1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * OMAP3 Voltage Processor (VP) data 4 * 5 * Copyright (C) 2007, 2010 Texas Instruments, Inc. 6 * Rajendra Nayak <rnayak@ti.com> 7 * Lesly A M <x0080970@ti.com> 8 * Thara Gopinath <thara@ti.com> 9 * 10 * Copyright (C) 2008, 2011 Nokia Corporation 11 * Kalle Jokiniemi 12 * Paul Walmsley 13 */ 14 15 #include <linux/io.h> 16 #include <linux/err.h> 17 #include <linux/init.h> 18 19 #include "common.h" 20 21 #include "prm44xx.h" 22 #include "prm-regbits-44xx.h" 23 #include "voltage.h" 24 25 #include "vp.h" 26 27 static const struct omap_vp_ops omap4_vp_ops = { 28 .check_txdone = omap_prm_vp_check_txdone, 29 .clear_txdone = omap_prm_vp_clear_txdone, 30 }; 31 32 /* 33 * VP data common to 44xx chips 34 * XXX This stuff presumably belongs in the vp44xx.c or vp.c file. 35 */ 36 static const struct omap_vp_common omap4_vp_common = { 37 .vpconfig_erroroffset_mask = OMAP4430_ERROROFFSET_MASK, 38 .vpconfig_errorgain_mask = OMAP4430_ERRORGAIN_MASK, 39 .vpconfig_initvoltage_mask = OMAP4430_INITVOLTAGE_MASK, 40 .vpconfig_timeouten = OMAP4430_TIMEOUTEN_MASK, 41 .vpconfig_initvdd = OMAP4430_INITVDD_MASK, 42 .vpconfig_forceupdate = OMAP4430_FORCEUPDATE_MASK, 43 .vpconfig_vpenable = OMAP4430_VPENABLE_MASK, 44 .vstepmin_smpswaittimemin_shift = OMAP4430_SMPSWAITTIMEMIN_SHIFT, 45 .vstepmax_smpswaittimemax_shift = OMAP4430_SMPSWAITTIMEMAX_SHIFT, 46 .vstepmin_stepmin_shift = OMAP4430_VSTEPMIN_SHIFT, 47 .vstepmax_stepmax_shift = OMAP4430_VSTEPMAX_SHIFT, 48 .vlimitto_vddmin_shift = OMAP4430_VDDMIN_SHIFT, 49 .vlimitto_vddmax_shift = OMAP4430_VDDMAX_SHIFT, 50 .vlimitto_timeout_shift = OMAP4430_TIMEOUT_SHIFT, 51 .vpvoltage_mask = OMAP4430_VPVOLTAGE_MASK, 52 .ops = &omap4_vp_ops, 53 }; 54 55 struct omap_vp_instance omap4_vp_mpu = { 56 .id = OMAP4_VP_VDD_MPU_ID, 57 .common = &omap4_vp_common, 58 .vpconfig = OMAP4_PRM_VP_MPU_CONFIG_OFFSET, 59 .vstepmin = OMAP4_PRM_VP_MPU_VSTEPMIN_OFFSET, 60 .vstepmax = OMAP4_PRM_VP_MPU_VSTEPMAX_OFFSET, 61 .vlimitto = OMAP4_PRM_VP_MPU_VLIMITTO_OFFSET, 62 .vstatus = OMAP4_PRM_VP_MPU_STATUS_OFFSET, 63 .voltage = OMAP4_PRM_VP_MPU_VOLTAGE_OFFSET, 64 }; 65 66 struct omap_vp_instance omap4_vp_iva = { 67 .id = OMAP4_VP_VDD_IVA_ID, 68 .common = &omap4_vp_common, 69 .vpconfig = OMAP4_PRM_VP_IVA_CONFIG_OFFSET, 70 .vstepmin = OMAP4_PRM_VP_IVA_VSTEPMIN_OFFSET, 71 .vstepmax = OMAP4_PRM_VP_IVA_VSTEPMAX_OFFSET, 72 .vlimitto = OMAP4_PRM_VP_IVA_VLIMITTO_OFFSET, 73 .vstatus = OMAP4_PRM_VP_IVA_STATUS_OFFSET, 74 .voltage = OMAP4_PRM_VP_IVA_VOLTAGE_OFFSET, 75 }; 76 77 struct omap_vp_instance omap4_vp_core = { 78 .id = OMAP4_VP_VDD_CORE_ID, 79 .common = &omap4_vp_common, 80 .vpconfig = OMAP4_PRM_VP_CORE_CONFIG_OFFSET, 81 .vstepmin = OMAP4_PRM_VP_CORE_VSTEPMIN_OFFSET, 82 .vstepmax = OMAP4_PRM_VP_CORE_VSTEPMAX_OFFSET, 83 .vlimitto = OMAP4_PRM_VP_CORE_VLIMITTO_OFFSET, 84 .vstatus = OMAP4_PRM_VP_CORE_STATUS_OFFSET, 85 .voltage = OMAP4_PRM_VP_CORE_VOLTAGE_OFFSET, 86 }; 87 88 struct omap_vp_param omap4_mpu_vp_data = { 89 .vddmin = OMAP4_VP_MPU_VLIMITTO_VDDMIN, 90 .vddmax = OMAP4_VP_MPU_VLIMITTO_VDDMAX, 91 }; 92 93 struct omap_vp_param omap4_iva_vp_data = { 94 .vddmin = OMAP4_VP_IVA_VLIMITTO_VDDMIN, 95 .vddmax = OMAP4_VP_IVA_VLIMITTO_VDDMAX, 96 }; 97 98 struct omap_vp_param omap4_core_vp_data = { 99 .vddmin = OMAP4_VP_CORE_VLIMITTO_VDDMIN, 100 .vddmax = OMAP4_VP_CORE_VLIMITTO_VDDMAX, 101 }; 102