voltagedomains44xx_data.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * OMAP3/OMAP4 Voltage Management Routines
  4 *
  5 * Author: Thara Gopinath	<thara@ti.com>
  6 *
  7 * Copyright (C) 2007 Texas Instruments, Inc.
  8 * Rajendra Nayak <rnayak@ti.com>
  9 * Lesly A M <x0080970@ti.com>
 10 *
 11 * Copyright (C) 2008 Nokia Corporation
 12 * Kalle Jokiniemi
 13 *
 14 * Copyright (C) 2010 Texas Instruments, Inc.
 15 * Thara Gopinath <thara@ti.com>
 16 */
 17#include <linux/kernel.h>
 18#include <linux/err.h>
 19#include <linux/init.h>
 20
 21#include "common.h"
 22#include "soc.h"
 23#include "prm-regbits-44xx.h"
 24#include "prm44xx.h"
 25#include "prcm44xx.h"
 26#include "prminst44xx.h"
 27#include "voltage.h"
 28#include "omap_opp_data.h"
 29#include "vc.h"
 30#include "vp.h"
 31
 32static const struct omap_vfsm_instance omap4_vdd_mpu_vfsm = {
 33	.voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
 34	.voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_MPU_OFF_OFFSET,
 35};
 36
 37static const struct omap_vfsm_instance omap4_vdd_iva_vfsm = {
 38	.voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
 39	.voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_IVA_OFF_OFFSET,
 40};
 41
 42static const struct omap_vfsm_instance omap4_vdd_core_vfsm = {
 43	.voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
 44	.voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_CORE_OFF_OFFSET,
 45};
 46
 47static struct voltagedomain omap4_voltdm_mpu = {
 48	.name = "mpu",
 49	.scalable = true,
 50	.read = omap4_prm_vcvp_read,
 51	.write = omap4_prm_vcvp_write,
 52	.rmw = omap4_prm_vcvp_rmw,
 53	.vc = &omap4_vc_mpu,
 54	.vfsm = &omap4_vdd_mpu_vfsm,
 55	.vp = &omap4_vp_mpu,
 56};
 57
 58static struct voltagedomain omap4_voltdm_iva = {
 59	.name = "iva",
 60	.scalable = true,
 61	.read = omap4_prm_vcvp_read,
 62	.write = omap4_prm_vcvp_write,
 63	.rmw = omap4_prm_vcvp_rmw,
 64	.vc = &omap4_vc_iva,
 65	.vfsm = &omap4_vdd_iva_vfsm,
 66	.vp = &omap4_vp_iva,
 67};
 68
 69static struct voltagedomain omap4_voltdm_core = {
 70	.name = "core",
 71	.scalable = true,
 72	.read = omap4_prm_vcvp_read,
 73	.write = omap4_prm_vcvp_write,
 74	.rmw = omap4_prm_vcvp_rmw,
 75	.vc = &omap4_vc_core,
 76	.vfsm = &omap4_vdd_core_vfsm,
 77	.vp = &omap4_vp_core,
 78};
 79
 80static struct voltagedomain omap4_voltdm_wkup = {
 81	.name = "wakeup",
 82};
 83
 84static struct voltagedomain *voltagedomains_omap4[] __initdata = {
 85	&omap4_voltdm_mpu,
 86	&omap4_voltdm_iva,
 87	&omap4_voltdm_core,
 88	&omap4_voltdm_wkup,
 89	NULL,
 90};
 91
 92static const char *const sys_clk_name __initconst = "sys_clkin_ck";
 93
 94void __init omap44xx_voltagedomains_init(void)
 95{
 96	struct voltagedomain *voltdm;
 97	int i;
 98
 99	/*
100	 * XXX Will depend on the process, validation, and binning
101	 * for the currently-running IC
102	 */
103#ifdef CONFIG_PM_OPP
104	if (cpu_is_omap443x()) {
105		omap4_voltdm_mpu.volt_data = omap443x_vdd_mpu_volt_data;
106		omap4_voltdm_iva.volt_data = omap443x_vdd_iva_volt_data;
107		omap4_voltdm_core.volt_data = omap443x_vdd_core_volt_data;
108	} else if (cpu_is_omap446x()) {
109		omap4_voltdm_mpu.volt_data = omap446x_vdd_mpu_volt_data;
110		omap4_voltdm_iva.volt_data = omap446x_vdd_iva_volt_data;
111		omap4_voltdm_core.volt_data = omap446x_vdd_core_volt_data;
112	}
113#endif
114
115	omap4_voltdm_mpu.vp_param = &omap4_mpu_vp_data;
116	omap4_voltdm_iva.vp_param = &omap4_iva_vp_data;
117	omap4_voltdm_core.vp_param = &omap4_core_vp_data;
118
119	omap4_voltdm_mpu.vc_param = &omap4_mpu_vc_data;
120	omap4_voltdm_iva.vc_param = &omap4_iva_vc_data;
121	omap4_voltdm_core.vc_param = &omap4_core_vc_data;
122
123	for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++)
124		voltdm->sys_clk.name = sys_clk_name;
125
126	voltdm_init(voltagedomains_omap4);
127};