linux-kernel - [PATCH 11/13] dt-bindings: serial: restrict possible child node names

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Date:   Mon, 23 Jan 2023 16:13:00 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Lubomir Rintel <lkundrak@...sk>,
        - <devicetree@...r.kernel.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Michal Simek <michal.simek@...inx.com>,
        Chester Lin <clin@...e.com>, Fugang Duan <fugang.duan@....com>,
        Magnus Damm <magnus.damm@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Pragnesh Patel <pragnesh.patel@...ive.com>,
        Le Ray <erwan.leray@...s.st.com>,
        Peter Korsgaard <jacmet@...site.dk>,
        Tomer Maimon <tmaimon77@...il.com>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-riscv@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 11/13] dt-bindings: serial: restrict possible child node names

The re-usable serial.yaml schema matches every property with ".*"
pattern, thus any other schema referencing it will not report unknown
(unevaluated) properties.  This hides several wrong properties.  It is
a limitation of dtschema, thus provide a simple workaround: expect
children to be only of few names matching upstream usage (Bluetooth,
GNSS, GPS and MCU).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 Documentation/devicetree/bindings/serial/serial.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/serial/serial.yaml b/Documentation/devicetree/bindings/serial/serial.yaml
index 11e822bf09e2..21992e9a3c2b 100644
--- a/Documentation/devicetree/bindings/serial/serial.yaml
+++ b/Documentation/devicetree/bindings/serial/serial.yaml
@@ -96,7 +96,7 @@ then:
     rts-gpios: false
 
 patternProperties:
-  ".*":
+  "^bluetooth|gnss|gps|mcu$":
     if:
       type: object
     then:
-- 
2.34.1