1/*
2 * OMAP3 voltage domain 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/kernel.h>
18#include <linux/err.h>
19#include <linux/init.h>
20
21#include "soc.h"
22#include "common.h"
23#include "prm-regbits-34xx.h"
24#include "omap_opp_data.h"
25#include "voltage.h"
26#include "vc.h"
27#include "vp.h"
28
29/*
30 * VDD data
31 */
32
33/* OMAP3-common voltagedomain data */
34
35static struct voltagedomain omap3_voltdm_wkup = {
36	.name = "wakeup",
37};
38
39/* 34xx/36xx voltagedomain data */
40
41static const struct omap_vfsm_instance omap3_vdd1_vfsm = {
42	.voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
43	.voltsetup_mask = OMAP3430_SETUP_TIME1_MASK,
44};
45
46static const struct omap_vfsm_instance omap3_vdd2_vfsm = {
47	.voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
48	.voltsetup_mask = OMAP3430_SETUP_TIME2_MASK,
49};
50
51static struct voltagedomain omap3_voltdm_mpu = {
52	.name = "mpu_iva",
53	.scalable = true,
54	.read = omap3_prm_vcvp_read,
55	.write = omap3_prm_vcvp_write,
56	.rmw = omap3_prm_vcvp_rmw,
57	.vc = &omap3_vc_mpu,
58	.vfsm = &omap3_vdd1_vfsm,
59	.vp = &omap3_vp_mpu,
60};
61
62static struct voltagedomain omap3_voltdm_core = {
63	.name = "core",
64	.scalable = true,
65	.read = omap3_prm_vcvp_read,
66	.write = omap3_prm_vcvp_write,
67	.rmw = omap3_prm_vcvp_rmw,
68	.vc = &omap3_vc_core,
69	.vfsm = &omap3_vdd2_vfsm,
70	.vp = &omap3_vp_core,
71};
72
73static struct voltagedomain *voltagedomains_omap3[] __initdata = {
74	&omap3_voltdm_mpu,
75	&omap3_voltdm_core,
76	&omap3_voltdm_wkup,
77	NULL,
78};
79
80/* AM35xx voltagedomain data */
81
82static struct voltagedomain am35xx_voltdm_mpu = {
83	.name = "mpu_iva",
84};
85
86static struct voltagedomain am35xx_voltdm_core = {
87	.name = "core",
88};
89
90static struct voltagedomain *voltagedomains_am35xx[] __initdata = {
91	&am35xx_voltdm_mpu,
92	&am35xx_voltdm_core,
93	&omap3_voltdm_wkup,
94	NULL,
95};
96
97
98static const char *const sys_clk_name __initconst = "sys_ck";
99
100void __init omap3xxx_voltagedomains_init(void)
101{
102	struct voltagedomain *voltdm;
103	struct voltagedomain **voltdms;
104	int i;
105
106	/*
107	 * XXX Will depend on the process, validation, and binning
108	 * for the currently-running IC
109	 */
110#ifdef CONFIG_PM_OPP
111	if (cpu_is_omap3630()) {
112		omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data;
113		omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data;
114	} else {
115		omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data;
116		omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data;
117	}
118#endif
119
120	omap3_voltdm_mpu.vp_param = &omap3_mpu_vp_data;
121	omap3_voltdm_core.vp_param = &omap3_core_vp_data;
122	omap3_voltdm_mpu.vc_param = &omap3_mpu_vc_data;
123	omap3_voltdm_core.vc_param = &omap3_core_vc_data;
124
125	if (soc_is_am35xx())
126		voltdms = voltagedomains_am35xx;
127	else
128		voltdms = voltagedomains_omap3;
129
130	for (i = 0; voltdm = voltdms[i], voltdm; i++)
131		voltdm->sys_clk.name = sys_clk_name;
132
133	voltdm_init(voltdms);
134};
135