Re: [PATCH v1 3/3] dt-bindings: mfd: sophgo: add misc MFD for Sophgo CV1800 series SoC.

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On Thu, Jan 4, 2024 at 4:36 PM Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> wrote:
>
> On 29/12/2023 10:06, Jingbao Qiu wrote:
> > Add devicetree binding to describe the MFD for Sophgo CV1800 SoC.
>
> SoC does not have MFDs. We already talked about this.

I'm sorry for that. I will fix the comment.

>
> >
> > Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@xxxxxxxxx>
> > ---
> > This patch depends on the clk driver
> > Clk driver link:
> > https://lore.kernel.org/all/IA1PR20MB49539CDAD9A268CBF6CA184BBB9FA@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/
>
> How? Really, explain me how this depends on driver? Because if it does,
> then it is clear NAK as binding cannot depend on driver.

I will fix it.

>
> Wait, this is v4, not v1!
>
> Include full changelog.
>
> So you just ignored all the comments? NAK.

Thanks,I will  keep consistent versioning and changelogs.

>
> >
> >  .../bindings/mfd/sophgo,cv1800-misc.yaml      | 69 +++++++++++++++++++
> >  1 file changed, 69 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/mfd/sophgo,cv1800-misc.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/mfd/sophgo,cv1800-misc.yaml b/Documentation/devicetree/bindings/mfd/sophgo,cv1800-misc.yaml
> > new file mode 100644
> > index 000000000000..6fd574a2a945
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mfd/sophgo,cv1800-misc.yaml
> > @@ -0,0 +1,69 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/mfd/sophgo,cv1800-misc.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Sophgo CV1800 SoC MISC hardware block
> > +
> > +maintainers:
> > +  - Jingbao Qiu <qiujingbao.dlmu@xxxxxxxxx>
> > +
> > +description:
> > +  This hardware block is an independently powered module within
> > +  the CV1800 SoC. This hardware block contains RTC, Power-On-Reset/POR.
> > +
> > +properties:
> > +  compatible:
> > +    items:
> > +      - const: sophgo,cv1800-misc
> > +      - const: syscon
> > +      - const: simple-mfd
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  rtc:
> > +    # Child node
>
> Drop, it's obvious.

I will do that.

>
> > +    $ref: /schemas/rtc/sophgo,cv1800-rtc.yaml
> > +    type: object
> > +    description:
> > +      RTC for the SoC. This child node definition
> > +      should follow the bindings specified in
> > +      Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml.
> > +
> > +  por:
> > +    # Child node
>
> Drop

I will do that.

>
> > +    $ref: /schemas/power/sophgo,cv1800-por.yaml
> > +    type: object
> > +    description:
> > +      Power-On-Reset/POR for the SoC. This child node definition
> > +      should follow the bindings specified in
> > +      Documentation/devicetree/bindings/power/sophgo,cv1800-por.yaml.
>
> You do not have any resources, so no need for this child.

I will do that.

>
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - rtc
> > +  - por
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/interrupt-controller/irq.h>
> > +
> > +    misc@5025000 {
>
>
> misc can be anything.

Actually, there are RTC and (Power On Reset/POR) here. I can't find a suitable
word to describe him. Can you give me some advice?

Best regards,
Jingbao Qiu
>
> > +      compatible = "sophgo,cv1800-misc", "syscon", "simple-mfd";
> > +      reg = <0x05025000 0x2000>;
> > +
> > +      rtc  {
> > +        compatible = "sophgo,cv1800-rtc";
> > +        interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
> > +        clocks = <&clk 15>;
> > +      };
> > +
> > +      por  {
> > +        compatible = "sophgo,cv1800-por";
> > +      };
> > +    };
>
> Best regards,
> Krzysztof
>





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