Messages in this thread | | | Date | Tue, 30 Jul 2019 13:27:48 +0100 | From | Charles Keepax <> | Subject | Re: [PATCH v2 1/3] dt-bindings: ASoC: Add TDA7802 amplifier |
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On Tue, Jul 30, 2019 at 01:09:35PM +0100, Thomas Preston wrote: > Signed-off-by: Thomas Preston <thomas.preston@codethink.co.uk> > Cc: Patrick Glaser <pglaser@tesla.com> > Cc: Rob Duncan <rduncan@tesla.com> > Cc: Nate Case <ncase@tesla.com> > --- > .../devicetree/bindings/sound/tda7802.txt | 26 +++++++++++++++++++ > 1 file changed, 26 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/tda7802.txt > > diff --git a/Documentation/devicetree/bindings/sound/tda7802.txt b/Documentation/devicetree/bindings/sound/tda7802.txt > new file mode 100644 > index 000000000000..f80aaf4f1ba0 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/tda7802.txt > @@ -0,0 +1,26 @@ > +ST TDA7802 audio processor > + > +This device supports I2C only. > + > +Required properties: > + > +- compatible : "st,tda7802" > +- reg : the I2C address of the device > +- enable-supply : a regulator spec for the PLLen pin > + > +Optional properties: > + > +- st,gain-ch13 : gain for channels 1 and 3 (range: 1-4) > +- st,gain-ch24 : gain for channels 2 and 3 (range: 1-4)
I wouldn't have expected the gains to be available as a device tree setting.
> +- st,diagnostic-mode-ch13 : diagnotic mode for channels 1 and 3 > + values: "Speaker" (default), "Booster" > +- st,diagnostic-mode-ch24 : diagnotic mode for channels 2 and 4 > + values: "Speaker" (default), "Booster" > + > +Example: > + > +amp: tda7802@6c { > + compatible = "st,tda7802"; > + reg = <0x6c>; > + enable-supply = <&_enable_reg>; > +}; > -- > 2.21.0 >
Thanks, Charles
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