linux-kernel - [PATCH 3/7] dt-bindings: rtc: restrict node name suffixes

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Message-Id: <20230530144851.92059-4-krzysztof.kozlowski@linaro.org>
Date:   Tue, 30 May 2023 16:48:47 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Dipen Patel <dipenp@...dia.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Dilip Kota <eswara.kota@...ux.intel.com>,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org,
        linux-rtc@...r.kernel.org, alsa-devel@...a-project.org,
        linux-spi@...r.kernel.org, timestamp@...ts.linux.dev,
        linux-watchdog@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Tony Lindgren <tony@...mide.com>,
        Oleksij Rempel <o.rempel@...gutronix.de>
Subject: [PATCH 3/7] 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@...nel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Cc: Tony Lindgren <tony@...mide.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>
---
 Documentation/devicetree/bindings/rtc/rtc.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/rtc/rtc.yaml b/Documentation/devicetree/bindings/rtc/rtc.yaml
index c6fff5486fe6..efb66df82782 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
-- 
2.34.1