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-rw-r--r--dts/Bindings/sound/amlogic,axg-pdm.txt6
1 files changed, 5 insertions, 1 deletions
diff --git a/dts/Bindings/sound/amlogic,axg-pdm.txt b/dts/Bindings/sound/amlogic,axg-pdm.txt
index 73f473a936..716878107a 100644
--- a/dts/Bindings/sound/amlogic,axg-pdm.txt
+++ b/dts/Bindings/sound/amlogic,axg-pdm.txt
@@ -2,7 +2,8 @@
Required properties:
- compatible: 'amlogic,axg-pdm' or
- 'amlogic,g12a-pdm'
+ 'amlogic,g12a-pdm' or
+ 'amlogic,sm1-pdm'
- reg: physical base address of the controller and length of memory
mapped region.
- clocks: list of clock phandle, one for each entry clock-names.
@@ -12,6 +13,9 @@ Required properties:
* "sysclk" : dsp system clock
- #sound-dai-cells: must be 0.
+Optional property:
+- resets: phandle to the dedicated reset line of the pdm input.
+
Example of PDM on the A113 SoC:
pdm: audio-controller@ff632000 {