linux-kernel - Re: [PATCH 1/4] dt-bindings: arm: Initial MStar vendor prefixes and compatible strings

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Date:   Wed, 23 Oct 2019 15:02:28 -0500
From:   Rob Herring <robh@...nel.org>
To:     Daniel Palmer <daniel@...f.com>
Cc:     Daniel Palmer <daniel@...ngy.jp>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Maxime Ripard <mripard@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Icenowy Zheng <icenowy@...c.io>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Paul Burton <paul.burton@...s.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Doug Anderson <armlinux@...isordat.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Stefan Agner <stefan@...er.ch>,
        Nicolas Pitre <nico@...xnic.net>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Sugaya Taichi <sugaya.taichi@...ionext.com>,
        Nathan Huckleberry <nhuck15@...il.com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] dt-bindings: arm: Initial MStar vendor prefixes and
 compatible strings

On Mon, Oct 14, 2019 at 03:15:56PM +0900, Daniel Palmer wrote:
> This adds a prefix for MStar and thingy.jp and then defines compatible
> strings for the first MStar based board.
> 
> Signed-off-by: Daniel Palmer <daniel@...f.com>
> ---
>  .../devicetree/bindings/arm/mstar.yaml        | 22 +++++++++++++++++++
>  .../devicetree/bindings/vendor-prefixes.yaml  |  4 ++++
>  MAINTAINERS                                   |  6 +++++
>  3 files changed, 32 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/mstar.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/mstar.yaml b/Documentation/devicetree/bindings/arm/mstar.yaml
> new file mode 100644
> index 000000000000..0ea5b2b9387f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/mstar.yaml
> @@ -0,0 +1,22 @@
> +# SPDX-License-Identifier: (GPL-2.0+ OR X11)

(GPL-2.0-only OR BSD-2-Clause) is preferred. Any reason to differ?

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/mstar.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MStar platforms device tree bindings
> +
> +maintainers:
> +  - Daniel Palmer <daniel@...ngy.jp>
> +
> +properties:
> +  $nodename:
> +    const: '/'
> +  compatible:
> +    oneOf:
> +

Drop the blank line.

> +      - description: thingy.jp BreadBee
> +        items:
> +          - const: thingyjp,breadbee
> +          - const: mstar,infinity
> +          - const: mstar,infinity3

infinity vs. infinity3? What's the difference? It's generally sufficient 
to just list a board compatible and a SoC compatible.

> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> index 967e78c5ec0a..1425468188da 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> @@ -617,6 +617,8 @@ patternProperties:
>      description: Microsemi Corporation
>    "^msi,.*":
>      description: Micro-Star International Co. Ltd.
> +  "^mstar,.*":
> +    description: MStar Semiconductor, Inc.
>    "^mti,.*":
>      description: Imagination Technologies Ltd. (formerly MIPS Technologies Inc.)
>    "^multi-inno,.*":
> @@ -943,6 +945,8 @@ patternProperties:
>      description: Three Five Corp
>    "^thine,.*":
>      description: THine Electronics, Inc.
> +  "^thingyjp,.*":
> +    description: thingy.jp
>    "^ti,.*":
>      description: Texas Instruments
>    "^tianma,.*":
> diff --git a/MAINTAINERS b/MAINTAINERS
> index a69e6db80c79..8b7913c13f9a 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1981,6 +1981,12 @@ L:	linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
>  F:	arch/arm/mach-pxa/mioa701.c
>  S:	Maintained
>  
> +ARM/MStar SoC support
> +M:	Daniel Palmer <daniel@...ngy.jp>
> +L:	linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
> +F:	Documentation/devicetree/bindings/arm/mstar.yaml
> +S:	Maintained
> +
>  ARM/NEC MOBILEPRO 900/c MACHINE SUPPORT
>  M:	Michael Petchkovsky <mkpetch@...ernode.on.net>
>  S:	Maintained
> -- 
> 2.23.0
>