diff mbox series

[1/4] dt-bindings: phy: qcom,snps-eusb2-repeater: Add magic tuning overrides

Message ID 20230830-topic-eusb2_override-v1-1-ab23825385a8@linaro.org
State Superseded
Headers show
Series EUSB2 repeater init sequence override | expand

Commit Message

Konrad Dybcio Aug. 30, 2023, 2:40 a.m. UTC 
The EUSB2 repeater requires some alterations to its init sequence,
depending on board design.

Add support for making the necessary changes to that sequence to make USB
functional on SM8550-based Xperia 1 V.

They all have lackluster description due to lack of information.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 .../bindings/phy/qcom,snps-eusb2-repeater.yaml      | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml
index 029569d5fcf3..83fd6f936bf9 100644
--- a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml
@@ -32,6 +32,27 @@  properties:
 
   vdd3-supply: true
 
+  qcom,tune-hsdisc-value:
+    $ref: /schemas/types.yaml#/definitions/uint8
+    description: High-Speed disconnect threshold
+    minimum: 0
+    maximum: 7
+    default: 0
+
+  qcom,tune-iusb2-value:
+    $ref: /schemas/types.yaml#/definitions/uint8
+    description: High-Speed trasmit amplitude
+    minimum: 0
+    maximum: 15
+    default: 8
+
+  qcom,tune-usb2-preem-value:
+    $ref: /schemas/types.yaml#/definitions/uint8
+    description: TX pre-emphasis tuning
+    minimum: 0
+    maximum: 7
+    default: 5
+
 required:
   - compatible
   - reg