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Commit 27591ea2 authored by Fenglin Wu's avatar Fenglin Wu Committed by Mark Brown
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regulator: qcom-rpmh: extend to support multiple linear voltage ranges 

Update rpmh_vreg_hw_data to support multiple linear voltage ranges for
potential regulators which have discrete voltage program ranges.
Suggested-by: default avatarDavid Collins <quic_collinsd@quicinc.com>
Reviewed-by: default avatarDavid Collins <quic_collinsd@quicinc.com>
Signed-off-by: default avatarFenglin Wu <quic_fenglinw@quicinc.com>
Link: https://msgid.link/r/20231214-pm8010-regulator-v2-1-82131df6b97b@quicinc.comSigned-off-by: default avatarMark Brown <broonie@kernel.org>
parent 753e4d5c
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Showing with 89 additions and 26 deletions
drivers/regulator/qcom-rpmh-regulator.c
View file @ 27591ea2
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
// Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
#define pr_fmt(fmt) "%s: " fmt, __func__
......@@ -68,10 +69,11 @@ enum rpmh_regulator_type {
* @regulator_type: RPMh accelerator type used to manage this
* regulator
* @ops: Pointer to regulator ops callback structure
* @voltage_range: The single range of voltages supported by this
* PMIC regulator type
* @voltage_ranges: The possible ranges of voltages supported by this
* PMIC regulator type
* @n_linear_ranges: Number of entries in voltage_ranges
* @n_voltages: The number of unique voltage set points defined
* by voltage_range
* by voltage_ranges
* @hpm_min_load_uA: Minimum load current in microamps that requires
* high power mode (HPM) operation. This is used
* for LDO hardware type regulators only.
......@@ -85,7 +87,8 @@ enum rpmh_regulator_type {
struct rpmh_vreg_hw_data {
enum rpmh_regulator_type regulator_type;
const struct regulator_ops *ops;
const struct linear_range voltage_range;
const struct linear_range *voltage_ranges;
int n_linear_ranges;
int n_voltages;
int hpm_min_load_uA;
const int *pmic_mode_map;
......@@ -449,8 +452,8 @@ static int rpmh_regulator_init_vreg(struct rpmh_vreg *vreg, struct device *dev,
vreg->mode = REGULATOR_MODE_INVALID;
if (rpmh_data->hw_data->n_voltages) {
vreg->rdesc.linear_ranges = &rpmh_data->hw_data->voltage_range;
vreg->rdesc.n_linear_ranges = 1;
vreg->rdesc.linear_ranges = rpmh_data->hw_data->voltage_ranges;
vreg->rdesc.n_linear_ranges = rpmh_data->hw_data->n_linear_ranges;
vreg->rdesc.n_voltages = rpmh_data->hw_data->n_voltages;
}
......@@ -613,7 +616,10 @@ static unsigned int rpmh_regulator_pmic4_bob_of_map_mode(unsigned int rpmh_mode)
static const struct rpmh_vreg_hw_data pmic4_pldo = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_drms_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(1664000, 0, 255, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1664000, 0, 255, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 256,
.hpm_min_load_uA = 10000,
.pmic_mode_map = pmic_mode_map_pmic4_ldo,
......@@ -623,7 +629,10 @@ static const struct rpmh_vreg_hw_data pmic4_pldo = {
static const struct rpmh_vreg_hw_data pmic4_pldo_lv = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_drms_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(1256000, 0, 127, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1256000, 0, 127, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 128,
.hpm_min_load_uA = 10000,
.pmic_mode_map = pmic_mode_map_pmic4_ldo,
......@@ -633,7 +642,10 @@ static const struct rpmh_vreg_hw_data pmic4_pldo_lv = {
static const struct rpmh_vreg_hw_data pmic4_nldo = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_drms_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(312000, 0, 127, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(312000, 0, 127, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 128,
.hpm_min_load_uA = 30000,
.pmic_mode_map = pmic_mode_map_pmic4_ldo,
......@@ -643,7 +655,10 @@ static const struct rpmh_vreg_hw_data pmic4_nldo = {
static const struct rpmh_vreg_hw_data pmic4_hfsmps3 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 216,
.pmic_mode_map = pmic_mode_map_pmic4_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
......@@ -652,7 +667,10 @@ static const struct rpmh_vreg_hw_data pmic4_hfsmps3 = {
static const struct rpmh_vreg_hw_data pmic4_ftsmps426 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(320000, 0, 258, 4000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(320000, 0, 258, 4000),
},
.n_linear_ranges = 1,
.n_voltages = 259,
.pmic_mode_map = pmic_mode_map_pmic4_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
......@@ -661,7 +679,10 @@ static const struct rpmh_vreg_hw_data pmic4_ftsmps426 = {
static const struct rpmh_vreg_hw_data pmic4_bob = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_bypass_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(1824000, 0, 83, 32000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1824000, 0, 83, 32000),
},
.n_linear_ranges = 1,
.n_voltages = 84,
.pmic_mode_map = pmic_mode_map_pmic4_bob,
.of_map_mode = rpmh_regulator_pmic4_bob_of_map_mode,
......@@ -676,7 +697,10 @@ static const struct rpmh_vreg_hw_data pmic4_lvs = {
static const struct rpmh_vreg_hw_data pmic5_pldo = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_drms_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(1504000, 0, 255, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1504000, 0, 255, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 256,
.hpm_min_load_uA = 10000,
.pmic_mode_map = pmic_mode_map_pmic5_ldo,
......@@ -686,7 +710,10 @@ static const struct rpmh_vreg_hw_data pmic5_pldo = {
static const struct rpmh_vreg_hw_data pmic5_pldo_lv = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_drms_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(1504000, 0, 62, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1504000, 0, 62, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 63,
.hpm_min_load_uA = 10000,
.pmic_mode_map = pmic_mode_map_pmic5_ldo,
......@@ -696,7 +723,10 @@ static const struct rpmh_vreg_hw_data pmic5_pldo_lv = {
static const struct rpmh_vreg_hw_data pmic5_pldo515_mv = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_drms_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(1800000, 0, 187, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1800000, 0, 187, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 188,
.hpm_min_load_uA = 10000,
.pmic_mode_map = pmic_mode_map_pmic5_ldo,
......@@ -706,7 +736,10 @@ static const struct rpmh_vreg_hw_data pmic5_pldo515_mv = {
static const struct rpmh_vreg_hw_data pmic5_nldo = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_drms_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(320000, 0, 123, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(320000, 0, 123, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 124,
.hpm_min_load_uA = 30000,
.pmic_mode_map = pmic_mode_map_pmic5_ldo,
......@@ -716,7 +749,10 @@ static const struct rpmh_vreg_hw_data pmic5_nldo = {
static const struct rpmh_vreg_hw_data pmic5_nldo515 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_drms_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(320000, 0, 210, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(320000, 0, 210, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 211,
.hpm_min_load_uA = 30000,
.pmic_mode_map = pmic_mode_map_pmic5_ldo,
......@@ -726,7 +762,10 @@ static const struct rpmh_vreg_hw_data pmic5_nldo515 = {
static const struct rpmh_vreg_hw_data pmic5_hfsmps510 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 216,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
......@@ -735,7 +774,10 @@ static const struct rpmh_vreg_hw_data pmic5_hfsmps510 = {
static const struct rpmh_vreg_hw_data pmic5_ftsmps510 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(300000, 0, 263, 4000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(300000, 0, 263, 4000),
},
.n_linear_ranges = 1,
.n_voltages = 264,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
......@@ -744,7 +786,10 @@ static const struct rpmh_vreg_hw_data pmic5_ftsmps510 = {
static const struct rpmh_vreg_hw_data pmic5_ftsmps520 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(300000, 0, 263, 4000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(300000, 0, 263, 4000),
},
.n_linear_ranges = 1,
.n_voltages = 264,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
......@@ -753,7 +798,10 @@ static const struct rpmh_vreg_hw_data pmic5_ftsmps520 = {
static const struct rpmh_vreg_hw_data pmic5_ftsmps525_lv = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(300000, 0, 267, 4000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(300000, 0, 267, 4000),
},
.n_linear_ranges = 1,
.n_voltages = 268,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
......@@ -762,7 +810,10 @@ static const struct rpmh_vreg_hw_data pmic5_ftsmps525_lv = {
static const struct rpmh_vreg_hw_data pmic5_ftsmps525_mv = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(600000, 0, 267, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(600000, 0, 267, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 268,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
......@@ -771,7 +822,10 @@ static const struct rpmh_vreg_hw_data pmic5_ftsmps525_mv = {
static const struct rpmh_vreg_hw_data pmic5_ftsmps527 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
},
.n_linear_ranges = 1,
.n_voltages = 215,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
......@@ -780,7 +834,10 @@ static const struct rpmh_vreg_hw_data pmic5_ftsmps527 = {
static const struct rpmh_vreg_hw_data pmic5_hfsmps515 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(320000, 0, 235, 16000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(320000, 0, 235, 16000),
},
.n_linear_ranges = 1,
.n_voltages = 236,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
......@@ -789,7 +846,10 @@ static const struct rpmh_vreg_hw_data pmic5_hfsmps515 = {
static const struct rpmh_vreg_hw_data pmic5_hfsmps515_1 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(900000, 0, 4, 16000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(900000, 0, 4, 16000),
},
.n_linear_ranges = 1,
.n_voltages = 5,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
......@@ -798,7 +858,10 @@ static const struct rpmh_vreg_hw_data pmic5_hfsmps515_1 = {
static const struct rpmh_vreg_hw_data pmic5_bob = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_bypass_ops,
.voltage_range = REGULATOR_LINEAR_RANGE(3000000, 0, 31, 32000),
.voltage_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(3000000, 0, 31, 32000),
},
.n_linear_ranges = 1,
.n_voltages = 32,
.pmic_mode_map = pmic_mode_map_pmic5_bob,
.of_map_mode = rpmh_regulator_pmic4_bob_of_map_mode,
......
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