Re: [PATCH v3 10/12] arm64: dts: imx8qm: add 24MHz clock-xtal24m

Laurent Pinchart
2025-03-27T18:58:38Z

Hi Frank,

Thank you for the patch.

On Mon, Feb 10, 2025 at 03:59:29PM -0500, Frank Li wrote:
> Add fixed clock node clock-xtal24m to prepare to add camera support.
>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
> ---
> change from v1 to v3
> - none
> ---
> arch/arm64/boot/dts/freescale/imx8qm.dtsi | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8qm.dtsi b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> index c6a17a0d739c5..40cd45cd9f88f 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> @@ -590,6 +590,13 @@ mipi_pll_div2_clk: clock-controller-mipi-div2-pll {
> clock-output-names = "mipi_pll_div2_clk";
> };
>
> + xtal24m: clock-xtal24m {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <24000000>;
> + clock-output-names = "xtal_24MHz";
> + };

This is a clock oscillator mounted on the PCB, isn't it ? It shouldn't
be in imx8qm.dtsi, but in board-specific DT sources.

> +
> vpu_subsys_dsp: bus@55000000 {
> compatible = "simple-bus";
> #address-cells = <1>;

--
Regards,

Laurent Pinchart