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-rw-r--r--dts/Bindings/sound/mrvl,pxa-ssp.txt16
1 files changed, 11 insertions, 5 deletions
diff --git a/dts/Bindings/sound/mrvl,pxa-ssp.txt b/dts/Bindings/sound/mrvl,pxa-ssp.txt
index 74c9ba6..feef39b 100644
--- a/dts/Bindings/sound/mrvl,pxa-ssp.txt
+++ b/dts/Bindings/sound/mrvl,pxa-ssp.txt
@@ -5,24 +5,30 @@ Required properties:
compatible Must be "mrvl,pxa-ssp-dai"
port A phandle reference to a PXA ssp upstream device
+Optional properties:
+
+ clock-names
+ clocks Through "clock-names" and "clocks", external clocks
+ can be configured. If a clock names "extclk" exists,
+ it will be set to the mclk rate of the audio stream
+ and be used as clock provider of the DAI.
+
Example:
/* upstream device */
- ssp0: ssp@41000000 {
+ ssp1: ssp@41000000 {
compatible = "mrvl,pxa3xx-ssp";
reg = <0x41000000 0x40>;
interrupts = <24>;
clock-names = "pxa27x-ssp.0";
- dmas = <&dma 13
- &dma 14>;
- dma-names = "rx", "tx";
};
/* DAI as user */
ssp_dai0: ssp_dai@0 {
compatible = "mrvl,pxa-ssp-dai";
- port = <&ssp0>;
+ port = <&ssp1>;
+ #sound-dai-cells = <0>;
};