linux-kernel - Re: [PATCH 12/13] regulator: add pm8008 pmic regulator driver

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Message-ID: <c8ec69e4-a411-448d-8ebb-c896a2c754c7@linaro.org>
Date: Wed, 15 May 2024 00:14:04 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>, johan@...nel.org
Cc: andersson@...nel.org, andy.shevchenko@...il.com, broonie@...nel.org,
 conor+dt@...nel.org, devicetree@...r.kernel.org, johan+linaro@...nel.org,
 krzk+dt@...nel.org, lee@...nel.org, lgirdwood@...il.com,
 linus.walleij@...aro.org, linux-arm-msm@...r.kernel.org,
 linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
 quic_c_skakit@...cinc.com, quic_gurus@...cinc.com, robh@...nel.org,
 swboyd@...omium.org
Subject: Re: [PATCH 12/13] regulator: add pm8008 pmic regulator driver



On 5/14/24 15:43, Satya Priya Kakitapalli wrote:
>> On Tue, May 07, 2024 at 01:48:30PM +0200, Konrad Dybcio wrote:
>>> On 5/6/24 17:08, Johan Hovold wrote:
>>>> From: Satya Priya <quic_c_skakit@...cinc.com>
>>>>
>>>> Qualcomm Technologies, Inc. PM8008 is an I2C-controlled PMIC containing
>>>> seven LDO regulators. Add a PM8008 regulator driver to support PMIC
>>>> regulator management via the regulator framework.
>>>>
>>>> Note that this driver, originally submitted by Satya Priya [1], has been
>>>> reworked to match the new devicetree binding which no longer describes
>>>> each regulator as a separate device.
>>>>
>>>> This avoids describing internal details like register offsets in the
>>>> devicetree and allows for extending the implementation with features
>>>> like over-current protection without having to update the binding.
>>>>
>>>> Specifically note that the regulator interrupts are shared between all
>>>> regulators.
>>>>
>>>> Note that the secondary regmap is looked up by name and that if the
>>>> driver ever needs to be generalised to support regulators provided by
>>>> the primary regmap (I2C address) such information could be added to a
>>>> driver lookup table matching on the parent compatible.
>>>>
>>>> This also fixes the original implementation, which looked up regulators
>>>> by 'regulator-name' property rather than devicetree node name and which
>>>> prevented the regulators from being named to match board schematics.
>>>>
>>>> [1] https://lore.kernel.org/r/1655200111-18357-8-git-send-email-quic_c_skakit@quicinc.com
>>>>
>>>> Signed-off-by: Satya Priya <quic_c_skakit@...cinc.com>
> 
> This is my old email which is discontinued, please use <quic_skakitap@...cinc.com>

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Konrad