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Date:   Wed, 25 Jul 2018 11:43:30 -0600
From:   Rob Herring <robh@kernel.org>
To:     Damian Kos <dkos@cadence.com>
Cc:     David Airlie <airlied@linux.ie>,
        Mark Rutland <mark.rutland@arm.com>,
        Archit Taneja <architt@codeaurora.org>,
        Andrzej Hajda <a.hajda@samsung.com>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Gustavo Padovan <gustavo@padovan.org>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Sean Paul <seanpaul@chromium.org>,
        Sandy Huang <hjc@rock-chips.com>,
        Heiko =?iso-8859-1?Q?St=FCbner?= <heiko@sntech.de>,
        Quentin Schulz <quentin.schulz@bootlin.com>,
        dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org, pgaj@cadence.com,
        ltyrala@cadence.com, stelford@cadence.com
Subject: Re: [PATCH v2 4/5] dt-bindings: drm/bridge Document Cadence MHDP
 DPI/DP bridge bindings
Message-ID: <20180725174330.GA31540@rob-hp-laptop>
References: <1532430824-23477-1-git-send-email-dkos@cadence.com>
 <1532430824-23477-5-git-send-email-dkos@cadence.com>
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On Tue, Jul 24, 2018 at 12:13:35PM +0100, Damian Kos wrote:
> From: Quentin Schulz <quentin.schulz@bootlin.com>
> 
> Signed-off-by: Damian Kos <dkos@cadence.com>
> ---
>  .../bindings/display/bridge/cdns,mhdp.txt     | 43 +++++++++++++++++++
>  1 file changed, 43 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt
> new file mode 100644
> index 000000000000..dc7be7590048
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt
> @@ -0,0 +1,43 @@
> +Cadence MHDP bridge
> +==========================
> +
> +The Cadence MHDP bridge is a DPI to DP bridge.
> +
> +Required properties:
> +- compatible: should be "cdns,mhdp8546",
> +- reg: physical base address and length of the controller's registers,
> +- clocks: DP bridge clock, it's used by the IP to know how to translate
> +	a number of clock cycles into a time (which is used to comply
> +	with DP standard timings and delays),
> +
> +Required subnodes:
> +- ports: Ports as described in Documentation/devictree/bindings/graph.txt
> +	Port 0 - input port representing the VGA bridge input
> +	Port 1 - output port representing the VGA bridge output

VGA?

> +
> +Example:
> +
> +	mhdp: dp-bridge@f0fb000000 {
> +		compatible = "cdns,mhdp8546";
> +		reg = <0xf0 0xfb000000 0x0 0x1000000>;
> +		clocks = <&mhdp_clock>;
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +				vga_bridge_input: endpoint {
> +					remote-endpoint = <&xxx_dpi_output>;
> +				};
> +			};
> +
> +			port@1 {
> +				reg = <1>;
> +				vga_bridge_output: endpoint {
> +					remote-endpoint = <&xxx_vga_connector_input>;

vga?

> +				};
> +			};
> +		};
> +	};
> -- 
> 2.17.1
> 
> --
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