[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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