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ARM: dts: bcm2711: Add BCM2711 xHCI support

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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>
This commit is contained in:
Stefan Wahren 2023-12-05 21:05:31 +01:00 committed by Greg Kroah-Hartman
parent 95e71986fc
commit 522c35e08b
2 changed files with 19 additions and 0 deletions
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5
arch/arm/boot/dts/broadcom/bcm2711-rpi.dtsi
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@ -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>;
};

14
arch/arm/boot/dts/broadcom/bcm2711.dtsi
View File

@ -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>,