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

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Date:   Fri, 20 Sep 2019 06:05:03 +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>;
		dsi-supported = <1>;
		dsi-channel-id = <1>;
		dsi-lanes-num = <4>;
		internal-pannel-supported = <1>;
		pon-gpios = <&gpio0 45 GPIO_ACTIVE_LOW>;
		reset-gpios = <&gpio0 73 GPIO_ACTIVE_LOW>;
		status = "okay";
		port {
			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..95fe18b
--- /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-gpios:
+    description: Low power mode support feature
+    maxItems: 1
+
+  hpd-gpios:
+    description: used for HPD interrupt
+    maxItems: 1
+
+  pon-gpios:
+    description: used for power on chip control
+    maxItems: 1
+
+  reset-gpios:
+    description: used for reset chip control
+    maxItems: 1
+
+  extcon-supported:
+    description: external connector interface support flag
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  internal-pannel-supported:
+    description: indicate does internal pannel exist or not
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  dsi-supported:
+    description: support MIPI DSI or DPI
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  dsi-channel-id:
+    description: dsi channel index
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  dsi-lanes-num:
+    description: dsi lanes used num
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  port@0:
+    type: object
+    description:
+      A port node pointing to MIPI DSI host port node.
+
+required:
+  - compatible
+  - reg
+  - dsi-channel-id
+  - dsi-lanes-num
+  - port@0
+
+example:
+  - |
+    anx_bridge: anx7625@58 {
+        compatible = "analogix,anx7625";
+        reg = <0x58>;
+        low-power-gpios = <0>;
+        dsi-supported = <1>;
+        dsi-channel-id = <1>;
+        dsi-lanes-num = <4>;
+        hpd-gpios = <&gpio1 19 IRQ_TYPE_LEVEL_LOW>;
+        status = "okay";
+    };
-- 
2.7.4