SAI supports up to 8 data lines. This property let the user configure how many data lines should be used per transfer direction (Tx/Rx).
Signed-off-by: Daniel Baluta daniel.baluta@nxp.com --- Documentation/devicetree/bindings/sound/fsl-sai.txt | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/fsl-sai.txt b/Documentation/devicetree/bindings/sound/fsl-sai.txt index 2e726b983845..2b38036a4883 100644 --- a/Documentation/devicetree/bindings/sound/fsl-sai.txt +++ b/Documentation/devicetree/bindings/sound/fsl-sai.txt @@ -49,6 +49,13 @@ Optional properties:
- big-endian : Boolean property, required if all the SAI registers are big-endian rather than little-endian. + - fsl,dl-mask : list of two integers (bitmask, first for RX, second + for TX) representing enabled datalines. Bit 0 + represents first data line, bit 1 represents second + data line and so on. Data line is enabled if + corresponding bit is set to 1. By default, if property + not present, only dataline 0 is enabled for both + directions.
Optional properties (for mx6ul):