[PATCH v1 1/9] arch: arm: dts: stratix10: Switch to using upstream Linux DT config

[Chee, Tien Fong]

Hi Alif,

On 3/4/2026 10:25 am, alif.zakuan.yuslaimi at altera.com wrote:
> From: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi at altera.com>
>
> Migrate the legacy Stratix10 platform to use the upstream Linux device tree
> configuration. This helps reduce maintenance overhead and aligns U-Boot
> with the Linux kernel's DTS hierarchy and naming conventions.
>
> This change improves consistency between U-Boot and Linux by removing
> custom/legacy DTS handling and instead relying on the standardized
> definitions provided by the upstream Linux DTS.
>
> Signed-off-by: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi at altera.com>
>
> # Conflicts:
> #	configs/socfpga_stratix10_defconfig
> ---
>   arch/arm/dts/Makefile                         |   3 +-
>   arch/arm/dts/socfpga_stratix10-u-boot.dtsi    | 158 +++++++
>   arch/arm/dts/socfpga_stratix10.dtsi           | 430 ------------------
>   .../dts/socfpga_stratix10_socdk-u-boot.dtsi   | 149 +++++-
>   arch/arm/dts/socfpga_stratix10_socdk.dts      | 143 ------
>   configs/socfpga_stratix10_defconfig           |   3 +-
>   6 files changed, 292 insertions(+), 594 deletions(-)
>   delete mode 100644 arch/arm/dts/socfpga_stratix10.dtsi
>   delete mode 100644 arch/arm/dts/socfpga_stratix10_socdk.dts
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index d90e02ca4e5..91da88481fa 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -460,8 +460,7 @@ dtb-$(CONFIG_ARCH_SOCFPGA) +=				\
>   	socfpga_cyclone5_vining_fpga.dtb		\
>   	socfpga_cyclone5_ac501soc.dtb			\
>   	socfpga_cyclone5_ac550soc.dtb			\
> -	socfpga_n5x_socdk.dtb				\
> -	socfpga_stratix10_socdk.dtb
> +	socfpga_n5x_socdk.dtb
>   
>   dtb-$(CONFIG_TARGET_DRA7XX_EVM) += dra72-evm.dtb dra7-evm.dtb	\
>   	dra72-evm-revc.dtb dra71-evm.dtb dra76-evm.dtb
> diff --git a/arch/arm/dts/socfpga_stratix10-u-boot.dtsi b/arch/arm/dts/socfpga_stratix10-u-boot.dtsi
> index 3e3a3780469..a3b4c0564f9 100644
> --- a/arch/arm/dts/socfpga_stratix10-u-boot.dtsi
> +++ b/arch/arm/dts/socfpga_stratix10-u-boot.dtsi
> @@ -3,6 +3,164 @@
>    * U-Boot additions
>    *
>    * Copyright (C) 2020 Intel Corporation <www.intel.com>
> + * Copyright (C) 2026 Altera Corporation <www.altera.com>
>    */
>   
>   #include "socfpga_soc64_fit-u-boot.dtsi"
> +
> +/{
> +	aliases {
> +		spi0 = &qspi;
> +		i2c0 = &i2c1;
> +		freeze_br0 = &freeze_controller;
> +	};
> +


[...]


> +&spi1 {
> +	compatible = "intel,stratix10-spi",
> +		     "snps,dw-apb-ssi-4.00a", "snps,dw-apb-ssi";
> +};
> +
> +&binman {
> +	/delete-node/ kernel;


  Duplicate /delete-node/ kernel in binman: both 
socfpga_stratix10-u-boot.dtsi and the board-level dtsi emit this node 
deletion.

[...]


>
> +	board-4 {
> +		description = "board_4";
> +		firmware = "atf";
> +		loadables = "uboot";
> +		fdt = "fdt-0";
> +		signature {
> +			algo = "crc32";
> +			key-name-hint = "dev";
> +			sign-images = "atf", "uboot", "fdt-0";
> +		};
> +	};
> +};
> +
> +&binman {
> +	/delete-node/ kernel;


  Duplicate /delete-node/ kernel in binman: both 
socfpga_stratix10-u-boot.dtsi and the board-level dtsi emit this node 
deletion.


Best regards,

Tien Fong