1 /* 2 * OMAP3 Voltage Processor (VP) 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 18 #include <linux/io.h> 19 #include <linux/err.h> 20 #include <linux/init.h> 21 22 #include "common.h" 23 24 #include "prm44xx.h" 25 #include "prm-regbits-44xx.h" 26 #include "voltage.h" 27 28 #include "vp.h" 29 30 static const struct omap_vp_ops omap4_vp_ops = { 31 .check_txdone = omap_prm_vp_check_txdone, 32 .clear_txdone = omap_prm_vp_clear_txdone, 33 }; 34 35 /* 36 * VP data common to 44xx chips 37 * XXX This stuff presumably belongs in the vp44xx.c or vp.c file. 38 */ 39 static const struct omap_vp_common omap4_vp_common = { 40 .vpconfig_erroroffset_mask = OMAP4430_ERROROFFSET_MASK, 41 .vpconfig_errorgain_mask = OMAP4430_ERRORGAIN_MASK, 42 .vpconfig_initvoltage_mask = OMAP4430_INITVOLTAGE_MASK, 43 .vpconfig_timeouten = OMAP4430_TIMEOUTEN_MASK, 44 .vpconfig_initvdd = OMAP4430_INITVDD_MASK, 45 .vpconfig_forceupdate = OMAP4430_FORCEUPDATE_MASK, 46 .vpconfig_vpenable = OMAP4430_VPENABLE_MASK, 47 .vstepmin_smpswaittimemin_shift = OMAP4430_SMPSWAITTIMEMIN_SHIFT, 48 .vstepmax_smpswaittimemax_shift = OMAP4430_SMPSWAITTIMEMAX_SHIFT, 49 .vstepmin_stepmin_shift = OMAP4430_VSTEPMIN_SHIFT, 50 .vstepmax_stepmax_shift = OMAP4430_VSTEPMAX_SHIFT, 51 .vlimitto_vddmin_shift = OMAP4430_VDDMIN_SHIFT, 52 .vlimitto_vddmax_shift = OMAP4430_VDDMAX_SHIFT, 53 .vlimitto_timeout_shift = OMAP4430_TIMEOUT_SHIFT, 54 .vpvoltage_mask = OMAP4430_VPVOLTAGE_MASK, 55 .ops = &omap4_vp_ops, 56 }; 57 58 struct omap_vp_instance omap4_vp_mpu = { 59 .id = OMAP4_VP_VDD_MPU_ID, 60 .common = &omap4_vp_common, 61 .vpconfig = OMAP4_PRM_VP_MPU_CONFIG_OFFSET, 62 .vstepmin = OMAP4_PRM_VP_MPU_VSTEPMIN_OFFSET, 63 .vstepmax = OMAP4_PRM_VP_MPU_VSTEPMAX_OFFSET, 64 .vlimitto = OMAP4_PRM_VP_MPU_VLIMITTO_OFFSET, 65 .vstatus = OMAP4_PRM_VP_MPU_STATUS_OFFSET, 66 .voltage = OMAP4_PRM_VP_MPU_VOLTAGE_OFFSET, 67 }; 68 69 struct omap_vp_instance omap4_vp_iva = { 70 .id = OMAP4_VP_VDD_IVA_ID, 71 .common = &omap4_vp_common, 72 .vpconfig = OMAP4_PRM_VP_IVA_CONFIG_OFFSET, 73 .vstepmin = OMAP4_PRM_VP_IVA_VSTEPMIN_OFFSET, 74 .vstepmax = OMAP4_PRM_VP_IVA_VSTEPMAX_OFFSET, 75 .vlimitto = OMAP4_PRM_VP_IVA_VLIMITTO_OFFSET, 76 .vstatus = OMAP4_PRM_VP_IVA_STATUS_OFFSET, 77 .voltage = OMAP4_PRM_VP_IVA_VOLTAGE_OFFSET, 78 }; 79 80 struct omap_vp_instance omap4_vp_core = { 81 .id = OMAP4_VP_VDD_CORE_ID, 82 .common = &omap4_vp_common, 83 .vpconfig = OMAP4_PRM_VP_CORE_CONFIG_OFFSET, 84 .vstepmin = OMAP4_PRM_VP_CORE_VSTEPMIN_OFFSET, 85 .vstepmax = OMAP4_PRM_VP_CORE_VSTEPMAX_OFFSET, 86 .vlimitto = OMAP4_PRM_VP_CORE_VLIMITTO_OFFSET, 87 .vstatus = OMAP4_PRM_VP_CORE_STATUS_OFFSET, 88 .voltage = OMAP4_PRM_VP_CORE_VOLTAGE_OFFSET, 89 }; 90 91 struct omap_vp_param omap4_mpu_vp_data = { 92 .vddmin = OMAP4_VP_MPU_VLIMITTO_VDDMIN, 93 .vddmax = OMAP4_VP_MPU_VLIMITTO_VDDMAX, 94 }; 95 96 struct omap_vp_param omap4_iva_vp_data = { 97 .vddmin = OMAP4_VP_IVA_VLIMITTO_VDDMIN, 98 .vddmax = OMAP4_VP_IVA_VLIMITTO_VDDMAX, 99 }; 100 101 struct omap_vp_param omap4_core_vp_data = { 102 .vddmin = OMAP4_VP_CORE_VLIMITTO_VDDMIN, 103 .vddmax = OMAP4_VP_CORE_VLIMITTO_VDDMAX, 104 }; 105