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>
#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";
};
};
+&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";