1 /* 2 * OMAP2 Clock init 3 * 4 * Copyright (C) 2013 Texas Instruments, Inc 5 * Tero Kristo (t-kristo@ti.com) 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation version 2. 10 * 11 * This program is distributed "as is" WITHOUT ANY WARRANTY of any 12 * kind, whether express or implied; without even the implied warranty 13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 */ 16 17 #include <linux/kernel.h> 18 #include <linux/list.h> 19 #include <linux/clk.h> 20 #include <linux/clk/ti.h> 21 22 #include "clock.h" 23 24 static struct ti_dt_clk omap2xxx_clks[] = { 25 DT_CLK(NULL, "func_32k_ck", "func_32k_ck"), 26 DT_CLK(NULL, "secure_32k_ck", "secure_32k_ck"), 27 DT_CLK(NULL, "virt_12m_ck", "virt_12m_ck"), 28 DT_CLK(NULL, "virt_13m_ck", "virt_13m_ck"), 29 DT_CLK(NULL, "virt_19200000_ck", "virt_19200000_ck"), 30 DT_CLK(NULL, "virt_26m_ck", "virt_26m_ck"), 31 DT_CLK(NULL, "aplls_clkin_ck", "aplls_clkin_ck"), 32 DT_CLK(NULL, "aplls_clkin_x2_ck", "aplls_clkin_x2_ck"), 33 DT_CLK(NULL, "osc_ck", "osc_ck"), 34 DT_CLK(NULL, "sys_ck", "sys_ck"), 35 DT_CLK(NULL, "alt_ck", "alt_ck"), 36 DT_CLK(NULL, "mcbsp_clks", "mcbsp_clks"), 37 DT_CLK(NULL, "dpll_ck", "dpll_ck"), 38 DT_CLK(NULL, "apll96_ck", "apll96_ck"), 39 DT_CLK(NULL, "apll54_ck", "apll54_ck"), 40 DT_CLK(NULL, "func_54m_ck", "func_54m_ck"), 41 DT_CLK(NULL, "core_ck", "core_ck"), 42 DT_CLK(NULL, "func_96m_ck", "func_96m_ck"), 43 DT_CLK(NULL, "func_48m_ck", "func_48m_ck"), 44 DT_CLK(NULL, "func_12m_ck", "func_12m_ck"), 45 DT_CLK(NULL, "sys_clkout_src", "sys_clkout_src"), 46 DT_CLK(NULL, "sys_clkout", "sys_clkout"), 47 DT_CLK(NULL, "emul_ck", "emul_ck"), 48 DT_CLK(NULL, "mpu_ck", "mpu_ck"), 49 DT_CLK(NULL, "dsp_fck", "dsp_fck"), 50 DT_CLK(NULL, "gfx_3d_fck", "gfx_3d_fck"), 51 DT_CLK(NULL, "gfx_2d_fck", "gfx_2d_fck"), 52 DT_CLK(NULL, "gfx_ick", "gfx_ick"), 53 DT_CLK("omapdss_dss", "ick", "dss_ick"), 54 DT_CLK(NULL, "dss_ick", "dss_ick"), 55 DT_CLK(NULL, "dss1_fck", "dss1_fck"), 56 DT_CLK(NULL, "dss2_fck", "dss2_fck"), 57 DT_CLK(NULL, "dss_54m_fck", "dss_54m_fck"), 58 DT_CLK(NULL, "core_l3_ck", "core_l3_ck"), 59 DT_CLK(NULL, "ssi_fck", "ssi_ssr_sst_fck"), 60 DT_CLK(NULL, "usb_l4_ick", "usb_l4_ick"), 61 DT_CLK(NULL, "l4_ck", "l4_ck"), 62 DT_CLK(NULL, "ssi_l4_ick", "ssi_l4_ick"), 63 DT_CLK(NULL, "gpt1_ick", "gpt1_ick"), 64 DT_CLK(NULL, "gpt1_fck", "gpt1_fck"), 65 DT_CLK(NULL, "gpt2_ick", "gpt2_ick"), 66 DT_CLK(NULL, "gpt2_fck", "gpt2_fck"), 67 DT_CLK(NULL, "gpt3_ick", "gpt3_ick"), 68 DT_CLK(NULL, "gpt3_fck", "gpt3_fck"), 69 DT_CLK(NULL, "gpt4_ick", "gpt4_ick"), 70 DT_CLK(NULL, "gpt4_fck", "gpt4_fck"), 71 DT_CLK(NULL, "gpt5_ick", "gpt5_ick"), 72 DT_CLK(NULL, "gpt5_fck", "gpt5_fck"), 73 DT_CLK(NULL, "gpt6_ick", "gpt6_ick"), 74 DT_CLK(NULL, "gpt6_fck", "gpt6_fck"), 75 DT_CLK(NULL, "gpt7_ick", "gpt7_ick"), 76 DT_CLK(NULL, "gpt7_fck", "gpt7_fck"), 77 DT_CLK(NULL, "gpt8_ick", "gpt8_ick"), 78 DT_CLK(NULL, "gpt8_fck", "gpt8_fck"), 79 DT_CLK(NULL, "gpt9_ick", "gpt9_ick"), 80 DT_CLK(NULL, "gpt9_fck", "gpt9_fck"), 81 DT_CLK(NULL, "gpt10_ick", "gpt10_ick"), 82 DT_CLK(NULL, "gpt10_fck", "gpt10_fck"), 83 DT_CLK(NULL, "gpt11_ick", "gpt11_ick"), 84 DT_CLK(NULL, "gpt11_fck", "gpt11_fck"), 85 DT_CLK(NULL, "gpt12_ick", "gpt12_ick"), 86 DT_CLK(NULL, "gpt12_fck", "gpt12_fck"), 87 DT_CLK("omap-mcbsp.1", "ick", "mcbsp1_ick"), 88 DT_CLK(NULL, "mcbsp1_ick", "mcbsp1_ick"), 89 DT_CLK(NULL, "mcbsp1_fck", "mcbsp1_fck"), 90 DT_CLK("omap-mcbsp.2", "ick", "mcbsp2_ick"), 91 DT_CLK(NULL, "mcbsp2_ick", "mcbsp2_ick"), 92 DT_CLK(NULL, "mcbsp2_fck", "mcbsp2_fck"), 93 DT_CLK("omap2_mcspi.1", "ick", "mcspi1_ick"), 94 DT_CLK(NULL, "mcspi1_ick", "mcspi1_ick"), 95 DT_CLK(NULL, "mcspi1_fck", "mcspi1_fck"), 96 DT_CLK("omap2_mcspi.2", "ick", "mcspi2_ick"), 97 DT_CLK(NULL, "mcspi2_ick", "mcspi2_ick"), 98 DT_CLK(NULL, "mcspi2_fck", "mcspi2_fck"), 99 DT_CLK(NULL, "uart1_ick", "uart1_ick"), 100 DT_CLK(NULL, "uart1_fck", "uart1_fck"), 101 DT_CLK(NULL, "uart2_ick", "uart2_ick"), 102 DT_CLK(NULL, "uart2_fck", "uart2_fck"), 103 DT_CLK(NULL, "uart3_ick", "uart3_ick"), 104 DT_CLK(NULL, "uart3_fck", "uart3_fck"), 105 DT_CLK(NULL, "gpios_ick", "gpios_ick"), 106 DT_CLK(NULL, "gpios_fck", "gpios_fck"), 107 DT_CLK("omap_wdt", "ick", "mpu_wdt_ick"), 108 DT_CLK(NULL, "mpu_wdt_ick", "mpu_wdt_ick"), 109 DT_CLK(NULL, "mpu_wdt_fck", "mpu_wdt_fck"), 110 DT_CLK(NULL, "sync_32k_ick", "sync_32k_ick"), 111 DT_CLK(NULL, "wdt1_ick", "wdt1_ick"), 112 DT_CLK(NULL, "omapctrl_ick", "omapctrl_ick"), 113 DT_CLK("omap24xxcam", "fck", "cam_fck"), 114 DT_CLK(NULL, "cam_fck", "cam_fck"), 115 DT_CLK("omap24xxcam", "ick", "cam_ick"), 116 DT_CLK(NULL, "cam_ick", "cam_ick"), 117 DT_CLK(NULL, "mailboxes_ick", "mailboxes_ick"), 118 DT_CLK(NULL, "wdt4_ick", "wdt4_ick"), 119 DT_CLK(NULL, "wdt4_fck", "wdt4_fck"), 120 DT_CLK(NULL, "mspro_ick", "mspro_ick"), 121 DT_CLK(NULL, "mspro_fck", "mspro_fck"), 122 DT_CLK(NULL, "fac_ick", "fac_ick"), 123 DT_CLK(NULL, "fac_fck", "fac_fck"), 124 DT_CLK("omap_hdq.0", "ick", "hdq_ick"), 125 DT_CLK(NULL, "hdq_ick", "hdq_ick"), 126 DT_CLK("omap_hdq.0", "fck", "hdq_fck"), 127 DT_CLK(NULL, "hdq_fck", "hdq_fck"), 128 DT_CLK("omap_i2c.1", "ick", "i2c1_ick"), 129 DT_CLK(NULL, "i2c1_ick", "i2c1_ick"), 130 DT_CLK("omap_i2c.2", "ick", "i2c2_ick"), 131 DT_CLK(NULL, "i2c2_ick", "i2c2_ick"), 132 DT_CLK(NULL, "gpmc_fck", "gpmc_fck"), 133 DT_CLK(NULL, "sdma_fck", "sdma_fck"), 134 DT_CLK(NULL, "sdma_ick", "sdma_ick"), 135 DT_CLK(NULL, "sdrc_ick", "sdrc_ick"), 136 DT_CLK(NULL, "des_ick", "des_ick"), 137 DT_CLK("omap-sham", "ick", "sha_ick"), 138 DT_CLK(NULL, "sha_ick", "sha_ick"), 139 DT_CLK("omap_rng", "ick", "rng_ick"), 140 DT_CLK(NULL, "rng_ick", "rng_ick"), 141 DT_CLK("omap-aes", "ick", "aes_ick"), 142 DT_CLK(NULL, "aes_ick", "aes_ick"), 143 DT_CLK(NULL, "pka_ick", "pka_ick"), 144 DT_CLK(NULL, "usb_fck", "usb_fck"), 145 DT_CLK(NULL, "timer_32k_ck", "func_32k_ck"), 146 DT_CLK(NULL, "timer_sys_ck", "sys_ck"), 147 DT_CLK(NULL, "timer_ext_ck", "alt_ck"), 148 { .node_name = NULL }, 149 }; 150 151 static struct ti_dt_clk omap2420_clks[] = { 152 DT_CLK(NULL, "sys_clkout2_src", "sys_clkout2_src"), 153 DT_CLK(NULL, "sys_clkout2", "sys_clkout2"), 154 DT_CLK(NULL, "dsp_ick", "dsp_ick"), 155 DT_CLK(NULL, "iva1_ifck", "iva1_ifck"), 156 DT_CLK(NULL, "iva1_mpu_int_ifck", "iva1_mpu_int_ifck"), 157 DT_CLK(NULL, "wdt3_ick", "wdt3_ick"), 158 DT_CLK(NULL, "wdt3_fck", "wdt3_fck"), 159 DT_CLK("mmci-omap.0", "ick", "mmc_ick"), 160 DT_CLK(NULL, "mmc_ick", "mmc_ick"), 161 DT_CLK("mmci-omap.0", "fck", "mmc_fck"), 162 DT_CLK(NULL, "mmc_fck", "mmc_fck"), 163 DT_CLK(NULL, "eac_ick", "eac_ick"), 164 DT_CLK(NULL, "eac_fck", "eac_fck"), 165 DT_CLK(NULL, "i2c1_fck", "i2c1_fck"), 166 DT_CLK(NULL, "i2c2_fck", "i2c2_fck"), 167 DT_CLK(NULL, "vlynq_ick", "vlynq_ick"), 168 DT_CLK(NULL, "vlynq_fck", "vlynq_fck"), 169 DT_CLK("musb-hdrc", "fck", "osc_ck"), 170 { .node_name = NULL }, 171 }; 172 173 static struct ti_dt_clk omap2430_clks[] = { 174 DT_CLK("twl", "fck", "osc_ck"), 175 DT_CLK(NULL, "iva2_1_ick", "iva2_1_ick"), 176 DT_CLK(NULL, "mdm_ick", "mdm_ick"), 177 DT_CLK(NULL, "mdm_osc_ck", "mdm_osc_ck"), 178 DT_CLK("omap-mcbsp.3", "ick", "mcbsp3_ick"), 179 DT_CLK(NULL, "mcbsp3_ick", "mcbsp3_ick"), 180 DT_CLK(NULL, "mcbsp3_fck", "mcbsp3_fck"), 181 DT_CLK("omap-mcbsp.4", "ick", "mcbsp4_ick"), 182 DT_CLK(NULL, "mcbsp4_ick", "mcbsp4_ick"), 183 DT_CLK(NULL, "mcbsp4_fck", "mcbsp4_fck"), 184 DT_CLK("omap-mcbsp.5", "ick", "mcbsp5_ick"), 185 DT_CLK(NULL, "mcbsp5_ick", "mcbsp5_ick"), 186 DT_CLK(NULL, "mcbsp5_fck", "mcbsp5_fck"), 187 DT_CLK("omap2_mcspi.3", "ick", "mcspi3_ick"), 188 DT_CLK(NULL, "mcspi3_ick", "mcspi3_ick"), 189 DT_CLK(NULL, "mcspi3_fck", "mcspi3_fck"), 190 DT_CLK(NULL, "icr_ick", "icr_ick"), 191 DT_CLK(NULL, "i2chs1_fck", "i2chs1_fck"), 192 DT_CLK(NULL, "i2chs2_fck", "i2chs2_fck"), 193 DT_CLK("musb-omap2430", "ick", "usbhs_ick"), 194 DT_CLK(NULL, "usbhs_ick", "usbhs_ick"), 195 DT_CLK("omap_hsmmc.0", "ick", "mmchs1_ick"), 196 DT_CLK(NULL, "mmchs1_ick", "mmchs1_ick"), 197 DT_CLK(NULL, "mmchs1_fck", "mmchs1_fck"), 198 DT_CLK("omap_hsmmc.1", "ick", "mmchs2_ick"), 199 DT_CLK(NULL, "mmchs2_ick", "mmchs2_ick"), 200 DT_CLK(NULL, "mmchs2_fck", "mmchs2_fck"), 201 DT_CLK(NULL, "gpio5_ick", "gpio5_ick"), 202 DT_CLK(NULL, "gpio5_fck", "gpio5_fck"), 203 DT_CLK(NULL, "mdm_intc_ick", "mdm_intc_ick"), 204 DT_CLK("omap_hsmmc.0", "mmchsdb_fck", "mmchsdb1_fck"), 205 DT_CLK(NULL, "mmchsdb1_fck", "mmchsdb1_fck"), 206 DT_CLK("omap_hsmmc.1", "mmchsdb_fck", "mmchsdb2_fck"), 207 DT_CLK(NULL, "mmchsdb2_fck", "mmchsdb2_fck"), 208 { .node_name = NULL }, 209 }; 210 211 static const char *enable_init_clks[] = { 212 "apll96_ck", 213 "apll54_ck", 214 "sync_32k_ick", 215 "omapctrl_ick", 216 "gpmc_fck", 217 "sdrc_ick", 218 }; 219 220 enum { 221 OMAP2_SOC_OMAP2420, 222 OMAP2_SOC_OMAP2430, 223 }; 224 225 static int __init omap2xxx_dt_clk_init(int soc_type) 226 { 227 ti_dt_clocks_register(omap2xxx_clks); 228 229 if (soc_type == OMAP2_SOC_OMAP2420) 230 ti_dt_clocks_register(omap2420_clks); 231 else 232 ti_dt_clocks_register(omap2430_clks); 233 234 omap2xxx_clkt_vps_init(); 235 236 omap2_clk_disable_autoidle_all(); 237 238 omap2_clk_enable_init_clocks(enable_init_clks, 239 ARRAY_SIZE(enable_init_clks)); 240 241 pr_info("Clocking rate (Crystal/DPLL/MPU): %ld.%01ld/%ld/%ld MHz\n", 242 (clk_get_rate(clk_get_sys(NULL, "sys_ck")) / 1000000), 243 (clk_get_rate(clk_get_sys(NULL, "sys_ck")) / 100000) % 10, 244 (clk_get_rate(clk_get_sys(NULL, "dpll_ck")) / 1000000), 245 (clk_get_rate(clk_get_sys(NULL, "mpu_ck")) / 1000000)); 246 247 return 0; 248 } 249 250 int __init omap2420_dt_clk_init(void) 251 { 252 return omap2xxx_dt_clk_init(OMAP2_SOC_OMAP2420); 253 } 254 255 int __init omap2430_dt_clk_init(void) 256 { 257 return omap2xxx_dt_clk_init(OMAP2_SOC_OMAP2430); 258 } 259