linux-kernel - [PATCH 2/4] arm64: dts: rockchip: add mule nvram/rom to px30-ringneck

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Message-Id: <20240604-nvmem-v1-2-b784260a36a6@cherry.de>
Date: Tue, 04 Jun 2024 18:23:52 +0200
From: Farouk Bouabid <farouk.bouabid@...rry.de>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Farouk Bouabid <farouk.bouabid@...rry.de>, quentin.schulz@...rry.de
Subject: [PATCH 2/4] arm64: dts: rockchip: add mule nvram/rom to
 px30-ringneck

Add mule NVRAM and ROM on the Mule I2C mux (0x18).

Signed-off-by: Farouk Bouabid <farouk.bouabid@...rry.de>
---
 arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi | 45 +++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi b/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi
index eea906379983..62591972df02 100644
--- a/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi
+++ b/arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi
@@ -10,6 +10,8 @@
 / {
 	aliases {
 		i2c10 = &i2c10;
+		i2c12 = &i2c12;
+		i2c13 = &i2c13;
 		mmc0 = &emmc;
 		mmc1 = &sdio;
 		rtc0 = &rtc_twi;
@@ -309,6 +311,49 @@ fan: fan@18 {
 				#cooling-cells = <2>;
 			};
 		};
+
+		i2c12: i2c@2 {
+			reg = <0x2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			eeprom@18 {
+				compatible = "atmel,24c02";
+				reg = <0x18>;
+				size = <8>;
+			};
+		};
+
+		i2c13: i2c@3 {
+			reg = <0x3>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			eeprom@18 {
+				compatible = "atmel,24c02";
+				reg = <0x18>;
+				read-only;
+				size = <32>;
+
+				nvmem-layout {
+					compatible = "fixed-layout";
+					#address-cells = <1>;
+					#size-cells = <1>;
+
+					mule-variant@0 {
+						reg = <0x0 0x1>;
+					};
+
+					mule-bl-version@1 {
+						reg = <0x1 0x8>;
+					};
+
+					mule-version@9 {
+						reg = <0x9 0x8>;
+					};
+				};
+			};
+		};
 	};
 
 	rtc_twi: rtc@6f {

-- 
2.34.1