linux-kernel - [PATCH 2/2] arm64: dts: imx8mp-beacon-kit: Enable HDMI bridge HPD

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Date: Wed, 28 Feb 2024 05:37:36 -0600
From: Adam Ford <aford173@...il.com>
To: dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org
Cc: aford@...conembedded.com,
	Adam Ford <aford173@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: imx8mp-beacon-kit: Enable HDMI bridge HPD

The DSI to HDMI bridge supports hot-plut-detect, but the
driver didn't previously support a shared IRQ GPIO.  With
the driver updated, the interrupt can be added to the bridge.

Signed-off-by: Adam Ford <aford173@...il.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
index 8de4dd268908..d854c94ec997 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
@@ -405,6 +405,8 @@ adv_bridge: hdmi@3d {
 		compatible = "adi,adv7535";
 		reg = <0x3d>, <0x3c>, <0x3e>, <0x3f>;
 		reg-names = "main", "cec", "edid", "packet";
+		interrupt-parent = <&gpio4>;
+		interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
 		adi,dsi-lanes = <4>;
 		#sound-dai-cells = <0>;
 
-- 
2.43.0