// SPDX-License-Identifier: GPL-2.0-only
/*
 * OMAP3 voltage domain data
 *
 * Copyright (C) 2007, 2010 Texas Instruments, Inc.
 * Rajendra Nayak <rnayak@ti.com>
 * Lesly A M <x0080970@ti.com>
 * Thara Gopinath <thara@ti.com>
 *
 * Copyright (C) 2008, 2011 Nokia Corporation
 * Kalle Jokiniemi
 * Paul Walmsley
 */
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/init.h>

#include "soc.h"
#include "common.h"
#include "prm-regbits-34xx.h"
#include "omap_opp_data.h"
#include "voltage.h"
#include "vc.h"
#include "vp.h"

/*
 * VDD data
 */

/* OMAP3-common voltagedomain data */

static struct voltagedomain omap3_voltdm_wkup = {
        .name = "wakeup",
};

/* 34xx/36xx voltagedomain data */

static const struct omap_vfsm_instance omap3_vdd1_vfsm = {
        .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
        .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK,
};

static const struct omap_vfsm_instance omap3_vdd2_vfsm = {
        .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
        .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK,
};

static struct voltagedomain omap3_voltdm_mpu = {
        .name = "mpu_iva",
        .scalable = true,
        .read = omap3_prm_vcvp_read,
        .write = omap3_prm_vcvp_write,
        .rmw = omap3_prm_vcvp_rmw,
        .vc = &omap3_vc_mpu,
        .vfsm = &omap3_vdd1_vfsm,
        .vp = &omap3_vp_mpu,
};

static struct voltagedomain omap3_voltdm_core = {
        .name = "core",
        .scalable = true,
        .read = omap3_prm_vcvp_read,
        .write = omap3_prm_vcvp_write,
        .rmw = omap3_prm_vcvp_rmw,
        .vc = &omap3_vc_core,
        .vfsm = &omap3_vdd2_vfsm,
        .vp = &omap3_vp_core,
};

static struct voltagedomain *voltagedomains_omap3[] __initdata = {
        &omap3_voltdm_mpu,
        &omap3_voltdm_core,
        &omap3_voltdm_wkup,
        NULL,
};

/* AM35xx voltagedomain data */

static struct voltagedomain am35xx_voltdm_mpu = {
        .name = "mpu_iva",
};

static struct voltagedomain am35xx_voltdm_core = {
        .name = "core",
};

static struct voltagedomain *voltagedomains_am35xx[] __initdata = {
        &am35xx_voltdm_mpu,
        &am35xx_voltdm_core,
        &omap3_voltdm_wkup,
        NULL,
};


static const char *const sys_clk_name __initconst = "sys_ck";

void __init omap3xxx_voltagedomains_init(void)
{
        struct voltagedomain *voltdm;
        struct voltagedomain **voltdms;
        int i;

        /*
         * XXX Will depend on the process, validation, and binning
         * for the currently-running IC
         */
#ifdef CONFIG_PM_OPP
        if (cpu_is_omap3630()) {
                omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data;
                omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data;
        } else {
                omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data;
                omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data;
        }
#endif

        omap3_voltdm_mpu.vp_param = &omap3_mpu_vp_data;
        omap3_voltdm_core.vp_param = &omap3_core_vp_data;
        omap3_voltdm_mpu.vc_param = &omap3_mpu_vc_data;
        omap3_voltdm_core.vc_param = &omap3_core_vc_data;

        if (soc_is_am35xx())
                voltdms = voltagedomains_am35xx;
        else
                voltdms = voltagedomains_omap3;

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

        voltdm_init(voltdms);
};