[PATCH v2 1/2] arm64: dts: broadcom: rp1: Add USB nodes

From: Andrea della Porta
Date: Fri Sep 05 2025 - 05:41:00 EST


The RaspberryPi 5 has RP1 chipset containing two USB host controller,
while presenting two USB 2.0 and two USB 3.0 ports to the outside.

Add the relevant USB nodes to the devicetree.

Signed-off-by: Andrea della Porta <andrea.porta@xxxxxxxx>
---
arch/arm64/boot/dts/broadcom/rp1-common.dtsi | 28 ++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/broadcom/rp1-common.dtsi b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi
index 5002a375eb0b..3be14ac53c81 100644
--- a/arch/arm64/boot/dts/broadcom/rp1-common.dtsi
+++ b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi
@@ -39,4 +39,32 @@ rp1_gpio: pinctrl@400d0000 {
<1 IRQ_TYPE_LEVEL_HIGH>,
<2 IRQ_TYPE_LEVEL_HIGH>;
};
+
+ rp1_usb0: usb@40200000 {
+ compatible = "snps,dwc3";
+ reg = <0x00 0x40200000 0x0 0x100000>;
+ interrupts = <31 IRQ_TYPE_EDGE_RISING>;
+ dr_mode = "host";
+ usb3-lpm-capable;
+ snps,dis_rxdet_inp3_quirk;
+ snps,parkmode-disable-hs-quirk;
+ snps,parkmode-disable-ss-quirk;
+ snps,tx-max-burst = /bits/ 8 <8>;
+ snps,tx-thr-num-pkt = /bits/ 8 <2>;
+ status = "disabled";
+ };
+
+ rp1_usb1: usb@40300000 {
+ compatible = "snps,dwc3";
+ reg = <0x00 0x40300000 0x0 0x100000>;
+ interrupts = <36 IRQ_TYPE_EDGE_RISING>;
+ dr_mode = "host";
+ usb3-lpm-capable;
+ snps,dis_rxdet_inp3_quirk;
+ snps,parkmode-disable-hs-quirk;
+ snps,parkmode-disable-ss-quirk;
+ snps,tx-max-burst = /bits/ 8 <8>;
+ snps,tx-thr-num-pkt = /bits/ 8 <2>;
+ status = "disabled";
+ };
};
--
2.35.3