[PATCH 2/3] ARM: dts: bcm2711: Add generic xHCI

Stefan Wahren wahrenst at gmx.net
Sat Nov 25 18:56:11 PST 2023


The BCM2711 SoC also has a generic xHCI. The USB port is currently
only usable on the Compute Module 4 (e.g. via IO board).

Signed-off-by: Stefan Wahren <wahrenst at gmx.net>
---
 arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi | 5 +++++
 arch/arm/boot/dts/broadcom/bcm2711.dtsi     | 9 +++++++++
 2 files changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi b/arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi
index 98817a6675b9..d233a191c139 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "bcm2835-rpi.dtsi"

+#include <dt-bindings/power/raspberrypi-power.h>
 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>

 / {
@@ -76,3 +77,7 @@ &v3d {
 &vchiq {
 	interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
 };
+
+&xhci {
+	power-domains = <&power RPI_POWER_DOMAIN_USB>;
+};
diff --git a/arch/arm/boot/dts/broadcom/bcm2711.dtsi b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
index 4a379a14966d..724f1f0f4be7 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
@@ -604,6 +604,15 @@ genet_mdio: mdio at e14 {
 			};
 		};

+		xhci: usb at 7e9c0000 {
+			compatible = "generic-xhci";
+			reg = <0x0 0x7e9c0000 0x100000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
 		v3d: gpu at 7ec00000 {
 			compatible = "brcm,2711-v3d";
 			reg = <0x0 0x7ec00000 0x4000>,
--
2.34.1




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