linux-kernel - [PATCH 2/2] dt-bindings: mmc: mmc-pwreq-simple: Accept more than one reset GPIO

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Message-Id: <20200831161147.13515-2-krzk@kernel.org>
Date:   Mon, 31 Aug 2020 18:11:47 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mmc@...r.kernel.org
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Sylwester Nawrocki <snawrocki@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 2/2] dt-bindings: mmc: mmc-pwreq-simple: Accept more than one reset GPIO

There might be multiple reset GPIOs but dtschema has trouble parsing it
if there are no maxItems:

  arch/arm/boot/dts/exynos5250-snow.dt.yaml: mmc3_pwrseq: reset-gpios: [[20, 2, 1], [20, 1, 1]] is too long
    From schema: Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml
index 449215444723..8d625f903856 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml
+++ b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml
@@ -20,6 +20,8 @@ properties:
 
   reset-gpios:
     minItems: 1
+    # Put some limit to avoid false warnings
+    maxItems: 32
     description:
       contains a list of GPIO specifiers. The reset GPIOs are asserted
       at initialization and prior we start the power up procedure of the card.
-- 
2.17.1