From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Shenwei Wang <shenwei.wang@nxp.com>, Rob Herring <robh+dt@kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
"imx@lists.linux.dev" <imx@lists.linux.dev>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
dl-linux-imx <linux-imx@nxp.com>
Subject: Re: [PATCH 1/2] dt-bindings: power: Add regulator-pd yaml file
Date: Sat, 19 Aug 2023 10:04:05 +0200 [thread overview]
Message-ID: <9927403d-6dd9-3e5e-8f9d-f38e6640f95f@linaro.org> (raw)
In-Reply-To: <PAXPR04MB918539A19B8F817F623BBD1F891BA@PAXPR04MB9185.eurprd04.prod.outlook.com>
On 18/08/2023 23:06, Shenwei Wang wrote:
>
>
>> -----Original Message-----
>> From: Rob Herring <robh+dt@kernel.org>
>> Sent: Friday, August 18, 2023 3:52 PM
>> To: Shenwei Wang <shenwei.wang@nxp.com>
>> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>; Conor Dooley
>> <conor+dt@kernel.org>; Ulf Hansson <ulf.hansson@linaro.org>; Liam Girdwood
>> <lgirdwood@gmail.com>; Mark Brown <broonie@kernel.org>;
>> imx@lists.linux.dev; devicetree@vger.kernel.org; linux-kernel@vger.kernel.org;
>> dl-linux-imx <linux-imx@nxp.com>
>> Subject: [EXT] Re: [PATCH 1/2] dt-bindings: power: Add regulator-pd yaml file
>>>
>>> Documenting the regulator power domain properties and usage examples.
>>
>> This needs to answer why we need this.
>>
>> It looks like just an abstraction layer to make regulators look like a power
>> domain.
>>
>
> Yes, it is a wrapper that allows using regulators as a power domain. This removes
> the need to add regulator operating code in each consumer device driver. As a power
> domain, the regulator will be managed automatically by the device driver framework
> and PM subsystem.
>
> This is very useful when a device's power is controlled by a GPIO pin, which currently
> requires using the fixed-regulator to achieve the same purpose. However, the
> fixed-regulator approach may have to add code in the driver in order to use it.
Why do you start discussion from zero ignoring all previous history of
this patchset?
https://lore.kernel.org/all/20220609150851.23084-1-max.oss.09@gmail.com/
Best regards,
Krzysztof
next prev parent reply other threads:[~2023-08-19 8:04 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-18 15:34 [PATCH 1/2] dt-bindings: power: Add regulator-pd yaml file Shenwei Wang
2023-08-18 15:34 ` [PATCH 2/2] genpd: regulator-pd: add regulator-pd driver Shenwei Wang
2023-08-18 20:51 ` [PATCH 1/2] dt-bindings: power: Add regulator-pd yaml file Rob Herring
2023-08-18 21:06 ` Shenwei Wang
2023-08-19 8:04 ` Krzysztof Kozlowski [this message]
2023-08-21 13:22 ` Shenwei Wang
2023-08-21 18:49 ` Rob Herring
2023-08-22 15:18 ` Shenwei Wang
2023-08-22 15:25 ` Krzysztof Kozlowski
2023-08-22 15:50 ` [EXT] " Shenwei Wang
2023-08-22 15:57 ` Krzysztof Kozlowski
2023-08-22 16:14 ` Shenwei Wang
2023-08-24 9:26 ` Ulf Hansson
2023-08-24 16:35 ` Shenwei Wang
2023-08-25 12:24 ` Ulf Hansson
2023-08-25 15:44 ` Shenwei Wang
2023-08-26 17:31 ` Krzysztof Kozlowski
2023-08-28 9:59 ` Ulf Hansson
2023-08-28 10:45 ` Krzysztof Kozlowski
2023-08-28 14:14 ` Shenwei Wang
2023-08-28 14:04 ` Shenwei Wang
2023-08-28 17:10 ` Krzysztof Kozlowski
2023-08-28 18:39 ` Shenwei Wang
2023-08-28 18:42 ` Krzysztof Kozlowski
2023-08-28 18:50 ` Shenwei Wang
2023-08-28 18:52 ` Krzysztof Kozlowski
2023-08-28 19:09 ` Shenwei Wang
2023-08-28 19:11 ` Krzysztof Kozlowski
2023-08-28 19:23 ` [EXT] " Shenwei Wang
2023-08-28 19:30 ` Krzysztof Kozlowski
2023-08-28 19:49 ` Shenwei Wang
2023-08-28 21:13 ` Rob Herring
2023-08-29 13:21 ` Shenwei Wang
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