RE: [PATCH 1/2] dt-bindings: edac: Add bindings for Xilinx ZynqMP OCM

From: Potthuri, Sai Krishna
Date: Tue Aug 16 2022 - 08:43:37 EST


Hi Krzysztof,

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Sent: Tuesday, August 16, 2022 1:29 PM
> To: Potthuri, Sai Krishna <sai.krishna.potthuri@xxxxxxx>; Rob Herring
> <robh+dt@xxxxxxxxxx>; Krzysztof Kozlowski
> <krzysztof.kozlowski+dt@xxxxxxxxxx>; Michal Simek
> <michal.simek@xxxxxxxxxx>; Borislav Petkov <bp@xxxxxxxxx>; Mauro
> Carvalho Chehab <mchehab@xxxxxxxxxx>; Tony Luck <tony.luck@xxxxxxxxx>;
> James Morse <james.morse@xxxxxxx>; Robert Richter <rric@xxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; linux-edac@xxxxxxxxxxxxxxx;
> saikrishna12468@xxxxxxxxx; git (AMD-Xilinx) <git@xxxxxxx>; Shubhrajyoti
> Datta <shubhrajyoti.datta@xxxxxxxxxx>
> Subject: Re: [PATCH 1/2] dt-bindings: edac: Add bindings for Xilinx ZynqMP
> OCM
>
> On 16/08/2022 10:32, Sai Krishna Potthuri wrote:
> > From: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
> >
> > Add bindings for Xilinx ZynqMP OCM controller.
> >
> > Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
> > Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx>
> > ---
> > .../bindings/edac/xlnx,zynqmp-ocmc.yaml | 41 +++++++++++++++++++
> > 1 file changed, 41 insertions(+)
> > create mode 100644
> > Documentation/devicetree/bindings/edac/xlnx,zynqmp-ocmc.yaml
> >
> > diff --git
> > a/Documentation/devicetree/bindings/edac/xlnx,zynqmp-ocmc.yaml
> > b/Documentation/devicetree/bindings/edac/xlnx,zynqmp-ocmc.yaml
> > new file mode 100644
> > index 000000000000..9bcecaccade2
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/edac/xlnx,zynqmp-ocmc.yaml
> > @@ -0,0 +1,41 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/edac/xlnx,zynqmp-ocmc.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Xilinx Zynqmp OCM EDAC driver
>
> s/EDAC driver//
> Is it a memory controller?
This driver is about Error Detection and Correction feature for OCM (On Chip
Memory) controller which supports ECC functionality.
>
> > +
> > +maintainers:
> > + - Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxx>
> > + - Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx>
> > +
> > +description: |
> > + Xilinx ZynqMP OCM EDAC driver, it does reports the OCM ECC single
> > +bit errors
>
> The same. Describe the hardware, not the Linux driver or its subsystem.
I will fix in v2.
>
> > + that are corrected and double bit ecc errors that are detected by
> > + the OCM
>
> s/ecc/ECC/
I will fix in v2.
>
> > + ECC controller.
> > +
> > +properties:
> > + compatible:
> > + const: xlnx,zynqmp-ocmc-1.0
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + interrupts:
> > + maxItems: 1
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - interrupts
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > + - |
> > + memory-controller@ff960000 {
> > + compatible = "xlnx,zynqmp-ocmc-1.0";
> > + reg = <0xff960000 0x1000>;
> > + interrupts = <0 10 4>;
>
> Isn't the interrupt using common flags? If so, use proper defines.
I will fix in v2.

Regards
Sai Krishna
>
> > + };
>
>
> Best regards,
> Krzysztof