github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-27 17:47:41 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ASoC: dt-bindings: cirrus,cs42xx8: Add SPI bus support

Browse Source 
Codec CS42448/CS42888 supports multiple control interfaces. At present,
only the I2C interface is implemented. Adding support for the SPI
control interface, operating at up to 6MHz.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260603095041.3906558-2-chancel.liu@oss.nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Chancel Liu 2026-06-03 18:50:40 +09:00 committed by Mark Brown
parent e43ffb69e0
commit 596f8d6494
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
Documentation/devicetree/bindings/sound/cirrus,cs42xx8.yaml
View File

@ -11,6 +11,7 @@ maintainers:
allOf:
- $ref: dai-common.yaml#
- $ref: /schemas/spi/spi-peripheral-props.yaml#
properties:
compatible:
@ -21,6 +22,9 @@ properties:
reg:
maxItems: 1
spi-max-frequency:
maximum: 6000000
clocks:
minItems: 1
maxItems: 2
@ -86,3 +90,22 @@ examples:
reset-gpios = <&gpio 1>;
};
};
spi {
#address-cells = <1>;
#size-cells = <0>;
cs-gpios = <&gpio 8 0>;
codec@0 {
compatible = "cirrus,cs42888";
reg = <0>;
spi-max-frequency = <6000000>;
clocks = <&codec_mclk 0>;
clock-names = "mclk";
VA-supply = <&reg_audio>;
VD-supply = <&reg_audio>;
VLS-supply = <&reg_audio>;
VLC-supply = <&reg_audio>;
reset-gpios = <&gpio 1>;
};
};