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| author | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2020-06-29 19:18:40 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-18 14:01:11 +0300 |
| commit | 258f92d2f840b6ea62c0b33f04eb4d9270935bba (patch) | |
| tree | 1adf88366ee18a9d1726001014940823d6716b14 /arch/arm/boot/dts | |
| parent | b03300db06bed1997a1eecc4c26f3a2895c57726 (diff) | |
| download | linux-258f92d2f840b6ea62c0b33f04eb4d9270935bba.tar.xz | |
ARM: dts: bcm2711: Add reset controller to xHCI node
The chip is hardwired to the board's PCIe bus and needs to be properly
setup trough a firmware routine after a PCI fundamental reset. Pass the
reset controller phandle that takes care of triggering the
initialization to the relevant PCI device.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200629161845.6021-5-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/boot/dts')
| -rw-r--r-- | arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts index f042ed48f70a..e94244a215af 100644 --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts @@ -4,6 +4,8 @@ #include "bcm2835-rpi.dtsi" #include "bcm283x-rpi-usb-peripheral.dtsi" +#include <dt-bindings/reset/raspberrypi,firmware-reset.h> + / { compatible = "raspberrypi,4-model-b", "brcm,bcm2711"; model = "Raspberry Pi 4 Model B"; @@ -212,6 +214,21 @@ }; }; +&pcie0 { + pci@1,0 { + #address-cells = <3>; + #size-cells = <2>; + ranges; + + reg = <0 0 0 0 0>; + + usb@1,0 { + reg = <0x10000 0 0 0 0>; + resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>; + }; + }; +}; + /* uart0 communicates with the BT module */ &uart0 { pinctrl-names = "default"; |