[PATCH v2 2/4] ASoC: dt-bindings: fsl,sai: Add AUDMIX mode support on i.MX952
From: Shengjiu Wang <hidden>
Date: 2026-01-20 03:53:01
Also in:
imx, linux-arm-kernel, linux-sound, linuxppc-dev, lkml
Subsystem:
open firmware and flattened device tree bindings, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Liam Girdwood, Mark Brown, Linus Torvalds
The SAI can connect to AUDMIX, but AUDMIX can be bypassed or not on i.MX952, so add 'fsl,sai-amix-mode' property for this feature, with this property present, then SAI driver will try to config the setting, fsl,sai-amix-mode = <0> is bypass mode, fsl,sai-amix-mode = <1> is the AUDMIX mode. Signed-off-by: Shengjiu Wang <redacted> --- .../devicetree/bindings/sound/fsl,sai.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/fsl,sai.yaml b/Documentation/devicetree/bindings/sound/fsl,sai.yaml
index d838ee0b61cb..7808c324eebc 100644
--- a/Documentation/devicetree/bindings/sound/fsl,sai.yaml
+++ b/Documentation/devicetree/bindings/sound/fsl,sai.yaml@@ -133,6 +133,13 @@ properties: - description: dataline mask for 'rx' - description: dataline mask for 'tx' + fsl,sai-amix-mode: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The audmix module is bypassed from hardware or not. + Bypass AUDMIX(0), AUDMIX mode(1) + enum: [0, 1] + fsl,sai-mclk-direction-output: description: SAI will output the SAI MCLK clock. type: boolean
@@ -180,6 +187,15 @@ allOf: properties: fsl,sai-synchronous-rx: false + - if: + required: + - fsl,sai-amix-mode + then: + properties: + compatible: + contains: + const: fsl,imx952-sai + required: - compatible - reg
--
2.34.1