", MXC_CCM_CCGR2, 16); 200 clk[IMX5_CLK_GPT_IPG_GATE] = imx_clk_gate2("gpt_ipg_gate", "ipg", MXC_CCM_CCGR2, 18); 201 clk[IMX5_CLK_GPT_HF_GATE] = imx_clk_gate2("gpt_hf_gate", "per_root", MXC_CCM_CCGR2, 20); 202 clk[IMX5_CLK_FEC_GATE] = imx_clk_gate2("fec_gate", "ipg", MXC_CCM_CCGR2, 24); 203 clk[IMX5_CLK_USBOH3_GATE] = imx_clk_gate2("usboh3_gate", "ipg", MXC_CCM_CCGR2, 26); 204 clk[IMX5_CLK_USBOH3_PER_GATE] = imx_clk_gate2("usboh3_per_gate", "usboh3_podf", MXC_CCM_CCGR2, 28); 205 clk[IMX5_CLK_ESDHC1_IPG_GATE] = imx_clk_gate2("esdhc1_ipg_gate", "ipg", MXC_CCM_CCGR3, 0); 206 clk[IMX5_CLK_ESDHC2_IPG_GATE] = imx_clk_gate2("esdhc2_ipg_gate", "ipg", MXC_CCM_CCGR3, 4); 207 clk[IMX5_CLK_ESDHC3_IPG_GATE] = imx_clk_gate2("esdhc3_ipg_gate", "ipg", MXC_CCM_CCGR3, 8); 208 clk[IMX5_CLK_ESDHC4_IPG_GATE] = imx_clk_gate2("esdhc4_ipg_gate", "ipg", MXC_CCM_CCGR3, 12); 209 clk[IMX5_CLK_SSI1_IPG_GATE] = imx_clk_gate2("ssi1_ipg_gate", "ipg", MXC_CCM_CCGR3, 16); 210 clk[IMX5_CLK_SSI2_IPG_GATE] = imx_clk_gate2("ssi2_ipg_gate", "ipg", MXC_CCM_CCGR3, 20); 211 clk[IMX5_CLK_SSI3_IPG_GATE] = imx_clk_gate2("ssi3_ipg_gate", "ipg", MXC_CCM_CCGR3, 24); 212 clk[IMX5_CLK_ECSPI1_IPG_GATE] = imx_clk_gate2("ecspi1_ipg_gate", "ipg", MXC_CCM_CCGR4, 18); 213 clk[IMX5_CLK_ECSPI1_PER_GATE] = imx_clk_gate2("ecspi1_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 20); 214 clk[IMX5_CLK_ECSPI2_IPG_GATE] = imx_clk_gate2("ecspi2_ipg_gate", "ipg", MXC_CCM_CCGR4, 22); 215 clk[IMX5_CLK_ECSPI2_PER_GATE] = imx_clk_gate2("ecspi2_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 24); 216 clk[IMX5_CLK_CSPI_IPG_GATE] = imx_clk_gate2("cspi_ipg_gate", "ipg", MXC_CCM_CCGR4, 26); 217 clk[IMX5_CLK_SDMA_GATE] = imx_clk_gate2("sdma_gate", "ipg", MXC_CCM_CCGR4, 30); 218 clk[IMX5_CLK_EMI_FAST_GATE] = imx_clk_gate2_flags("emi_fast_gate", "dummy", MXC_CCM_CCGR5, 14, CLK_IS_CRITICAL); 219 clk[IMX5_CLK_EMI_SLOW_GATE] = imx_clk_gate2_flags("emi_slow_gate", "emi_slow_podf", MXC_CCM_CCGR5, 16, CLK_IS_CRITICAL); 220 clk[IMX5_CLK_IPU_SEL] = imx_clk_mux("ipu_sel", MXC_CCM_CBCMR, 6, 2, ipu_sel, ARRAY_SIZE(ipu_sel)); 221 clk[IMX5_CLK_IPU_GATE] = imx_clk_gate2("ipu_gate", "ipu_sel", MXC_CCM_CCGR5, 10); 222 clk[IMX5_CLK_NFC_GATE] = imx_clk_gate2("nfc_gate", "nfc_podf", MXC_CCM_CCGR5, 20); 223 clk[IMX5_CLK_IPU_DI0_GATE] = imx_clk_gate2("ipu_di0_gate", "ipu_di0_sel", MXC_CCM_CCGR6, 10); 224 clk[IMX5_CLK_IPU_DI1_GATE] = imx_clk_gate2("ipu_di1_gate", "ipu_di1_sel", MXC_CCM_CCGR6, 12); 225 clk[IMX5_CLK_GPU3D_SEL] = imx_clk_mux("gpu3d_sel", MXC_CCM_CBCMR, 4, 2, gpu3d_sel, ARRAY_SIZE(gpu3d_sel)); 226 clk[IMX5_CLK_GPU2D_SEL] = imx_clk_mux("gpu2d_sel", MXC_CCM_CBCMR, 16, 2, gpu2d_sel, ARRAY_SIZE(gpu2d_sel)); 227 clk[IMX5_CLK_GPU3D_GATE] = imx_clk_gate2("gpu3d_gate", "gpu3d_sel", MXC_CCM_CCGR5, 2); 228 clk[IMX5_CLK_GARB_GATE] = imx_clk_gate2("garb_gate", "axi_a", MXC_CCM_CCGR5, 4); 229 clk[IMX5_CLK_GPU2D_GATE] = imx_clk_gate2("gpu2d_gate", "gpu2d_sel", MXC_CCM_CCGR6, 14); 230 clk[IMX5_CLK_VPU_SEL] = imx_clk_mux("vpu_sel", MXC_CCM_CBCMR, 14, 2, vpu_sel, ARRAY_SIZE(vpu_sel)); 231 clk[IMX5_CLK_VPU_GATE] = imx_clk_gate2("vpu_gate", "vpu_sel", MXC_CCM_CCGR5, 6); 232 clk[IMX5_CLK_VPU_REFERENCE_GATE] = imx_clk_gate2("vpu_reference_gate", "osc", MXC_CCM_CCGR5, 8); 233 clk[IMX5_CLK_GPC_DVFS] = imx_clk_gate2_flags("gpc_dvfs", "dummy", MXC_CCM_CCGR5, 24, CLK_IS_CRITICAL); 234 235 clk[IMX5_CLK_SSI_APM] = imx_clk_mux("ssi_apm", MXC_CCM_CSCMR1, 8, 2, ssi_apm_sels, ARRAY_SIZE(ssi_apm_sels)); 236 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)); 237 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)); 238 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)); 239 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)); 240 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)); 241 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)); 242 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)); 243 clk[IMX5_CLK_SSI1_ROOT_PRED] = imx_clk_divider("ssi1_root_pred", "ssi1_root_sel", MXC_CCM_CS1CDR, 6, 3); 244 clk[IMX5_CLK_SSI1_ROOT_PODF] = imx_clk_divider("ssi1_root_podf", "ssi1_root_pred", MXC_CCM_CS1CDR, 0, 6); 245 clk[IMX5_CLK_SSI2_ROOT_PRED] = imx_clk_divider("ssi2_root_pred", "ssi2_root_sel", MXC_CCM_CS2CDR, 6, 3); 246 clk[IMX5_CLK_SSI2_ROOT_PODF] = imx_clk_divider("ssi2_root_podf", "ssi2_root_pred", MXC_CCM_CS2CDR, 0, 6); 247 clk[IMX5_CLK_SSI_EXT1_PRED] = imx_clk_divider("ssi_ext1_pred", "ssi_ext1_sel", MXC_CCM_CS1CDR, 22, 3); 248 clk[IMX5_CLK_SSI_EXT1_PODF] = imx_clk_divider("ssi_ext1_podf", "ssi_ext1_pred", MXC_CCM_CS1CDR, 16, 6); 249 clk[IMX5_CLK_SSI_EXT2_PRED] = imx_clk_divider("ssi_ext2_pred", "ssi_ext2_sel", MXC_CCM_CS2CDR, 22, 3); 250 clk[IMX5_CLK_SSI_EXT2_PODF] = imx_clk_divider("ssi_ext2_podf", "ssi_ext2_pred", MXC_CCM_CS2CDR, 16, 6); 251 clk[IMX5_CLK_SSI1_ROOT_GATE] = imx_clk_gate2("ssi1_root_gate", "ssi1_root_podf", MXC_CCM_CCGR3, 18); 252 clk[IMX5_CLK_SSI2_ROOT_GATE] = imx_clk_gate2("ssi2_root_gate", "ssi2_root_podf", MXC_CCM_CCGR3, 22); 253 clk[IMX5_CLK_SSI3_ROOT_GATE] = imx_clk_gate2("ssi3_root_gate", "ssi3_root_sel", MXC_CCM_CCGR3, 26); 254 clk[IMX5_CLK_SSI_EXT1_GATE] = imx_clk_gate2("ssi_ext1_gate", "ssi_ext1_com_sel", MXC_CCM_CCGR3, 28); 255 clk[IMX5_CLK_SSI_EXT2_GATE] = imx_clk_gate2("ssi_ext2_gate", "ssi_ext2_com_sel", MXC_CCM_CCGR3, 30); 256 clk[IMX5_CLK_EPIT1_IPG_GATE] = imx_clk_gate2("epit1_ipg_gate", "ipg", MXC_CCM_CCGR2, 2); 257 clk[IMX5_CLK_EPIT1_HF_GATE] = imx_clk_gate2("epit1_hf_gate", "per_root", MXC_CCM_CCGR2, 4); 258 clk[IMX5_CLK_EPIT2_IPG_GATE] = imx_clk_gate2("epit2_ipg_gate", "ipg", MXC_CCM_CCGR2, 6); 259 clk[IMX5_CLK_EPIT2_HF_GATE] = imx_clk_gate2("epit2_hf_gate", "per_root", MXC_CCM_CCGR2, 8); 260 clk[IMX5_CLK_OWIRE_GATE] = imx_clk_gate2("owire_gate", "per_root", MXC_CCM_CCGR2, 22); 261 clk[IMX5_CLK_SRTC_GATE] = imx_clk_gate2("srtc_gate", "per_root", MXC_CCM_CCGR4, 28); 262 clk[IMX5_CLK_PATA_GATE] = imx_clk_gate2("pata_gate", "ipg", MXC_CCM_CCGR4, 0); 263 clk[IMX5_CLK_SPDIF0_SEL] = imx_clk_mux("spdif0_sel", MXC_CCM_CSCMR2, 0, 2, spdif_sel, ARRAY_SIZE(spdif_sel)); 264 clk[IMX5_CLK_SPDIF0_PRED] = imx_clk_divider("spdif0_pred", "spdif0_sel", MXC_CCM_CDCDR, 25, 3); 265 clk[IMX5_CLK_SPDIF0_PODF] = imx_clk_divider("spdif0_podf", "spdif0_pred", MXC_CCM_CDCDR, 19, 6); 266 clk[IMX5_CLK_SPDIF0_COM_SEL] = imx_clk_mux_flags("spdif0_com_sel", MXC_CCM_CSCMR2, 4, 1, 267 spdif0_com_sel, ARRAY_SIZE(spdif0_com_sel), CLK_SET_RATE_PARENT); 268 clk[IMX5_CLK_SPDIF0_GATE] = imx_clk_gate2("spdif0_gate", "spdif0_com_sel", MXC_CCM_CCGR5, 26); 269 clk[IMX5_CLK_SPDIF_IPG_GATE] = imx_clk_gate2("spdif_ipg_gate", "ipg", MXC_CCM_CCGR5, 30); 270 clk[IMX5_CLK_SAHARA_IPG_GATE] = imx_clk_gate2("sahara_ipg_gate", "ipg", MXC_CCM_CCGR4, 14); 271 clk[IMX5_CLK_SATA_REF] = imx_clk_fixed_factor("sata_ref", "usb_phy1_gate", 1, 1); 272 273 clk_register_clkdev(clk[IMX5_CLK_CPU_PODF], NULL, "cpu0"); 274 clk_register_clkdev(clk[IMX5_CLK_GPC_DVFS], "gpc_dvfs", NULL); 275 276 /* move usb phy clk to 24MHz */ 277 clk_set_parent(clk[IMX5_CLK_USB_PHY_SEL], clk[IMX5_CLK_OSC]); 278} 279 280static void __init mx50_clocks_init(struct device_node *np) 281{ 282 void __iomem *ccm_base; 283 void __iomem *pll_base; 284 unsigned long r; 285 286 pll_base = ioremap(MX53_DPLL1_BASE, SZ_16K); 287 WARN_ON(!pll_base); 288 clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", pll_base); 289 290 pll_base = ioremap(MX53_DPLL2_BASE, SZ_16K); 291 WARN_ON(!pll_base); 292 clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", pll_base); 293 294 pll_base = ioremap(MX53_DPLL3_BASE, SZ_16K); 295 WARN_ON(!pll_base); 296 clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", pll_base); 297 298 ccm_base = of_iomap(np, 0); 299 WARN_ON(!ccm_base); 300 301 mx5_clocks_common_init(ccm_base); 302 303 /* 304 * This clock is called periph_clk in the i.MX50 Reference Manual, but 305 * it comes closest in scope to the main_bus_clk of i.MX51 and i.MX53 306 */ 307 clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 2, 308 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 309 310 clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1, 311 lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); 312 clk[IMX5_CLK_ESDHC_A_SEL] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 21, 2, 313 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 314 clk[IMX5_CLK_ESDHC_B_SEL] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2, 315 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 316 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)); 317 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)); 318 clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2); 319 clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6); 320 clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10); 321 clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14); 322 clk[IMX5_CLK_USB_PHY1_GATE] = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10); 323 clk[IMX5_CLK_USB_PHY2_GATE] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12); 324 clk[IMX5_CLK_I2C3_GATE] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22); 325 clk[IMX5_CLK_UART4_IPG_GATE] = imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, 8); 326 clk[IMX5_CLK_UART4_PER_GATE] = imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_CCGR7, 10); 327 clk[IMX5_CLK_UART5_IPG_GATE] = imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, 12); 328 clk[IMX5_CLK_UART5_PER_GATE] = imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_CCGR7, 14); 329 330 clk[IMX5_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4, 331 mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel)); 332 clk[IMX5_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3); 333 clk[IMX5_CLK_CKO1] = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7); 334 335 clk[IMX5_CLK_CKO2_SEL] = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5, 336 mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel)); 337 clk[IMX5_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3); 338 clk[IMX5_CLK_CKO2] = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24); 339 340 imx_check_clocks(clk, ARRAY_SIZE(clk)); 341 342 clk_data.clks = clk; 343 clk_data.clk_num = ARRAY_SIZE(clk); 344 of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); 345 346 /* Set SDHC parents to be PLL2 */ 347 clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]); 348 clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]); 349 350 /* set SDHC root clock to 200MHZ*/ 351 clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000); 352 clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000); 353 354 clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]); 355 imx_print_silicon_rev("i.MX50", IMX_CHIP_REVISION_1_1); 356 clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]); 357 358 r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000); 359 clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r); 360 361 imx_register_uart_clocks(5); 362} 363CLK_OF_DECLARE(imx50_ccm, "fsl,imx50-ccm", mx50_clocks_init); 364 365static void __init mx51_clocks_init(struct device_node *np) 366{ 367 void __iomem *ccm_base; 368 void __iomem *pll_base; 369 u32 val; 370 371 pll_base = ioremap(MX51_DPLL1_BASE, SZ_16K); 372 WARN_ON(!pll_base); 373 clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", pll_base); 374 375 pll_base = ioremap(MX51_DPLL2_BASE, SZ_16K); 376 WARN_ON(!pll_base); 377 clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", pll_base); 378 379 pll_base = ioremap(MX51_DPLL3_BASE, SZ_16K); 380 WARN_ON(!pll_base); 381 clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", pll_base); 382 383 ccm_base = of_iomap(np, 0); 384 WARN_ON(!ccm_base); 385 386 mx5_clocks_common_init(ccm_base); 387 388 clk[IMX5_CLK_PERIPH_APM] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2, 389 periph_apm_sel, ARRAY_SIZE(periph_apm_sel)); 390 clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1, 391 main_bus_sel, ARRAY_SIZE(main_bus_sel)); 392 clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 9, 1, 393 lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); 394 clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux_flags("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3, 395 mx51_ipu_di0_sel, ARRAY_SIZE(mx51_ipu_di0_sel), CLK_SET_RATE_PARENT); 396 clk[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux_flags("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3, 397 mx51_ipu_di1_sel, ARRAY_SIZE(mx51_ipu_di1_sel), CLK_SET_RATE_PARENT); 398 clk[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1, 399 mx51_tve_ext_sel, ARRAY_SIZE(mx51_tve_ext_sel), CLK_SET_RATE_PARENT); 400 clk[IMX5_CLK_TVE_SEL] = imx_clk_mux("tve_sel", MXC_CCM_CSCMR1, 7, 1, 401 mx51_tve_sel, ARRAY_SIZE(mx51_tve_sel)); 402 clk[IMX5_CLK_TVE_GATE] = imx_clk_gate2("tve_gate", "tve_sel", MXC_CCM_CCGR2, 30); 403 clk[IMX5_CLK_TVE_PRED] = imx_clk_divider("tve_pred", "pll3_sw", MXC_CCM_CDCDR, 28, 3); 404 clk[IMX5_CLK_ESDHC_A_SEL] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2, 405 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 406 clk[IMX5_CLK_ESDHC_B_SEL] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2, 407 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 408 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)); 409 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)); 410 clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2); 411 clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 6); 412 clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 10); 413 clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14); 414 clk[IMX5_CLK_USB_PHY_GATE] = imx_clk_gate2("usb_phy_gate", "usb_phy_sel", MXC_CCM_CCGR2, 0); 415 clk[IMX5_CLK_HSI2C_GATE] = imx_clk_gate2("hsi2c_gate", "ipg", MXC_CCM_CCGR1, 22); 416 clk[IMX5_CLK_SCC2_IPG_GATE] = imx_clk_gate2("scc2_gate", "ipg", MXC_CCM_CCGR1, 30); 417 clk[IMX5_CLK_MIPI_HSC1_GATE] = imx_clk_gate2_flags("mipi_hsc1_gate", "ipg", MXC_CCM_CCGR4, 6, CLK_IS_CRITICAL); 418 clk[IMX5_CLK_MIPI_HSC2_GATE] = imx_clk_gate2_flags("mipi_hsc2_gate", "ipg", MXC_CCM_CCGR4, 8, CLK_IS_CRITICAL); 419 clk[IMX5_CLK_MIPI_ESC_GATE] = imx_clk_gate2_flags("mipi_esc_gate", "ipg", MXC_CCM_CCGR4, 10, CLK_IS_CRITICAL); 420 clk[IMX5_CLK_MIPI_HSP_GATE] = imx_clk_gate2_flags("mipi_hsp_gate", "ipg", MXC_CCM_CCGR4, 12, CLK_IS_CRITICAL); 421 clk[IMX5_CLK_SPDIF_XTAL_SEL] = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2, 422 mx51_spdif_xtal_sel, ARRAY_SIZE(mx51_spdif_xtal_sel)); 423 clk[IMX5_CLK_SPDIF1_SEL] = imx_clk_mux("spdif1_sel", MXC_CCM_CSCMR2, 2, 2, 424 spdif_sel, ARRAY_SIZE(spdif_sel)); 425 clk[IMX5_CLK_SPDIF1_PRED] = imx_clk_divider("spdif1_pred", "spdif1_sel", MXC_CCM_CDCDR, 16, 3); 426 clk[IMX5_CLK_SPDIF1_PODF] = imx_clk_divider("spdif1_podf", "spdif1_pred", MXC_CCM_CDCDR, 9, 6); 427 clk[IMX5_CLK_SPDIF1_COM_SEL] = imx_clk_mux("spdif1_com_sel", MXC_CCM_CSCMR2, 5, 1, 428 mx51_spdif1_com_sel, ARRAY_SIZE(mx51_spdif1_com_sel)); 429 clk[IMX5_CLK_SPDIF1_GATE] = imx_clk_gate2("spdif1_gate", "spdif1_com_sel", MXC_CCM_CCGR5, 28); 430 431 imx_check_clocks(clk, ARRAY_SIZE(clk)); 432 433 clk_data.clks = clk; 434 clk_data.clk_num = ARRAY_SIZE(clk); 435 of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); 436 437 /* set the usboh3 parent to pll2_sw */ 438 clk_set_parent(clk[IMX5_CLK_USBOH3_SEL], clk[IMX5_CLK_PLL2_SW]); 439 440 /* Set SDHC parents to be PLL2 */ 441 clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]); 442 clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]); 443 444 /* set SDHC root clock to 166.25MHZ*/ 445 clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 166250000); 446 clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 166250000); 447 448 clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]); 449 imx_print_silicon_rev("i.MX51", mx51_revision()); 450 clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]); 451 452 /* 453 * Reference Manual says: Functionality of CCDR[18] and CLPCR[23] is no 454 * longer supported. Set to one for better power saving. 455 * 456 * The effect of not setting these bits is that MIPI clocks can't be 457 * enabled without the IPU clock being enabled aswell. 458 */ 459 val = readl(MXC_CCM_CCDR); 460 val |= 1 << 18; 461 writel(val, MXC_CCM_CCDR); 462 463 val = readl(MXC_CCM_CLPCR); 464 val |= 1 << 23; 465 writel(val, MXC_CCM_CLPCR); 466 467 imx_register_uart_clocks(3); 468} 469CLK_OF_DECLARE(imx51_ccm, "fsl,imx51-ccm", mx51_clocks_init); 470 471static void __init mx53_clocks_init(struct device_node *np) 472{ 473 void __iomem *ccm_base; 474 void __iomem *pll_base; 475 unsigned long r; 476 477 pll_base = ioremap(MX53_DPLL1_BASE, SZ_16K); 478 WARN_ON(!pll_base); 479 clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", pll_base); 480 481 pll_base = ioremap(MX53_DPLL2_BASE, SZ_16K); 482 WARN_ON(!pll_base); 483 clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", pll_base); 484 485 pll_base = ioremap(MX53_DPLL3_BASE, SZ_16K); 486 WARN_ON(!pll_base); 487 clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", pll_base); 488 489 pll_base = ioremap(MX53_DPLL4_BASE, SZ_16K); 490 WARN_ON(!pll_base); 491 clk[IMX5_CLK_PLL4_SW] = imx_clk_pllv2("pll4_sw", "osc", pll_base); 492 493 ccm_base = of_iomap(np, 0); 494 WARN_ON(!ccm_base); 495 496 mx5_clocks_common_init(ccm_base); 497 498 clk[IMX5_CLK_PERIPH_APM] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2, 499 periph_apm_sel, ARRAY_SIZE(periph_apm_sel)); 500 clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1, 501 main_bus_sel, ARRAY_SIZE(main_bus_sel)); 502 clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1, 503 lp_apm_sel, ARRAY_SIZE(lp_apm_sel)); 504 clk[IMX5_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7); 505 clk[IMX5_CLK_LDB_DI1_DIV] = imx_clk_divider_flags("ldb_di1_div", "ldb_di1_div_3_5", MXC_CCM_CSCMR2, 11, 1, 0); 506 clk[IMX5_CLK_LDB_DI1_SEL] = imx_clk_mux_flags("ldb_di1_sel", MXC_CCM_CSCMR2, 9, 1, 507 mx53_ldb_di1_sel, ARRAY_SIZE(mx53_ldb_di1_sel), CLK_SET_RATE_PARENT); 508 clk[IMX5_CLK_DI_PLL4_PODF] = imx_clk_divider("di_pll4_podf", "pll4_sw", MXC_CCM_CDCDR, 16, 3); 509 clk[IMX5_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7); 510 clk[IMX5_CLK_LDB_DI0_DIV] = imx_clk_divider_flags("ldb_di0_div", "ldb_di0_div_3_5", MXC_CCM_CSCMR2, 10, 1, 0); 511 clk[IMX5_CLK_LDB_DI0_SEL] = imx_clk_mux_flags("ldb_di0_sel", MXC_CCM_CSCMR2, 8, 1, 512 mx53_ldb_di0_sel, ARRAY_SIZE(mx53_ldb_di0_sel), CLK_SET_RATE_PARENT); 513 clk[IMX5_CLK_LDB_DI0_GATE] = imx_clk_gate2("ldb_di0_gate", "ldb_di0_div", MXC_CCM_CCGR6, 28); 514 clk[IMX5_CLK_LDB_DI1_GATE] = imx_clk_gate2("ldb_di1_gate", "ldb_di1_div", MXC_CCM_CCGR6, 30); 515 clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux_flags("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3, 516 mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel), CLK_SET_RATE_PARENT); 517 clk[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux_flags("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3, 518 mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel), CLK_SET_RATE_PARENT); 519 clk[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1, 520 mx53_tve_ext_sel, ARRAY_SIZE(mx53_tve_ext_sel), CLK_SET_RATE_PARENT); 521 clk[IMX5_CLK_TVE_GATE] = imx_clk_gate2("tve_gate", "tve_pred", MXC_CCM_CCGR2, 30); 522 clk[IMX5_CLK_TVE_PRED] = imx_clk_divider("tve_pred", "tve_ext_sel", MXC_CCM_CDCDR, 28, 3); 523 clk[IMX5_CLK_ESDHC_A_SEL] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2, 524 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 525 clk[IMX5_CLK_ESDHC_B_SEL] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2, 526 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 527 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)); 528 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)); 529 clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2); 530 clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6); 531 clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10); 532 clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14); 533 clk[IMX5_CLK_USB_PHY1_GATE] = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10); 534 clk[IMX5_CLK_USB_PHY2_GATE] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12); 535 clk[IMX5_CLK_CAN_SEL] = imx_clk_mux("can_sel", MXC_CCM_CSCMR2, 6, 2, 536 mx53_can_sel, ARRAY_SIZE(mx53_can_sel)); 537 clk[IMX5_CLK_CAN1_SERIAL_GATE] = imx_clk_gate2("can1_serial_gate", "can_sel", MXC_CCM_CCGR6, 22); 538 clk[IMX5_CLK_CAN1_IPG_GATE] = imx_clk_gate2("can1_ipg_gate", "ipg", MXC_CCM_CCGR6, 20); 539 clk[IMX5_CLK_OCRAM] = imx_clk_gate2("ocram", "ahb", MXC_CCM_CCGR6, 2); 540 clk[IMX5_CLK_CAN2_SERIAL_GATE] = imx_clk_gate2("can2_serial_gate", "can_sel", MXC_CCM_CCGR4, 8); 541 clk[IMX5_CLK_CAN2_IPG_GATE] = imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 6); 542 clk[IMX5_CLK_I2C3_GATE] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22); 543 clk[IMX5_CLK_SATA_GATE] = imx_clk_gate2("sata_gate", "ipg", MXC_CCM_CCGR4, 2); 544 545 clk[IMX5_CLK_FIRI_SEL] = imx_clk_mux("firi_sel", MXC_CCM_CSCMR2, 12, 2, 546 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 547 clk[IMX5_CLK_FIRI_PRED] = imx_clk_divider("firi_pred", "firi_sel", MXC_CCM_CSCDR3, 6, 3); 548 clk[IMX5_CLK_FIRI_PODF] = imx_clk_divider("firi_podf", "firi_pred", MXC_CCM_CSCDR3, 0, 6); 549 clk[IMX5_CLK_FIRI_SERIAL_GATE] = imx_clk_gate2("firi_serial_gate", "firi_podf", MXC_CCM_CCGR1, 28); 550 clk[IMX5_CLK_FIRI_IPG_GATE] = imx_clk_gate2("firi_ipg_gate", "ipg", MXC_CCM_CCGR1, 26); 551 552 clk[IMX5_CLK_CSI0_MCLK1_SEL] = imx_clk_mux("csi0_mclk1_sel", MXC_CCM_CSCMR2, 22, 2, 553 standard_pll_sel, ARRAY_SIZE(standard_pll_sel)); 554 clk[IMX5_CLK_CSI0_MCLK1_PRED] = imx_clk_divider("csi0_mclk1_pred", "csi0_mclk1_sel", MXC_CCM_CSCDR4, 6, 3); 555 clk[IMX5_CLK_CSI0_MCLK1_PODF] = imx_clk_divider("csi0_mclk1_podf", "csi0_mclk1_pred", MXC_CCM_CSCDR4, 0, 6); 556 clk[IMX5_CLK_CSI0_MCLK1_GATE] = imx_clk_gate2("csi0_mclk1_serial_gate", "csi0_mclk1_podf", MXC_CCM_CCGR6, 4); 557 558 clk[IMX5_CLK_IEEE1588_SEL] = imx_clk_mux("ieee1588_sel", MXC_CCM_CSCMR2, 14, 2, 559 ieee1588_sels, ARRAY_SIZE(ieee1588_sels)); 560 clk[IMX5_CLK_IEEE1588_PRED] = imx_clk_divider("ieee1588_pred", "ieee1588_sel", MXC_CCM_CSCDR2, 6, 3); 561 clk[IMX5_CLK_IEEE1588_PODF] = imx_clk_divider("ieee1588_podf", "ieee1588_pred", MXC_CCM_CSCDR2, 0, 6); 562 clk[IMX5_CLK_IEEE1588_GATE] = imx_clk_gate2("ieee1588_serial_gate", "ieee1588_podf", MXC_CCM_CCGR7, 6); 563 clk[IMX5_CLK_UART4_IPG_GATE] = imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, 8); 564 clk[IMX5_CLK_UART4_PER_GATE] = imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_CCGR7, 10); 565 clk[IMX5_CLK_UART5_IPG_GATE] = imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, 12); 566 clk[IMX5_CLK_UART5_PER_GATE] = imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_CCGR7, 14); 567 568 clk[IMX5_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4, 569 mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel)); 570 clk[IMX5_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3); 571 clk[IMX5_CLK_CKO1] = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7); 572 573 clk[IMX5_CLK_CKO2_SEL] = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5, 574 mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel)); 575 clk[IMX5_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3); 576 clk[IMX5_CLK_CKO2] = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24); 577 clk[IMX5_CLK_SPDIF_XTAL_SEL] = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2, 578 mx53_spdif_xtal_sel, ARRAY_SIZE(mx53_spdif_xtal_sel)); 579 clk[IMX5_CLK_ARM] = imx_clk_cpu("arm", "cpu_podf", 580 clk[IMX5_CLK_CPU_PODF], 581 clk[IMX5_CLK_CPU_PODF_SEL], 582 clk[IMX5_CLK_PLL1_SW], 583 clk[IMX5_CLK_STEP_SEL]); 584 585 imx_check_clocks(clk, ARRAY_SIZE(clk)); 586 587 clk_data.clks = clk; 588 clk_data.clk_num = ARRAY_SIZE(clk); 589 of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); 590 591 /* Set SDHC parents to be PLL2 */ 592 clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]); 593 clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]); 594 595 /* set SDHC root clock to 200MHZ*/ 596 clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000); 597 clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000); 598 599 /* move can bus clk to 24MHz */ 600 clk_set_parent(clk[IMX5_CLK_CAN_SEL], clk[IMX5_CLK_LP_APM]); 601 602 /* make sure step clock is running from 24MHz */ 603 clk_set_parent(clk[IMX5_CLK_STEP_SEL], clk[IMX5_CLK_LP_APM]); 604 605 clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]); 606 imx_print_silicon_rev("i.MX53", mx53_revision()); 607 clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]); 608 609 r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000); 610 clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r); 611 612 imx_register_uart_clocks(5); 613} 614CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init);