diff options
| author | Adrian Alonso <adrian.alonso@nxp.com> | 2017-12-01 10:21:28 -0600 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
| commit | 2267782fa058fea126f75ba2db2118d79bcdc34f (patch) | |
| tree | 31f4ef46aaeba75810cb94b93486677a9ac194eb /Documentation/devicetree/bindings/sound | |
| parent | 4be2f072721c6d60bbf0027c04530b73e2869a25 (diff) | |
MLK-16929-3: dts: arm64: fsl imx8mq evk pdm mic support
Add pdm mic support on imx8mq evk platform
Hardware modifications connect PDM mic:
PDM pin SAI-3 pad Test point
------------------------------------
BCLK SAI3_RXC TP1802
DATA SAI3_RXD TP1804
Signed-off-by: Adrian Alonso <adrian.alonso@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/imx-pdm-mic.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/imx-pdm-mic.txt b/Documentation/devicetree/bindings/sound/imx-pdm-mic.txt new file mode 100644 index 000000000000..bde8313cba7e --- /dev/null +++ b/Documentation/devicetree/bindings/sound/imx-pdm-mic.txt @@ -0,0 +1,16 @@ +Freescale i.MX audio complex PDM microphone + +Required properties: +- compatible: "fsl,imx-pdm-mic" +- model: The user-visible name of this sound complex +- audio-cpu : The phandle of the i.MX SAI controller +- decimation : The PDM decimation factor <64> + +Example: + +sound-pdm { + compatible = "fsl,imx-pdm-mic"; + model = "imx-pdm-audio"; + audio-cpu = <&sai3>; + decimation = <64>; +}; |