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dt-bindings: SLIMBus: add slim devices optional properties 

This patch adds an optional SLIMBus Interface device phandle property
that could be used by some of the SLIMBus devices.

Interface device is mostly used with devices that are dealing
with streaming.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200109103148.5612-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Srinivas Kandagatla 2020-01-09 10:31:45 +00:00 committed by Greg Kroah-Hartman
parent 7483e7a939
commit 884a90bdf4
1 changed files with 10 additions and 0 deletions
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10
Documentation/devicetree/bindings/slimbus/bus.txt
View File

@ -32,6 +32,10 @@ Required property for SLIMbus child node if it is present:
Product Code, shall be in lower case hexadecimal with leading
zeroes suppressed
Optional property for SLIMbus child node if it is present:
- slim-ifc-dev - Should be phandle to SLIMBus Interface device.
Required for devices which deal with streams.
SLIMbus example for Qualcomm's slimbus manager component:
slim@28080000 {
@ -43,8 +47,14 @@ SLIMbus example for Qualcomm's slimbus manager component:
#address-cells = <2>;
#size-cell = <0>;
codec_ifd: ifd@0,0{
compatible = "slim217,60";
reg = <0 0>;
};
codec: wcd9310@1,0{
compatible = "slim217,60";
reg = <1 0>;
slim-ifc-dev = <&codec_ifd>;
};
};