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Message-Id: <e495a40a0add052d4f8cdeb4a81ea7408cdccaf6.1732627815.git.Sandor.yu@nxp.com>
Date: Tue, 26 Nov 2024 22:11:48 +0800
From: Sandor Yu <Sandor.yu@....com>
To: dmitry.baryshkov@...aro.org,
andrzej.hajda@...el.com,
neil.armstrong@...aro.org,
Laurent.pinchart@...asonboard.com,
jonas@...boo.se,
jernej.skrabec@...il.com,
airlied@...il.com,
daniel@...ll.ch,
robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org,
shawnguo@...nel.org,
s.hauer@...gutronix.de,
festevam@...il.com,
vkoul@...nel.org,
dri-devel@...ts.freedesktop.org,
devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
linux-phy@...ts.infradead.org,
mripard@...nel.org
Cc: kernel@...gutronix.de,
linux-imx@....com,
Sandor.yu@....com,
oliver.brown@....com,
alexander.stein@...tq-group.com,
sam@...nborg.org
Subject: [PATCH v19 3/8] dt-bindings: display: bridge: Add Cadence MHDP8501
Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
Signed-off-by: Sandor Yu <Sandor.yu@....com>
---
v18->v19:
- move data-lanes property to endpoint of port@1
v17->v18:
- remove lane-mapping and replace it with data-lanes
- remove r-b tag as property changed.
v16->v17:
- Add lane-mapping property
v9->v16:
*No change
.../display/bridge/cdns,mhdp8501.yaml | 120 ++++++++++++++++++
1 file changed, 120 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
new file mode 100644
index 0000000000000..24abd8447a28c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
@@ -0,0 +1,120 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp8501.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cadence MHDP8501 DP/HDMI bridge
+
+maintainers:
+ - Sandor Yu <Sandor.yu@....com>
+
+description:
+ Cadence MHDP8501 DisplayPort/HDMI interface.
+
+properties:
+ compatible:
+ enum:
+ - fsl,imx8mq-mhdp8501
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description: MHDP8501 DP/HDMI APB clock.
+
+ phys:
+ maxItems: 1
+ description:
+ phandle to the DP/HDMI PHY
+
+ interrupts:
+ items:
+ - description: Hotplug cable plugin.
+ - description: Hotplug cable plugout.
+
+ interrupt-names:
+ items:
+ - const: plug_in
+ - const: plug_out
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Input port from display controller output.
+
+ port@1:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Output port to DisplayPort or HDMI connector.
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ data-lanes:
+ $ref: /schemas/media/video-interfaces.yaml#/properties/data-lanes
+ minItems: 4
+ maxItems: 4
+ description: Lane reordering for HDMI or DisplayPort interface.
+ required:
+ - data-lanes
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+ - interrupt-names
+ - phys
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mq-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ mhdp: display-bridge@...00000 {
+ compatible = "fsl,imx8mq-mhdp8501";
+ reg = <0x32c00000 0x100000>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "plug_in", "plug_out";
+ clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>;
+ phys = <&mdhp_phy>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ mhdp_in: endpoint {
+ remote-endpoint = <&dcss_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ mhdp_out: endpoint {
+ remote-endpoint = <&dp_connector>;
+ data-lanes = <2 1 0 3>;
+ };
+ };
+ };
+ };
--
2.34.1
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