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Date: Wed, 9 Mar 2022 18:18:39 +0100 From: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com> To: "Peng Fan (OSS)" <peng.fan@....nxp.com>, bjorn.andersson@...aro.org, mathieu.poirier@...aro.org, robh+dt@...nel.org Cc: shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com, linux-imx@....com, linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com> Subject: Re: [PATCH V2 1/6] dt-bindings: remoteproc: imx_rproc: support i.MX8QXP On 09/03/2022 11:21, Peng Fan (OSS) wrote: > From: Peng Fan <peng.fan@....com> > > Add i.MX8QXP compatible > > Add a new property rsrc-id(resource id) for SoC which supports > SCFW(System Controller Firmware). SCFW manages resources using resource > id, here the rsrc-id is used to check whether remote process is under > control of Linux or not. > > To i.MX8QM/QXP, when M4 is in the same hardware partition with Cortex-A > cores, need power up M4 through SCFW, then M4 could start. So introduce > power-domains property. > > Signed-off-by: Peng Fan <peng.fan@....com> > --- > .../bindings/remoteproc/fsl,imx-rproc.yaml | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml > index fc16d903353e..f25c203dd2f9 100644 > --- a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml > +++ b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml > @@ -19,6 +19,7 @@ properties: > - fsl,imx8mm-cm4 > - fsl,imx8mn-cm7 > - fsl,imx8mp-cm7 > + - fsl,imx8qxp-cm4 > - fsl,imx8ulp-cm33 > - fsl,imx7d-cm4 > - fsl,imx7ulp-cm4 > @@ -27,6 +28,11 @@ properties: > clocks: > maxItems: 1 > > + entry: > + $ref: /schemas/types.yaml#/definitions/uint32 Does not look like a generic property, so please add vendor prefix. Suffix also would look good, so: "fsl,entry-address" > + description: | > + Specify cpu entry address for SCU enabled processor. s/cpu/CPU/ > + > syscon: > $ref: /schemas/types.yaml#/definitions/phandle > description: > @@ -59,6 +65,15 @@ properties: > Indicate whether need to load the default firmware and start the remote > processor automatically. > > + power-domains: > + maxItems: 8 > + > + rsrc-id: > + description: > + This property is to specify the resource id of the remote processor in SoC > + which supports SCFW Needs type, vendor prefix. > + maxItems: 1 > + > required: > - compatible > Best regards, Krzysztof
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