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Message-Id: <20200901085004.2512-1-matthias.schiffer@ew.tq-group.com>
Date: Tue, 1 Sep 2020 10:50:03 +0200
From: Matthias Schiffer <matthias.schiffer@...tq-group.com>
To: Ulf Hansson <ulf.hansson@...aro.org>,
Rob Herring <robh+dt@...nel.org>
Cc: Sascha Hauer <s.hauer@...gutronix.de>, linux-mmc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH mmc-next v4 1/2] dt-bindings: mmc: document alias support
As for I2C and SPI, it now is possible to reserve a fixed index for
mmc/mmcblk devices.
Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
v4: moved alias documentation from example to description
v3: new patch
Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
index b96da0c7f819..f928f66fc59a 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
+++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
@@ -14,6 +14,10 @@ description: |
that requires the respective functionality should implement them using
these definitions.
+ It is possible to assign a fixed index mmcN to an MMC host controller
+ (and the corresponding mmcblkN devices) by defining an alias in the
+ /aliases device tree node.
+
properties:
$nodename:
pattern: "^mmc(@.*)?$"
--
2.17.1
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