linux-kernel - [PATCH v1 1/2] arm64: dts: freescale: imx8mp-verdin: Add EEPROM compatible fallback

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Message-Id: <20250408202939.6887-2-francesco@dolcini.it>
Date: Tue,  8 Apr 2025 22:29:38 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.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>
Cc: Francesco Dolcini <francesco.dolcini@...adex.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/2] arm64: dts: freescale: imx8mp-verdin: Add EEPROM compatible fallback

From: Francesco Dolcini <francesco.dolcini@...adex.com>

According to the AT24 EEPROM bindings the compatible string should
contain first the actual manufacturer, and second the corresponding
atmel model.

Add the atmel compatible fallback accordingly.

Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
---
 arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
index e3869efe4fd0..d43ba0087126 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
@@ -657,7 +657,7 @@ channel@7 {
 	};
 
 	eeprom@50 {
-		compatible = "st,24c02";
+		compatible = "st,24c02", "atmel,24c02";
 		pagesize = <16>;
 		reg = <0x50>;
 	};
@@ -770,7 +770,7 @@ hwmon_temp: sensor@4f {
 
 	/* EEPROM on display adapter (MIPI DSI Display Adapter) */
 	eeprom_display_adapter: eeprom@50 {
-		compatible = "st,24c02";
+		compatible = "st,24c02", "atmel,24c02";
 		pagesize = <16>;
 		reg = <0x50>;
 		status = "disabled";
@@ -778,7 +778,7 @@ eeprom_display_adapter: eeprom@50 {
 
 	/* EEPROM on carrier board */
 	eeprom_carrier_board: eeprom@57 {
-		compatible = "st,24c02";
+		compatible = "st,24c02", "atmel,24c02";
 		pagesize = <16>;
 		reg = <0x57>;
 		status = "disabled";
-- 
2.39.5