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SubjectRe: [PATCH V2 2/5] regulator: qcom-rpmh: Add PM7325/PMR735A regulator support
Hi Matthias,

Thanks for reviewing the patches!

On 2021-03-17 01:22, Matthias Kaehlcke wrote:
> On Mon, Mar 15, 2021 at 07:24:11PM +0530, satya priya wrote:
>> Add support for PM7325/PMR735A regulators. This ensures
>> that consumers are able to modify the physical state of PMIC
>> regulators.
>>
>> Signed-off-by: satya priya <skakit@codeaurora.org>
>> ---
>> Changes in V2:
>> - No change.
>>
>> drivers/regulator/qcom-rpmh-regulator.c | 53
>> ++++++++++++++++++++++++++++++++-
>> 1 file changed, 52 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/regulator/qcom-rpmh-regulator.c
>> b/drivers/regulator/qcom-rpmh-regulator.c
>> index 9471890..3509523 100644
>> --- a/drivers/regulator/qcom-rpmh-regulator.c
>> +++ b/drivers/regulator/qcom-rpmh-regulator.c
>> @@ -1,5 +1,5 @@
>> // SPDX-License-Identifier: GPL-2.0
>> -// Copyright (c) 2018-2019, The Linux Foundation. All rights
>> reserved.
>> +// Copyright (c) 2018-2021, The Linux Foundation. All rights
>> reserved.
>>
>> #define pr_fmt(fmt) "%s: " fmt, __func__
>>
>> @@ -1042,6 +1042,49 @@ static const struct rpmh_vreg_init_data
>> pmx55_vreg_data[] = {
>> {},
>> };
>>
>> +static const struct rpmh_vreg_init_data pm7325_vreg_data[] = {
>> + RPMH_VREG("smps1", "smp%s1", &pmic5_hfsmps510, "vdd-s1"),
>> + RPMH_VREG("smps2", "smp%s2", &pmic5_ftsmps520, "vdd-s2"),
>> + RPMH_VREG("smps3", "smp%s3", &pmic5_ftsmps520, "vdd-s3"),
>> + RPMH_VREG("smps4", "smp%s4", &pmic5_ftsmps520, "vdd-s4"),
>> + RPMH_VREG("smps5", "smp%s5", &pmic5_ftsmps520, "vdd-s5"),
>> + RPMH_VREG("smps6", "smp%s6", &pmic5_ftsmps520, "vdd-s6"),
>> + RPMH_VREG("smps7", "smp%s7", &pmic5_ftsmps520, "vdd-s7"),
>> + RPMH_VREG("smps8", "smp%s8", &pmic5_hfsmps510, "vdd-s8"),
>> + RPMH_VREG("ldo1", "ldo%s1", &pmic5_nldo,
>> "vdd-l1-l4-l12-l15"),
>> + RPMH_VREG("ldo2", "ldo%s2", &pmic5_pldo, "vdd-l2-l7"),
>> + RPMH_VREG("ldo3", "ldo%s3", &pmic5_nldo, "vdd-l3"),
>> + RPMH_VREG("ldo4", "ldo%s4", &pmic5_nldo,
>> "vdd-l1-l4-l12-l15"),
>> + RPMH_VREG("ldo5", "ldo%s5", &pmic5_nldo, "vdd-l5"),
>> + RPMH_VREG("ldo6", "ldo%s6", &pmic5_nldo, "vdd-l6-l9-l10"),
>> + RPMH_VREG("ldo7", "ldo%s7", &pmic5_pldo, "vdd-l2-l7"),
>> + RPMH_VREG("ldo8", "ldo%s8", &pmic5_nldo, "vdd-l8"),
>> + RPMH_VREG("ldo9", "ldo%s9", &pmic5_nldo, "vdd-l6-l9-l10"),
>> + RPMH_VREG("ldo10", "ldo%s10", &pmic5_nldo, "vdd-l6-l9-l10"),
>> + RPMH_VREG("ldo11", "ldo%s11", &pmic5_pldo_lv,
>> "vdd-l11-l17-l18-l19"),
>> + RPMH_VREG("ldo12", "ldo%s12", &pmic5_nldo,
>> "vdd-l1-l4-l12-l15"),
>> + RPMH_VREG("ldo13", "ldo%s13", &pmic5_nldo, "vdd-l13"),
>> + RPMH_VREG("ldo14", "ldo%s14", &pmic5_nldo, "vdd-l14-l16"),
>> + RPMH_VREG("ldo15", "ldo%s15", &pmic5_nldo,
>> "vdd-l1-l4-l12-l15"),
>> + RPMH_VREG("ldo16", "ldo%s16", &pmic5_nldo, "vdd-l14-l16"),
>> + RPMH_VREG("ldo17", "ldo%s17", &pmic5_pldo_lv,
>> "vdd-l11-l17-l18-l19"),
>> + RPMH_VREG("ldo18", "ldo%s18", &pmic5_pldo_lv,
>> "vdd-l11-l17-l18-l19"),
>> + RPMH_VREG("ldo19", "ldo%s19", &pmic5_pldo_lv,
>> "vdd-l11-l17-l18-l19"),
>> +};
>
> Could you help me understand these funky supply names? I see other RPMh
> regulators also have them, so they are probably totally fine, but it
> isn't clear to me what exactly the names represent. Apparently the LDO
> itself is in the supply name, but many LDOs also list others.

These supply names are taken from powergrid. They are basically the
parent supply names.
For example ldo2 and ldo7 have the parent supply vdd-l2-l7. Hence we
gave supply name vdd-l2-l7 for these 2 regulators.

Thanks,
Satya Priya

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