linux-kernel - RE: [PATCH V2 3/5] arm64: zynqmp: Add ZynqnMP nvmem nodes

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Message-ID: <BYAPR12MB3207FC23425007B129ED4D3ECBD4A@BYAPR12MB3207.namprd12.prod.outlook.com>
Date:   Thu, 19 Oct 2023 10:32:42 +0000
From:   "Kundanala, Praveen Teja" <praveen.teja.kundanala@....com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "srinivas.kandagatla@...aro.org" <srinivas.kandagatla@...aro.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "Simek, Michal" <michal.simek@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH V2 3/5] arm64: zynqmp: Add ZynqnMP nvmem nodes

[AMD Official Use Only - General]

Hi Kozlowski,

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Sent: Thursday, October 19, 2023 2:58 PM
> To: Kundanala, Praveen Teja <praveen.teja.kundanala@....com>;
> srinivas.kandagatla@...aro.org; robh+dt@...nel.org;
> krzysztof.kozlowski+dt@...aro.org; conor+dt@...nel.org; Simek, Michal
> <michal.simek@....com>; Kundanala, Praveen Teja
> <praveen.teja.kundanala@....com>; devicetree@...r.kernel.org; linux-arm-
> kernel@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org
> Subject: Re: [PATCH V2 3/5] arm64: zynqmp: Add ZynqnMP nvmem nodes
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> On 19/10/2023 08:06, Praveen Teja Kundanala wrote:
> > Add nvmem DT nodes for ZynqMP SOC
> >
> > Signed-off-by: Praveen Teja Kundanala <praveen.teja.kundanala@....com>
> > ---
> >  arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 59
> > +++++++++++++++++++++++++-
> >  1 file changed, 57 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> > b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> > index b61fc99cd911..b7433e6b9d6c 100644
> > --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> > +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> > @@ -194,14 +194,69 @@ zynqmp_power: zynqmp-power {
> >                               mbox-names = "tx", "rx";
> >                       };
> >
> > -                     nvmem_firmware {
> > +                     nvmem-firmware {
>
> Node names should be generic. See also an explanation and list of examples
> (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-
> basics.html#generic-names-recommendation
[Kundanala, Praveen Teja] Okay
>
>
> >                               compatible = "xlnx,zynqmp-nvmem-fw";
>
> It does not look like you tested the DTS against bindings. Please run `make
> dtbs_check W=1` (see Documentation/devicetree/bindings/writing-schema.rst
> or https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-
> sources-with-the-devicetree-schema/
> for instructions).
[Kundanala, Praveen Teja] Missed it, Will run and send V3.
>
> >                               #address-cells = <1>;
> >                               #size-cells = <1>;
> >
> > -                             soc_revision: soc_revision@0 {
> > +                             soc_revision: soc-revision@0 {
> >                                       reg = <0x0 0x4>;
> >                               };
>
> Wasn't this fixed already by Michal?
[Kundanala, Praveen Teja] Took base on Srinivas for-next repo and Michal's changes were not reflected in that repo.
>
>
> Best regards,
> Krzysztof