linux-kernel - [PATCH] dt-bindings: mmc: cdns: add card-detect-delay property

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Message-Id: <20220811203151.179258-1-mail@conchuod.ie>
Date:   Thu, 11 Aug 2022 21:31:52 +0100
From:   Conor Dooley <mail@...chuod.ie>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Piotr Sroka <piotrs@...ence.com>, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH] dt-bindings: mmc: cdns: add card-detect-delay property

From: Conor Dooley <conor.dooley@...rochip.com>

Upgrading dt-schema to v2022.08 brings with it better handling of
unevaluatedProperties, exposing a previously undetected missing
property in the cadence sdhci dt-binding:
arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dtb: mmc@...08000: Unevaluated properties are not allowed ('card-detect-delay' was unexpected)
        From schema: Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
Should this have a fixes tag? If anything, it'd be
Fixes: 84723eec251d ("dt-bindings: mmc: cdns: document Microchip MPFS MMC/SDHCI controller")
but idk.
---
 Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
index 4207fed62dfe..99f89eb19356 100644
--- a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
@@ -112,6 +112,13 @@ properties:
     minimum: 0
     maximum: 0x7f
 
+  card-detect-delay:
+    description:
+      Delay in milli-seconds before detecting card after card
+      insert event. The default value is 0.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 0
+
 required:
   - compatible
   - reg
-- 
2.37.1