[PATCH 1/2] arm64: dts: imx8mm: Memory node should be in board DT

Peng Fan peng.fan at nxp.com
Wed Jan 8 01:24:25 PST 2020


> Cc: dl-linux-imx <linux-imx at nxp.com>
> Subject: [PATCH 1/2] arm64: dts: imx8mm: Memory node should be in board
> DT
> 
> Memory address/size depends on board design, so memory node should be in
> board DT.

Not sure it really matters, bootloader will update/create memory node of device
tree.

Regards,
Peng.

> 
> Signed-off-by: Anson Huang <Anson.Huang at nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 5 +++++
>  arch/arm64/boot/dts/freescale/imx8mm.dtsi    | 5 -----
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> index cf044dd..9e54747 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> @@ -16,6 +16,11 @@
>  		stdout-path = &uart2;
>  	};
> 
> +	memory at 40000000 {
> +		device_type = "memory";
> +		reg = <0x0 0x40000000 0 0x80000000>;
> +	};
> +
>  	leds {
>  		compatible = "gpio-leds";
>  		pinctrl-names = "default";
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index a3d179b..1e5e115 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> @@ -140,11 +140,6 @@
>  		};
>  	};
> 
> -	memory at 40000000 {
> -		device_type = "memory";
> -		reg = <0x0 0x40000000 0 0x80000000>;
> -	};
> -
>  	osc_32k: clock-osc-32k {
>  		compatible = "fixed-clock";
>  		#clock-cells = <0>;
> --
> 2.7.4




More information about the linux-arm-kernel mailing list