linux-kernel - [PATCH v10 1/2] dt-bindings: drm/bridge: anx7625: MIPI to DP transmitter binding

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Message-ID: <b720f7d2c5338813d31b7f715f59ca68c367d5a8.1588747998.git.xji@analogixsemi.com>
Date:   Wed, 6 May 2020 15:04:20 +0800
From:   Xin Ji <xji@...logixsemi.com>
To:     devicetree@...r.kernel.org, devel@...verdev.osuosl.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Nicolas Boichat <drinkcat@...gle.com>,
        Sam Ravnborg <sam@...nborg.org>
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 v10 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";
		enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&pio 73 GPIO_ACTIVE_HIGH>;

		ports {
			#address-cells = <1>;
			#size-cells = <0>;

			mipi2dp_bridge_in: port@0 {
				reg = <0>;
				anx7625_in: endpoint {
					remote-endpoint = <&mipi_dsi>;
				};
			};

			mipi2dp_bridge_out: port@1 {
				reg = <1>;
				anx7625_out: endpoint {
					remote-endpoint = <&panel_in>;
				};
			};
		};
	};

Signed-off-by: Xin Ji <xji@...logixsemi.com>
---
 .../bindings/display/bridge/analogix,anx7625.yaml  | 98 ++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
new file mode 100644
index 0000000..6e54176
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 Analogix Semiconductor, Inc.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/display/bridge/analogix,anx7625.yaml#"
+$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
+
+  interrupts:
+    description: used for interrupt pin B8.
+    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
+
+  ports:
+    type: object
+
+    properties:
+      port@0:
+        type: object
+        description:
+          Video port for MIPI DSI input.
+
+      port@1:
+        type: object
+        description:
+          Video port for panel or connector.
+
+    required:
+        - port@0
+        - port@1
+
+required:
+  - compatible
+  - reg
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        anx7625_bridge: encoder@58 {
+            compatible = "analogix,anx7625";
+            reg = <0x58>;
+            enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>;
+            reset-gpios = <&pio 73 GPIO_ACTIVE_HIGH>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                mipi2dp_bridge_in: port@0 {
+                    reg = <0>;
+                    anx7625_in: endpoint {
+                        remote-endpoint = <&mipi_dsi>;
+                    };
+                };
+
+                mipi2dp_bridge_out: port@1 {
+                    reg = <1>;
+                    anx7625_out: endpoint {
+                        remote-endpoint = <&panel_in>;
+                    };
+                };
+            };
+        };
+    };
-- 
2.7.4