[PATCH v5 2/2] arm64: dts: ti: Add audio overlay for k3-j721s2-evm

Wang, Sen sen at ti.com
Thu May 28 20:09:09 PDT 2026


On 5/20/2026 6:56 AM, Moteen Shah wrote:
> From: Jayesh Choudhary <j-choudhary at ti.com>
> 
> Add device tree overlay to enable analog audio support on J721S2-EVM
> using PCM3168A codec connected to McASP4 serializers.
(snip)> +&scm_conf {
> +	#address-cells = <1>;
> +	#size-cells = <1>;
> +
> +	audio_refclk1: clock-controller at 42e4 {
> +		compatible = "ti,j721s2-audio-refclk", "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>;
> +	};
> +};

Hi Moteen,

Should the bulk of this scm_conf block go to the SoC-dtsi instead? It 
looks like it could be a part of J721 SoC dtsi, which currently doesn't 
seem to have any audio refclks defined.

Best,
Sen Wang




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