The Amlogic A1 SoC Family embeds 1 USB Controllers:
- a DWC3 IP configured as Host for USB2 and USB3
A glue connects the controllers to the USB2 PHY of A1 SoC.
Signed-off-by: Yue Wang <yue.wang@xxxxxxxxxxx>
Signed-off-by: Hanjie Lin <hanjie.lin@xxxxxxxxxxx>
---
.../bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
index 4efb77b..904b5d7 100644
--- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
+++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
@@ -22,10 +22,14 @@ description: |
The DWC3 Glue controls the PHY routing and power, an interrupt line is
connected to the Glue to serve as OTG ID change detection.
+ The Amlogic A1 embeds a DWC3 USB IP Core configured for USB2 in
+ host-only mode.
+
properties:
compatible:
enum:
- amlogic,meson-g12a-usb-ctrl
+ - amlogic,meson-a1-usb-ctrl
ranges: true
@@ -84,6 +88,25 @@ required:
- phys
- dr_mode
+allOf:
+ - if:
+ properties:
+ compatible:
+ enum:
+ - amlogic,meson-a1-usb-ctrl
+
+ then:
+ properties:
+ clocks:
+ minItems: 3
+ clock-names:
+ items:
+ - const: usb_ctrl
+ - const: usb_bus
+ - const: xtal_usb_ctrl
+ required:
+ - clock-names
+
examples:
- |
usb: usb@ffe09000 {
--
2.7.4
