linux-kernel - Re: [PATCH 01/11] dt-bindings: add a binding document for MediaTek PERICFG controller

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Message-ID: <20200513023855.GA23714@bogus>
Date:   Tue, 12 May 2020 21:38:55 -0500
From:   Rob Herring <robh@...nel.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Felix Fietkau <nbd@...nwrt.org>,
        John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Fabien Parent <fparent@...libre.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 01/11] dt-bindings: add a binding document for MediaTek
 PERICFG controller

On Tue, May 05, 2020 at 04:02:21PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> 
> This adds a binding document for the PERICFG controller present on
> MediaTek SoCs. For now the only variant supported is 'mt8516-pericfg'.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> ---
>  .../arm/mediatek/mediatek,pericfg.yaml        | 34 +++++++++++++++++++
>  1 file changed, 34 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml
> new file mode 100644
> index 000000000000..74b2a6173ffb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml
> @@ -0,0 +1,34 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,pericfg.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: MediaTek Peripheral Configuration Controller
> +
> +maintainers:
> +  - Bartosz Golaszewski <bgolaszewski@...libre.com>
> +
> +properties:
> +  compatible:
> +    oneOf:

Don't need oneOf.

> +      - items:
> +        - enum:
> +          - mediatek,pericfg

PERICFG is exactly the same register set and functions on all Mediatek 
SoCs? Needs to be more specific.

> +        - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    pericfg: pericfg@...03050 {
> +        compatible = "mediatek,mt8516-pericfg", "syscon";
> +        reg = <0 0x10003050 0 0x1000>;

Default for examples is 1 cell for addr and size.

> +    };
> -- 
> 2.25.0
>