Re: [PATCH v2 1/2] dt-bindings: thermal: sprd: Add the Spreadtrum thermal documentation

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Hi Rob,

On Fri, Dec 20, 2019 at 4:12 AM Rob Herring <robh@xxxxxxxxxx> wrote:
>
> On Tue, Dec 10, 2019 at 08:07:17PM +0800, Baolin Wang wrote:
> > From: Baolin Wang <baolin.wang@xxxxxxxxxx>
> >
> > Add the Spreadtrum thermal documentation.
> >
> > Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxx>
> > Signed-off-by: Baolin Wang <baolin.wang7@xxxxxxxxx>
> > ---
> > Changes from v1:
> >  - Change to yaml format.
> > ---
> >  .../devicetree/bindings/thermal/sprd-thermal.yaml  |   97 ++++++++++++++++++++
> >  1 file changed, 97 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/thermal/sprd-thermal.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/thermal/sprd-thermal.yaml b/Documentation/devicetree/bindings/thermal/sprd-thermal.yaml
> > new file mode 100644
> > index 0000000..92d208a
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/thermal/sprd-thermal.yaml
> > @@ -0,0 +1,97 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/thermal/sprd-thermal.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Spreadtrum thermal sensor controller bindings
> > +
> > +maintainers:
> > +  - Orson Zhai <orsonzhai@xxxxxxxxx>
> > +  - Baolin Wang <baolin.wang7@xxxxxxxxx>
> > +  - Chunyan Zhang <zhang.lyra@xxxxxxxxx>
> > +
> > +properties:
> > +  compatible:
> > +    const: sprd,ums512-thermal
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    maxItems: 1
> > +
> > +  clock-names:
> > +    items:
> > +      - const: enable
> > +
> > +  nvmem-cells:
> > +    maxItems: 2
> > +    description:
> > +      Reference to nvmem nodes for the calibration data.
> > +
> > +  nvmem-cells-names:
> > +    maxItems: 2
> > +    items:
> > +      - const: thm_sign_cal
> > +      - const: thm_ratio_cal
> > +
> > +  "#thermal-sensor-cells":
> > +    const: 1
> > +
> > +  child-node:
>
> You need actual child node names. It can be a pattern with
> patternProperties.

Ah, okay, I misunderstood this before.

>
> Make sure 'make dt_binding_check' passes.

Sure.

>
> > +    description: Represent one thermal sensor.
> > +
> > +    properties:
> > +      reg:
> > +        description: Specify the sensor id.
> > +        maxItems: 1
> > +
> > +      nvmem-cells:
> > +        maxItems: 1
> > +        description:
> > +          Reference to an nvmem node for the calibration data.
> > +
> > +      nvmem-cells-names:
> > +        maxItems: 1
> > +        items:
> > +          - const: sen_delta_cal
>
> Can be simplified to
>
> nvmem-cells-names:
>   const: sen_delta_cal

Okay.

>
> > +
> > +    required:
> > +      - reg
> > +      - nvmem-cells
> > +      - nvmem-cells-names
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +  - clock-names
> > +  - nvmem-cells
> > +  - nvmem-cells-names
> > +  - "#thermal-sensor-cells"
> > +
> > +examples:
> > +  - |
> > +        ap_thm0: thermal@32200000 {
> > +                compatible = "sprd,ums512-thermal";
> > +                reg = <0 0x32200000 0 0x10000>;
> > +                clock-names = "enable";
> > +                clocks = <&aonapb_gate 32>;
> > +                #thermal-sensor-cells = <1>;
> > +                nvmem-cells = <&thm0_sign>, <&thm0_ratio>;
> > +                nvmem-cell-names = "thm_sign_cal", "thm_ratio_cal";
> > +
> > +                prometheus0-sensor@0 {
> > +                        reg = <0>;
>
> This should fail to build. You need #size-cells and #address-cells in
> the parent.

Yes, will fix in next version. Thanks for your comments.



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