linux-kernel - [PATCH 01/14] regulator: dt-bindings: qcom,qca6390-pmu: describe PMUs on WCN39xx

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Message-Id: <20251231-wcn3990-pwrctl-v1-1-1ff4d6028ad5@oss.qualcomm.com>
Date: Wed, 31 Dec 2025 01:35:51 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bartosz Golaszewski <brgl@...nel.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Jeff Johnson <jjohnson@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Balakrishna Godavarthi <quic_bgodavar@...cinc.com>,
        Matthias Kaehlcke <mka@...omium.org>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        linux-wireless@...r.kernel.org, ath10k@...ts.infradead.org,
        linux-pm@...r.kernel.org, Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 01/14] regulator: dt-bindings: qcom,qca6390-pmu: describe
 PMUs on WCN39xx

WCN3990 and other similar WiFi/BT chips incorporate a simple on-chip PMU
(clearly described as such in the documentation). Extend DT schema
covering other Qualcomm WiFi/BT chips to cover these devices too.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 .../bindings/regulator/qcom,qca6390-pmu.yaml       | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/qcom,qca6390-pmu.yaml b/Documentation/devicetree/bindings/regulator/qcom,qca6390-pmu.yaml
index 47c425c9fff1..dc88523f46f8 100644
--- a/Documentation/devicetree/bindings/regulator/qcom,qca6390-pmu.yaml
+++ b/Documentation/devicetree/bindings/regulator/qcom,qca6390-pmu.yaml
@@ -18,6 +18,11 @@ properties:
   compatible:
     enum:
       - qcom,qca6390-pmu
+      - qcom,wcn3950-pmu
+      - qcom,wcn3988-pmu
+      - qcom,wcn3990-pmu
+      - qcom,wcn3991-pmu
+      - qcom,wcn3998-pmu
       - qcom,wcn6750-pmu
       - qcom,wcn6855-pmu
       - qcom,wcn7850-pmu
@@ -76,9 +81,18 @@ properties:
   vddpcie1p9-supply:
     description: VDD_PCIE_1P9 supply regulator handle
 
+  vddch0-supply:
+    description: chain 0 supply regulator handle
+
+  vddch1-supply:
+    description: chain 1 supply regulator handle
+
   vddio-supply:
     description: VDD_IO supply regulator handle
 
+  vddxo-supply:
+    description: VDD_XTAL supply regulator handle
+
   wlan-enable-gpios:
     maxItems: 1
     description: GPIO line enabling the ATH11K WLAN module supplied by the PMU
@@ -132,6 +146,28 @@ allOf:
         - vddpcie1p3-supply
         - vddpcie1p9-supply
         - vddio-supply
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,wcn3950-pmu
+              - qcom,wcn3988-pmu
+              - qcom,wcn3990-pmu
+              - qcom,wcn3991-pmu
+              - qcom,wcn3998-pmu
+    then:
+      properties:
+        wlan-enable-gpios: false
+        bt-enable-gpios: false
+      required:
+        - vddio-supply
+        - vddxo-supply
+        - vddrfa1p3-supply
+        - vddch0-supply
+        - vddch1-supply
+
   - if:
       properties:
         compatible:

-- 
2.47.3