arch/arm/mach-omap2/clockdomains81xx_data.c

   1 /*
   2  * TI81XX Clock Domain data.
   3  *
   4  * Copyright (C) 2010 Texas Instruments, Inc. - http://www.ti.com/
   5  * Copyright (C) 2013 SKTB SKiT, http://www.skitlab.ru/
   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 #ifndef __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_81XX_H
  18 #define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_81XX_H
  19
  20 #include <linux/kernel.h>
  21 #include <linux/io.h>
  22
  23 #include "clockdomain.h"
  24 #include "cm81xx.h"
  25
  26 /*
  27  * Note that 814x seems to have HWSUP_SWSUP for many clockdomains
  28  * while 816x does not. According to the TRM, 816x only has HWSUP
  29  * for ALWON_L3_FAST. Also note that the TI tree clockdomains81xx.h
  30  * seems to have the related ifdef the wrong way around claiming
  31  * 816x supports HWSUP while 814x does not. For now, we only set
  32  * HWSUP for ALWON_L3_FAST as that seems to be supported for both
  33  * dm814x and dm816x.
  34  */
  35
  36 /* Common for 81xx */
  37
  38 static struct clockdomain alwon_l3_slow_81xx_clkdm = {
  39         .name           = "alwon_l3s_clkdm",
  40         .pwrdm          = { .name = "alwon_pwrdm" },
  41         .cm_inst        = TI81XX_CM_ALWON_MOD,
  42         .clkdm_offs     = TI81XX_CM_ALWON_L3_SLOW_CLKDM,
  43         .flags          = CLKDM_CAN_SWSUP,
  44 };
  45
  46 static struct clockdomain alwon_l3_med_81xx_clkdm = {
  47         .name           = "alwon_l3_med_clkdm",
  48         .pwrdm          = { .name = "alwon_pwrdm" },
  49         .cm_inst        = TI81XX_CM_ALWON_MOD,
  50         .clkdm_offs     = TI81XX_CM_ALWON_L3_MED_CLKDM,
  51         .flags          = CLKDM_CAN_SWSUP,
  52 };
  53
  54 static struct clockdomain alwon_l3_fast_81xx_clkdm = {
  55         .name           = "alwon_l3_fast_clkdm",
  56         .pwrdm          = { .name = "alwon_pwrdm" },
  57         .cm_inst        = TI81XX_CM_ALWON_MOD,
  58         .clkdm_offs     = TI81XX_CM_ALWON_L3_FAST_CLKDM,
  59         .flags          = CLKDM_CAN_HWSUP_SWSUP,
  60 };
  61
  62 static struct clockdomain alwon_ethernet_81xx_clkdm = {
  63         .name           = "alwon_ethernet_clkdm",
  64         .pwrdm          = { .name = "alwon_pwrdm" },
  65         .cm_inst        = TI81XX_CM_ALWON_MOD,
  66         .clkdm_offs     = TI81XX_CM_ETHERNET_CLKDM,
  67         .flags          = CLKDM_CAN_SWSUP,
  68 };
  69
  70 static struct clockdomain mmu_81xx_clkdm = {
  71         .name           = "mmu_clkdm",
  72         .pwrdm          = { .name = "alwon_pwrdm" },
  73         .cm_inst        = TI81XX_CM_ALWON_MOD,
  74         .clkdm_offs     = TI81XX_CM_MMU_CLKDM,
  75         .flags          = CLKDM_CAN_SWSUP,
  76 };
  77
  78 static struct clockdomain mmu_cfg_81xx_clkdm = {
  79         .name           = "mmu_cfg_clkdm",
  80         .pwrdm          = { .name = "alwon_pwrdm" },
  81         .cm_inst        = TI81XX_CM_ALWON_MOD,
  82         .clkdm_offs     = TI81XX_CM_MMUCFG_CLKDM,
  83         .flags          = CLKDM_CAN_SWSUP,
  84 };
  85
  86 /* 816x only */
  87
  88 static struct clockdomain alwon_mpu_816x_clkdm = {
  89         .name           = "alwon_mpu_clkdm",
  90         .pwrdm          = { .name = "alwon_pwrdm" },
  91         .cm_inst        = TI81XX_CM_ALWON_MOD,
  92         .clkdm_offs     = TI81XX_CM_ALWON_MPU_CLKDM,
  93         .flags          = CLKDM_CAN_SWSUP,
  94 };
  95
  96 static struct clockdomain active_gem_816x_clkdm = {
  97         .name           = "active_gem_clkdm",
  98         .pwrdm          = { .name = "active_pwrdm" },
  99         .cm_inst        = TI816X_CM_ACTIVE_MOD,
 100         .clkdm_offs     = TI816X_CM_ACTIVE_GEM_CLKDM,
 101         .flags          = CLKDM_CAN_SWSUP,
 102 };
 103
 104 static struct clockdomain ivahd0_816x_clkdm = {
 105         .name           = "ivahd0_clkdm",
 106         .pwrdm          = { .name = "ivahd0_pwrdm" },
 107         .cm_inst        = TI816X_CM_IVAHD0_MOD,
 108         .clkdm_offs     = TI816X_CM_IVAHD0_CLKDM,
 109         .flags          = CLKDM_CAN_SWSUP,
 110 };
 111
 112 static struct clockdomain ivahd1_816x_clkdm = {
 113         .name           = "ivahd1_clkdm",
 114         .pwrdm          = { .name = "ivahd1_pwrdm" },
 115         .cm_inst        = TI816X_CM_IVAHD1_MOD,
 116         .clkdm_offs     = TI816X_CM_IVAHD1_CLKDM,
 117         .flags          = CLKDM_CAN_SWSUP,
 118 };
 119
 120 static struct clockdomain ivahd2_816x_clkdm = {
 121         .name           = "ivahd2_clkdm",
 122         .pwrdm          = { .name = "ivahd2_pwrdm" },
 123         .cm_inst        = TI816X_CM_IVAHD2_MOD,
 124         .clkdm_offs     = TI816X_CM_IVAHD2_CLKDM,
 125         .flags          = CLKDM_CAN_SWSUP,
 126 };
 127
 128 static struct clockdomain sgx_816x_clkdm = {
 129         .name           = "sgx_clkdm",
 130         .pwrdm          = { .name = "sgx_pwrdm" },
 131         .cm_inst        = TI816X_CM_SGX_MOD,
 132         .clkdm_offs     = TI816X_CM_SGX_CLKDM,
 133         .flags          = CLKDM_CAN_SWSUP,
 134 };
 135
 136 static struct clockdomain default_l3_med_816x_clkdm = {
 137         .name           = "default_l3_med_clkdm",
 138         .pwrdm          = { .name = "default_pwrdm" },
 139         .cm_inst        = TI816X_CM_DEFAULT_MOD,
 140         .clkdm_offs     = TI816X_CM_DEFAULT_L3_MED_CLKDM,
 141         .flags          = CLKDM_CAN_SWSUP,
 142 };
 143
 144 static struct clockdomain default_ducati_816x_clkdm = {
 145         .name           = "default_ducati_clkdm",
 146         .pwrdm          = { .name = "default_pwrdm" },
 147         .cm_inst        = TI816X_CM_DEFAULT_MOD,
 148         .clkdm_offs     = TI816X_CM_DEFAULT_DUCATI_CLKDM,
 149         .flags          = CLKDM_CAN_SWSUP,
 150 };
 151
 152 static struct clockdomain default_pci_816x_clkdm = {
 153         .name           = "default_pci_clkdm",
 154         .pwrdm          = { .name = "default_pwrdm" },
 155         .cm_inst        = TI816X_CM_DEFAULT_MOD,
 156         .clkdm_offs     = TI816X_CM_DEFAULT_PCI_CLKDM,
 157         .flags          = CLKDM_CAN_SWSUP,
 158 };
 159
 160 static struct clockdomain default_l3_slow_816x_clkdm = {
 161         .name           = "default_l3_slow_clkdm",
 162         .pwrdm          = { .name = "default_pwrdm" },
 163         .cm_inst        = TI816X_CM_DEFAULT_MOD,
 164         .clkdm_offs     = TI816X_CM_DEFAULT_L3_SLOW_CLKDM,
 165         .flags          = CLKDM_CAN_SWSUP,
 166 };
 167
 168 static struct clockdomain *clockdomains_ti814x[] __initdata = {
 169         &alwon_l3_slow_81xx_clkdm,
 170         &alwon_l3_med_81xx_clkdm,
 171         &alwon_l3_fast_81xx_clkdm,
 172         &alwon_ethernet_81xx_clkdm,
 173         &mmu_81xx_clkdm,
 174         &mmu_cfg_81xx_clkdm,
 175         NULL,
 176 };
 177
 178 void __init ti814x_clockdomains_init(void)
 179 {
 180         clkdm_register_platform_funcs(&am33xx_clkdm_operations);
 181         clkdm_register_clkdms(clockdomains_ti814x);
 182         clkdm_complete_init();
 183 }
 184
 185 static struct clockdomain *clockdomains_ti816x[] __initdata = {
 186         &alwon_mpu_816x_clkdm,
 187         &alwon_l3_slow_81xx_clkdm,
 188         &alwon_l3_med_81xx_clkdm,
 189         &alwon_l3_fast_81xx_clkdm,
 190         &alwon_ethernet_81xx_clkdm,
 191         &mmu_81xx_clkdm,
 192         &mmu_cfg_81xx_clkdm,
 193         &active_gem_816x_clkdm,
 194         &ivahd0_816x_clkdm,
 195         &ivahd1_816x_clkdm,
 196         &ivahd2_816x_clkdm,
 197         &sgx_816x_clkdm,
 198         &default_l3_med_816x_clkdm,
 199         &default_ducati_816x_clkdm,
 200         &default_pci_816x_clkdm,
 201         &default_l3_slow_816x_clkdm,
 202         NULL,
 203 };
 204
 205 void __init ti816x_clockdomains_init(void)
 206 {
 207         clkdm_register_platform_funcs(&am33xx_clkdm_operations);
 208         clkdm_register_clkdms(clockdomains_ti816x);
 209         clkdm_complete_init();
 210 }
 211 #endif