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From: Axe Yang <axe.yang@mediatek.com>
To: Ulf Hansson <ulf.hansson@linaro.org>, Rob Herring <robh+dt@kernel.org>,
 Chaotian Jing <chaotian.jing@mediatek.com>,
 Matthias Brugger <matthias.bgg@gmail.com>,
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CC: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
 Satya Tangirala <satyat@google.com>,
 Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
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 Axe Yang <axe.yang@mediatek.com>, Lucas Stach <dev@lynxeye.de>,
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Subject: [RESEND v3 1/3] dt-bindings: mmc: add cap-sdio-async-irq flag
Date: Mon, 17 Jan 2022 16:25:37 +0800
Message-ID: <20220117082539.18713-2-axe.yang@mediatek.com>
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Asynchronous interrupt is a mechanism that allow SDIO devices alarm
interrupt when host stop providing clock to card. Add a DT flag to
enable this feature if it is supported by SDIO card.

Signed-off-by: Axe Yang <axe.yang@mediatek.com>
---
 Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
index 513f3c8758aa..16fb06f88471 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
+++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
@@ -165,6 +165,11 @@ properties:
     description:
       eMMC hardware reset is supported
 
+  cap-sdio-async-irq:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      SDIO async interrupt is supported.
+
   cap-sdio-irq:
     $ref: /schemas/types.yaml#/definitions/flag
     description: