Quelle  vc3xxx_data.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * OMAP3 Voltage Controller (VC) 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/io.h>
#include <linux/err.h>
#include <linux/init.h>

#include "common.h"

#include "prm-regbits-34xx.h"
#include "voltage.h"

#include "vc.h"

/*
 * VC data common to 34xx/36xx chips
 * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file.
 */
static struct omap_vc_common omap3_vc_common = {
 .bypass_val_reg  = OMAP3_PRM_VC_BYPASS_VAL_OFFSET,
 .data_shift  = OMAP3430_DATA_SHIFT,
 .slaveaddr_shift = OMAP3430_SLAVEADDR_SHIFT,
 .regaddr_shift  = OMAP3430_REGADDR_SHIFT,
 .valid   = OMAP3430_VALID_MASK,
 .cmd_on_shift  = OMAP3430_VC_CMD_ON_SHIFT,
 .cmd_on_mask  = OMAP3430_VC_CMD_ON_MASK,
 .cmd_onlp_shift  = OMAP3430_VC_CMD_ONLP_SHIFT,
 .cmd_ret_shift  = OMAP3430_VC_CMD_RET_SHIFT,
 .cmd_off_shift  = OMAP3430_VC_CMD_OFF_SHIFT,
 .i2c_cfg_clear_mask = OMAP3430_SREN_MASK | OMAP3430_HSEN_MASK,
 .i2c_cfg_hsen_mask = OMAP3430_HSEN_MASK,
 .i2c_cfg_reg  = OMAP3_PRM_VC_I2C_CFG_OFFSET,
 .i2c_mcode_mask  = OMAP3430_MCODE_MASK,
};

struct omap_vc_channel omap3_vc_mpu = {
 .flags = OMAP_VC_CHANNEL_DEFAULT,
 .common = &omap3_vc_common,
 .smps_sa_reg  = OMAP3_PRM_VC_SMPS_SA_OFFSET,
 .smps_volra_reg  = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET,
 .smps_cmdra_reg  = OMAP3_PRM_VC_SMPS_CMD_RA_OFFSET,
 .cfg_channel_reg = OMAP3_PRM_VC_CH_CONF_OFFSET,
 .cmdval_reg = OMAP3_PRM_VC_CMD_VAL_0_OFFSET,
 .smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA0_MASK,
 .smps_volra_mask = OMAP3430_VOLRA0_MASK,
 .smps_cmdra_mask = OMAP3430_CMDRA0_MASK,
 .cfg_channel_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA0_SHIFT,
};

struct omap_vc_channel omap3_vc_core = {
 .common = &omap3_vc_common,
 .smps_sa_reg  = OMAP3_PRM_VC_SMPS_SA_OFFSET,
 .smps_volra_reg  = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET,
 .smps_cmdra_reg  = OMAP3_PRM_VC_SMPS_CMD_RA_OFFSET,
 .cfg_channel_reg = OMAP3_PRM_VC_CH_CONF_OFFSET,
 .cmdval_reg = OMAP3_PRM_VC_CMD_VAL_1_OFFSET,
 .smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA1_MASK,
 .smps_volra_mask = OMAP3430_VOLRA1_MASK,
 .smps_cmdra_mask = OMAP3430_CMDRA1_MASK,
 .cfg_channel_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA1_SHIFT,
};

/*
 * Voltage levels for different operating modes: on, sleep, retention and off
 */
#define OMAP3_ON_VOLTAGE_UV  1200000
#define OMAP3_ONLP_VOLTAGE_UV  1000000
#define OMAP3_RET_VOLTAGE_UV  975000
#define OMAP3_OFF_VOLTAGE_UV  600000

struct omap_vc_param omap3_mpu_vc_data = {
 .on  = OMAP3_ON_VOLTAGE_UV,
 .onlp  = OMAP3_ONLP_VOLTAGE_UV,
 .ret  = OMAP3_RET_VOLTAGE_UV,
 .off  = OMAP3_OFF_VOLTAGE_UV,
};

struct omap_vc_param omap3_core_vc_data = {
 .on  = OMAP3_ON_VOLTAGE_UV,
 .onlp  = OMAP3_ONLP_VOLTAGE_UV,
 .ret  = OMAP3_RET_VOLTAGE_UV,
 .off  = OMAP3_OFF_VOLTAGE_UV,
};