ASoC: codecs: tlv320aic3x: add SPI to the DT binding

Commit Message

Jiri Prchal April 8, 2021, 6:07 a.m. UTC

Added note and example of SPI support.

Signed-off-by: Jiri Prchal <[e-mail]>
---
 .../devicetree/bindings/sound/tlv320aic3x.txt | 21 +++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

Comments

Mark Brown April 8, 2021, 4:54 p.m. UTC | #1

On Thu, 8 Apr 2021 08:07:41 +0200, Jiri Prchal wrote:
> Added note and example of SPI support.

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next

Thanks!

[1/1] ASoC: codecs: tlv320aic3x: add SPI to the DT binding
      commit: 38ec3006eccb46a6db6f4a36536f78db8e9042ac

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

Patch

diff --git a/Documentation/devicetree/bindings/sound/tlv320aic3x.txt b/Documentation/devicetree/bindings/sound/tlv320aic3x.txt
index 9796c4639262..20931a63fd64 100644
--- a/Documentation/devicetree/bindings/sound/tlv320aic3x.txt
+++ b/Documentation/devicetree/bindings/sound/tlv320aic3x.txt
@@ -1,6 +1,6 @@ 
 Texas Instruments - tlv320aic3x Codec module
 
-The tlv320aic3x serial control bus communicates through I2C protocols
+The tlv320aic3x serial control bus communicates through both I2C and SPI bus protocols
 
 Required properties:
 
@@ -63,7 +63,7 @@  CODEC input pins for other compatible codecs:
 
 The pins can be used in referring sound node's audio-routing property.
 
-Example:
+I2C example:
 
 #include <dt-bindings/gpio/gpio.h>
 
@@ -78,3 +78,20 @@  tlv320aic3x: tlv320aic3x@1b {
 	DRVDD-supply = <&regulator>;
 	DVDD-supply = <&regulator>;
 };
+
+SPI example:
+
+spi0: spi@f0000000 {
+	tlv320aic3x: codec@0 {
+		compatible = "ti,tlv320aic3x";
+		reg = <0>; /* CS number */
+		#sound-dai-cells = <0>;
+		spi-max-frequency = <1000000>;
+
+		AVDD-supply = <&regulator>;
+		IOVDD-supply = <&regulator>;
+		DRVDD-supply = <&regulator>;
+		DVDD-supply = <&regulator>;
+		ai3x-ocmv = <0>;
+	};
+};