[PATCH 3/4] dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: Document the Nord QMP PHY

[Shawn Guo]

From: Bartosz Golaszewski <bartosz.golaszewski at oss.qualcomm.com>

Add a compatible for the USB3+DP combo QMP PHY found on the Qualcomm Nord
SoC. The PHY sits behind a GDSC, so also allow (and require) power-domains
for it.

The block gets a standalone compatible rather than a fallback to an
existing one, because it is not register-compatible with any PHY already
described here. Its USB3 and DP initialisation sequences do match sm8550,
but Nord places the sub-blocks at different offsets within the PHY: it
exposes a dedicated USB3_PCS_AON region at 0x1e00, which sm8550 does not
have at all. Falling back to sm8550 - or to any other entry - would make
the driver program the wrong addresses.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski at oss.qualcomm.com>
Assisted-by: LLM
Signed-off-by: Shawn Guo <shengchao.guo at oss.qualcomm.com>
---
 .../devicetree/bindings/phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml
index 8adfc78108fe..b5ccc8b4d8c8 100644
--- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml
@@ -27,6 +27,7 @@ properties:
       - enum:
           - qcom,glymur-qmp-usb3-dp-phy
           - qcom,hawi-qmp-usb3-dp-phy
+          - qcom,nord-qmp-usb3-dp-phy
           - qcom,sar2130p-qmp-usb3-dp-phy
           - qcom,sc7180-qmp-usb3-dp-phy
           - qcom,sc7280-qmp-usb3-dp-phy
@@ -212,6 +213,7 @@ allOf:
             enum:
               - qcom,glymur-qmp-usb3-dp-phy
               - qcom,hawi-qmp-usb3-dp-phy
+              - qcom,nord-qmp-usb3-dp-phy
               - qcom,sar2130p-qmp-usb3-dp-phy
               - qcom,sc8280xp-qmp-usb43dp-phy
               - qcom,sm6350-qmp-usb3-dp-phy
-- 
2.43.0