[PATCH 1/2] dt-bindings: usb: dwc2: add support for STM32MP15 SoCs USB OTG HS and FS

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Add the specific compatible string for the DWC2 IP found in the STM32MP15
SoCs.
STM32MP15 SoCs uses sensing comparators to detect Vbus valid levels and
ID pin state. usb33d-supply described the regulator supplying Vbus and ID
sensing comparators.

Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxx>
---
 Documentation/devicetree/bindings/usb/dwc2.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt
index aafff3a6904d..c2c8d40076cf 100644
--- a/Documentation/devicetree/bindings/usb/dwc2.txt
+++ b/Documentation/devicetree/bindings/usb/dwc2.txt
@@ -23,6 +23,9 @@ Required properties:
   configured in HS mode;
   - "st,stm32f7-hsotg": The DWC2 USB HS controller instance in STM32F7 SoCs
     configured in HS mode;
+  - "st,stm32mp15-fsotg": The DWC2 USB controller instance in STM32MP15 SoCs,
+  configured in FS mode (using dedicated FS transceiver).
+  - "st,stm32mp15-hsotg": The DWC2 USB controller instance in STM32MP15 SoCs;
 - reg : Should contain 1 register range (address and length)
 - interrupts : Should contain 1 interrupt
 - clocks: clock provider specifier
@@ -46,6 +49,8 @@ Refer to phy/phy-bindings.txt for generic phy consumer properties
                           on for remote wakeup during suspend.
 - snps,reset-phy-on-wake: If present indicates that we need to reset the PHY when
                           we detect a wakeup.  This is due to a hardware errata.
+- usb33d-supply: external VBUS and ID sensing comparators supply, in order to
+		 perform OTG operation, used on STM32MP15 SoCs.
 
 Deprecated properties:
 - g-use-dma: gadget DMA mode is automatically detected
-- 
2.17.1




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