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authorStefan Wahren <wahrenst@gmx.net>2023-12-05 21:05:31 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-12-06 04:39:56 +0100
commit522c35e08b53f157ad3e51848caa861b258001e4 (patch)
treedb105bab6d4422a843505ff119070005d545ab5c /arch/arm
parentusb: xhci: xhci-plat: Add support for BCM2711 (diff)
downloadlinux-522c35e08b53f157ad3e51848caa861b258001e4.tar.xz
linux-522c35e08b53f157ad3e51848caa861b258001e4.zip
ARM: dts: bcm2711: Add BCM2711 xHCI support
The BCM2711 SoC also has a mostly generic xHCI. The USB port is currently only usable on the Compute Module 4 (e.g. via IO board). Because DWC2 and xHCI share the same PHY, we let the bootloader enable it on demand. Signed-off-by: Stefan Wahren <wahrenst@gmx.net> Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Link: https://lore.kernel.org/r/20231205200531.8232-4-wahrenst@gmx.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi5
-rw-r--r--arch/arm/boot/dts/broadcom/bcm2711.dtsi14
2 files changed, 19 insertions, 0 deletions
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 @@
&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..22c7f1561344 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
@@ -604,6 +604,20 @@
};
};
+ xhci: usb@7e9c0000 {
+ compatible = "brcm,bcm2711-xhci", "brcm,xhci-brcm-v2";
+ reg = <0x0 0x7e9c0000 0x100000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
+ /* DWC2 and this IP block share the same USB PHY,
+ * enabling both at the same time results in lockups.
+ * So keep this node disabled and let the bootloader
+ * decide which interface should be enabled.
+ */
+ status = "disabled";
+ };
+
v3d: gpu@7ec00000 {
compatible = "brcm,2711-v3d";
reg = <0x0 0x7ec00000 0x4000>,