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Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
[~shefty/rdma-dev.git] / arch / arm / mach-omap2 / voltagedomains44xx_data.c
1 /*
2  * OMAP3/OMAP4 Voltage Management Routines
3  *
4  * Author: Thara Gopinath       <thara@ti.com>
5  *
6  * Copyright (C) 2007 Texas Instruments, Inc.
7  * Rajendra Nayak <rnayak@ti.com>
8  * Lesly A M <x0080970@ti.com>
9  *
10  * Copyright (C) 2008 Nokia Corporation
11  * Kalle Jokiniemi
12  *
13  * Copyright (C) 2010 Texas Instruments, Inc.
14  * Thara Gopinath <thara@ti.com>
15  *
16  * This program is free software; you can redistribute it and/or modify
17  * it under the terms of the GNU General Public License version 2 as
18  * published by the Free Software Foundation.
19  */
20 #include <linux/kernel.h>
21 #include <linux/err.h>
22 #include <linux/init.h>
23
24 #include "common.h"
25
26 #include "prm-regbits-44xx.h"
27 #include "prm44xx.h"
28 #include "prcm44xx.h"
29 #include "prminst44xx.h"
30 #include "voltage.h"
31 #include "omap_opp_data.h"
32 #include "vc.h"
33 #include "vp.h"
34
35 static const struct omap_vfsm_instance omap4_vdd_mpu_vfsm = {
36         .voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
37 };
38
39 static const struct omap_vfsm_instance omap4_vdd_iva_vfsm = {
40         .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
41 };
42
43 static const struct omap_vfsm_instance omap4_vdd_core_vfsm = {
44         .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
45 };
46
47 static struct voltagedomain omap4_voltdm_mpu = {
48         .name = "mpu",
49         .scalable = true,
50         .read = omap4_prm_vcvp_read,
51         .write = omap4_prm_vcvp_write,
52         .rmw = omap4_prm_vcvp_rmw,
53         .vc = &omap4_vc_mpu,
54         .vfsm = &omap4_vdd_mpu_vfsm,
55         .vp = &omap4_vp_mpu,
56 };
57
58 static struct voltagedomain omap4_voltdm_iva = {
59         .name = "iva",
60         .scalable = true,
61         .read = omap4_prm_vcvp_read,
62         .write = omap4_prm_vcvp_write,
63         .rmw = omap4_prm_vcvp_rmw,
64         .vc = &omap4_vc_iva,
65         .vfsm = &omap4_vdd_iva_vfsm,
66         .vp = &omap4_vp_iva,
67 };
68
69 static struct voltagedomain omap4_voltdm_core = {
70         .name = "core",
71         .scalable = true,
72         .read = omap4_prm_vcvp_read,
73         .write = omap4_prm_vcvp_write,
74         .rmw = omap4_prm_vcvp_rmw,
75         .vc = &omap4_vc_core,
76         .vfsm = &omap4_vdd_core_vfsm,
77         .vp = &omap4_vp_core,
78 };
79
80 static struct voltagedomain omap4_voltdm_wkup = {
81         .name = "wakeup",
82 };
83
84 static struct voltagedomain *voltagedomains_omap4[] __initdata = {
85         &omap4_voltdm_mpu,
86         &omap4_voltdm_iva,
87         &omap4_voltdm_core,
88         &omap4_voltdm_wkup,
89         NULL,
90 };
91
92 static const char *sys_clk_name __initdata = "sys_clkin_ck";
93
94 void __init omap44xx_voltagedomains_init(void)
95 {
96         struct voltagedomain *voltdm;
97         int i;
98
99         /*
100          * XXX Will depend on the process, validation, and binning
101          * for the currently-running IC
102          */
103 #ifdef CONFIG_PM_OPP
104         omap4_voltdm_mpu.volt_data = omap44xx_vdd_mpu_volt_data;
105         omap4_voltdm_iva.volt_data = omap44xx_vdd_iva_volt_data;
106         omap4_voltdm_core.volt_data = omap44xx_vdd_core_volt_data;
107 #endif
108
109         for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++)
110                 voltdm->sys_clk.name = sys_clk_name;
111
112         voltdm_init(voltagedomains_omap4);
113 };