[PATCH v3 03/16] dt-bindings: usb: usb-hcd: Add "ulpi/serial/hsic" PHY types

[Serge Semin]

Aside from the UTMI+ there are also ULPI, Serial and HSIC PHY types
that can be specified in the phy_type HCD property. Add them to the
enumeration of the acceptable values.

Signed-off-by: Serge Semin <Sergey.Semin at baikalelectronics.ru>
Reviewed-by: Rob Herring <robh at kernel.org>

---

Changelog v2:
- Grammar fix: "s/PHY types can be/PHY types that can be"
- Drop quotes from around the string constants.
---
 Documentation/devicetree/bindings/usb/usb-hcd.yaml | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
index e01d8a54971e..a1a6cde7327d 100644
--- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
@@ -46,11 +46,13 @@ properties:
   phy_type:
     description:
       Tells USB controllers that we want to configure the core to support a
-      UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected. In case
-      this isn't passed via DT, USB controllers should default to HW
-      capability.
+      UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
+      pin interface if ULPI is specified, Serial core/PHY interconnect if
+      serial is specified and High-Speed Inter-Chip feature if HSIC is
+      selected. In case this isn't passed via DT, USB controllers should
+      default to HW capability.
     $ref: /schemas/types.yaml#/definitions/string
-    enum: [utmi, utmi_wide]
+    enum: [utmi, utmi_wide, ulpi, serial, hsic]
 
   otg-rev:
     description:
-- 
2.27.0