This adds the schema binding for the Iron Device SMA1303 amplifier. Signed-off-by: Kiseok Jo <kiseok.jo@xxxxxxxxxxxxxx> --- .../bindings/sound/irondevice,sma1303.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml diff --git a/Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml b/Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml new file mode 100644 index 000000000000..e11e74d367c0 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/irondevice,sma1303.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Iron Device SMA1303 Audio Amplifier + +maintainers: + - Kiseok Jo <kiseok.jo@xxxxxxxxxxxxxx> + +description: + SMA1303 digital class-D audio amplifier with an integrated boost converter. + +allOf: + - $ref: name-prefix.yaml# + +properties: + compatible: + const: irondevice,sma1303 + + reg: + description: + I2C address of the amplifier. See the datasheet for possible values. + + init-vol: + description: + Initial speaker volume level. + If specified, the driver will assert speaker volume value at probe time. + If not, default hardcoded value(0x30 / 0dB) was reflected. + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 0 + maximum: 255 + default: 49 + + stereo-two-chip: + description: + Stereo for two chip solution + +required: + - compatible + - reg + +additionalProperties: true + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + i2c_bus { + sma1303_amp: sma1303@1e { + compatible = "irondevice,sma1303"; + reg = <0x1e>; + init-vol = <0x31>; + stereo-two-chip; + }; + }; \ No newline at end of file -- 2.30.2
