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);