linux-kernel - [PATCH] arm: dts: imx53-qsb-hdmi: Disable panel instead of deleting node

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Date: Tue, 14 May 2024 11:07:18 +0800
From: Liu Ying <victor.liu@....com>
To: imx@...ts.linux.dev,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	dmitry.baryshkov@...aro.org
Subject: [PATCH] arm: dts: imx53-qsb-hdmi: Disable panel instead of deleting node

We cannot use /delete-node/ directive to delete a node in a DT
overlay.  The node won't be deleted effectively.  Instead, set
the node's status property to "disabled" to achieve something
similar.

Fixes: eeb403df953f ("ARM: dts: imx53-qsb: add support for the HDMI expander")
Signed-off-by: Liu Ying <victor.liu@....com>
---
 arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi | 2 +-
 arch/arm/boot/dts/nxp/imx/imx53-qsb-hdmi.dtso   | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi b/arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi
index d80440446473..05d7a462ea25 100644
--- a/arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi
@@ -85,7 +85,7 @@ led-user {
 		};
 	};
 
-	panel {
+	panel_dpi: panel {
 		compatible = "sii,43wvf1g";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_display_power>;
diff --git a/arch/arm/boot/dts/nxp/imx/imx53-qsb-hdmi.dtso b/arch/arm/boot/dts/nxp/imx/imx53-qsb-hdmi.dtso
index c84e9b052527..151e9cee3c87 100644
--- a/arch/arm/boot/dts/nxp/imx/imx53-qsb-hdmi.dtso
+++ b/arch/arm/boot/dts/nxp/imx/imx53-qsb-hdmi.dtso
@@ -10,8 +10,6 @@
 /plugin/;
 
 &{/} {
-	/delete-node/ panel;
-
 	hdmi: connector-hdmi {
 		compatible = "hdmi-connector";
 		label = "hdmi";
@@ -82,6 +80,10 @@ sii9022_out: endpoint {
 	};
 };
 
+&panel_dpi {
+	status = "disabled";
+};
+
 &tve {
 	status = "disabled";
 };
-- 
2.34.1