From 259f5639b4b1a04cef9a7f79a95ef9ab928264cd Mon Sep 17 00:00:00 2001
From: Jennifer Berringer <jberring@redhat.com>
Date: Wed, 22 Jul 2026 16:28:47 -0400
Subject: [PATCH] riscv: dts: spacemit: k3-com260: add eeprom on i2c2

Enable i2c2 on the K3 CoM260 compute module and use it for a 24c02
eeprom. This eeprom stores the product name, a MAC address, and a serial
number.

Signed-off-by: Jennifer Berringer <jberring@redhat.com>
Reviewed-by: Yixun Lan <dlan@kernel.org>
Link: https://patch.msgid.link/20260722202848.1817988-2-jberring@redhat.com
Signed-off-by: Yixun Lan <dlan@kernel.org>
---
 arch/riscv/boot/dts/spacemit/k3-com260.dtsi | 32 +++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k3-com260.dtsi b/arch/riscv/boot/dts/spacemit/k3-com260.dtsi
index 2a07cd8f2a56..289319a591b9 100644
--- a/arch/riscv/boot/dts/spacemit/k3-com260.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k3-com260.dtsi
@@ -26,6 +26,38 @@ reg_5v_sys: regulator-5v-sys {
 	};
 };
 
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2_1_cfg>;
+	status = "okay";
+
+	eeprom@50 {
+		compatible = "atmel,24c02";
+		pagesize = <8>;
+		reg = <0x50>;
+		read-only;
+		size = <256>;
+		status = "okay";
+
+		nvmem-layout {
+			compatible = "onie,tlv-layout";
+
+			mac-address {
+				#nvmem-cell-cells = <1>;
+			};
+
+			num-macs {
+			};
+
+			product-name {
+			};
+
+			serial-number {
+			};
+		};
+	};
+};
+
 &i2c8 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c8_cfg>;