linux-kernel - [PATCH v4 6/9] arm64: dts: rockchip: add mule mfd (0x18) on rk3588-jaguar

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Date: Tue, 18 Jun 2024 18:06:48 +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 6/9] arm64: dts: rockchip: add mule mfd (0x18) on
 rk3588-jaguar

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-jaguar.dts | 34 ++++++++++++++++++++------
 1 file changed, 27 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-jaguar.dts b/arch/arm64/boot/dts/rockchip/rk3588-jaguar.dts
index 31d2f8994f85..9c296d2116d4 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-jaguar.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-jaguar.dts
@@ -32,6 +32,7 @@ button-bios-disable {
 
 	aliases {
 		ethernet0 = &gmac0;
+		i2c10 = &i2c10;
 		mmc0 = &sdhci;
 		mmc1 = &sdmmc;
 		rtc0 = &rtc_twi;
@@ -275,9 +276,33 @@ &i2c0 {
 	pinctrl-0 = <&i2c0m2_xfer>;
 	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>;
+
+			i2c10: i2c@0 {
+				reg = <0x0>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				rtc_twi: rtc@6f {
+					compatible = "isil,isl1208";
+					reg = <0x6f>;
+				};
+			};
+		};
 	};
 
 	vdd_npu_s0: regulator@42 {
@@ -313,11 +338,6 @@ regulator-state-mem {
 			regulator-off-in-suspend;
 		};
 	};
-
-	rtc_twi: rtc@6f {
-		compatible = "isil,isl1208";
-		reg = <0x6f>;
-	};
 };
 
 &i2c1 {

-- 
2.34.1