A parameter description for the interruptions of the
I2S controller was added. This interrupt parameter
should only be set when I2S does not have DMA support.
Signed-off-by: Jose Abreu <joabreu@xxxxxxxxxxxx>
Cc: Carlos Palminha <palminha@xxxxxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Liam Girdwood <lgirdwood@xxxxxxxxx>
Cc: Jaroslav Kysela <perex@xxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Alexey Brodkin <abrodkin@xxxxxxxxxxxx>
Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx
Cc: alsa-devel@xxxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
Changes v6 -> v7:
* interrupts is now optional property
No changes v5 -> v6.
Changes v4 -> v5:
* interrupts is now required property
* Drop 'snps-use-dmaengine' property
This patch was only introduced in v4.
Documentation/devicetree/bindings/sound/designware-i2s.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/designware-i2s.txt b/Documentation/devicetree/bindings/sound/designware-i2s.txt
index 7bb5424..6a536d5 100644
--- a/Documentation/devicetree/bindings/sound/designware-i2s.txt
+++ b/Documentation/devicetree/bindings/sound/designware-i2s.txt
@@ -12,6 +12,10 @@ Required properties:
one for receive.
- dma-names : "tx" for the transmit channel, "rx" for the receive channel.
+Optional properties:
+ - interrupts: The interrupt line number for the I2S controller. Add this
+ parameter if the I2S controller that you are using does not support DMA.
+
For more details on the 'dma', 'dma-names', 'clock' and 'clock-names'
properties please check:
* resource-names.txt
--
1.9.1
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