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[v2,7/7] dt-bindings: watchdog: allow "timer" as node name

Message ID 20230113103346.29381-8-krzysztof.kozlowski@linaro.org
State Accepted
Commit e8b1cb537b8095e1bc528ce2aef56318195d8343
Headers show
Series [v2,1/7] dt-bindings: watchdog: qcom-wdt: require fallback for IPQ4019 | expand

Commit Message

Krzysztof Kozlowski Jan. 13, 2023, 10:33 a.m. UTC 
On some SoCs the watchdog device is actually mixed with timer, e.g.
the qcom,msm-timer on older Qualcomm SoCs where this is actually one
hardware block responsible for both system timer and watchdog.

Allow calling such device nodes as "timer".

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>

---

Changes since v1:
1. Add tag.

See also:
https://lore.kernel.org/linux-arm-msm/20221212163532.142533-1-krzysztof.kozlowski@linaro.org/T/#t

which causes warnings:

qcom-msm8960-cdp.dtb: timer@200a000: $nodename:0: 'timer@200a000' does not match '^watchdog(@.*|-[0-9a-f])?$'
  From schema: Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
---
 Documentation/devicetree/bindings/watchdog/watchdog.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/watchdog/watchdog.yaml b/Documentation/devicetree/bindings/watchdog/watchdog.yaml
index fccae0d00110..519b48889eb1 100644
--- a/Documentation/devicetree/bindings/watchdog/watchdog.yaml
+++ b/Documentation/devicetree/bindings/watchdog/watchdog.yaml
@@ -14,9 +14,14 @@  description: |
   This document describes generic bindings which can be used to
   describe watchdog devices in a device tree.
 
+select:
+  properties:
+    $nodename:
+      pattern: "^watchdog(@.*|-[0-9a-f])?$"
+
 properties:
   $nodename:
-    pattern: "^watchdog(@.*|-[0-9a-f])?$"
+    pattern: "^(timer|watchdog)(@.*|-[0-9a-f])?$"
 
   timeout-sec:
     description: