linux-kernel - [PATCH v1 1/2] dt-bindings: drm/bridge: anx7625: MIPI to DP transmitter binding

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Message-ID: <8415b5229354359732052f6ba7ae9ce063c34983.1569229197.git.xji@analogixsemi.com>
Date:   Mon, 23 Sep 2019 09:07:10 +0000
From:   Xin Ji <xji@...logixsemi.com>
To:     "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Andrzej Hajda <a.hajda@...sung.com>
CC:     Neil Armstrong <narmstrong@...libre.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        Sheng Pan <span@...logixsemi.com>
Subject: [PATCH v1 1/2] dt-bindings: drm/bridge: anx7625: MIPI to DP
 transmitter binding

The ANX7625 is an ultra-low power 4K Mobile HD Transmitter designed
for portable device. It converts MIPI to DisplayPort 1.3 4K.

You can add support to your board with binding.

Example:
	anx_bridge: anx7625@58 {
		compatible = "analogix,anx7625";
		reg = <0x58>;
		low-power-mode = <1>;
		enable-gpios = <&gpio0 45 GPIO_ACTIVE_LOW>;
		reset-gpios = <&gpio0 73 GPIO_ACTIVE_LOW>;
		status = "okay";
		port@0 {
			reg = <0>;
			anx7625_1_in: endpoint {
				remote-endpoint = <&mipi_dsi_bridge_1>;
			};
		};
	};

Signed-off-by: Xin Ji <xji@...logixsemi.com>
---
 .../bindings/display/bridge/anx7625.yaml           | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/anx7625.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/anx7625.yaml
new file mode 100644
index 0000000..2991039
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/anx7625.yaml
@@ -0,0 +1,84 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 Analogix Semiconductor, Inc.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/display/bridge/anx7625.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Analogix ANX7625 SlimPort (4K Mobile HD Transmitter)
+
+maintainers:
+  - Xin Ji <xji@...logixsemi.com>
+
+description: |
+  The ANX7625 is an ultra-low power 4K Mobile HD Transmitter
+  designed for portable devices.
+
+properties:
+  compatible:
+    items:
+      - const: analogix,anx7625
+
+  reg:
+    maxItems: 1
+
+  low-power-mode:
+    description: Low power mode support feature
+    maxItems: 1
+
+  hpd-gpios:
+    description: used for HPD interrupt
+    maxItems: 1
+
+  enable-gpios:
+    description: used for power on chip control
+    maxItems: 1
+
+  reset-gpios:
+    description: used for reset chip control
+    maxItems: 1
+
+  port@0:
+    type: object
+    description:
+      A port node pointing to MIPI DSI host port node.
+
+  port@1:
+    type: object
+    description:
+      A port node pointing to MIPI DPI host port node.
+
+  port@2:
+    type: object
+    description:
+      A port node pointing to external connector port node.
+
+  port@3:
+    type: object
+    description:
+      A port node pointing to internal panel port node.
+
+  port@4:
+    type: object
+    description:
+      A port node pointing to normal eDP port node.
+
+required:
+  - compatible
+  - reg
+  - port@0 | port@1
+
+example:
+  - |
+    anx_bridge: anx7625@58 {
+        compatible = "analogix,anx7625";
+        reg = <0x58>;
+        low-power-mode = <0>;
+        status = "okay";
+        port@0 {
+          reg = <0>;
+          anx7625_1_in: endpoint {
+            remote-endpoint = <&mipi_dsi_bridge_1>;
+          };
+        };
+    };
-- 
2.7.4