357 lines
12 KiB
C
357 lines
12 KiB
C
/*
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* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#define pr_fmt(fmt) "%s: " fmt, __func__
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#include "rpm-regulator-private.h"
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/* RPM regulator request formats */
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static struct rpm_vreg_parts ldo_parts = {
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.request_len = 2,
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.uV = REQUEST_MEMBER(0, 0x007FFFFF, 0),
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.pd = REQUEST_MEMBER(0, 0x00800000, 23),
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.pc = REQUEST_MEMBER(0, 0x0F000000, 24),
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.pf = REQUEST_MEMBER(0, 0xF0000000, 28),
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.ip = REQUEST_MEMBER(1, 0x000003FF, 0),
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.ia = REQUEST_MEMBER(1, 0x000FFC00, 10),
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.fm = REQUEST_MEMBER(1, 0x00700000, 20),
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};
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static struct rpm_vreg_parts smps_parts = {
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.request_len = 2,
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.uV = REQUEST_MEMBER(0, 0x007FFFFF, 0),
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.pd = REQUEST_MEMBER(0, 0x00800000, 23),
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.pc = REQUEST_MEMBER(0, 0x0F000000, 24),
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.pf = REQUEST_MEMBER(0, 0xF0000000, 28),
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.ip = REQUEST_MEMBER(1, 0x000003FF, 0),
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.ia = REQUEST_MEMBER(1, 0x000FFC00, 10),
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.fm = REQUEST_MEMBER(1, 0x00700000, 20),
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.pm = REQUEST_MEMBER(1, 0x00800000, 23),
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.freq = REQUEST_MEMBER(1, 0x1F000000, 24),
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.freq_clk_src = REQUEST_MEMBER(1, 0x60000000, 29),
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};
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static struct rpm_vreg_parts switch_parts = {
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.request_len = 1,
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.enable_state = REQUEST_MEMBER(0, 0x00000001, 0),
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.pd = REQUEST_MEMBER(0, 0x00000002, 1),
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.pc = REQUEST_MEMBER(0, 0x0000003C, 2),
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.pf = REQUEST_MEMBER(0, 0x000003C0, 6),
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.hpm = REQUEST_MEMBER(0, 0x00000C00, 10),
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};
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static struct rpm_vreg_parts ncp_parts = {
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.request_len = 1,
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.uV = REQUEST_MEMBER(0, 0x007FFFFF, 0),
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.enable_state = REQUEST_MEMBER(0, 0x00800000, 23),
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.comp_mode = REQUEST_MEMBER(0, 0x01000000, 24),
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.freq = REQUEST_MEMBER(0, 0x3E000000, 25),
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};
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/* Physically available PMIC regulator voltage setpoint ranges */
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static struct vreg_range pldo_ranges[] = {
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VOLTAGE_RANGE( 750000, 1487500, 12500),
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VOLTAGE_RANGE(1500000, 3075000, 25000),
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VOLTAGE_RANGE(3100000, 4900000, 50000),
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};
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static struct vreg_range nldo_ranges[] = {
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VOLTAGE_RANGE( 750000, 1537500, 12500),
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};
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static struct vreg_range nldo1200_ranges[] = {
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VOLTAGE_RANGE( 375000, 743750, 6250),
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VOLTAGE_RANGE( 750000, 1537500, 12500),
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};
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static struct vreg_range ln_ldo_ranges[] = {
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VOLTAGE_RANGE( 690000, 1110000, 60000),
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VOLTAGE_RANGE(1380000, 2220000, 120000),
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};
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static struct vreg_range smps_ranges[] = {
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VOLTAGE_RANGE( 375000, 737500, 12500),
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VOLTAGE_RANGE( 750000, 1487500, 12500),
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VOLTAGE_RANGE(1500000, 3075000, 25000),
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};
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static struct vreg_range ftsmps_ranges[] = {
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VOLTAGE_RANGE( 350000, 650000, 50000),
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VOLTAGE_RANGE( 700000, 1400000, 12500),
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VOLTAGE_RANGE(1500000, 3300000, 50000),
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};
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static struct vreg_range ncp_ranges[] = {
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VOLTAGE_RANGE(1500000, 3050000, 50000),
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};
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static struct vreg_set_points pldo_set_points = SET_POINTS(pldo_ranges);
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static struct vreg_set_points nldo_set_points = SET_POINTS(nldo_ranges);
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static struct vreg_set_points nldo1200_set_points = SET_POINTS(nldo1200_ranges);
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static struct vreg_set_points ln_ldo_set_points = SET_POINTS(ln_ldo_ranges);
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static struct vreg_set_points smps_set_points = SET_POINTS(smps_ranges);
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static struct vreg_set_points ftsmps_set_points = SET_POINTS(ftsmps_ranges);
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static struct vreg_set_points ncp_set_points = SET_POINTS(ncp_ranges);
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static struct vreg_set_points *all_set_points[] = {
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&pldo_set_points,
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&nldo_set_points,
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&nldo1200_set_points,
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&ln_ldo_set_points,
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&smps_set_points,
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&ftsmps_set_points,
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&ncp_set_points,
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};
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#define LDO(_id, _name, _name_pc, _ranges, _hpm_min_load, _requires_cxo) \
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[RPM_VREG_ID_PM8921_##_id] = { \
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.req = { \
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[0] = { .id = MSM_RPM_ID_PM8921_##_id##_0, }, \
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[1] = { .id = MSM_RPM_ID_PM8921_##_id##_1, }, \
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}, \
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.hpm_min_load = RPM_VREG_8960_##_hpm_min_load##_HPM_MIN_LOAD, \
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.type = RPM_REGULATOR_TYPE_LDO, \
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.set_points = &_ranges##_set_points, \
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.part = &ldo_parts, \
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.id = RPM_VREG_ID_PM8921_##_id, \
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.rdesc.name = _name, \
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.rdesc_pc.name = _name_pc, \
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.requires_cxo = _requires_cxo, \
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}
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#define SMPS(_id, _name, _name_pc, _ranges, _hpm_min_load) \
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[RPM_VREG_ID_PM8921_##_id] = { \
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.req = { \
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[0] = { .id = MSM_RPM_ID_PM8921_##_id##_0, }, \
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[1] = { .id = MSM_RPM_ID_PM8921_##_id##_1, }, \
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}, \
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.hpm_min_load = RPM_VREG_8960_##_hpm_min_load##_HPM_MIN_LOAD, \
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.type = RPM_REGULATOR_TYPE_SMPS, \
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.set_points = &_ranges##_set_points, \
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.part = &smps_parts, \
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.id = RPM_VREG_ID_PM8921_##_id, \
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.rdesc.name = _name, \
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.rdesc_pc.name = _name_pc, \
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}
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#define LVS(_id, _name, _name_pc) \
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[RPM_VREG_ID_PM8921_##_id] = { \
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.req = { \
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[0] = { .id = MSM_RPM_ID_PM8921_##_id, }, \
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[1] = { .id = -1, }, \
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}, \
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.type = RPM_REGULATOR_TYPE_VS, \
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.part = &switch_parts, \
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.id = RPM_VREG_ID_PM8921_##_id, \
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.rdesc.name = _name, \
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.rdesc_pc.name = _name_pc, \
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}
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#define MVS(_vreg_id, _name, _name_pc, _rpm_id) \
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[RPM_VREG_ID_PM8921_##_vreg_id] = { \
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.req = { \
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[0] = { .id = MSM_RPM_ID_##_rpm_id, }, \
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[1] = { .id = -1, }, \
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}, \
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.type = RPM_REGULATOR_TYPE_VS, \
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.part = &switch_parts, \
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.id = RPM_VREG_ID_PM8921_##_vreg_id, \
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.rdesc.name = _name, \
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.rdesc_pc.name = _name_pc, \
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}
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#define NCP(_id, _name, _name_pc) \
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[RPM_VREG_ID_PM8921_##_id] = { \
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.req = { \
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[0] = { .id = MSM_RPM_ID_##_id##_0, }, \
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[1] = { .id = MSM_RPM_ID_##_id##_1, }, \
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}, \
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.type = RPM_REGULATOR_TYPE_NCP, \
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.set_points = &ncp_set_points, \
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.part = &ncp_parts, \
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.id = RPM_VREG_ID_PM8921_##_id, \
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.rdesc.name = _name, \
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.rdesc_pc.name = _name_pc, \
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}
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static struct vreg vregs[] = {
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LDO(L1, "8921_l1", "8921_l1_pc", nldo, LDO_150, 1),
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LDO(L2, "8921_l2", "8921_l2_pc", nldo, LDO_150, 1),
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LDO(L3, "8921_l3", "8921_l3_pc", pldo, LDO_150, 0),
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LDO(L4, "8921_l4", "8921_l4_pc", pldo, LDO_50, 0),
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LDO(L5, "8921_l5", "8921_l5_pc", pldo, LDO_300, 0),
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LDO(L6, "8921_l6", "8921_l6_pc", pldo, LDO_600, 0),
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LDO(L7, "8921_l7", "8921_l7_pc", pldo, LDO_150, 0),
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LDO(L8, "8921_l8", "8921_l8_pc", pldo, LDO_300, 0),
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LDO(L9, "8921_l9", "8921_l9_pc", pldo, LDO_300, 0),
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LDO(L10, "8921_l10", "8921_l10_pc", pldo, LDO_600, 0),
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LDO(L11, "8921_l11", "8921_l11_pc", pldo, LDO_150, 0),
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LDO(L12, "8921_l12", "8921_l12_pc", nldo, LDO_150, 1),
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LDO(L13, "8921_l13", NULL, ln_ldo, LDO_5, 0),
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LDO(L14, "8921_l14", "8921_l14_pc", pldo, LDO_50, 0),
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LDO(L15, "8921_l15", "8921_l15_pc", pldo, LDO_150, 0),
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LDO(L16, "8921_l16", "8921_l16_pc", pldo, LDO_300, 0),
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LDO(L17, "8921_l17", "8921_l17_pc", pldo, LDO_150, 0),
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LDO(L18, "8921_l18", "8921_l18_pc", nldo, LDO_150, 1),
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LDO(L21, "8921_l21", "8921_l21_pc", pldo, LDO_150, 0),
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LDO(L22, "8921_l22", "8921_l22_pc", pldo, LDO_150, 0),
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LDO(L23, "8921_l23", "8921_l23_pc", pldo, LDO_150, 0),
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LDO(L24, "8921_l24", NULL, nldo1200, LDO_1200, 0),
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LDO(L25, "8921_l25", NULL, nldo1200, LDO_1200, 0),
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LDO(L26, "8921_l26", NULL, nldo1200, LDO_1200, 0),
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LDO(L27, "8921_l27", NULL, nldo1200, LDO_1200, 0),
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LDO(L28, "8921_l28", NULL, nldo1200, LDO_1200, 0),
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LDO(L29, "8921_l29", "8921_l29_pc", pldo, LDO_150, 0),
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SMPS(S1, "8921_s1", "8921_s1_pc", smps, SMPS_1500),
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SMPS(S2, "8921_s2", "8921_s2_pc", smps, SMPS_1500),
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SMPS(S3, "8921_s3", "8921_s3_pc", smps, SMPS_1500),
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SMPS(S4, "8921_s4", "8921_s4_pc", smps, SMPS_1500),
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SMPS(S5, "8921_s5", NULL, ftsmps, SMPS_2000),
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SMPS(S6, "8921_s6", NULL, ftsmps, SMPS_2000),
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SMPS(S7, "8921_s7", "8921_s7_pc", smps, SMPS_1500),
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SMPS(S8, "8921_s8", "8921_s8_pc", smps, SMPS_1500),
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LVS(LVS1, "8921_lvs1", "8921_lvs1_pc"),
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LVS(LVS2, "8921_lvs2", NULL),
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LVS(LVS3, "8921_lvs3", "8921_lvs3_pc"),
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LVS(LVS4, "8921_lvs4", "8921_lvs4_pc"),
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LVS(LVS5, "8921_lvs5", "8921_lvs5_pc"),
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LVS(LVS6, "8921_lvs6", "8921_lvs6_pc"),
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LVS(LVS7, "8921_lvs7", "8921_lvs7_pc"),
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MVS(USB_OTG, "8921_usb_otg", NULL, USB_OTG_SWITCH),
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MVS(HDMI_MVS, "8921_hdmi_mvs", NULL, HDMI_SWITCH),
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NCP(NCP, "8921_ncp", NULL),
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};
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static const char *pin_func_label[] = {
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[RPM_VREG_PIN_FN_8960_DONT_CARE] = "don't care",
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[RPM_VREG_PIN_FN_8960_ENABLE] = "on/off",
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[RPM_VREG_PIN_FN_8960_MODE] = "HPM/LPM",
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[RPM_VREG_PIN_FN_8960_SLEEP_B] = "sleep_b",
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[RPM_VREG_PIN_FN_8960_NONE] = "none",
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};
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static const char *force_mode_label[] = {
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[RPM_VREG_FORCE_MODE_8960_NONE] = "none",
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[RPM_VREG_FORCE_MODE_8960_LPM] = "LPM",
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[RPM_VREG_FORCE_MODE_8960_AUTO] = "auto",
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[RPM_VREG_FORCE_MODE_8960_HPM] = "HPM",
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[RPM_VREG_FORCE_MODE_8960_BYPASS] = "BYP",
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};
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static const char *power_mode_label[] = {
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[RPM_VREG_POWER_MODE_8960_HYSTERETIC] = "HYS",
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[RPM_VREG_POWER_MODE_8960_PWM] = "PWM",
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};
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static const char *pin_control_label[] = {
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" D1",
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" A0",
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" A1",
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" A2",
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};
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static int is_real_id(int id)
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{
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return (id >= 0) && (id <= RPM_VREG_ID_PM8921_MAX_REAL);
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}
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static int pc_id_to_real_id(int id)
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{
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int real_id;
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if (id >= RPM_VREG_ID_PM8921_L1_PC && id <= RPM_VREG_ID_PM8921_L12_PC)
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real_id = id - RPM_VREG_ID_PM8921_L1_PC;
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else if (id >= RPM_VREG_ID_PM8921_L14_PC
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&& id <= RPM_VREG_ID_PM8921_L23_PC)
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real_id = id - RPM_VREG_ID_PM8921_L14_PC
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+ RPM_VREG_ID_PM8921_L14;
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else if (id >= RPM_VREG_ID_PM8921_L29_PC
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&& id <= RPM_VREG_ID_PM8921_S4_PC)
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real_id = id - RPM_VREG_ID_PM8921_L29_PC
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+ RPM_VREG_ID_PM8921_L29;
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else if (id >= RPM_VREG_ID_PM8921_S7_PC
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&& id <= RPM_VREG_ID_PM8921_LVS1_PC)
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real_id = id - RPM_VREG_ID_PM8921_S7_PC + RPM_VREG_ID_PM8921_S7;
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else
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real_id = id - RPM_VREG_ID_PM8921_LVS3_PC
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+ RPM_VREG_ID_PM8921_LVS3;
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return real_id;
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}
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static struct vreg_config config = {
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.vregs = vregs,
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.vregs_len = ARRAY_SIZE(vregs),
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.vreg_id_min = RPM_VREG_ID_PM8921_L1,
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.vreg_id_max = RPM_VREG_ID_PM8921_MAX,
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.pin_func_none = RPM_VREG_PIN_FN_8960_NONE,
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.pin_func_sleep_b = RPM_VREG_PIN_FN_8960_SLEEP_B,
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.mode_lpm = REGULATOR_MODE_IDLE,
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.mode_hpm = REGULATOR_MODE_NORMAL,
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.set_points = all_set_points,
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.set_points_len = ARRAY_SIZE(all_set_points),
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.label_pin_ctrl = pin_control_label,
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.label_pin_ctrl_len = ARRAY_SIZE(pin_control_label),
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.label_pin_func = pin_func_label,
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.label_pin_func_len = ARRAY_SIZE(pin_func_label),
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.label_force_mode = force_mode_label,
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.label_force_mode_len = ARRAY_SIZE(force_mode_label),
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.label_power_mode = power_mode_label,
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.label_power_mode_len = ARRAY_SIZE(power_mode_label),
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.is_real_id = is_real_id,
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.pc_id_to_real_id = pc_id_to_real_id,
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};
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struct vreg_config *get_config_8960(void)
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{
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return &config;
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}
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struct vreg_config *get_config_8960_pm8917(void)
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{
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int i;
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/*
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* PM8917 regulators L24, L25, L26, L27, and L28 require CXO to be ON
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* while they are enabled. These same regulators on PM8921 do not
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* require CXO to be ON. Therefore, set the require_cxo flag for these
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* regulators only when using PM8917.
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*
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* Do not apply the workaround to L24 (VDD_MX) because it is always on
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* and using the TCXO workaround with it would result in additional
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* latency during every Krait upscaling event.
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*/
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for (i = 0; i < ARRAY_SIZE(vregs); i++) {
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switch (vregs[i].id) {
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case RPM_VREG_ID_PM8921_L25:
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case RPM_VREG_ID_PM8921_L26:
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case RPM_VREG_ID_PM8921_L27:
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case RPM_VREG_ID_PM8921_L28:
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vregs[i].requires_cxo = true;
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default:
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break;
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}
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}
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return &config;
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}
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