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
Cc: Carlos Palminha
Cc: Mark Brown
Cc: Liam Girdwood
Cc: Jaroslav Kysela
Cc: Takashi Iwai
Cc: Rob Herring
Cc: Alexey Brodkin
Cc: linux-snps-arc@lists.infradead.org
Cc: alsa-de...@alsa-project.org
Cc: devicet...@vger.kernel.org
Cc: linux-ker...@vger.kernel.org
---
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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