linux-kernel - [PATCH v7 03/22] dt-bindings: soc: qcom: qcom,saw2: define optional regulator node

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Date: Tue, 02 Jan 2024 07:17:23 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, Andy Gross <agross@...nel.org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, Rob Herring <robh@...nel.org>
Subject: [PATCH v7 03/22] dt-bindings: soc: qcom: qcom,saw2: define
 optional regulator node

The SAW2 device can optionally provide a voltage regulator supplying the
CPU core, cluster or L2 cache. Change the boolean 'regulator' property
into a proper regulator description. This breaks schema compatibility
for the sake of properly describing the regulator.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 Documentation/devicetree/bindings/soc/qcom/qcom,saw2.yaml | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,saw2.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,saw2.yaml
index 2178fea37b8c..f9306f2a6e99 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,saw2.yaml
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,saw2.yaml
@@ -53,7 +53,7 @@ properties:
     minItems: 1
 
   regulator:
-    type: boolean
+    $ref: /schemas/regulator/regulator.yaml#
     description: Indicates that this SPM device acts as a regulator device
       device for the core (CPU or Cache) the SPM is attached to.
 
@@ -102,4 +102,17 @@ examples:
         reg = <0x17912000 0x1000>;
     };
 
+  - |
+    /*
+     * Example 3: SAW2 with the bundled regulator definition.
+     */
+    power-manager@...9000 {
+        compatible = "qcom,apq8064-saw2-v1.1-cpu", "qcom,saw2";
+        reg = <0x02089000 0x1000>, <0x02009000 0x1000>;
+
+        regulator {
+            regulator-min-microvolt = <850000>;
+            regulator-max-microvolt = <1300000>;
+        };
+    };
 ...

-- 
2.39.2