linux-kernel - [PATCH v5 05/10] dt-bindings: display: bridge: Add MHDP HDMI for i.MX8MQ

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Message-Id: <ee28481b28a8a38109b109956e9502221b5c97b3.1669620155.git.Sandor.yu@nxp.com>
Date:   Mon, 28 Nov 2022 15:36:13 +0800
From:   Sandor Yu <Sandor.yu@....com>
To:     andrzej.hajda@...el.com, neil.armstrong@...aro.org,
        robert.foss@...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
Cc:     kernel@...gutronix.de, linux-imx@....com, Sandor.yu@....com,
        oliver.brown@....com
Subject: [PATCH v5 05/10] dt-bindings: display: bridge: Add MHDP HDMI for i.MX8MQ

Add bindings for i.MX8MQ MHDP HDMI.

Signed-off-by: Sandor Yu <Sandor.yu@....com>
---
 .../display/bridge/cdns,mhdp-imx8mq-hdmi.yaml | 102 ++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
new file mode 100644
index 000000000000..cca6954a84ff
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
@@ -0,0 +1,102 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cadence MHDP HDMI bridge
+
+maintainers:
+  - Sandor Yu <Sandor.yu@....com>
+
+description:
+  The Cadence MHDP TX HDMI interface.
+
+properties:
+  compatible:
+    enum:
+      - cdns,mhdp-imx8mq-hdmi
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+    description: MHDP HDMI APB clock.
+
+  phys:
+    maxItems: 1
+
+  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#/properties/port
+        description:
+          Output port to HDMI connector.
+
+    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_hdmi: hdmi-bridge@...00000 {
+        compatible = "cdns,mhdp-imx8mq-hdmi";
+        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 = <&hdmi_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 = <&hdmi_con>;
+                };
+            };
+        };
+    };
-- 
2.34.1