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authorMatthias Schiffer <matthias.schiffer@ew.tq-group.com>2020-09-01 10:50:03 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2020-09-07 09:11:32 +0200
commit1796164fac7e348f74a0f1f1cae995b22d002315 (patch)
tree83302a14097571bae627ec49a8505ab9e310358f /Documentation/devicetree/bindings/mmc
parente0c29be62cdc32605281024a662b2f8f690a3f77 (diff)
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@ew.tq-group.com> Link: https://lore.kernel.org/r/20200901085004.2512-1-matthias.schiffer@ew.tq-group.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc')
-rw-r--r--Documentation/devicetree/bindings/mmc/mmc-controller.yaml4
1 files changed, 4 insertions, 0 deletions
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:
$nodename:
pattern: "^mmc(@.*)?$"