voltagedomains44xx_data.c

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/*
 * OMAP3/OMAP4 Voltage Management Routines
 *
 * Author: Thara Gopinath   <[email protected]>
 *
 * Copyright (C) 2007 Texas Instruments, Inc.
 * Rajendra Nayak <[email protected]>
 * Lesly A M <[email protected]>
 *
 * Copyright (C) 2008 Nokia Corporation
 * Kalle Jokiniemi
 *
 * Copyright (C) 2010 Texas Instruments, Inc.
 * Thara Gopinath <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/init.h>

#include "common.h"

#include "prm-regbits-44xx.h"
#include "prm44xx.h"
#include "prcm44xx.h"
#include "prminst44xx.h"
#include "voltage.h"
#include "omap_opp_data.h"
#include "vc.h"
#include "vp.h"

static const struct omap_vfsm_instance omap4_vdd_mpu_vfsm = {
    .voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
};

static const struct omap_vfsm_instance omap4_vdd_iva_vfsm = {
    .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
};

static const struct omap_vfsm_instance omap4_vdd_core_vfsm = {
    .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
};

static struct voltagedomain omap4_voltdm_mpu = {
    .name = "mpu",
    .scalable = true,
    .read = omap4_prm_vcvp_read,
    .write = omap4_prm_vcvp_write,
    .rmw = omap4_prm_vcvp_rmw,
    .vc = &omap4_vc_mpu,
    .vfsm = &omap4_vdd_mpu_vfsm,
    .vp = &omap4_vp_mpu,
};

static struct voltagedomain omap4_voltdm_iva = {
    .name = "iva",
    .scalable = true,
    .read = omap4_prm_vcvp_read,
    .write = omap4_prm_vcvp_write,
    .rmw = omap4_prm_vcvp_rmw,
    .vc = &omap4_vc_iva,
    .vfsm = &omap4_vdd_iva_vfsm,
    .vp = &omap4_vp_iva,
};

static struct voltagedomain omap4_voltdm_core = {
    .name = "core",
    .scalable = true,
    .read = omap4_prm_vcvp_read,
    .write = omap4_prm_vcvp_write,
    .rmw = omap4_prm_vcvp_rmw,
    .vc = &omap4_vc_core,
    .vfsm = &omap4_vdd_core_vfsm,
    .vp = &omap4_vp_core,
};

static struct voltagedomain omap4_voltdm_wkup = {
    .name = "wakeup",
};

static struct voltagedomain *voltagedomains_omap4[] __initdata = {
    &omap4_voltdm_mpu,
    &omap4_voltdm_iva,
    &omap4_voltdm_core,
    &omap4_voltdm_wkup,
    NULL,
};

static const char *sys_clk_name __initdata = "sys_clkin_ck";

void __init omap44xx_voltagedomains_init(void)
{
    struct voltagedomain *voltdm;
    int i;

    /*
     * XXX Will depend on the process, validation, and binning
     * for the currently-running IC
     */
#ifdef CONFIG_PM_OPP
    omap4_voltdm_mpu.volt_data = omap44xx_vdd_mpu_volt_data;
    omap4_voltdm_iva.volt_data = omap44xx_vdd_iva_volt_data;
    omap4_voltdm_core.volt_data = omap44xx_vdd_core_volt_data;
#endif

    for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++)
        voltdm->sys_clk.name = sys_clk_name;

    voltdm_init(voltagedomains_omap4);
};