opp3xxx_data.c

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/*
 * OMAP3 OPP table definitions.
 *
 * Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
 *  Nishanth Menon
 *  Kevin Hilman
 * Copyright (C) 2010-2011 Nokia Corporation.
 *      Eduardo Valentin
 *      Paul Walmsley
 *
 * 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.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */
#include <linux/module.h>

#include "control.h"
#include "omap_opp_data.h"
#include "pm.h"

/* 34xx */

/* VDD1 */

#define OMAP3430_VDD_MPU_OPP1_UV        975000
#define OMAP3430_VDD_MPU_OPP2_UV        1075000
#define OMAP3430_VDD_MPU_OPP3_UV        1200000
#define OMAP3430_VDD_MPU_OPP4_UV        1270000
#define OMAP3430_VDD_MPU_OPP5_UV        1350000

struct omap_volt_data omap34xx_vddmpu_volt_data[] = {
    VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD1, 0xf4, 0x0c),
    VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD1, 0xf4, 0x0c),
    VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD1, 0xf9, 0x18),
    VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP4_UV, OMAP343X_CONTROL_FUSE_OPP4_VDD1, 0xf9, 0x18),
    VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP5_UV, OMAP343X_CONTROL_FUSE_OPP5_VDD1, 0xf9, 0x18),
    VOLT_DATA_DEFINE(0, 0, 0, 0),
};

/* VDD2 */

#define OMAP3430_VDD_CORE_OPP1_UV       975000
#define OMAP3430_VDD_CORE_OPP2_UV       1050000
#define OMAP3430_VDD_CORE_OPP3_UV       1150000

struct omap_volt_data omap34xx_vddcore_volt_data[] = {
    VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD2, 0xf4, 0x0c),
    VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD2, 0xf4, 0x0c),
    VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD2, 0xf9, 0x18),
    VOLT_DATA_DEFINE(0, 0, 0, 0),
};

/* 36xx */

/* VDD1 */

#define OMAP3630_VDD_MPU_OPP50_UV       1012500
#define OMAP3630_VDD_MPU_OPP100_UV      1200000
#define OMAP3630_VDD_MPU_OPP120_UV      1325000
#define OMAP3630_VDD_MPU_OPP1G_UV       1375000

struct omap_volt_data omap36xx_vddmpu_volt_data[] = {
    VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD1, 0xf4, 0x0c),
    VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD1, 0xf9, 0x16),
    VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP120_UV, OMAP3630_CONTROL_FUSE_OPP120_VDD1, 0xfa, 0x23),
    VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP1G_UV, OMAP3630_CONTROL_FUSE_OPP1G_VDD1, 0xfa, 0x27),
    VOLT_DATA_DEFINE(0, 0, 0, 0),
};

/* VDD2 */

#define OMAP3630_VDD_CORE_OPP50_UV      1000000
#define OMAP3630_VDD_CORE_OPP100_UV     1200000

struct omap_volt_data omap36xx_vddcore_volt_data[] = {
    VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD2, 0xf4, 0x0c),
    VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16),
    VOLT_DATA_DEFINE(0, 0, 0, 0),
};

/* OPP data */

static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
    /* MPU OPP1 */
    OPP_INITIALIZER("mpu", true, 125000000, OMAP3430_VDD_MPU_OPP1_UV),
    /* MPU OPP2 */
    OPP_INITIALIZER("mpu", true, 250000000, OMAP3430_VDD_MPU_OPP2_UV),
    /* MPU OPP3 */
    OPP_INITIALIZER("mpu", true, 500000000, OMAP3430_VDD_MPU_OPP3_UV),
    /* MPU OPP4 */
    OPP_INITIALIZER("mpu", true, 550000000, OMAP3430_VDD_MPU_OPP4_UV),
    /* MPU OPP5 */
    OPP_INITIALIZER("mpu", true, 600000000, OMAP3430_VDD_MPU_OPP5_UV),

    /*
     * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
     * almost the same than the one at 83MHz thus providing very little
     * gain for the power point of view. In term of energy it will even
     * increase the consumption due to the very negative performance
     * impact that frequency will do to the MPU and the whole system in
     * general.
     */
    OPP_INITIALIZER("l3_main", false, 41500000, OMAP3430_VDD_CORE_OPP1_UV),
    /* L3 OPP2 */
    OPP_INITIALIZER("l3_main", true, 83000000, OMAP3430_VDD_CORE_OPP2_UV),
    /* L3 OPP3 */
    OPP_INITIALIZER("l3_main", true, 166000000, OMAP3430_VDD_CORE_OPP3_UV),

    /* DSP OPP1 */
    OPP_INITIALIZER("iva", true, 90000000, OMAP3430_VDD_MPU_OPP1_UV),
    /* DSP OPP2 */
    OPP_INITIALIZER("iva", true, 180000000, OMAP3430_VDD_MPU_OPP2_UV),
    /* DSP OPP3 */
    OPP_INITIALIZER("iva", true, 360000000, OMAP3430_VDD_MPU_OPP3_UV),
    /* DSP OPP4 */
    OPP_INITIALIZER("iva", true, 400000000, OMAP3430_VDD_MPU_OPP4_UV),
    /* DSP OPP5 */
    OPP_INITIALIZER("iva", true, 430000000, OMAP3430_VDD_MPU_OPP5_UV),
};

static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
    /* MPU OPP1 - OPP50 */
    OPP_INITIALIZER("mpu", true,  300000000, OMAP3630_VDD_MPU_OPP50_UV),
    /* MPU OPP2 - OPP100 */
    OPP_INITIALIZER("mpu", true,  600000000, OMAP3630_VDD_MPU_OPP100_UV),
    /* MPU OPP3 - OPP-Turbo */
    OPP_INITIALIZER("mpu", false, 800000000, OMAP3630_VDD_MPU_OPP120_UV),
    /* MPU OPP4 - OPP-SB */
    OPP_INITIALIZER("mpu", false, 1000000000, OMAP3630_VDD_MPU_OPP1G_UV),

    /* L3 OPP1 - OPP50 */
    OPP_INITIALIZER("l3_main", true, 100000000, OMAP3630_VDD_CORE_OPP50_UV),
    /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
    OPP_INITIALIZER("l3_main", true, 200000000, OMAP3630_VDD_CORE_OPP100_UV),

    /* DSP OPP1 - OPP50 */
    OPP_INITIALIZER("iva", true,  260000000, OMAP3630_VDD_MPU_OPP50_UV),
    /* DSP OPP2 - OPP100 */
    OPP_INITIALIZER("iva", true,  520000000, OMAP3630_VDD_MPU_OPP100_UV),
    /* DSP OPP3 - OPP-Turbo */
    OPP_INITIALIZER("iva", false, 660000000, OMAP3630_VDD_MPU_OPP120_UV),
    /* DSP OPP4 - OPP-SB */
    OPP_INITIALIZER("iva", false, 800000000, OMAP3630_VDD_MPU_OPP1G_UV),
};

int __init omap3_opp_init(void)
{
    int r = -ENODEV;

    if (!cpu_is_omap34xx())
        return r;

    if (cpu_is_omap3630())
        r = omap_init_opp_table(omap36xx_opp_def_list,
            ARRAY_SIZE(omap36xx_opp_def_list));
    else
        r = omap_init_opp_table(omap34xx_opp_def_list,
            ARRAY_SIZE(omap34xx_opp_def_list));

    return r;
}
device_initcall(omap3_opp_init);