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Date:   Tue, 6 Oct 2020 17:00:14 -0500
From:   Rob Herring <robh@kernel.org>
To:     Bogdan Togorean <bogdan.togorean@analog.com>
Cc:     dri-devel@lists.freedesktop.org, David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        Alexandru Ardelean <alexandru.ardelean@analog.com>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Mike Looijmans <mike.looijmans@topic.nl>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] drm: dt-bindings: adi: axi-hdmi-tx: Add DT bindings
 for axi-hdmi-tx
Message-ID: <20201006220014.GA2920793@bogus>
References: <20201005141226.180655-1-bogdan.togorean@analog.com>
 <20201005141226.180655-2-bogdan.togorean@analog.com>
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In-Reply-To: <20201005141226.180655-2-bogdan.togorean@analog.com>
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On Mon, Oct 05, 2020 at 05:12:09PM +0300, Bogdan Togorean wrote:
> Add YAML device tree bindings for Analog Devices Inc. AXI HDMI TX
> IP core DRM driver.
> 
> Signed-off-by: Bogdan Togorean <bogdan.togorean@analog.com>
> ---
>  .../bindings/gpu/adi,axi-hdmi-tx.yaml         | 70 +++++++++++++++++++

Not a GPU? Goes in .../bindings/display/

>  1 file changed, 70 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpu/adi,axi-hdmi-tx.yaml
> 
> diff --git a/Documentation/devicetree/bindings/gpu/adi,axi-hdmi-tx.yaml b/Documentation/devicetree/bindings/gpu/adi,axi-hdmi-tx.yaml
> new file mode 100644
> index 000000000000..ab7e71d14d1d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpu/adi,axi-hdmi-tx.yaml
> @@ -0,0 +1,70 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/gpu/adi,axi-hdmi-tx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AXI HDMI TX HDL core
> +
> +maintainers:
> +  - Bogdan Togorean <bogdan.togorean@analog.com>
> +
> +description: |
> +  The AXI HDMI HDL driver is the driver for the HDL graphics core which
> +  is used on various FPGA designs. It's mostly used to interface with
> +  the ADV7511 driver on some Zynq boards (e.g. ZC702 & ZedBoard).
> +
> +properties:
> +  compatible:
> +    const: adi,axi-hdmi-tx-1.00.a
> +
> +  reg:
> +    maxItems: 1
> +
> +  dmas:
> +    items:
> +      - description: phandle to AXIS DMA controller
> +    maxItems: 1
> +
> +  dma-names:
> +    items:
> +      - const: video
> +
> +  clocks:
> +    maxItems: 1
> +    description: phandle to the pixel clock
> +
> +  adi,is-rgb:
> +    type: boolean
> +    description: control color space conversion
> +
> +  port:
> +    type: object
> +    description: |
> +      Port as described in Documentation/devicetree/bindings/graph.txt.
> +      Remote output connection to ADV7511 driver

The exact device it's connected to is outside the scope of this binding.

> +
> +required:
> +  - compatible
> +  - reg
> +  - dmas
> +  - dma-names
> +  - clocks
> +  - port

additionalProperties: false

> +
> +examples:
> +  - |
> +    axi_hdmi_tx: axi_hdmi@70e00000 {
> +            compatible = "adi,axi-hdmi-tx-1.00.a";
> +            reg = <0x70e00000 0x10000>;
> +            dmas = <&hdmi_dma 0>;
> +            dma-names = "video";
> +            clocks = <&hdmi_clock>;
> +
> +            port {
> +                    axi_hdmi_out: endpoint {
> +                            remote-endpoint = <&zynq_hdmi_in>;
> +                    };
> +            };
> +    };
> +...
> -- 
> 2.28.0
>