@@ -20,24 +20,8 @@ Required properties:
have.
- interrupt-parent: The phandle for the interrupt controller that
services interrupts for this device.
-- 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].
-- fsl,ssi-asynchronous:
- If specified, the SSI is to be programmed in asynchronous
- mode. In this mode, pins SRCK, STCK, SRFS, and STFS must
- all be connected to valid signals. In synchronous mode,
- SRCK and SRFS are ignored. Asynchronous mode allows
- playback and capture to use different sample sizes and
- sample rates. Some drivers may require that SRCK and STCK
- be connected together, and SRFS and STFS be connected
- together. This would still allow different sample sizes,
- but not different sample rates.
- clocks: "ipg" - Required clock for the SSI unit
"baud" - Required clock for SSI master mode. Otherwise this
clock is not used
@@ -61,6 +45,24 @@ Optional properties:
- fsl,mode: The operating mode for the AC97 interface only.
"ac97-slave" - AC97 mode, SSI is clock slave
"ac97-master" - AC97 mode, SSI is clock master
+- fsl,ssi-asynchronous:
+ If specified, the SSI is to be programmed in asynchronous
+ mode. In this mode, pins SRCK, STCK, SRFS, and STFS must
+ all be connected to valid signals. In synchronous mode,
+ SRCK and SRFS are ignored. Asynchronous mode allows
+ playback and capture to use different sample sizes and
+ sample rates. Some drivers may require that SRCK and STCK
+ be connected together, and SRFS and STFS be connected
+ together. This would still allow different sample sizes,
+ but not different sample rates.
+- 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.
+ Only used on Power Architecture.
+- 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.
+ Only used on Power Architecture.
Child 'codec' node required properties:
- compatible: Compatible list, contains the name of the codec
Properties 'fsl,ssi-asynchronous', 'fsl,playback-dma' and 'fsl,capture-dma' are optional, so move them under the optional section of the document. While at it mention that 'fsl,playback-dma' and 'fsl,capture-dma' only apply to Power Architecture. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> --- Changes since v1: - Combine the two previous changes into a single patch - Fix identation .../devicetree/bindings/sound/fsl,ssi.txt | 34 ++++++++++++---------- 1 file changed, 18 insertions(+), 16 deletions(-)