| Message ID | 20190321221549.13765-3-jcormier@criticallink.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ASoC: tlv320aic26: Add device tree support and bug fixes | expand |
On Thu, Mar 21, 2019 at 06:15:44PM -0400, Cormier, Jonathan wrote: > Add support for the TI tlv320aic26 sound codec > > Signed-off-by: Cormier, Jonathan <jcormier@criticallink.com> > --- > .../devicetree/bindings/sound/tlv320aic26.txt | 65 +++++++++++++++++++ > 1 file changed, 65 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/tlv320aic26.txt > > diff --git a/Documentation/devicetree/bindings/sound/tlv320aic26.txt b/Documentation/devicetree/bindings/sound/tlv320aic26.txt > new file mode 100644 > index 000000000000..93aa0f76ec0d > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/tlv320aic26.txt > @@ -0,0 +1,65 @@ > +Texas Instruments - tlv320aic26 Codec module > + > +The tlv320aic26 serial control bus communicates through I2C protocols > + > +Required properties: > + > +- compatible - "string" - One of: > + "ti,tlv320aic26" - TLV320AIC26 > +- reg - <int> - SPI chip select > + > +CODEC input pins: > + * MICIN > + * AUX > + > +CODEC output pins: > + * HPL > + * HPR > + > +The pins can be used in referring sound node's audio-routing property. > + > +Example: > + > +tlv320aic26: tlv320aic26@0 { audio-codec@0 > + compatible = "ti,tlv320aic26"; > + reg = <0>; > +}; > + > +&spi0 { > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&spi0_pins>; > + pinctrl-1 = <&spi0_sleep_pins>; > + > + status = "okay"; Don't show status in examples. > + ti,pindir-d0-out-d1-in = <1>; > + > + tlv320aic26: tlv320aic26@1 { This split is convention, but outside the scope of binding docs, so please just show the complete node. > + compatible = "ti,tlv320aic26"; > + reg = <0x1>; > + status = "okay"; > + > + spi-max-frequency = <2000000>; > + spi-cpha; > + }; > +}; > + > +sound { > + compatible = "simple-audio-card"; > + simple-audio-card,name = "AM335x_SND"; > + simple-audio-card,format = "dsp_b"; > + /* SND_SOC_DAIFMT_CBM_CFM */ > + simple-audio-card,bitclock-master = <&tlv320aic26_codec>; > + simple-audio-card,frame-master = <&tlv320aic26_codec>; > + /* SND_SOC_DAIFMT_IB_NF */ > + simple-audio-card,bitclock-inversion; > + > + simple-audio-card,cpu { > + sound-dai = <&mcasp1>; > + system-clock-frequency = <24576000>; > + }; > + > + tlv320aic26_codec: simple-audio-card,codec { > + sound-dai = <&tlv320aic26>; > + system-clock-frequency = <24576000>; > + }; > +}; > -- > 2.21.0 >
diff --git a/Documentation/devicetree/bindings/sound/tlv320aic26.txt b/Documentation/devicetree/bindings/sound/tlv320aic26.txt new file mode 100644 index 000000000000..93aa0f76ec0d --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tlv320aic26.txt @@ -0,0 +1,65 @@ +Texas Instruments - tlv320aic26 Codec module + +The tlv320aic26 serial control bus communicates through I2C protocols + +Required properties: + +- compatible - "string" - One of: + "ti,tlv320aic26" - TLV320AIC26 +- reg - <int> - SPI chip select + +CODEC input pins: + * MICIN + * AUX + +CODEC output pins: + * HPL + * HPR + +The pins can be used in referring sound node's audio-routing property. + +Example: + +tlv320aic26: tlv320aic26@0 { + compatible = "ti,tlv320aic26"; + reg = <0>; +}; + +&spi0 { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&spi0_pins>; + pinctrl-1 = <&spi0_sleep_pins>; + + status = "okay"; + ti,pindir-d0-out-d1-in = <1>; + + tlv320aic26: tlv320aic26@1 { + compatible = "ti,tlv320aic26"; + reg = <0x1>; + status = "okay"; + + spi-max-frequency = <2000000>; + spi-cpha; + }; +}; + +sound { + compatible = "simple-audio-card"; + simple-audio-card,name = "AM335x_SND"; + simple-audio-card,format = "dsp_b"; + /* SND_SOC_DAIFMT_CBM_CFM */ + simple-audio-card,bitclock-master = <&tlv320aic26_codec>; + simple-audio-card,frame-master = <&tlv320aic26_codec>; + /* SND_SOC_DAIFMT_IB_NF */ + simple-audio-card,bitclock-inversion; + + simple-audio-card,cpu { + sound-dai = <&mcasp1>; + system-clock-frequency = <24576000>; + }; + + tlv320aic26_codec: simple-audio-card,codec { + sound-dai = <&tlv320aic26>; + system-clock-frequency = <24576000>; + }; +};
Add support for the TI tlv320aic26 sound codec Signed-off-by: Cormier, Jonathan <jcormier@criticallink.com> --- .../devicetree/bindings/sound/tlv320aic26.txt | 65 +++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tlv320aic26.txt