1 /* 2 * OMAP4 Voltage Controller (VC) data 3 * 4 * Copyright (C) 2007, 2010 Texas Instruments, Inc. 5 * Rajendra Nayak <rnayak@ti.com> 6 * Lesly A M <x0080970@ti.com> 7 * Thara Gopinath <thara@ti.com> 8 * 9 * Copyright (C) 2008, 2011 Nokia Corporation 10 * Kalle Jokiniemi 11 * Paul Walmsley 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License version 2 as 15 * published by the Free Software Foundation. 16 */ 17 #include <linux/io.h> 18 #include <linux/err.h> 19 #include <linux/init.h> 20 21 #include "common.h" 22 23 #include "prm44xx.h" 24 #include "prm-regbits-44xx.h" 25 #include "voltage.h" 26 27 #include "vc.h" 28 29 /* 30 * VC data common to 44xx chips 31 * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file. 32 */ 33 static const struct omap_vc_common omap4_vc_common = { 34 .bypass_val_reg = OMAP4_PRM_VC_VAL_BYPASS_OFFSET, 35 .data_shift = OMAP4430_DATA_SHIFT, 36 .slaveaddr_shift = OMAP4430_SLAVEADDR_SHIFT, 37 .regaddr_shift = OMAP4430_REGADDR_SHIFT, 38 .valid = OMAP4430_VALID_MASK, 39 .cmd_on_shift = OMAP4430_ON_SHIFT, 40 .cmd_on_mask = OMAP4430_ON_MASK, 41 .cmd_onlp_shift = OMAP4430_ONLP_SHIFT, 42 .cmd_ret_shift = OMAP4430_RET_SHIFT, 43 .cmd_off_shift = OMAP4430_OFF_SHIFT, 44 .i2c_cfg_reg = OMAP4_PRM_VC_CFG_I2C_MODE_OFFSET, 45 .i2c_cfg_clear_mask = OMAP4430_SRMODEEN_MASK | OMAP4430_HSMODEEN_MASK, 46 .i2c_cfg_hsen_mask = OMAP4430_HSMODEEN_MASK, 47 .i2c_mcode_mask = OMAP4430_HSMCODE_MASK, 48 }; 49 50 /* VC instance data for each controllable voltage line */ 51 struct omap_vc_channel omap4_vc_mpu = { 52 .flags = OMAP_VC_CHANNEL_DEFAULT | OMAP_VC_CHANNEL_CFG_MUTANT, 53 .common = &omap4_vc_common, 54 .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, 55 .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, 56 .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, 57 .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, 58 .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET, 59 .smps_sa_mask = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_MASK, 60 .smps_volra_mask = OMAP4430_VOLRA_VDD_MPU_L_MASK, 61 .smps_cmdra_mask = OMAP4430_CMDRA_VDD_MPU_L_MASK, 62 .cfg_channel_sa_shift = OMAP4430_SA_VDD_MPU_L_SHIFT, 63 }; 64 65 struct omap_vc_channel omap4_vc_iva = { 66 .common = &omap4_vc_common, 67 .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, 68 .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, 69 .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, 70 .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, 71 .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET, 72 .smps_sa_mask = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_MASK, 73 .smps_volra_mask = OMAP4430_VOLRA_VDD_IVA_L_MASK, 74 .smps_cmdra_mask = OMAP4430_CMDRA_VDD_IVA_L_MASK, 75 .cfg_channel_sa_shift = OMAP4430_SA_VDD_IVA_L_SHIFT, 76 }; 77 78 struct omap_vc_channel omap4_vc_core = { 79 .common = &omap4_vc_common, 80 .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, 81 .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, 82 .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, 83 .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, 84 .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET, 85 .smps_sa_mask = OMAP4430_SA_VDD_CORE_L_0_6_MASK, 86 .smps_volra_mask = OMAP4430_VOLRA_VDD_CORE_L_MASK, 87 .smps_cmdra_mask = OMAP4430_CMDRA_VDD_CORE_L_MASK, 88 .cfg_channel_sa_shift = OMAP4430_SA_VDD_CORE_L_SHIFT, 89 }; 90 91 /* 92 * Voltage levels for different operating modes: on, sleep, retention and off 93 */ 94 #define OMAP4_ON_VOLTAGE_UV 1375000 95 #define OMAP4_ONLP_VOLTAGE_UV 1375000 96 #define OMAP4_RET_VOLTAGE_UV 837500 97 #define OMAP4_OFF_VOLTAGE_UV 0 98 99 struct omap_vc_param omap4_mpu_vc_data = { 100 .on = OMAP4_ON_VOLTAGE_UV, 101 .onlp = OMAP4_ONLP_VOLTAGE_UV, 102 .ret = OMAP4_RET_VOLTAGE_UV, 103 .off = OMAP4_OFF_VOLTAGE_UV, 104 }; 105 106 struct omap_vc_param omap4_iva_vc_data = { 107 .on = OMAP4_ON_VOLTAGE_UV, 108 .onlp = OMAP4_ONLP_VOLTAGE_UV, 109 .ret = OMAP4_RET_VOLTAGE_UV, 110 .off = OMAP4_OFF_VOLTAGE_UV, 111 }; 112 113 struct omap_vc_param omap4_core_vc_data = { 114 .on = OMAP4_ON_VOLTAGE_UV, 115 .onlp = OMAP4_ONLP_VOLTAGE_UV, 116 .ret = OMAP4_RET_VOLTAGE_UV, 117 .off = OMAP4_OFF_VOLTAGE_UV, 118 }; 119