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