Re: [PATCH v1 01/11] arm64: dts: freescale: imx8mm-verdin: Add SPI alias

[Frank Li <Frank.li@oss.nxp.com>]

On Thu, Nov 12, 2026 at 04:02:23PM +0100, Francesco Dolcini wrote:
> From: Francesco Dolcini <francesco.dolcini@toradex.com>
>
> The Verdin family pinout defines the SoM interfaces and their
> numbering, SPI_1 being the SPI bus available to the carrier board,
> implemented by ecspi2 on Verdin iMX8MM.
>
> imx8mm.dtsi numbers ecspi2 as spi1, so the Linux bus number in sysfs
> and the spidev name do not match the Verdin interface. Add a spi0
> alias in the SoM dtsi and delete the inherited spi1, so ecspi2 is
> bus 0, zero-based with SPI_1 being spi0, and carries a single alias.
> ecspi3, internal to the SoM with the CAN controller and the TPM, keeps
> the spi2 alias inherited from the SoC.
>
> Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
> index 1ac9d000d415..0369803a4d46 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
> @@ -16,6 +16,8 @@ chosen {
>  	aliases {
>  		rtc0 = &rtc_i2c;
>  		rtc1 = &snvs_rtc;
> +		spi0 = &ecspi2;
> +		/delete-property/ spi1;

Can you avoid delete property for new platform?

Frank

>  	};
>
>  	/* Fixed clock dedicated to SPI CAN controller */
> --
> 2.47.3
>
>