Re: [PATCH 1/2] dt-bindings: Create DT bindings for [PS]ATA controllers

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Hello!

On 12/31/2019 08:24 PM, Linus Walleij wrote:

> I need to create subnodes for drives connected to PATA
> or SATA host controllers, and this needs to be supported
> generally, so create a common YAML binding for
> "pata-controller" or "sata-controller" that will support
> subnodes with drives.
> 
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> ---
>  .../bindings/ata/pata-sata-common.yaml        | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/ata/pata-sata-common.yaml
> 
> diff --git a/Documentation/devicetree/bindings/ata/pata-sata-common.yaml b/Documentation/devicetree/bindings/ata/pata-sata-common.yaml
> new file mode 100644
> index 000000000000..d94aa20a29e3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ata/pata-sata-common.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/ata/pata-sata-common.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Common Properties for Parallel and Serial AT attachment controllers
> +
> +maintainers:
> +  - Linus Walleij <linus.walleij@xxxxxxxxxx>
> +
> +description: |
> +  This document defines device tree properties common to most Parallel
> +  (PATA) and Serial (SATA) AT attachment storage devices. It doesn't
> +  constitue a device tree binding specification by itself but is meant to
> +  be referenced by device tree bindings.
> +
> +  The PATA/SATA controller device tree bindings are responsible for
> +  defining whether each property is required or optional.
> +
> +properties:
> +  $nodename:
> +    pattern: "^[ps]ata-controller(@.*)?$"

   I thought the DT spec has long ago standardized the node name as "ide" and "sata"?

> +    description:
> +      Specifies the host controller node.
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
[...]

MBR, Sergei



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