Add documentation for Chrome EC codec driver.
Signed-off-by: Cheng-Yi Chiang cychiang@chromium.org --- Change in v4: - Add a property max-dmic-gain so we can configure maximum gain on dmic. - Add Guenter to the reviewer list.
.../bindings/sound/google,cros-ec-codec.txt | 26 +++++++++++++++++++ MAINTAINERS | 7 +++++ 2 files changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt
diff --git a/Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt b/Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt new file mode 100644 index 000000000000..1084f7f22eea --- /dev/null +++ b/Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt @@ -0,0 +1,26 @@ +* Audio codec controlled by ChromeOS EC + +Google's ChromeOS EC codec is a digital mic codec provided by the +Embedded Controller (EC) and is controlled via a host-command interface. + +An EC codec node should only be found as a sub-node of the EC node (see +Documentation/devicetree/bindings/mfd/cros-ec.txt). + +Required properties: +- compatible: Must contain "google,cros-ec-codec" +- #sound-dai-cells: Should be 1. The cell specifies number of DAIs. +- max-dmic-gain: A number for maximum gain in dB on digital microphone. + +Example: + +cros-ec@0 { + compatible = "google,cros-ec-spi"; + + ... + + cros_ec_codec: ec-codec { + compatible = "google,cros-ec-codec"; + #sound-dai-cells = <1>; + max-dmic-gain = <43>; + }; +}; diff --git a/MAINTAINERS b/MAINTAINERS index 4d04cebb4a71..a5678e4041e9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3688,6 +3688,13 @@ N: cros_ec N: cros-ec F: drivers/power/supply/cros_usbpd-charger.c
+CHROMEOS EC CODEC DRIVER +M: Cheng-Yi Chiang cychiang@chromium.org +S: Maintained +R: Enric Balletbo i Serra enric.balletbo@collabora.com +R: Guenter Roeck groeck@chromium.org +F: Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt + CIRRUS LOGIC AUDIO CODEC DRIVERS M: Brian Austin brian.austin@cirrus.com M: Paul Handrigan Paul.Handrigan@cirrus.com