[alsa-devel] [PATCH v4 1/2] ASoC: Documentation: Add google, cros-ec-codec

[Enric Balletbo Serra]

+ devicetree at vger.kernel.org, Rob Herring <robh+dt at kernel.org> and
Mark Rutland <mark.rutland at arm.com>

Missatge de Cheng-Yi Chiang <cychiang at chromium.org> del dia ds., 19 de
gen. 2019 a les 12:34:
>
> Add documentation for Chrome EC codec driver.
>
> Signed-off-by: Cheng-Yi Chiang <cychiang at 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 at 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 at chromium.org>
> +S:     Maintained
> +R:     Enric Balletbo i Serra <enric.balletbo at collabora.com>
> +R:     Guenter Roeck <groeck at chromium.org>
> +F:     Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt
> +
>  CIRRUS LOGIC AUDIO CODEC DRIVERS
>  M:     Brian Austin <brian.austin at cirrus.com>
>  M:     Paul Handrigan <Paul.Handrigan at cirrus.com>
> --
> 2.20.1.321.g9e740568ce-goog
>
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