linux-kernel - [v2 05/10] dts-bindings: display: bridge: Add MHDP DP bindings for i.MX8MQ

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Message-Id: <aa8e5153d0ad12a2039ce44039f9ecf39e4a39d0.1667463263.git.Sandor.yu@nxp.com>
Date:   Fri,  4 Nov 2022 14:44:55 +0800
From:   Sandor Yu <Sandor.yu@....com>
To:     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, andrzej.hajda@...el.com,
        neil.armstrong@...aro.org, robert.foss@...aro.org,
        Laurent.pinchart@...asonboard.com, jonas@...boo.se,
        jernej.skrabec@...il.com, kishon@...com, vkoul@...nel.org
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        linux-imx@....com, tzimmermann@...e.de, lyude@...hat.com,
        Sandor.yu@....com, javierm@...hat.com,
        ville.syrjala@...ux.intel.com, sam@...nborg.org,
        jani.nikula@...el.com, maxime@...no.tech,
        penguin-kernel@...ove.SAKURA.ne.jp, p.yadav@...com,
        oliver.brown@....com
Subject: [v2 05/10] dts-bindings: display: bridge: Add MHDP DP bindings for i.MX8MQ

Add bindings for i.MX8MQ MHDP DisplayPort.

Signed-off-by: Sandor Yu <Sandor.yu@....com>
---
 .../display/bridge/cdns,mhdp-imx8mq-dp.yaml   | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
new file mode 100644
index 000000000000..06ed881247ea
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-dp.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Cadence MHDP Displayport bridge
+
+maintainers:
+  - Sandor Yu <Sandor.yu@....com>
+
+description:
+  The Cadence MHDP Displayport TX interface.
+
+properties:
+  compatible:
+    enum:
+      - cdns,mhdp-imx8mq-dp
+
+  reg:
+    items:
+      - description:
+          Memory mapped base address and length of mhdptx apb registers.
+
+  phys:
+    description:
+      phandle to the Displayport PHY.
+
+  phy-names:
+    items:
+      - const: dpphy
+
+  interrupts:
+    items:
+      - description: Hotplug detect interrupter for cable plugin event.
+      - description: Hotplug detect interrupter for cable plugout event.
+
+  interrupt-names:
+    items:
+      - const: plug_in
+      - const: plug_out
+
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    description:
+      A port node pointing to the output port of a display controller..
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    mhdp: mhdp@...00000 {
+        compatible = "cdns,mhdp-imx8mq-dp";
+        reg = <0x32c00000 0x100000>;
+        interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+                <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "plug_in", "plug_out";
+        phys = <&dp_phy>;
+        phy-names = "dpphy";
+
+        port {
+            hdmi_in: endpoint {
+                remote-endpoint = <&dcss_out>;
+            };
+        };
+    };
-- 
2.34.1