// SPDX-License-Identifier: GPL-2.0-only
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/*
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* OMAP3/OMAP4 Voltage Management Routines
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*
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* Author: Thara Gopinath <thara@ti.com>
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*
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* Copyright (C) 2007 Texas Instruments, Inc.
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* Rajendra Nayak <rnayak@ti.com>
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* Lesly A M <x0080970@ti.com>
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*
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* Copyright (C) 2008 Nokia Corporation
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* Kalle Jokiniemi
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*
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* Copyright (C) 2010 Texas Instruments, Inc.
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* Thara Gopinath <thara@ti.com>
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*/
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#include <linux/kernel.h>
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#include <linux/err.h>
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#include <linux/init.h>
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#include "common.h"
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#include "soc.h"
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#include "prm-regbits-44xx.h"
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#include "prm44xx.h"
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#include "prcm44xx.h"
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#include "prminst44xx.h"
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#include "voltage.h"
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#include "omap_opp_data.h"
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#include "vc.h"
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#include "vp.h"
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static const struct omap_vfsm_instance omap4_vdd_mpu_vfsm = {
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.voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
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.voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_MPU_OFF_OFFSET,
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};
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static const struct omap_vfsm_instance omap4_vdd_iva_vfsm = {
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.voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
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.voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_IVA_OFF_OFFSET,
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};
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static const struct omap_vfsm_instance omap4_vdd_core_vfsm = {
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.voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
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.voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_CORE_OFF_OFFSET,
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};
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static struct voltagedomain omap4_voltdm_mpu = {
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.name = "mpu",
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.scalable = true,
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.read = omap4_prm_vcvp_read,
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.write = omap4_prm_vcvp_write,
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.rmw = omap4_prm_vcvp_rmw,
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.vc = &omap4_vc_mpu,
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.vfsm = &omap4_vdd_mpu_vfsm,
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.vp = &omap4_vp_mpu,
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};
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static struct voltagedomain omap4_voltdm_iva = {
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.name = "iva",
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.scalable = true,
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.read = omap4_prm_vcvp_read,
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.write = omap4_prm_vcvp_write,
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.rmw = omap4_prm_vcvp_rmw,
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.vc = &omap4_vc_iva,
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.vfsm = &omap4_vdd_iva_vfsm,
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.vp = &omap4_vp_iva,
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};
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static struct voltagedomain omap4_voltdm_core = {
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.name = "core",
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.scalable = true,
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.read = omap4_prm_vcvp_read,
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.write = omap4_prm_vcvp_write,
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.rmw = omap4_prm_vcvp_rmw,
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.vc = &omap4_vc_core,
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.vfsm = &omap4_vdd_core_vfsm,
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.vp = &omap4_vp_core,
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};
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static struct voltagedomain omap4_voltdm_wkup = {
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.name = "wakeup",
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};
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static struct voltagedomain *voltagedomains_omap4[] __initdata = {
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&omap4_voltdm_mpu,
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&omap4_voltdm_iva,
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&omap4_voltdm_core,
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&omap4_voltdm_wkup,
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NULL,
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};
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static const char *const sys_clk_name __initconst = "sys_clkin_ck";
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void __init omap44xx_voltagedomains_init(void)
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{
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struct voltagedomain *voltdm;
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int i;
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/*
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* XXX Will depend on the process, validation, and binning
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* for the currently-running IC
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*/
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#ifdef CONFIG_PM_OPP
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if (cpu_is_omap443x()) {
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omap4_voltdm_mpu.volt_data = omap443x_vdd_mpu_volt_data;
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omap4_voltdm_iva.volt_data = omap443x_vdd_iva_volt_data;
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omap4_voltdm_core.volt_data = omap443x_vdd_core_volt_data;
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} else if (cpu_is_omap446x()) {
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omap4_voltdm_mpu.volt_data = omap446x_vdd_mpu_volt_data;
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omap4_voltdm_iva.volt_data = omap446x_vdd_iva_volt_data;
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omap4_voltdm_core.volt_data = omap446x_vdd_core_volt_data;
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}
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#endif
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omap4_voltdm_mpu.vp_param = &omap4_mpu_vp_data;
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omap4_voltdm_iva.vp_param = &omap4_iva_vp_data;
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omap4_voltdm_core.vp_param = &omap4_core_vp_data;
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omap4_voltdm_mpu.vc_param = &omap4_mpu_vc_data;
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omap4_voltdm_iva.vc_param = &omap4_iva_vc_data;
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omap4_voltdm_core.vc_param = &omap4_core_vc_data;
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for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++)
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voltdm->sys_clk.name = sys_clk_name;
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voltdm_init(voltagedomains_omap4);
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};
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