On 22/02/2023 18:25, Luca Ceresoli wrote: > The MSC SM2-MB-EP1 carrier board for the SM2S-IMX8PLUS SMARC module has an > NXPP SGTL5000 audio codec connected to I2S-0 (sai2). > > This requires to: > > * add the power supplies (always on) > * enable sai2 with pinmuxes > * reparent the CLKOUT1 clock that feeds the codec SYS_MCLK to > IMX8MP_CLK_24M in order it to generate an accurate 24 MHz rate > > Signed-off-by: Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx> > --- > .../dts/freescale/imx8mp-msc-sm2s-ep1.dts | 60 +++++++++++++++++++ > 1 file changed, 60 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s-ep1.dts b/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s-ep1.dts > index 470ff8e31e32..894d9809f76d 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s-ep1.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s-ep1.dts > @@ -14,6 +14,57 @@ / { > compatible = "avnet,sm2s-imx8mp-14N0600E-ep1", > "avnet,sm2s-imx8mp-14N0600E", "avnet,sm2s-imx8mp", > "fsl,imx8mp"; > + > + reg_vcc_3v3_audio: 3v3_audio_regulator { No underscores in node names. > + compatible = "regulator-fixed"; > + regulator-name = "VCC_3V3_AUD"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + }; > + > + reg_vcc_1v8_audio: 1v8_audio_regulator { > + compatible = "regulator-fixed"; > + regulator-name = "VCC_1V8_AUD"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + }; > + > + sgtl5000-sound { Just: sound Best regards, Krzysztof