[PATCH] dt: bindings: Make compatible optional for mmc function nodes
From: Hans de Goede <hidden>
Date: 2016-07-16 20:16:15
Also in:
linux-mmc
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
mmc/sdio is an enumerable bus, so usually the os can find out which device is attached without needing a compatible. Sometimes it is desirable to have a mmc function node, without having to make up an otherwise unused compatible for the node, so make the compatible properties optional. Cc: Arnd Bergmann <redacted> Cc: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> Signed-off-by: Hans de Goede <redacted> --- Documentation/devicetree/bindings/mmc/mmc.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
index ed23b9b..a96c338 100644
--- a/Documentation/devicetree/bindings/mmc/mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc.txt@@ -98,11 +98,13 @@ Required host node properties when using function subnodes: - #size-cells: should be zero. Required function subnode properties: -- compatible: name of SDIO function following generic names recommended practice - reg: Must contain the SDIO function number of the function this subnode describes. A value of 0 denotes the memory SD function, values from 1 to 7 denote the SDIO functions. +Optional function subnode properties: +- compatible: name of SDIO function following generic names recommended practice + Examples --------
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2.7.4
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