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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 | /* * OMAP4 Clock init * * Copyright (C) 2013 Texas Instruments, Inc. * * Tero Kristo (t-kristo@ti.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/kernel.h> #include <linux/list.h> #include <linux/clk-private.h> #include <linux/clkdev.h> #include <linux/clk/ti.h> /* * OMAP4 ABE DPLL default frequency. In OMAP4460 TRM version V, section * "3.6.3.2.3 CM1_ABE Clock Generator" states that the "DPLL_ABE_X2_CLK * must be set to 196.608 MHz" and hence, the DPLL locked frequency is * half of this value. */ #define OMAP4_DPLL_ABE_DEFFREQ 98304000 /* * OMAP4 USB DPLL default frequency. In OMAP4430 TRM version V, section * "3.6.3.9.5 DPLL_USB Preferred Settings" shows that the preferred * locked frequency for the USB DPLL is 960MHz. */ #define OMAP4_DPLL_USB_DEFFREQ 960000000 static struct ti_dt_clk omap44xx_clks[] = { DT_CLK(NULL, "extalt_clkin_ck", "extalt_clkin_ck"), DT_CLK(NULL, "pad_clks_src_ck", "pad_clks_src_ck"), DT_CLK(NULL, "pad_clks_ck", "pad_clks_ck"), DT_CLK(NULL, "pad_slimbus_core_clks_ck", "pad_slimbus_core_clks_ck"), DT_CLK(NULL, "secure_32k_clk_src_ck", "secure_32k_clk_src_ck"), DT_CLK(NULL, "slimbus_src_clk", "slimbus_src_clk"), DT_CLK(NULL, "slimbus_clk", "slimbus_clk"), DT_CLK(NULL, "sys_32k_ck", "sys_32k_ck"), DT_CLK(NULL, "virt_12000000_ck", "virt_12000000_ck"), DT_CLK(NULL, "virt_13000000_ck", "virt_13000000_ck"), DT_CLK(NULL, "virt_16800000_ck", "virt_16800000_ck"), DT_CLK(NULL, "virt_19200000_ck", "virt_19200000_ck"), DT_CLK(NULL, "virt_26000000_ck", "virt_26000000_ck"), DT_CLK(NULL, "virt_27000000_ck", "virt_27000000_ck"), DT_CLK(NULL, "virt_38400000_ck", "virt_38400000_ck"), DT_CLK(NULL, "sys_clkin_ck", "sys_clkin_ck"), DT_CLK(NULL, "tie_low_clock_ck", "tie_low_clock_ck"), DT_CLK(NULL, "utmi_phy_clkout_ck", "utmi_phy_clkout_ck"), DT_CLK(NULL, "xclk60mhsp1_ck", "xclk60mhsp1_ck"), DT_CLK(NULL, "xclk60mhsp2_ck", "xclk60mhsp2_ck"), DT_CLK(NULL, "xclk60motg_ck", "xclk60motg_ck"), DT_CLK(NULL, "abe_dpll_bypass_clk_mux_ck", "abe_dpll_bypass_clk_mux_ck"), DT_CLK(NULL, "abe_dpll_refclk_mux_ck", "abe_dpll_refclk_mux_ck"), DT_CLK(NULL, "dpll_abe_ck", "dpll_abe_ck"), DT_CLK(NULL, "dpll_abe_x2_ck", "dpll_abe_x2_ck"), DT_CLK(NULL, "dpll_abe_m2x2_ck", "dpll_abe_m2x2_ck"), DT_CLK(NULL, "abe_24m_fclk", "abe_24m_fclk"), DT_CLK(NULL, "abe_clk", "abe_clk"), DT_CLK(NULL, "aess_fclk", "aess_fclk"), DT_CLK(NULL, "dpll_abe_m3x2_ck", "dpll_abe_m3x2_ck"), DT_CLK(NULL, "core_hsd_byp_clk_mux_ck", "core_hsd_byp_clk_mux_ck"), DT_CLK(NULL, "dpll_core_ck", "dpll_core_ck"), DT_CLK(NULL, "dpll_core_x2_ck", "dpll_core_x2_ck"), DT_CLK(NULL, "dpll_core_m6x2_ck", "dpll_core_m6x2_ck"), DT_CLK(NULL, "dbgclk_mux_ck", "dbgclk_mux_ck"), DT_CLK(NULL, "dpll_core_m2_ck", "dpll_core_m2_ck"), DT_CLK(NULL, "ddrphy_ck", "ddrphy_ck"), DT_CLK(NULL, "dpll_core_m5x2_ck", "dpll_core_m5x2_ck"), DT_CLK(NULL, "div_core_ck", "div_core_ck"), DT_CLK(NULL, "div_iva_hs_clk", "div_iva_hs_clk"), DT_CLK(NULL, "div_mpu_hs_clk", "div_mpu_hs_clk"), DT_CLK(NULL, "dpll_core_m4x2_ck", "dpll_core_m4x2_ck"), DT_CLK(NULL, "dll_clk_div_ck", "dll_clk_div_ck"), DT_CLK(NULL, "dpll_abe_m2_ck", "dpll_abe_m2_ck"), DT_CLK(NULL, "dpll_core_m3x2_ck", "dpll_core_m3x2_ck"), DT_CLK(NULL, "dpll_core_m7x2_ck", "dpll_core_m7x2_ck"), DT_CLK(NULL, "iva_hsd_byp_clk_mux_ck", "iva_hsd_byp_clk_mux_ck"), DT_CLK(NULL, "dpll_iva_ck", "dpll_iva_ck"), DT_CLK(NULL, "dpll_iva_x2_ck", "dpll_iva_x2_ck"), DT_CLK(NULL, "dpll_iva_m4x2_ck", "dpll_iva_m4x2_ck"), DT_CLK(NULL, "dpll_iva_m5x2_ck", "dpll_iva_m5x2_ck"), DT_CLK(NULL, "dpll_mpu_ck", "dpll_mpu_ck"), DT_CLK(NULL, "dpll_mpu_m2_ck", "dpll_mpu_m2_ck"), DT_CLK(NULL, "per_hs_clk_div_ck", "per_hs_clk_div_ck"), DT_CLK(NULL, "per_hsd_byp_clk_mux_ck", "per_hsd_byp_clk_mux_ck"), DT_CLK(NULL, "dpll_per_ck", "dpll_per_ck"), DT_CLK(NULL, "dpll_per_m2_ck", "dpll_per_m2_ck"), DT_CLK(NULL, "dpll_per_x2_ck", "dpll_per_x2_ck"), DT_CLK(NULL, "dpll_per_m2x2_ck", "dpll_per_m2x2_ck"), DT_CLK(NULL, "dpll_per_m3x2_ck", "dpll_per_m3x2_ck"), DT_CLK(NULL, "dpll_per_m4x2_ck", "dpll_per_m4x2_ck"), DT_CLK(NULL, "dpll_per_m5x2_ck", "dpll_per_m5x2_ck"), DT_CLK(NULL, "dpll_per_m6x2_ck", "dpll_per_m6x2_ck"), DT_CLK(NULL, "dpll_per_m7x2_ck", "dpll_per_m7x2_ck"), DT_CLK(NULL, "usb_hs_clk_div_ck", "usb_hs_clk_div_ck"), DT_CLK(NULL, "dpll_usb_ck", "dpll_usb_ck"), DT_CLK(NULL, "dpll_usb_clkdcoldo_ck", "dpll_usb_clkdcoldo_ck"), DT_CLK(NULL, "dpll_usb_m2_ck", "dpll_usb_m2_ck"), DT_CLK(NULL, "ducati_clk_mux_ck", "ducati_clk_mux_ck"), DT_CLK(NULL, "func_12m_fclk", "func_12m_fclk"), DT_CLK(NULL, "func_24m_clk", "func_24m_clk"), DT_CLK(NULL, "func_24mc_fclk", "func_24mc_fclk"), DT_CLK(NULL, "func_48m_fclk", "func_48m_fclk"), DT_CLK(NULL, "func_48mc_fclk", "func_48mc_fclk"), DT_CLK(NULL, "func_64m_fclk", "func_64m_fclk"), DT_CLK(NULL, "func_96m_fclk", "func_96m_fclk"), DT_CLK(NULL, "init_60m_fclk", "init_60m_fclk"), DT_CLK(NULL, "l3_div_ck", "l3_div_ck"), DT_CLK(NULL, "l4_div_ck", "l4_div_ck"), DT_CLK(NULL, "lp_clk_div_ck", "lp_clk_div_ck"), DT_CLK(NULL, "l4_wkup_clk_mux_ck", "l4_wkup_clk_mux_ck"), DT_CLK("smp_twd", NULL, "mpu_periphclk"), DT_CLK(NULL, "ocp_abe_iclk", "ocp_abe_iclk"), DT_CLK(NULL, "per_abe_24m_fclk", "per_abe_24m_fclk"), DT_CLK(NULL, "per_abe_nc_fclk", "per_abe_nc_fclk"), DT_CLK(NULL, "syc_clk_div_ck", "syc_clk_div_ck"), DT_CLK(NULL, "aes1_fck", "aes1_fck"), DT_CLK(NULL, "aes2_fck", "aes2_fck"), DT_CLK(NULL, "dmic_sync_mux_ck", "dmic_sync_mux_ck"), DT_CLK(NULL, "func_dmic_abe_gfclk", "func_dmic_abe_gfclk"), DT_CLK(NULL, "dss_sys_clk", "dss_sys_clk"), DT_CLK(NULL, "dss_tv_clk", "dss_tv_clk"), DT_CLK(NULL, "dss_dss_clk", "dss_dss_clk"), DT_CLK(NULL, "dss_48mhz_clk", "dss_48mhz_clk"), DT_CLK(NULL, "dss_fck", "dss_fck"), DT_CLK("omapdss_dss", "ick", "dss_fck"), DT_CLK(NULL, "fdif_fck", "fdif_fck"), DT_CLK(NULL, "gpio1_dbclk", "gpio1_dbclk"), DT_CLK(NULL, "gpio2_dbclk", "gpio2_dbclk"), DT_CLK(NULL, "gpio3_dbclk", "gpio3_dbclk"), DT_CLK(NULL, "gpio4_dbclk", "gpio4_dbclk"), DT_CLK(NULL, "gpio5_dbclk", "gpio5_dbclk"), DT_CLK(NULL, "gpio6_dbclk", "gpio6_dbclk"), DT_CLK(NULL, "sgx_clk_mux", "sgx_clk_mux"), DT_CLK(NULL, "hsi_fck", "hsi_fck"), DT_CLK(NULL, "iss_ctrlclk", "iss_ctrlclk"), DT_CLK(NULL, "mcasp_sync_mux_ck", "mcasp_sync_mux_ck"), DT_CLK(NULL, "func_mcasp_abe_gfclk", "func_mcasp_abe_gfclk"), DT_CLK(NULL, "mcbsp1_sync_mux_ck", "mcbsp1_sync_mux_ck"), DT_CLK(NULL, "func_mcbsp1_gfclk", "func_mcbsp1_gfclk"), DT_CLK(NULL, "mcbsp2_sync_mux_ck", "mcbsp2_sync_mux_ck"), DT_CLK(NULL, "func_mcbsp2_gfclk", "func_mcbsp2_gfclk"), DT_CLK(NULL, "mcbsp3_sync_mux_ck", "mcbsp3_sync_mux_ck"), DT_CLK(NULL, "func_mcbsp3_gfclk", "func_mcbsp3_gfclk"), DT_CLK(NULL, "mcbsp4_sync_mux_ck", "mcbsp4_sync_mux_ck"), DT_CLK(NULL, "per_mcbsp4_gfclk", "per_mcbsp4_gfclk"), DT_CLK(NULL, "hsmmc1_fclk", "hsmmc1_fclk"), DT_CLK(NULL, "hsmmc2_fclk", "hsmmc2_fclk"), DT_CLK(NULL, "ocp2scp_usb_phy_phy_48m", "ocp2scp_usb_phy_phy_48m"), DT_CLK(NULL, "sha2md5_fck", "sha2md5_fck"), DT_CLK(NULL, "slimbus1_fclk_1", "slimbus1_fclk_1"), DT_CLK(NULL, "slimbus1_fclk_0", "slimbus1_fclk_0"), DT_CLK(NULL, "slimbus1_fclk_2", "slimbus1_fclk_2"), DT_CLK(NULL, "slimbus1_slimbus_clk", "slimbus1_slimbus_clk"), DT_CLK(NULL, "slimbus2_fclk_1", "slimbus2_fclk_1"), DT_CLK(NULL, "slimbus2_fclk_0", "slimbus2_fclk_0"), DT_CLK(NULL, "slimbus2_slimbus_clk", "slimbus2_slimbus_clk"), DT_CLK(NULL, "smartreflex_core_fck", "smartreflex_core_fck"), DT_CLK(NULL, "smartreflex_iva_fck", "smartreflex_iva_fck"), DT_CLK(NULL, "smartreflex_mpu_fck", "smartreflex_mpu_fck"), DT_CLK(NULL, "dmt1_clk_mux", "dmt1_clk_mux"), DT_CLK(NULL, "cm2_dm10_mux", "cm2_dm10_mux"), DT_CLK(NULL, "cm2_dm11_mux", "cm2_dm11_mux"), DT_CLK(NULL, "cm2_dm2_mux", "cm2_dm2_mux"), DT_CLK(NULL, "cm2_dm3_mux", "cm2_dm3_mux"), DT_CLK(NULL, "cm2_dm4_mux", "cm2_dm4_mux"), DT_CLK(NULL, "timer5_sync_mux", "timer5_sync_mux"), DT_CLK(NULL, "timer6_sync_mux", "timer6_sync_mux"), DT_CLK(NULL, "timer7_sync_mux", "timer7_sync_mux"), DT_CLK(NULL, "timer8_sync_mux", "timer8_sync_mux"), DT_CLK(NULL, "cm2_dm9_mux", "cm2_dm9_mux"), DT_CLK(NULL, "usb_host_fs_fck", "usb_host_fs_fck"), DT_CLK("usbhs_omap", "fs_fck", "usb_host_fs_fck"), DT_CLK(NULL, "utmi_p1_gfclk", "utmi_p1_gfclk"), DT_CLK(NULL, "usb_host_hs_utmi_p1_clk", "usb_host_hs_utmi_p1_clk"), DT_CLK(NULL, "utmi_p2_gfclk", "utmi_p2_gfclk"), DT_CLK(NULL, "usb_host_hs_utmi_p2_clk", "usb_host_hs_utmi_p2_clk"), DT_CLK(NULL, "usb_host_hs_utmi_p3_clk", "usb_host_hs_utmi_p3_clk"), DT_CLK(NULL, "usb_host_hs_hsic480m_p1_clk", "usb_host_hs_hsic480m_p1_clk"), DT_CLK(NULL, "usb_host_hs_hsic60m_p1_clk", "usb_host_hs_hsic60m_p1_clk"), DT_CLK(NULL, "usb_host_hs_hsic60m_p2_clk", "usb_host_hs_hsic60m_p2_clk"), DT_CLK(NULL, "usb_host_hs_hsic480m_p2_clk", "usb_host_hs_hsic480m_p2_clk"), DT_CLK(NULL, "usb_host_hs_func48mclk", "usb_host_hs_func48mclk"), DT_CLK(NULL, "usb_host_hs_fck", "usb_host_hs_fck"), DT_CLK("usbhs_omap", "hs_fck", "usb_host_hs_fck"), DT_CLK(NULL, "otg_60m_gfclk", "otg_60m_gfclk"), DT_CLK(NULL, "usb_otg_hs_xclk", "usb_otg_hs_xclk"), DT_CLK(NULL, "usb_otg_hs_ick", "usb_otg_hs_ick"), DT_CLK("musb-omap2430", "ick", "usb_otg_hs_ick"), DT_CLK(NULL, "usb_phy_cm_clk32k", "usb_phy_cm_clk32k"), DT_CLK(NULL, "usb_tll_hs_usb_ch2_clk", "usb_tll_hs_usb_ch2_clk"), DT_CLK(NULL, "usb_tll_hs_usb_ch0_clk", "usb_tll_hs_usb_ch0_clk"), DT_CLK(NULL, "usb_tll_hs_usb_ch1_clk", "usb_tll_hs_usb_ch1_clk"), DT_CLK(NULL, "usb_tll_hs_ick", "usb_tll_hs_ick"), DT_CLK("usbhs_omap", "usbtll_ick", "usb_tll_hs_ick"), DT_CLK("usbhs_tll", "usbtll_ick", "usb_tll_hs_ick"), DT_CLK(NULL, "usim_ck", "usim_ck"), DT_CLK(NULL, "usim_fclk", "usim_fclk"), DT_CLK(NULL, "pmd_stm_clock_mux_ck", "pmd_stm_clock_mux_ck"), DT_CLK(NULL, "pmd_trace_clk_mux_ck", "pmd_trace_clk_mux_ck"), DT_CLK(NULL, "stm_clk_div_ck", "stm_clk_div_ck"), DT_CLK(NULL, "trace_clk_div_ck", "trace_clk_div_ck"), DT_CLK(NULL, "auxclk0_src_ck", "auxclk0_src_ck"), DT_CLK(NULL, "auxclk0_ck", "auxclk0_ck"), DT_CLK(NULL, "auxclkreq0_ck", "auxclkreq0_ck"), DT_CLK(NULL, "auxclk1_src_ck", "auxclk1_src_ck"), DT_CLK(NULL, "auxclk1_ck", "auxclk1_ck"), DT_CLK(NULL, "auxclkreq1_ck", "auxclkreq1_ck"), DT_CLK(NULL, "auxclk2_src_ck", "auxclk2_src_ck"), DT_CLK(NULL, "auxclk2_ck", "auxclk2_ck"), DT_CLK(NULL, "auxclkreq2_ck", "auxclkreq2_ck"), DT_CLK(NULL, "auxclk3_src_ck", "auxclk3_src_ck"), DT_CLK(NULL, "auxclk3_ck", "auxclk3_ck"), DT_CLK(NULL, "auxclkreq3_ck", "auxclkreq3_ck"), DT_CLK(NULL, "auxclk4_src_ck", "auxclk4_src_ck"), DT_CLK(NULL, "auxclk4_ck", "auxclk4_ck"), DT_CLK(NULL, "auxclkreq4_ck", "auxclkreq4_ck"), DT_CLK(NULL, "auxclk5_src_ck", "auxclk5_src_ck"), DT_CLK(NULL, "auxclk5_ck", "auxclk5_ck"), DT_CLK(NULL, "auxclkreq5_ck", "auxclkreq5_ck"), DT_CLK("omap_i2c.1", "ick", "dummy_ck"), DT_CLK("omap_i2c.2", "ick", "dummy_ck"), DT_CLK("omap_i2c.3", "ick", "dummy_ck"), DT_CLK("omap_i2c.4", "ick", "dummy_ck"), DT_CLK(NULL, "mailboxes_ick", "dummy_ck"), DT_CLK("omap_hsmmc.0", "ick", "dummy_ck"), DT_CLK("omap_hsmmc.1", "ick", "dummy_ck"), DT_CLK("omap_hsmmc.2", "ick", "dummy_ck"), DT_CLK("omap_hsmmc.3", "ick", "dummy_ck"), DT_CLK("omap_hsmmc.4", "ick", "dummy_ck"), DT_CLK("omap-mcbsp.1", "ick", "dummy_ck"), DT_CLK("omap-mcbsp.2", "ick", "dummy_ck"), DT_CLK("omap-mcbsp.3", "ick", "dummy_ck"), DT_CLK("omap-mcbsp.4", "ick", "dummy_ck"), DT_CLK("omap2_mcspi.1", "ick", "dummy_ck"), DT_CLK("omap2_mcspi.2", "ick", "dummy_ck"), DT_CLK("omap2_mcspi.3", "ick", "dummy_ck"), DT_CLK("omap2_mcspi.4", "ick", "dummy_ck"), DT_CLK(NULL, "uart1_ick", "dummy_ck"), DT_CLK(NULL, "uart2_ick", "dummy_ck"), DT_CLK(NULL, "uart3_ick", "dummy_ck"), DT_CLK(NULL, "uart4_ick", "dummy_ck"), DT_CLK("usbhs_omap", "usbhost_ick", "dummy_ck"), DT_CLK("usbhs_omap", "usbtll_fck", "dummy_ck"), DT_CLK("usbhs_tll", "usbtll_fck", "dummy_ck"), DT_CLK("omap_wdt", "ick", "dummy_ck"), DT_CLK(NULL, "timer_32k_ck", "sys_32k_ck"), DT_CLK("omap_timer.1", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("omap_timer.2", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("omap_timer.3", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("omap_timer.4", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("omap_timer.9", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("omap_timer.10", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("omap_timer.11", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("omap_timer.5", "timer_sys_ck", "syc_clk_div_ck"), DT_CLK("omap_timer.6", "timer_sys_ck", "syc_clk_div_ck"), DT_CLK("omap_timer.7", "timer_sys_ck", "syc_clk_div_ck"), DT_CLK("omap_timer.8", "timer_sys_ck", "syc_clk_div_ck"), DT_CLK("4a318000.timer", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("48032000.timer", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("48034000.timer", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("48036000.timer", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("4803e000.timer", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("48086000.timer", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("48088000.timer", "timer_sys_ck", "sys_clkin_ck"), DT_CLK("40138000.timer", "timer_sys_ck", "syc_clk_div_ck"), DT_CLK("4013a000.timer", "timer_sys_ck", "syc_clk_div_ck"), DT_CLK("4013c000.timer", "timer_sys_ck", "syc_clk_div_ck"), DT_CLK("4013e000.timer", "timer_sys_ck", "syc_clk_div_ck"), DT_CLK(NULL, "cpufreq_ck", "dpll_mpu_ck"), DT_CLK(NULL, "bandgap_fclk", "bandgap_fclk"), DT_CLK(NULL, "div_ts_ck", "div_ts_ck"), DT_CLK(NULL, "bandgap_ts_fclk", "bandgap_ts_fclk"), { .node_name = NULL }, }; int __init omap4xxx_dt_clk_init(void) { int rc; struct clk *abe_dpll_ref, *abe_dpll, *sys_32k_ck, *usb_dpll; ti_dt_clocks_register(omap44xx_clks); omap2_clk_disable_autoidle_all(); /* * Lock USB DPLL on OMAP4 devices so that the L3INIT power * domain can transition to retention state when not in use. */ usb_dpll = clk_get_sys(NULL, "dpll_usb_ck"); rc = clk_set_rate(usb_dpll, OMAP4_DPLL_USB_DEFFREQ); if (rc) pr_err("%s: failed to configure USB DPLL!\n", __func__); /* * On OMAP4460 the ABE DPLL fails to turn on if in idle low-power * state when turning the ABE clock domain. Workaround this by * locking the ABE DPLL on boot. * Lock the ABE DPLL in any case to avoid issues with audio. */ abe_dpll_ref = clk_get_sys(NULL, "abe_dpll_refclk_mux_ck"); sys_32k_ck = clk_get_sys(NULL, "sys_32k_ck"); rc = clk_set_parent(abe_dpll_ref, sys_32k_ck); abe_dpll = clk_get_sys(NULL, "dpll_abe_ck"); if (!rc) rc = clk_set_rate(abe_dpll, OMAP4_DPLL_ABE_DEFFREQ); if (rc) pr_err("%s: failed to configure ABE DPLL!\n", __func__); return 0; } |