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[v2,2/6] dt-bindings: phy: qcom,msm8998-qmp-usb3-phy: add TCSR registers

Message ID 20240117-usbc-phy-vls-clamp-v2-2-a950c223f10f@linaro.org
State Accepted
Commit f2b2f86a8bd19feb70649abf8a63d639f4c838d8
Headers show
Series phy: qcom: qmp-usbc: properly handle the clamping register | expand

Commit Message

Dmitry Baryshkov Jan. 17, 2024, 2:04 p.m. UTC 
The QMP USB PHYs on msm8998, qcm2290 and some other platforms don't have
the PCS_MISC_CLAMP_ENABLE register. Instead they need to toggle the
register in the TCSR space. Declare the registers accessible through the
TCSR space.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 .../devicetree/bindings/phy/qcom,msm8998-qmp-usb3-phy.yaml    | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/phy/qcom,msm8998-qmp-usb3-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,msm8998-qmp-usb3-phy.yaml
index da5d4cbca24c..140843347d1e 100644
--- a/Documentation/devicetree/bindings/phy/qcom,msm8998-qmp-usb3-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,msm8998-qmp-usb3-phy.yaml
@@ -55,6 +55,14 @@  properties:
       Flag the PHY as possible handler of USB Type-C orientation switching
     type: boolean
 
+  qcom,tcsr-reg:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    items:
+      - items:
+          - description: phandle to TCSR hardware block
+          - description: offset of the VLS CLAMP register
+    description: Clamp register present in the TCSR
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
     properties:
@@ -78,6 +86,7 @@  required:
   - "#clock-cells"
   - clock-output-names
   - "#phy-cells"
+  - qcom,tcsr-reg
 
 allOf:
   - if:
@@ -148,6 +157,8 @@  examples:
 
       orientation-switch;
 
+      qcom,tcsr-reg = <&tcsr_regs_1 0x6b244>;
+
       ports {
         #address-cells = <1>;
         #size-cells = <0>;