Ambresh K | c9218fe | 2013-10-12 15:46:03 +0530 | [diff] [blame] | 1 | /* |
| 2 | * AM43xx Clock domains framework |
| 3 | * |
| 4 | * Copyright (C) 2013 Texas Instruments, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/kernel.h> |
| 12 | #include <linux/io.h> |
| 13 | |
| 14 | #include "clockdomain.h" |
| 15 | #include "prcm44xx.h" |
| 16 | #include "prcm43xx.h" |
| 17 | |
| 18 | static struct clockdomain l4_cefuse_43xx_clkdm = { |
| 19 | .name = "l4_cefuse_clkdm", |
| 20 | .pwrdm = { .name = "cefuse_pwrdm" }, |
| 21 | .prcm_partition = AM43XX_CM_PARTITION, |
| 22 | .cm_inst = AM43XX_CM_CEFUSE_INST, |
| 23 | .clkdm_offs = AM43XX_CM_CEFUSE_CEFUSE_CDOFFS, |
| 24 | .flags = CLKDM_CAN_SWSUP, |
| 25 | }; |
| 26 | |
| 27 | static struct clockdomain mpu_43xx_clkdm = { |
| 28 | .name = "mpu_clkdm", |
| 29 | .pwrdm = { .name = "mpu_pwrdm" }, |
| 30 | .prcm_partition = AM43XX_CM_PARTITION, |
| 31 | .cm_inst = AM43XX_CM_MPU_INST, |
| 32 | .clkdm_offs = AM43XX_CM_MPU_MPU_CDOFFS, |
| 33 | .flags = CLKDM_CAN_HWSUP_SWSUP, |
| 34 | }; |
| 35 | |
| 36 | static struct clockdomain l4ls_43xx_clkdm = { |
| 37 | .name = "l4ls_clkdm", |
| 38 | .pwrdm = { .name = "per_pwrdm" }, |
| 39 | .prcm_partition = AM43XX_CM_PARTITION, |
| 40 | .cm_inst = AM43XX_CM_PER_INST, |
| 41 | .clkdm_offs = AM43XX_CM_PER_L4LS_CDOFFS, |
| 42 | .flags = CLKDM_CAN_SWSUP, |
| 43 | }; |
| 44 | |
| 45 | static struct clockdomain tamper_43xx_clkdm = { |
| 46 | .name = "tamper_clkdm", |
| 47 | .pwrdm = { .name = "tamper_pwrdm" }, |
| 48 | .prcm_partition = AM43XX_CM_PARTITION, |
| 49 | .cm_inst = AM43XX_CM_TAMPER_INST, |
| 50 | .clkdm_offs = AM43XX_CM_TAMPER_TAMPER_CDOFFS, |
| 51 | .flags = CLKDM_CAN_SWSUP, |
| 52 | }; |
| 53 | |
| 54 | static struct clockdomain l4_rtc_43xx_clkdm = { |
| 55 | .name = "l4_rtc_clkdm", |
| 56 | .pwrdm = { .name = "rtc_pwrdm" }, |
| 57 | .prcm_partition = AM43XX_CM_PARTITION, |
| 58 | .cm_inst = AM43XX_CM_RTC_INST, |
| 59 | .clkdm_offs = AM43XX_CM_RTC_RTC_CDOFFS, |
| 60 | .flags = CLKDM_CAN_SWSUP, |
| 61 | }; |
| 62 | |
| 63 | static struct clockdomain pruss_ocp_43xx_clkdm = { |
| 64 | .name = "pruss_ocp_clkdm", |
| 65 | .pwrdm = { .name = "per_pwrdm" }, |
| 66 | .prcm_partition = AM43XX_CM_PARTITION, |
| 67 | .cm_inst = AM43XX_CM_PER_INST, |
| 68 | .clkdm_offs = AM43XX_CM_PER_ICSS_CDOFFS, |
| 69 | .flags = CLKDM_CAN_SWSUP, |
| 70 | }; |
| 71 | |
| 72 | static struct clockdomain ocpwp_l3_43xx_clkdm = { |
| 73 | .name = "ocpwp_l3_clkdm", |
| 74 | .pwrdm = { .name = "per_pwrdm" }, |
| 75 | .prcm_partition = AM43XX_CM_PARTITION, |
| 76 | .cm_inst = AM43XX_CM_PER_INST, |
| 77 | .clkdm_offs = AM43XX_CM_PER_OCPWP_L3_CDOFFS, |
| 78 | .flags = CLKDM_CAN_SWSUP, |
| 79 | }; |
| 80 | |
| 81 | static struct clockdomain l3s_tsc_43xx_clkdm = { |
| 82 | .name = "l3s_tsc_clkdm", |
| 83 | .pwrdm = { .name = "wkup_pwrdm" }, |
| 84 | .prcm_partition = AM43XX_CM_PARTITION, |
| 85 | .cm_inst = AM43XX_CM_WKUP_INST, |
| 86 | .clkdm_offs = AM43XX_CM_WKUP_L3S_TSC_CDOFFS, |
| 87 | .flags = CLKDM_CAN_SWSUP, |
| 88 | }; |
| 89 | |
| 90 | static struct clockdomain dss_43xx_clkdm = { |
| 91 | .name = "dss_clkdm", |
| 92 | .pwrdm = { .name = "per_pwrdm" }, |
| 93 | .prcm_partition = AM43XX_CM_PARTITION, |
| 94 | .cm_inst = AM43XX_CM_PER_INST, |
| 95 | .clkdm_offs = AM43XX_CM_PER_DSS_CDOFFS, |
| 96 | .flags = CLKDM_CAN_SWSUP, |
| 97 | }; |
| 98 | |
| 99 | static struct clockdomain l3_aon_43xx_clkdm = { |
| 100 | .name = "l3_aon_clkdm", |
| 101 | .pwrdm = { .name = "wkup_pwrdm" }, |
| 102 | .prcm_partition = AM43XX_CM_PARTITION, |
| 103 | .cm_inst = AM43XX_CM_WKUP_INST, |
| 104 | .clkdm_offs = AM43XX_CM_WKUP_L3_AON_CDOFFS, |
| 105 | .flags = CLKDM_CAN_SWSUP, |
| 106 | }; |
| 107 | |
| 108 | static struct clockdomain emif_43xx_clkdm = { |
| 109 | .name = "emif_clkdm", |
| 110 | .pwrdm = { .name = "per_pwrdm" }, |
| 111 | .prcm_partition = AM43XX_CM_PARTITION, |
| 112 | .cm_inst = AM43XX_CM_PER_INST, |
| 113 | .clkdm_offs = AM43XX_CM_PER_EMIF_CDOFFS, |
| 114 | .flags = CLKDM_CAN_SWSUP, |
| 115 | }; |
| 116 | |
| 117 | static struct clockdomain l4_wkup_aon_43xx_clkdm = { |
| 118 | .name = "l4_wkup_aon_clkdm", |
| 119 | .pwrdm = { .name = "wkup_pwrdm" }, |
| 120 | .prcm_partition = AM43XX_CM_PARTITION, |
| 121 | .cm_inst = AM43XX_CM_WKUP_INST, |
| 122 | .clkdm_offs = AM43XX_CM_WKUP_L4_WKUP_AON_CDOFFS, |
| 123 | }; |
| 124 | |
| 125 | static struct clockdomain l3_43xx_clkdm = { |
| 126 | .name = "l3_clkdm", |
| 127 | .pwrdm = { .name = "per_pwrdm" }, |
| 128 | .prcm_partition = AM43XX_CM_PARTITION, |
| 129 | .cm_inst = AM43XX_CM_PER_INST, |
| 130 | .clkdm_offs = AM43XX_CM_PER_L3_CDOFFS, |
| 131 | .flags = CLKDM_CAN_SWSUP, |
| 132 | }; |
| 133 | |
| 134 | static struct clockdomain l4_wkup_43xx_clkdm = { |
| 135 | .name = "l4_wkup_clkdm", |
| 136 | .pwrdm = { .name = "wkup_pwrdm" }, |
| 137 | .prcm_partition = AM43XX_CM_PARTITION, |
| 138 | .cm_inst = AM43XX_CM_WKUP_INST, |
| 139 | .clkdm_offs = AM43XX_CM_WKUP_WKUP_CDOFFS, |
| 140 | .flags = CLKDM_CAN_SWSUP, |
| 141 | }; |
| 142 | |
| 143 | static struct clockdomain cpsw_125mhz_43xx_clkdm = { |
| 144 | .name = "cpsw_125mhz_clkdm", |
| 145 | .pwrdm = { .name = "per_pwrdm" }, |
| 146 | .prcm_partition = AM43XX_CM_PARTITION, |
| 147 | .cm_inst = AM43XX_CM_PER_INST, |
| 148 | .clkdm_offs = AM43XX_CM_PER_CPSW_CDOFFS, |
| 149 | .flags = CLKDM_CAN_SWSUP, |
| 150 | }; |
| 151 | |
| 152 | static struct clockdomain gfx_l3_43xx_clkdm = { |
| 153 | .name = "gfx_l3_clkdm", |
| 154 | .pwrdm = { .name = "gfx_pwrdm" }, |
| 155 | .prcm_partition = AM43XX_CM_PARTITION, |
| 156 | .cm_inst = AM43XX_CM_GFX_INST, |
| 157 | .clkdm_offs = AM43XX_CM_GFX_GFX_L3_CDOFFS, |
| 158 | .flags = CLKDM_CAN_SWSUP, |
| 159 | }; |
| 160 | |
| 161 | static struct clockdomain l3s_43xx_clkdm = { |
| 162 | .name = "l3s_clkdm", |
| 163 | .pwrdm = { .name = "per_pwrdm" }, |
| 164 | .prcm_partition = AM43XX_CM_PARTITION, |
| 165 | .cm_inst = AM43XX_CM_PER_INST, |
| 166 | .clkdm_offs = AM43XX_CM_PER_L3S_CDOFFS, |
| 167 | .flags = CLKDM_CAN_SWSUP, |
| 168 | }; |
| 169 | |
| 170 | static struct clockdomain *clockdomains_am43xx[] __initdata = { |
| 171 | &l4_cefuse_43xx_clkdm, |
| 172 | &mpu_43xx_clkdm, |
| 173 | &l4ls_43xx_clkdm, |
| 174 | &tamper_43xx_clkdm, |
| 175 | &l4_rtc_43xx_clkdm, |
| 176 | &pruss_ocp_43xx_clkdm, |
| 177 | &ocpwp_l3_43xx_clkdm, |
| 178 | &l3s_tsc_43xx_clkdm, |
| 179 | &dss_43xx_clkdm, |
| 180 | &l3_aon_43xx_clkdm, |
| 181 | &emif_43xx_clkdm, |
| 182 | &l4_wkup_aon_43xx_clkdm, |
| 183 | &l3_43xx_clkdm, |
| 184 | &l4_wkup_43xx_clkdm, |
| 185 | &cpsw_125mhz_43xx_clkdm, |
| 186 | &gfx_l3_43xx_clkdm, |
| 187 | &l3s_43xx_clkdm, |
| 188 | NULL |
| 189 | }; |
| 190 | |
| 191 | void __init am43xx_clockdomains_init(void) |
| 192 | { |
| 193 | clkdm_register_platform_funcs(&am43xx_clkdm_operations); |
| 194 | clkdm_register_clkdms(clockdomains_am43xx); |
| 195 | clkdm_complete_init(); |
| 196 | } |