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Message-ID: <20211227083641.12538-2-axe.yang@mediatek.com>
Date: Mon, 27 Dec 2021 16:36:39 +0800
From: Axe Yang <axe.yang@...iatek.com>
To: Ulf Hansson <ulf.hansson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Chaotian Jing <chaotian.jing@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Adrian Hunter <adrian.hunter@...el.com>
CC: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
Satya Tangirala <satyat@...gle.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Wolfram Sang <wsa+renesas@...g-engineering.com>,
Axe Yang <axe.yang@...iatek.com>, Lucas Stach <dev@...xeye.de>,
Eric Biggers <ebiggers@...gle.com>,
Andrew Jeffery <andrew@...id.au>,
Stephen Boyd <swboyd@...omium.org>,
Kiwoong Kim <kwmad.kim@...sung.com>,
Yue Hu <huyue2@...ong.com>, Tian Tao <tiantao6@...ilicon.com>,
<linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>
Subject: [PATCH v1 1/3] dt-bindings: mmc: add cap-sdio-async-int flag
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@...iatek.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 25ac8e200970..7230421583c6 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-int:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ SDIO async interrupt is supported.
+
cap-sdio-irq:
$ref: /schemas/types.yaml#/definitions/flag
description:
--
2.25.1
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