Re: [PATCH v5 1/2] dt-bindings: mtd: Add YAML for Nand Flash Controller support

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On Thu, May 07, 2020 at 08:15:36AM +0800, Ramuthevar,Vadivel MuruganX wrote:
> From: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx>
> 
> Add YAML file for dt-bindings to support NAND Flash Controller
> on Intel's Lightning Mountain SoC.

The $subject should some how reflect this is for this SoC.

> 
> Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/mtd/intel,lgm-nand.yaml    | 85 ++++++++++++++++++++++
>  1 file changed, 85 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml b/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
> new file mode 100644
> index 000000000000..69b592ae62f4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
> @@ -0,0 +1,85 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mtd/intel,lgm-nand.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Intel LGM SoC NAND Controller Device Tree Bindings
> +
> +allOf:
> +  - $ref: "nand-controller.yaml"
> +
> +maintainers:
> +  - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx>
> +
> +properties:
> +  compatible:
> +    const: intel,lgm-nand-controller
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  dmas:
> +    maxItems: 2
> +
> +  dma-names:
> +    enum:
> +      - rx
> +      - tx
> +
> +  pinctrl-names: true
> +
> +patternProperties:
> +  "^pinctrl-[0-9]+$": true

Don't need the pinctrl properties. The tooling adds them.

> +
> +  "^nand@[a-f0-9]+$":
> +    type: object
> +    properties:
> +      reg:
> +        minimum: 0
> +        maximum: 7
> +
> +      nand-ecc-mode: true
> +
> +      nand-ecc-algo:
> +        const: hw
> +
> +    additionalProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - dmas
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/intel,lgm-clk.h>

Is this applied somewhere? It's missing in my check and will break the 
build.

> +    nand-controller@e0f00000 {
> +      compatible = "intel,nand-controller";
> +      reg = <0xe0f00000 0x100>,
> +            <0xe1000000 0x300>,
> +            <0xe1400000 0x8000>,
> +            <0xe1c00000 0x1000>;
> +      reg-names = "ebunand", "hsnand", "nand_cs0", "nand_cs1";
> +      clocks = <&cgu0 LGM_GCLK_EBU>;
> +      dma-names = "tx", "rx";
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +      #clock-cells = <1>;
> +
> +      nand@0 {
> +        reg = <0>;
> +        nand-on-flash-bbt;
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +      };
> +    };
> +
> +...
> -- 
> 2.11.0
> 

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