From: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
To: Ulf Hansson <ulf.hansson@linaro.org>, Rob Herring <robh+dt@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>,
linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Subject: [PATCH mmc-next v4 1/2] dt-bindings: mmc: document alias support
Date: Tue, 1 Sep 2020 10:50:03 +0200 [thread overview]
Message-ID: <20200901085004.2512-1-matthias.schiffer@ew.tq-group.com> (raw)
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@ew.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
next reply other threads:[~2020-09-01 8:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-01 8:50 Matthias Schiffer [this message]
2020-09-01 8:50 ` [PATCH mmc-next v4 2/2] mmc: allow setting slot index via device tree alias Matthias Schiffer
2020-09-02 9:03 ` Ulf Hansson
2020-09-02 9:03 ` [PATCH mmc-next v4 1/2] dt-bindings: mmc: document alias support Ulf Hansson
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