| Message ID | 20200609175003.19793-5-nsaenzjulienne@suse.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Raspberry Pi 4 USB firmware initialization rework | expand |
On 6/9/2020 10:49 AM, Nicolas Saenz Julienne wrote: > 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. > > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> With the comment from patch #2 to move the reset identifiers to a shared header that can be referenced by this file: Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts index 0cef95058fb0..e74ca0c86137 100644 --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts @@ -207,6 +207,13 @@ phy1: ethernet-phy@1 { }; }; +&pcie0 { + usb@1,0 { + reg = <0 0 0 0 0>; + resets = <&reset 0>; + }; +}; + /* uart0 communicates with the BT module */ &uart0 { pinctrl-names = "default";
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. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> --- Changes since v1: - Update to match new binding arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 7 +++++++ 1 file changed, 7 insertions(+)