netdev - [PATCH v3 06/14] arm64: dts: qcom: lemans-evk: Add EEPROM and nvmem layout

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Message-Id: <20250904-lemans-evk-bu-v3-6-8bbaac1f25e8@oss.qualcomm.com>
Date: Thu, 04 Sep 2025 22:09:02 +0530
From: Wasim Nazir <wasim.nazir@....qualcomm.com>
To: Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Richard Cochran <richardcochran@...il.com>,
        Bartosz Golaszewski <brgl@...ev.pl>
Cc: kernel@....qualcomm.com, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, netdev@...r.kernel.org,
        linux-i2c@...r.kernel.org, Monish Chunara <quic_mchunara@...cinc.com>,
        Wasim Nazir <wasim.nazir@....qualcomm.com>
Subject: [PATCH v3 06/14] arm64: dts: qcom: lemans-evk: Add EEPROM and
 nvmem layout

From: Monish Chunara <quic_mchunara@...cinc.com>

Integrate the GT24C256C EEPROM via I2C to enable access to
board-specific non-volatile data.

Also, define an nvmem-layout to expose structured regions within the
EEPROM, allowing consumers to retrieve configuration data such as
Ethernet MAC addresses via the nvmem subsystem.

Signed-off-by: Monish Chunara <quic_mchunara@...cinc.com>
Signed-off-by: Wasim Nazir <wasim.nazir@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/lemans-evk.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts
index c48cb4267b72..30c3e5bead07 100644
--- a/arch/arm64/boot/dts/qcom/lemans-evk.dts
+++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts
@@ -319,6 +319,18 @@ expander3: gpio@3b {
 		#gpio-cells = <2>;
 		gpio-controller;
 	};
+
+	eeprom@50 {
+		compatible = "giantec,gt24c256c", "atmel,24c256";
+		reg = <0x50>;
+		pagesize = <64>;
+
+		nvmem-layout {
+			compatible = "fixed-layout";
+			#address-cells = <1>;
+			#size-cells = <1>;
+		};
+	};
 };
 
 &mdss0 {

-- 
2.51.0