From: Rob Herring <robh@kernel.org>
To: Damian Kos <dkos@cadence.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org,
David Airlie <airlied@linux.ie>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
pgaj@cadence.com,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
stelford@cadence.com, ltyrala@cadence.com,
linux-arm-kernel@lists.infradead.org,
Quentin Schulz <quentin.schulz@bootlin.com>
Subject: Re: [PATCH v2 4/5] dt-bindings: drm/bridge Document Cadence MHDP DPI/DP bridge bindings
Date: Wed, 25 Jul 2018 11:43:30 -0600 [thread overview]
Message-ID: <20180725174330.GA31540@rob-hp-laptop> (raw)
In-Reply-To: <1532430824-23477-5-git-send-email-dkos@cadence.com>
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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next prev parent reply other threads:[~2018-07-25 17:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-24 11:13 [PATCH v2 0/5] drm: add support for Cadence MHDP DPI/DP bridge Damian Kos
2018-07-24 11:13 ` [PATCH v2 1/5] drm/rockchip: moved cdns mhdp dpi/dp bridge low driver to a new location Damian Kos
2018-07-24 11:13 ` [PATCH v2 2/5] drm/dp: fix link probing for devices supporting DP 1.4+ Damian Kos
2018-07-24 11:13 ` [PATCH v2 3/5] drm/dp: make dp_link_status and dp_get_lane_status usable from outside of the core Damian Kos
2018-07-24 11:13 ` [PATCH v2 4/5] dt-bindings: drm/bridge Document Cadence MHDP DPI/DP bridge bindings Damian Kos
2018-07-25 17:43 ` Rob Herring [this message]
2018-07-24 11:13 ` [PATCH v2 5/5] drm/bridge: add preliminary driver for cadence dpi/dp bridge Damian Kos
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