linux-kernel - [PATCH v7 1/2] dt-bindings: drm/bridge: anx7625: MIPI to DP transmitter binding

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Date:   Tue, 25 Feb 2020 14:14:03 +0800
From:   Xin Ji <xji@...logixsemi.com>
To:     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>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Nicolas Boichat <drinkcat@...omium.org>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Pi-Hsun Shih <pihsun@...omium.org>,
        Sheng Pan <span@...logixsemi.com>
Subject: [PATCH v7 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:
	anx7625_bridge: encoder@58 {
		compatible = "analogix,anx7625";
		reg = <0x58>;
		status = "okay";
		panel-flags = <1>;
		enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&pio 73 GPIO_ACTIVE_HIGH>;
		#address-cells = <1>;
		#size-cells = <0>;

		port@0 {
		  reg = <0>;
		  anx_1_in: endpoint {
		    remote-endpoint = <&mipi_dsi>;
		  };
		};

		port@2 {
		  reg = <2>;
		  anx_1_out: endpoint {
		    remote-endpoint = <&panel_in>;
		  };
		};
	};

Signed-off-by: Xin Ji <xji@...logixsemi.com>
---
 .../bindings/display/bridge/anx7625.yaml           | 91 ++++++++++++++++++++++
 1 file changed, 91 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..1149ebb
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/anx7625.yaml
@@ -0,0 +1,91 @@
+# 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:
+  "#address-cells": true
+  "#size-cells": true
+
+  compatible:
+    items:
+      - const: analogix,anx7625
+
+  reg:
+    maxItems: 1
+
+  panel-flags:
+    description: indicate the panel is internal or external.
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  enable-gpios:
+    description: used for power on chip control, POWER_EN pin D2.
+    maxItems: 1
+
+  reset-gpios:
+    description: used for reset chip control, RESET_N pin B7.
+    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 panel port node.
+
+required:
+  - "#address-cells"
+  - "#size-cells"
+  - compatible
+  - reg
+  - port@0
+  - port@2
+
+example:
+  - |
+    anx7625_bridge: encoder@58 {
+        compatible = "analogix,anx7625";
+        reg = <0x58>;
+        status = "okay";
+        panel-flags = <1>;
+        enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>;
+        reset-gpios = <&pio 73 GPIO_ACTIVE_HIGH>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        port@0 {
+          reg = <0>;
+          anx_1_in: endpoint {
+            remote-endpoint = <&mipi_dsi>;
+          };
+        };
+
+        port@2 {
+          reg = <2>;
+          anx_1_out: endpoint {
+            remote-endpoint = <&panel_in>;
+          };
+        };
+    };
-- 
2.7.4