@@ -39,6 +39,22 @@ properties:
- compatible
- "#clock-cells"
+ usb-reset:
+ type: object
+
+ properties:
+ compatible:
+ const: raspberrypi,firmware-usb-reset
+
+ "#clock-cells":
+ const: 0
+ description: >
+ There is only one reset line available, so no need for cell decoding.
+
+ required:
+ - compatible
+ - "#reset-cells"
+
additionalProperties: false
required:
@@ -55,5 +71,10 @@ examples:
compatible = "raspberrypi,firmware-clocks";
#clock-cells = <1>;
};
+
+ usb_reset: usb-reset {
+ compatible = "raspberrypi,firmware-usb-reset";
+ #reset-cells = <0>;
+ };
};
...
The firmware running on the RPi VideoCore can be used to reset and initialize the board's xHCI controller. The reset controller is passed to the PCI device through the DT, hence this binding. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> --- .../arm/bcm/raspberrypi,bcm2835-firmware.yaml | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+)