linux-kernel - [PATCH 4/7] arm64: zynqmp: Update the usb5744 hub node as per binding

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Message-ID: <564a09b84dfdce1e54c93e95f9156150e05b8f43.1752835502.git.michal.simek@amd.com>
Date: Fri, 18 Jul 2025 12:45:09 +0200
From: Michal Simek <michal.simek@....com>
To: <linux-kernel@...r.kernel.org>, <monstr@...str.eu>,
	<michal.simek@...inx.com>, <git@...inx.com>
CC: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@....com>, Conor Dooley
	<conor+dt@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Rob Herring
	<robh@...nel.org>, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE
 BINDINGS" <devicetree@...r.kernel.org>, "moderated list:ARM/ZYNQ
 ARCHITECTURE" <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH 4/7] arm64: zynqmp: Update the usb5744 hub node as per binding

From: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@....com>

Updating the usb5744 hub node as per the latest upstream DT binding.

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@....com>
Signed-off-by: Michal Simek <michal.simek@....com>
---

 .../boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso | 19 +++++++++++++-
 .../boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso | 25 ++++++++++++++++++-
 2 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
index 95d16904d765..a98a888d1385 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
@@ -129,7 +129,6 @@ &usb0 {
 	pinctrl-0 = <&pinctrl_usb0_default>;
 	phy-names = "usb3-phy";
 	phys = <&psgtr 2 PHY_TYPE_USB3 0 1>;
-	/* missing usb5744 - u43 */
 };
 
 &dwc3_0 {
@@ -137,6 +136,24 @@ &dwc3_0 {
 	dr_mode = "host";
 	snps,usb3_lpm_capable;
 	maximum-speed = "super-speed";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	/* 2.0 hub on port 1 */
+	hub_2_0: hub@1 {
+		compatible = "usb424,2744";
+		reg = <1>;
+		peer-hub = <&hub_3_0>;
+		reset-gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
+	};
+
+	/* 3.0 hub on port 2 */
+	hub_3_0: hub@2 {
+		compatible = "usb424,5744";
+		reg = <2>;
+		peer-hub = <&hub_2_0>;
+		reset-gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
+	};
 };
 
 &sdhci1 { /* on CC with tuned parameters */
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
index a74d0ac7e07a..7490efea98bd 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
@@ -92,7 +92,10 @@ u14: ina260@40 { /* u14 */
 		label = "ina260-u14";
 		reg = <0x40>;
 	};
-	/* u43 - 0x2d - USB hub */
+	hub: usb-hub@2d {
+		compatible = "microchip,usb5744";
+		reg = <0x2d>;
+	};
 	/* u27 - 0xe0 - STDP4320 DP/HDMI splitter */
 };
 
@@ -138,6 +141,26 @@ &dwc3_0 {
 	dr_mode = "host";
 	snps,usb3_lpm_capable;
 	maximum-speed = "super-speed";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	/* 2.0 hub on port 1 */
+	hub_2_0: hub@1 {
+		compatible = "usb424,2744";
+		reg = <1>;
+		peer-hub = <&hub_3_0>;
+		i2c-bus = <&hub>;
+		reset-gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
+	};
+
+	/* 3.0 hub on port 2 */
+	hub_3_0: hub@2 {
+		compatible = "usb424,5744";
+		reg = <2>;
+		peer-hub = <&hub_2_0>;
+		i2c-bus = <&hub>;
+		reset-gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
+	};
 };
 
 &sdhci1 { /* on CC with tuned parameters */
-- 
2.43.0