From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Tue, 30 May 2023 14:48:47 +0000 (+0200)
Subject: dt-bindings: rtc: restrict node name suffixes
X-Git-Tag: v6.6.7~2455^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=93eff1e0e67a0b54fc16f07f0ca88f8b5afd9f89;p=platform%2Fkernel%2Flinux-starfive.git

dt-bindings: rtc: restrict node name suffixes

Make the pattern matching node names a bit stricter to improve DTS
consistency.  The pattern is restricted to:
1. Only one unit address or one -N suffix,
2. -N suffixes to decimal numbers.

Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20230530144851.92059-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---

diff --git a/Documentation/devicetree/bindings/rtc/rtc.yaml b/Documentation/devicetree/bindings/rtc/rtc.yaml
index c6fff54..efb66df 100644
--- a/Documentation/devicetree/bindings/rtc/rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/rtc.yaml
@@ -15,7 +15,7 @@ description: |
 
 properties:
   $nodename:
-    pattern: "^rtc(@.*|-[0-9a-f])*$"
+    pattern: "^rtc(@.*|-([0-9]|[1-9][0-9]+))?$"
 
   aux-voltage-chargeable:
     $ref: /schemas/types.yaml#/definitions/uint32