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

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Date:   Thu, 19 Sep 2019 06:55:01 +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>,
        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>;
		anx,low_power_mode = <1>;
		anx,dsi_supported = <1>;
		anx,dsi_channel = <1>;
		anx,dsi_lanes = <4>;
		anx,internal_pannel = <1>;
		anx,p-on-gpio = <&gpio0 45 GPIO_ACTIVE_LOW>;
		anx,reset-gpio = <&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>
---
 .../devicetree/bindings/display/bridge/anx7625.txt | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/anx7625.txt

diff --git a/Documentation/devicetree/bindings/display/bridge/anx7625.txt b/Documentation/devicetree/bindings/display/bridge/anx7625.txt
new file mode 100644
index 0000000..f2a1c2a
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/anx7625.txt
@@ -0,0 +1,42 @@
+Analogix ANX7625 SlimPort (4K Mobile HD Transmitter)
+-----------------------------------------------
+
+The ANX7625 is an ultra-low power 4K Mobile HD Transmitter
+designed for portable devices.
+
+Required properties:
+
+ - compatible		: "analogix,anx7625"
+ - reg			: I2C address of the device
+ - anx,low_power_mode	: Low power mode support feature
+ - anx,dsi_supported	: DSI or DPI
+ - anx,dsi_channel	: DSI channel index
+ - anx,dsi_lanes	: DSI lane count
+ - anx,intr-hpd-gpio	: Which GPIO to use for interrupt
+
+Optional properties:
+
+ - anx,extcon_supported
+	external connector interface support flag
+ - anx,internal_pannel
+	Which indicate internal pannel
+ - anx,p-on-gpio
+	Which GPIO to use for Power On chip
+ - anx,reset-gpio
+	Which GPIO to use for RESET
+ - port
+	SoC specific port nodes with endpoint definitions as defined in
+	Documentation/devicetree/bindings/media/video-interfaces.txt,
+
+Example:
+
+	anx_bridge: anx7625@58 {
+		compatible = "analogix,anx7625";
+		reg = <0x58>;
+		anx,low_power_mode = <0>;
+		anx,dsi_supported = <1>;
+		anx,dsi_channel = <1>;
+		anx,dsi_lanes = <4>;
+		anx,intr-hpd-gpio = <&gpio1 19 IRQ_TYPE_LEVEL_LOW>;
+		status = "okay";
+	};
-- 
2.7.4