Re: [PATCH v2] dt-bindings: watchdog: improve QCOM compatible parsing for modern chips

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On 1/11/22 1:23 PM, David Heidelberg wrote:
Parse compatible as expected for modern QCOMs.

Fixes warnings as:
arch/arm64/boot/dts/qcom/sdm845-oneplus-fajita.dt.yaml: watchdog@17980000: compatible: ['qcom,apss-wdt-sdm845', 'qcom,kpss-wdt'] is too long
         From schema: Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
arch/arm64/boot/dts/qcom/sdm845-oneplus-fajita.dt.yaml: watchdog@17980000: compatible: Additional items are not allowed ('qcom,kpss-wdt' was unexpected)
         From schema: Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: David Heidelberg <david@xxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

---
v2:
  - updated compatible list as two compatibles has been added upstream
  -> resolve merge conflict
---
  .../bindings/watchdog/qcom-wdt.yaml           | 37 +++++++++++--------
  1 file changed, 21 insertions(+), 16 deletions(-)

diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
index 16c6f82a13ca..4ff8c59c59ab 100644
--- a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
@@ -14,22 +14,27 @@ allOf:
properties:
    compatible:
-    enum:
-      - qcom,apss-wdt-qcs404
-      - qcom,apss-wdt-sc7180
-      - qcom,apss-wdt-sc7280
-      - qcom,apss-wdt-sdm845
-      - qcom,apss-wdt-sdx55
-      - qcom,apss-wdt-sm6350
-      - qcom,apss-wdt-sm8150
-      - qcom,apss-wdt-sm8250
-      - qcom,kpss-timer
-      - qcom,kpss-wdt
-      - qcom,kpss-wdt-apq8064
-      - qcom,kpss-wdt-ipq4019
-      - qcom,kpss-wdt-ipq8064
-      - qcom,kpss-wdt-msm8960
-      - qcom,scss-timer
+    oneOf:
+      - items:
+          - enum:
+              - qcom,apss-wdt-qcs404
+              - qcom,apss-wdt-sc7180
+              - qcom,apss-wdt-sc7280
+              - qcom,apss-wdt-sdm845
+              - qcom,apss-wdt-sdx55
+              - qcom,apss-wdt-sm6350
+              - qcom,apss-wdt-sm8150
+              - qcom,apss-wdt-sm8250
+          - const: qcom,kpss-wdt
+      - items:
+          - enum:
+              - qcom,kpss-wdt
+              - qcom,kpss-timer
+              - qcom,kpss-wdt-apq8064
+              - qcom,kpss-wdt-ipq4019
+              - qcom,kpss-wdt-ipq8064
+              - qcom,kpss-wdt-msm8960
+              - qcom,scss-timer
reg:
      maxItems: 1





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