linux-kernel - Re: [PATCH v3 006/105] dt-bindings: display: Convert VC4 bindings to schemas

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Date:   Wed, 27 May 2020 13:12:11 -0600
From:   Rob Herring <robh@...nel.org>
To:     Maxime Ripard <maxime@...no.tech>
Cc:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Eric Anholt <eric@...olt.net>, dri-devel@...ts.freedesktop.org,
        linux-rpi-kernel@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Tim Gover <tim.gover@...pberrypi.com>,
        Phil Elwell <phil@...pberrypi.com>, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 006/105] dt-bindings: display: Convert VC4 bindings to
 schemas

On Wed, May 27, 2020 at 05:47:36PM +0200, Maxime Ripard wrote:
> The BCM283x SoCs have a display pipeline composed of several controllers
> with device tree bindings that are supported by Linux.
> 
> Now that we have the DT validation in place, let's split into separate
> files and convert the device tree bindings for those controllers to
> schemas.
> 
> This is just a 1:1 conversion though, and some bindings were incomplete so
> it results in example validation warnings that are going to be addressed in
> the following patches.
> 
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: devicetree@...r.kernel.org
> Signed-off-by: Maxime Ripard <maxime@...no.tech>
> ---
>  Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt              | 174 +------------------------------------------------------------------------
>  Documentation/devicetree/bindings/display/brcm,bcm2835-dpi.yaml         |  66 +++++++++++++++++++++++++++-
>  Documentation/devicetree/bindings/display/brcm,bcm2835-dsi0.yaml        |  73 ++++++++++++++++++++++++++++++-
>  Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml        |  75 +++++++++++++++++++++++++++++++-
>  Documentation/devicetree/bindings/display/brcm,bcm2835-hvs.yaml         |  37 +++++++++++++++-
>  Documentation/devicetree/bindings/display/brcm,bcm2835-pixelvalve0.yaml |  40 +++++++++++++++++-
>  Documentation/devicetree/bindings/display/brcm,bcm2835-txp.yaml         |  37 +++++++++++++++-
>  Documentation/devicetree/bindings/display/brcm,bcm2835-v3d.yaml         |  42 +++++++++++++++++-
>  Documentation/devicetree/bindings/display/brcm,bcm2835-vc4.yaml         |  34 ++++++++++++++-
>  Documentation/devicetree/bindings/display/brcm,bcm2835-vec.yaml         |  44 ++++++++++++++++++-
>  MAINTAINERS                                                             |   2 +-
>  11 files changed, 449 insertions(+), 175 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
>  create mode 100644 Documentation/devicetree/bindings/display/brcm,bcm2835-dpi.yaml
>  create mode 100644 Documentation/devicetree/bindings/display/brcm,bcm2835-dsi0.yaml
>  create mode 100644 Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
>  create mode 100644 Documentation/devicetree/bindings/display/brcm,bcm2835-hvs.yaml
>  create mode 100644 Documentation/devicetree/bindings/display/brcm,bcm2835-pixelvalve0.yaml
>  create mode 100644 Documentation/devicetree/bindings/display/brcm,bcm2835-txp.yaml
>  create mode 100644 Documentation/devicetree/bindings/display/brcm,bcm2835-v3d.yaml
>  create mode 100644 Documentation/devicetree/bindings/display/brcm,bcm2835-vc4.yaml
>  create mode 100644 Documentation/devicetree/bindings/display/brcm,bcm2835-vec.yaml


> diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2835-dsi0.yaml b/Documentation/devicetree/bindings/display/brcm,bcm2835-dsi0.yaml
> new file mode 100644
> index 000000000000..3887675f844e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/brcm,bcm2835-dsi0.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/brcm,bcm2835-dsi0.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadcom VC4 (VideoCore4) DSI Controller
> +
> +maintainers:
> +  - Eric Anholt <eric@...olt.net>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - brcm,bcm2835-dsi0
> +      - brcm,bcm2835-dsi1
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: The DSI PLL clock feeding the DSI analog PHY
> +      - description: The DSI ESC clock
> +      - description: The DSI pixel clock
> +
> +  clock-output-names: true
> +    # FIXME: The meta-schemas don't seem to allow it for now
> +    # items:
> +    #   - description: The DSI byte clock for the PHY
> +    #   - description: The DSI DDR2 clock
> +    #   - description: The DSI DDR clock

Doesn't pattern work for you?

pattern: '^dsi[0-1]_byte$'

Either way,

Reviewed-by: Rob Herring <robh@...nel.org>