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SubjectRe: [PATCH] arm64: dts: imx8mp-msc-sm2s: Add sound card
From
On 2/22/23 18:59, Marco Felsch wrote:
> Hi Luca,
>
> On 23-02-22, 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@bootlin.com>
>> ---
>> .../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";
>
> ...
>
>> +/* I2S-0 = sai2 */
>> +&sai2 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_sai2>;
>> +
>> + assigned-clocks = <&clk IMX8MP_CLK_SAI2>;
>> + assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
>> + assigned-clock-rates = <12288000>;
>> +
>> + fsl,sai-mclk-direction-output;
>> + status = "okay";
>> };
>
> Do you have some downstream patches for the sai interfaces? AFAIR Marek
> worked on this but the patches are not mainlien yet.

I guess it is time to resubmit these.

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