[PATCH 2/3] arm64: dts: ti: k3-j721s2-main: Add audio_refclk node

Hari Prasath gehariprasath at ti.com
Fri Jan 16 02:29:21 PST 2026


On 12/01/26 4:15 pm, Moteen Shah wrote:
> From: Jayesh Choudhary <j-choudhary at ti.com>
> 
> On J721S2 SoC, the AUDIO_REFCLK1 can be used as input to external
> peripherals when configured through CTRL_MMR.
> Add audio_refclk1 node which would be used as system clock for
> audio codec PCM3168A.
> 
> Signed-off-by: Jayesh Choudhary <j-choudhary at ti.com>
> Signed-off-by: Moteen Shah <m-shah at ti.com>
> ---
>   arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 9 +++++++++
>   1 file changed, 9 insertions(+)
> 

Reviewed-by: Hari Prasath Gujulan Elango <gehariprasath at ti.com>

> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> index 80c51b11ac9f..3ecc7c973205 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> @@ -75,6 +75,15 @@ ehrpwm_tbclk: clock-controller at 140 {
>   			reg = <0x140 0x18>;
>   			#clock-cells = <1>;
>   		};
> +
> +		audio_refclk1: clock-controller at 42e4 {
> +			compatible = "ti,am62-audio-refclk";
> +			reg = <0x42e4 0x4>;
> +			clocks = <&k3_clks 157 299>;
> +			assigned-clocks = <&k3_clks 157 299>;
> +			assigned-clock-parents = <&k3_clks 157 328>;
> +			#clock-cells = <0>;
> +		};
>   	};
>   
>   	main_ehrpwm0: pwm at 3000000 {




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