linux-kernel - [PATCH 1/4] arm64: dts: rockchip: add mule nvram/rom to rk3399-puma

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Message-Id: <20240604-nvmem-v1-1-b784260a36a6@cherry.de>
Date: Tue, 04 Jun 2024 18:23:51 +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 1/4] arm64: dts: rockchip: add mule nvram/rom to
 rk3399-puma

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/rk3399-puma.dtsi | 45 +++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
index 69b57cde7d78..7ab688c46a49 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
@@ -11,6 +11,8 @@ / {
 	aliases {
 		ethernet0 = &gmac;
 		i2c10 = &i2c10;
+		i2c12 = &i2c12;
+		i2c13 = &i2c13;
 		mmc0 = &sdhci;
 	};
 
@@ -395,6 +397,49 @@ 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