[alsa-devel] [PATCH v2 11/11] ASoC: fsl: Update fsl-ssi binding doc
mpa at pengutronix.de
Sun Apr 7 21:25:21 CEST 2013
Update the fsl-ssi bindings. DMA is no required property anymore and
uses the generic DMA bindings. imx-fiq is a new alternative to DMA
Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
Documentation/devicetree/bindings/sound/fsl,ssi.txt | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/fsl,ssi.txt b/Documentation/devicetree/bindings/sound/fsl,ssi.txt
index 5ff76c9..46282ec 100644
@@ -24,12 +24,6 @@ Required properties:
"rj-master" - r.j., SSI is clock master
"ac97-slave" - AC97 mode, SSI is clock slave
"ac97-master" - AC97 mode, SSI is clock master
-- fsl,playback-dma: Phandle to a node for the DMA channel to use for
- playback of audio. This is typically dictated by SOC
- design. See the notes below.
-- fsl,capture-dma: Phandle to a node for the DMA channel to use for
- capture (recording) of audio. This is typically dictated
- by SOC design. See the notes below.
- fsl,fifo-depth: The number of elements in the transmit and receive FIFOs.
This number is the maximum allowed value for SFCSR[TFWM0].
@@ -43,10 +37,17 @@ Required properties:
together. This would still allow different sample sizes,
but not different sample rates.
+Note that either dmas, dma-names or fsl,imx-fiq are required.
- codec-handle: Phandle to a 'codec' node that defines an audio
codec connected to this SSI. This node is typically
a child of an I2C or other control node.
+- dmas: Generic dma devicetree binding as described in
+- dma-names: Two dmas have to be defined, "tx" and "rx", if fsl,imx-fiq
+ is not defined.
+- fsl,imx-fiq: Bool property. Use imx-pcm-fiq instead of imx-pcm-dma.
Child 'codec' node required properties:
- compatible: Compatible list, contains the name of the codec
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