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-rw-r--r--Documentation/devicetree/bindings/sound/fsl,asrc.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/fsl,asrc.txt b/Documentation/devicetree/bindings/sound/fsl,asrc.txt
index b93362a570be..3e26a9478e57 100644
--- a/Documentation/devicetree/bindings/sound/fsl,asrc.txt
+++ b/Documentation/devicetree/bindings/sound/fsl,asrc.txt
@@ -25,6 +25,11 @@ Required properties:
"mem" Peripheral access clock to access registers.
"ipg" Peripheral clock to driver module.
"asrck_<0-f>" Clock sources for input and output clock.
+ "spba" The spba clock is required when ASRC is placed as a
+ bus slave of the Shared Peripheral Bus and when two
+ or more bus masters (CPU, DMA or DSP) try to access
+ it. This property is optional depending on the SoC
+ design.
- big-endian : If this property is absent, the little endian mode
will be in use as default. Otherwise, the big endian