Re: [PATCH v6 1/4] dt-bindings: nvmem: convert mtk-efuse.txt to YAML schema

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Hi Matthias,

On Fri, 2022-06-17 at 12:41 -0700, Srinivas Kandagatla wrote:
> 
> On 17/06/2022 02:31, Chunfeng Yun wrote:
> > Convert mtk-efuse.txt to YAML schema mediatek,efuse.yaml
> > 
> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
> > ---
> 
> Applied 1/4 and 2/4, dts patches need to go via SoC maintainer.
Could you please help to pick up 3/4, 4/4?

thanks

> 
> 
> thanks,
> -srini
> 
> 
> > v6: no changes, based on kernel 5.19-rc1
> > 
> > v5:
> > sync with the series:
> > 
https://patchwork.kernel.org/project/linux-mediatek/list/?series=640196
> >     1. change title suggested by Krzysztof;
> >     2. No need drop 'reviewed-by Rob' suggested by Krzysztof
> >     3. add maintainer Lala who maintain efuse driver now;
> > 
> > v4: fix duplicated unit-address in example;
> >      drop reviewed-by Rob, due to changes;
> > 
> > v3: add reviewed-by Rob
> > 
> > v2:
> >     1. remove description of subnodes which is covered by
> > nvmem.yaml
> > suggested by Rob
> >     2. change the example which is commoner than mt8173's
> > ---
> >   .../bindings/nvmem/mediatek,efuse.yaml        | 87
> > +++++++++++++++++++
> >   .../devicetree/bindings/nvmem/mtk-efuse.txt   | 43 ---------
> >   2 files changed, 87 insertions(+), 43 deletions(-)
> >   create mode 100644
> > Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml
> >   delete mode 100644 Documentation/devicetree/bindings/nvmem/mtk-
> > efuse.txt
> > 
> > diff --git
> > a/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml
> > b/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml
> > new file mode 100644
> > index 000000000000..f6e01ddb7499
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml
> > @@ -0,0 +1,87 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/nvmem/mediatek,efuse.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: MediaTek efuse
> > +
> > +description: |
> > +  MediaTek's efuse is used for storing calibration data, it can be
> > accessed
> > +  on ARM devices usiong I/O mapped memory.
> > +
> > +maintainers:
> > +  - Andrew-CT Chen <andrew-ct.chen@xxxxxxxxxxxx>
> > +  - Lala Lin <lala.lin@xxxxxxxxxxxx>
> > +
> > +allOf:
> > +  - $ref: "nvmem.yaml#"
> > +
> > +properties:
> > +  $nodename:
> > +    pattern: "^efuse@[0-9a-f]+$"
> > +
> > +  compatible:
> > +    oneOf:
> > +      - items:
> > +          - enum:
> > +              - mediatek,mt7622-efuse
> > +              - mediatek,mt7623-efuse
> > +              - mediatek,mt8173-efuse
> > +              - mediatek,mt8192-efuse
> > +              - mediatek,mt8195-efuse
> > +              - mediatek,mt8516-efuse
> > +          - const: mediatek,efuse
> > +      - const: mediatek,mt8173-efuse
> > +        deprecated: true
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    efuse@11c10000 {
> > +        compatible = "mediatek,mt8195-efuse", "mediatek,efuse";
> > +        reg = <0x11c10000 0x1000>;
> > +        #address-cells = <1>;
> > +        #size-cells = <1>;
> > +
> > +        u3_tx_imp_p0: usb3-tx-imp@184,1 {
> > +            reg = <0x184 0x1>;
> > +            bits = <0 5>;
> > +        };
> > +        u3_rx_imp_p0: usb3-rx-imp@184,2 {
> > +            reg = <0x184 0x2>;
> > +            bits = <5 5>;
> > +        };
> > +        u3_intr_p0: usb3-intr@185 {
> > +            reg = <0x185 0x1>;
> > +            bits = <2 6>;
> > +        };
> > +        comb_tx_imp_p1: usb3-tx-imp@186,1 {
> > +            reg = <0x186 0x1>;
> > +            bits = <0 5>;
> > +        };
> > +        comb_rx_imp_p1: usb3-rx-imp@186,2 {
> > +            reg = <0x186 0x2>;
> > +            bits = <5 5>;
> > +        };
> > +        comb_intr_p1: usb3-intr@187 {
> > +            reg = <0x187 0x1>;
> > +            bits = <2 6>;
> > +        };
> > +        u2_intr_p0: usb2-intr-p0@188,1 {
> > +            reg = <0x188 0x1>;
> > +            bits = <0 5>;
> > +        };
> > +        u2_intr_p1: usb2-intr-p1@188,2 {
> > +            reg = <0x188 0x2>;
> > +            bits = <5 5>;
> > +        };
> > +    };
> > diff --git a/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt
> > b/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt
> > deleted file mode 100644
> > index 39d529599444..000000000000
> > --- a/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt
> > +++ /dev/null
> > @@ -1,43 +0,0 @@
> > -= Mediatek MTK-EFUSE device tree bindings =
> > -
> > -This binding is intended to represent MTK-EFUSE which is found in
> > most Mediatek SOCs.
> > -
> > -Required properties:
> > -- compatible: should be
> > -	      "mediatek,mt7622-efuse", "mediatek,efuse": for MT7622
> > -	      "mediatek,mt7623-efuse", "mediatek,efuse": for MT7623
> > -	      "mediatek,mt8173-efuse" or "mediatek,efuse": for MT8173
> > -	      "mediatek,mt8192-efuse", "mediatek,efuse": for MT8192
> > -	      "mediatek,mt8195-efuse", "mediatek,efuse": for MT8195
> > -	      "mediatek,mt8516-efuse", "mediatek,efuse": for MT8516
> > -- reg: Should contain registers location and length
> > -- bits: contain the bits range by offset and size
> > -
> > -= Data cells =
> > -Are child nodes of MTK-EFUSE, bindings of which as described in
> > -bindings/nvmem/nvmem.txt
> > -
> > -Example:
> > -
> > -	efuse: efuse@10206000 {
> > -		compatible = "mediatek,mt8173-efuse";
> > -		reg	   = <0 0x10206000 0 0x1000>;
> > -		#address-cells = <1>;
> > -		#size-cells = <1>;
> > -
> > -		/* Data cells */
> > -		thermal_calibration: calib@528 {
> > -			reg = <0x528 0xc>;
> > -		};
> > -	};
> > -
> > -= Data consumers =
> > -Are device nodes which consume nvmem data cells.
> > -
> > -For example:
> > -
> > -	thermal {
> > -		...
> > -		nvmem-cells = <&thermal_calibration>;
> > -		nvmem-cell-names = "calibration";
> > -	};




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