2 * OMAP3/OMAP4 Voltage Management Routines
4 * Author: Thara Gopinath <thara@ti.com>
6 * Copyright (C) 2007 Texas Instruments, Inc.
7 * Rajendra Nayak <rnayak@ti.com>
8 * Lesly A M <x0080970@ti.com>
10 * Copyright (C) 2008 Nokia Corporation
13 * Copyright (C) 2010 Texas Instruments, Inc.
14 * Thara Gopinath <thara@ti.com>
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.
20 #include <linux/kernel.h>
21 #include <linux/err.h>
22 #include <linux/init.h>
26 #include "prm-regbits-44xx.h"
29 #include "prminst44xx.h"
31 #include "omap_opp_data.h"
35 static const struct omap_vfsm_instance omap4_vdd_mpu_vfsm
= {
36 .voltsetup_reg
= OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET
,
37 .voltsetup_off_reg
= OMAP4_PRM_VOLTSETUP_MPU_OFF_OFFSET
,
40 static const struct omap_vfsm_instance omap4_vdd_iva_vfsm
= {
41 .voltsetup_reg
= OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET
,
42 .voltsetup_off_reg
= OMAP4_PRM_VOLTSETUP_IVA_OFF_OFFSET
,
45 static const struct omap_vfsm_instance omap4_vdd_core_vfsm
= {
46 .voltsetup_reg
= OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET
,
47 .voltsetup_off_reg
= OMAP4_PRM_VOLTSETUP_CORE_OFF_OFFSET
,
50 static struct voltagedomain omap4_voltdm_mpu
= {
53 .read
= omap4_prm_vcvp_read
,
54 .write
= omap4_prm_vcvp_write
,
55 .rmw
= omap4_prm_vcvp_rmw
,
57 .vfsm
= &omap4_vdd_mpu_vfsm
,
61 static struct voltagedomain omap4_voltdm_iva
= {
64 .read
= omap4_prm_vcvp_read
,
65 .write
= omap4_prm_vcvp_write
,
66 .rmw
= omap4_prm_vcvp_rmw
,
68 .vfsm
= &omap4_vdd_iva_vfsm
,
72 static struct voltagedomain omap4_voltdm_core
= {
75 .read
= omap4_prm_vcvp_read
,
76 .write
= omap4_prm_vcvp_write
,
77 .rmw
= omap4_prm_vcvp_rmw
,
79 .vfsm
= &omap4_vdd_core_vfsm
,
83 static struct voltagedomain omap4_voltdm_wkup
= {
87 static struct voltagedomain
*voltagedomains_omap4
[] __initdata
= {
95 static const char *sys_clk_name __initdata
= "sys_clkin_ck";
97 void __init
omap44xx_voltagedomains_init(void)
99 struct voltagedomain
*voltdm
;
103 * XXX Will depend on the process, validation, and binning
104 * for the currently-running IC
107 if (cpu_is_omap443x()) {
108 omap4_voltdm_mpu
.volt_data
= omap443x_vdd_mpu_volt_data
;
109 omap4_voltdm_iva
.volt_data
= omap443x_vdd_iva_volt_data
;
110 omap4_voltdm_core
.volt_data
= omap443x_vdd_core_volt_data
;
111 } else if (cpu_is_omap446x()) {
112 omap4_voltdm_mpu
.volt_data
= omap446x_vdd_mpu_volt_data
;
113 omap4_voltdm_iva
.volt_data
= omap446x_vdd_iva_volt_data
;
114 omap4_voltdm_core
.volt_data
= omap446x_vdd_core_volt_data
;
118 omap4_voltdm_mpu
.vp_param
= &omap4_mpu_vp_data
;
119 omap4_voltdm_iva
.vp_param
= &omap4_iva_vp_data
;
120 omap4_voltdm_core
.vp_param
= &omap4_core_vp_data
;
122 omap4_voltdm_mpu
.vc_param
= &omap4_mpu_vc_data
;
123 omap4_voltdm_iva
.vc_param
= &omap4_iva_vc_data
;
124 omap4_voltdm_core
.vc_param
= &omap4_core_vc_data
;
126 for (i
= 0; voltdm
= voltagedomains_omap4
[i
], voltdm
; i
++)
127 voltdm
->sys_clk
.name
= sys_clk_name
;
129 voltdm_init(voltagedomains_omap4
);