linux-kernel - Re: [PATCH v4 1/2] dt-bindings: mtd: Add YAML for Nand Flash Controller support

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Message-ID: <20200429173446.6682dfb8@collabora.com>
Date:   Wed, 29 Apr 2020 17:34:46 +0200
From:   Boris Brezillon <boris.brezillon@...labora.com>
To:     "Ramuthevar,Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        devicetree@...r.kernel.org, miquel.raynal@...tlin.com,
        richard@....at, vigneshr@...com, arnd@...db.de,
        brendanhiggins@...gle.com, tglx@...utronix.de,
        anders.roxell@...aro.org, masonccyang@...c.com.tw,
        robh+dt@...nel.org, linux-mips@...r.kernel.org,
        hauke.mehrtens@...el.com, andriy.shevchenko@...el.com,
        qi-ming.wu@...el.com, cheol.yong.kim@...el.com
Subject: Re: [PATCH v4 1/2] dt-bindings: mtd: Add YAML for Nand Flash
 Controller support

On Wed, 29 Apr 2020 18:42:04 +0800
"Ramuthevar,Vadivel MuruganX"
<vadivel.muruganx.ramuthevar@...ux.intel.com> wrote:

> From: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
> 
> Add YAML file for dt-bindings to support NAND Flash Controller
> on Intel's Lightning Mountain SoC.
> 
> Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
> ---
>  .../devicetree/bindings/mtd/intel,lgm-nand.yaml    | 61 ++++++++++++++++++++++
>  1 file changed, 61 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..6dd899d367b4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/intel,lgm-nand.yaml
> @@ -0,0 +1,61 @@
> +# 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:
> +  - $ref: "nand-controller.yaml"
> +
> +maintainers:
> +  - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
> +
> +properties:
> +  compatible:
> +    const: intel,lgm-nand-controller
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  dmas:
> +    maxItems: 2
> +
> +  dma-names:
> +    enum:
> +      - rx
> +      - tx
> +
> +  pinctrl-names: true
> +
> +patternProperties:
> +  "^pinctrl-[0-9]+$": true
> +
> +  "^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
> +
> +...

Can you provide an example? I'd like to make sure the binding looks
good.