linux-kernel - [PATCH v4 8/9] arm64: dts: rockchip: add mule mfd (0x18) on rk3588-tiger

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Message-Id: <20240618-dev-mule-i2c-mux-v4-8-5462d28354c8@cherry.de>
Date: Tue, 18 Jun 2024 18:06:50 +0200
From: Farouk Bouabid <farouk.bouabid@...rry.de>
To: Jean Delvare <jdelvare@...e.com>, Guenter Roeck <linux@...ck-us.net>, 
 Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>, 
 Farouk Bouabid <farouk.bouabid@...rry.de>, 
 Quentin Schulz <quentin.schulz@...rry.de>, Peter Rosin <peda@...ntia.se>, 
 Heiko Stuebner <heiko@...ech.de>
Cc: linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-i2c@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org
Subject: [PATCH v4 8/9] arm64: dts: rockchip: add mule mfd (0x18) on
 rk3588-tiger

Mule emulates amc6821 and an I2C mux (mfd:0x18). The isl1208 is exposed
behind this mux.

Add the mux node and isl1208 as a default device.

Signed-off-by: Farouk Bouabid <farouk.bouabid@...rry.de>
---
 arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi | 32 +++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi
index aebe1fedd2d8..e6d23e6d95fc 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi
@@ -12,6 +12,7 @@ / {
 	compatible = "tsd,rk3588-tiger", "rockchip,rk3588";
 
 	aliases {
+		i2c10 = &i2c10;
 		mmc0 = &sdhci;
 		rtc0 = &rtc_twi;
 	};
@@ -223,14 +224,33 @@ &i2c6 {
 	clock-frequency = <400000>;
 	status = "okay";
 
-	fan@18 {
-		compatible = "ti,amc6821";
+	mule@18 {
+		compatible = "tsd,mule";
 		reg = <0x18>;
-	};
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		fan: fan@18 {
+			compatible = "ti,amc6821";
+			reg = <0x18>;
+		};
+
+		i2c-mux {
+			compatible = "tsd,mule-i2c-mux";
+			#address-cells = <1>;
+			#size-cells = <0>;
 
-	rtc_twi: rtc@6f {
-		compatible = "isil,isl1208";
-		reg = <0x6f>;
+			i2c10: i2c@0 {
+				reg = <0x0>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				rtc_twi: rtc@6f {
+					compatible = "isil,isl1208";
+					reg = <0x6f>;
+				};
+			};
+		};
 	};
 };
 

-- 
2.34.1