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From: Peng Fan <peng.fan@nxp.com>
To: Rob Herring <robh@kernel.org>,
	Frieder Schrempf <frieder.schrempf@kontron.de>
Cc: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
	"kernel@pengutronix.de" <kernel@pengutronix.de>,
	"festevam@gmail.com" <festevam@gmail.com>,
	dl-linux-imx <linux-imx@nxp.com>,
	"p.zabel@pengutronix.de" <p.zabel@pengutronix.de>,
	"l.stach@pengutronix.de" <l.stach@pengutronix.de>,
	"krzk@kernel.org" <krzk@kernel.org>,
	"agx@sigxcpu.org" <agx@sigxcpu.org>,
	"marex@denx.de" <marex@denx.de>,
	"andrew.smirnov@gmail.com" <andrew.smirnov@gmail.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Jacky Bai <ping.bai@nxp.com>,
	"aford173@gmail.com" <aford173@gmail.com>,
	Abel Vesa <abel.vesa@nxp.com>
Subject: RE: [PATCH V2 08/13] dt-bindings: imx: gpcv2: add support for optional resets
Date: Sat, 8 May 2021 00:50:01 +0000	[thread overview]
Message-ID: <DB6PR0402MB2760B7FDE5AEC56C782CC59A88569@DB6PR0402MB2760.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20210507211619.GA2899069@robh.at.kernel.org>

> Subject: Re: [PATCH V2 08/13] dt-bindings: imx: gpcv2: add support for
> optional resets
> 
> On Thu, May 06, 2021 at 08:43:17AM +0200, Frieder Schrempf wrote:
> > On 06.05.21 03:04, Peng Fan (OSS) wrote:
> > > From: Lucas Stach <l.stach@pengutronix.de>
> > >
> > > For some domains the resets of the devices in the domain are not
> > > automatically triggered. Add an optional resets property to allow
> > > the GPC driver to trigger those resets explicitly.
> > >
> > > The resets belong to devices located inside the power domain, which
> > > need to be held in reset across the power-up sequence. So we have no
> > > means to specify what each reset is in a generic power-domain
> > > binding. Same situation as with the clocks in this binding actually.
> >
> > My understanding was that Rob wanted this explanation to be contained in
> the binding docs itself and not only in the commit message, but I might be
> wrong.
> 
> Yes, that would be better.

Sure, I will include that in V3.

Thanks,
Peng.

> 
> >
> > >
> > > Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> > > Signed-off-by: Peng Fan <peng.fan@nxp.com>
> > > ---
> > >  Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml | 7
> > > +++++++
> > >  1 file changed, 7 insertions(+)
> > >
> > > diff --git
> > > a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> > > b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> > > index a96e6dbf1858..4330c73a2c30 100644
> > > --- a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> > > +++ b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> > > @@ -66,6 +66,13 @@ properties:
> > >
> > >            power-supply: true
> > >
> > > +          resets:
> > > +            description: |
> > > +              A number of phandles to resets that need to be
> asserted during
> > > +              power-up sequencing of the domain.
> > > +            minItems: 1
> > > +            maxItems: 4
> > > +
> > >          required:
> > >            - '#power-domain-cells'
> > >            - reg
> > >

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  reply	other threads:[~2021-05-08  0:52 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-06  1:04 [PATCH V2 00/13] soc: imx: gpcv2: support i.MX8MM Peng Fan (OSS)
2021-05-06  1:04 ` [PATCH V2 01/13] soc: imx: gpcv2: move to more ideomatic error handling in probe Peng Fan (OSS)
2021-05-06  1:04 ` [PATCH V2 02/13] soc: imx: gpcv2: move domain mapping to domain driver probe Peng Fan (OSS)
2021-05-06  1:04 ` [PATCH V2 03/13] soc: imx: gpcv2: switch to clk_bulk_* API Peng Fan (OSS)
2021-05-06  6:30   ` Frieder Schrempf
2021-05-06  1:04 ` [PATCH V2 04/13] soc: imx: gpcv2: split power up and power down sequence control Peng Fan (OSS)
2021-05-06  6:36   ` Frieder Schrempf
2021-05-06  1:04 ` [PATCH V2 05/13] soc: imx: gpcv2: wait for ADB400 handshake Peng Fan (OSS)
2021-05-06  1:04 ` [PATCH V2 06/13] soc: imx: gpcv2: add runtime PM support for power-domains Peng Fan (OSS)
2021-05-06  1:04 ` [PATCH V2 07/13] soc: imx: gpcv2: allow domains without power-sequence control Peng Fan (OSS)
2021-05-06  1:04 ` [PATCH V2 08/13] dt-bindings: imx: gpcv2: add support for optional resets Peng Fan (OSS)
2021-05-06  6:43   ` Frieder Schrempf
2021-05-07 21:16     ` Rob Herring
2021-05-08  0:50       ` Peng Fan [this message]
2021-05-06  1:04 ` [PATCH V2 09/13] soc: " Peng Fan (OSS)
2021-05-06  1:04 ` [PATCH V2 10/13] dt-bindings: power: add defines for i.MX8MM power domains Peng Fan (OSS)
2021-05-06  1:04 ` [PATCH V2 11/13] soc: imx: gpcv2: add support " Peng Fan (OSS)
2021-05-06  1:04 ` [PATCH V2 12/13] soc: imx: gpcv2: Add support for missing i.MX8MM VPU/DISPMIX " Peng Fan (OSS)
2021-05-06  1:04 ` [PATCH V2 13/13] soc: imx: gpcv2: move reset assert after requesting domain power up Peng Fan (OSS)
2021-05-06  6:56   ` Frieder Schrempf
2021-05-06  8:32 ` [PATCH V2 00/13] soc: imx: gpcv2: support i.MX8MM Frieder Schrempf
2021-05-19 16:09   ` Frieder Schrempf
2021-05-20 15:16     ` Frieder Schrempf
2021-07-21 20:51       ` Lucas Stach
2021-07-22  6:36         ` Frieder Schrempf
2021-08-04 14:30 ` Ezequiel Garcia
2021-08-09  8:15   ` Lucas Stach
2021-09-03 12:26     ` Benjamin Gaignard
  -- strict thread matches above, loose matches on Subject: below --
2020-11-05 17:44 [PATCH v2 00/13] i.MX8MM power domain support Lucas Stach
2020-11-05 17:44 ` [PATCH v2 08/13] dt-bindings: imx: gpcv2: add support for optional resets Lucas Stach
2020-11-09 20:15   ` Rob Herring
2020-11-17 14:11     ` Lucas Stach
2020-11-30  9:57       ` Lucas Stach
2021-02-10 14:35         ` Lucas Stach
2021-02-10 14:42           ` Marek Vasut
2021-04-26  9:24           ` Frieder Schrempf
2021-04-29 14:38             ` Frieder Schrempf
2021-03-22 18:19       ` Adam Ford

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