On Wed, Dec 18, 2024 at 12:28:48PM +0530, Poojaa R wrote: > Only the driver files were existing for max98090 audio codec (playback and capture) but now the max98090.dts file is also included in linux/arch/arm/boot/dts/overlays/. > new file: arch/arm/boot/dts/overlays/max98090.dts > > Signed-off-by: Poojaa R <poojaamonica94@xxxxxxxxx> Why have you send this patch for your random github tree to lkml? Thanks, Conor. > --- > arch/arm/boot/dts/overlays/max98090.dts | 96 +++++++++++++++++++++++++ > 1 file changed, 96 insertions(+) > create mode 100644 arch/arm/boot/dts/overlays/max98090.dts > > diff --git a/arch/arm/boot/dts/overlays/max98090.dts b/arch/arm/boot/dts/overlays/max98090.dts > new file mode 100644 > index 000000000000..eaf197384edb > --- /dev/null > +++ b/arch/arm/boot/dts/overlays/max98090.dts > @@ -0,0 +1,96 @@ > +/* > + * Device Tree Overlay for MAX98090, MAX98091 Audio Codec. > + * https://github.com/Poojaa-Rangaiah/DeviceTreeOverlay-for-MAX98090 => for more details. > + * MAX98090 audio codec as master and Raspberry Pi as slave. > + */ > + > +/dts-v1/; > +/plugin/; > + > +/ { > + compatible = "brcm,bcm2835", "brcm,bcm2711"; > + > + fragment@0 { > + target = <&i2s_clk_consumer>; > + __overlay__ { > + status = "okay"; > + }; > + }; > + > + fragment@1 { > + target = <&i2c1>; > + __overlay__ { > + #address-cells = <1>; > + #size-cells = <0>; > + status = "okay"; > + max98090_codec: max98090@10 { > + #sound-dai-cells = <0>; > + compatible = "maxim,max98090","maxim,max98091"; > + reg = <0x10>; > + interrupt-parent = <&gpio>; > + interrupts = <27 2>; /* GPIO 27 as Edge_Falling_IRQ (2) */ > + maxim,micbias = <3>; > + status = "okay"; > + }; > + }; > + }; > + > + fragment@2 { > + target-path = "/"; > + __overlay__ { > + clk_oscillator: oscillator { > + compatible = "fixed-clock"; > + #clock-cells = <0>; > + clock-frequency = <12288000>; /* Frequency of the external oscillator (mclk = 12.288 MHz) but can also be 11.2896 MHz/12 MHz/13 MHz/26 MHz/19.2 MHz. */ > + clock-output-names = "mclk"; > + }; > + }; > + }; > + > + fragment@3 { > + target = <&sound>; > + sound_overlay: __overlay__ { > + compatible = "simple-audio-card"; > + simple-audio-card,format = "i2s"; > + simple-audio-card,name = "MAX98090-Codec"; > + simple-audio-card,bitclock-master = <&dailink0_master>; > + simple-audio-card,frame-master = <&dailink0_master>; > + > + simple-audio-card,widgets = > + "Microphone", "Mic Jack", > + "Speaker", "Speaker", > + "Line", "Line In", > + "Line", "Line Out", > + "Headphone", "Headphone Jack"; > + > + simple-audio-card,routing = > + "Headphone Jack", "HPL", > + "Headphone Jack", "HPR", > + "Line Out", "RCVL", > + "Line Out", "RCVR", > + /* Uncomment any of these below lines if the Line Input(s) is(are) used else leave it as such. */ > + //"IN5", "Line In", /* IN1/IN2/IN3/IN4/IN6 (For single ended input) */ > + //"IN56", "Line In", /* IN34 (For differential inputs) */ > + "MIC1", "Mic Jack", > + "MIC2", "Mic Jack", > + "Speaker", "SPKL", > + "Speaker", "SPKR"; > + > + status = "okay"; > + > + simple-audio-card,cpu { > + sound-dai = <&i2s_clk_consumer>; > + }; > + > + dailink0_master: simple-audio-card,codec { > + sound-dai = <&max98090_codec>; > + clocks = <&clk_oscillator>; > + }; > + }; > + }; > + > + __overrides__ { > + card-name = <&sound_overlay>, "simple-audio-card,name"; > + }; > +}; > + > -- > 2.34.1 > >
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