[PATCH] ARM: dts: stm32: Add bootph-all in ltdc node in stm32mp257f-ev1-u-boot

[Patrick DELAUNAY]

Hi

On 1/16/26 20:12, Patrice Chotard wrote:
> Add bootph-all property in ltdc node in stm32mp257f-ev1-u-boot.dtsi
> to fix the following issue :
>
> Video device 'display-controller at 48010000' cannot allocate frame buffer
> memory - ensure the device is set up beforen
> stm32_rifsc bus at 42080000: display-controller at 48010000 failed to bind on
> bus (-28)
> stm32_rifsc bus at 42080000: Some child failed to bind (-28)
> initcall_run_r(): initcall initr_dm() failed
> ERROR ### Please RESET the board ###
>
> Fixes: 29ab19c2bead ("Subtree merge tag 'v6.18-dts' of dts repo [1] into dts/upstream")
>
> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
> ---
>   arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi b/arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi
> index b70cd8b52ce..c3c9c94f165 100644
> --- a/arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi
> @@ -52,6 +52,10 @@
>   	};
>   };
>   
> +&ltdc {
> +	bootph-all;
> +};
> +
>   &usart2 {
>   	bootph-all;
>   };
>
> ---
> base-commit: 1da640cc46ad84efb57bb45e02dd6c40265b5488
> change-id: 20260116-add_bootph_all_for_ltdc-c7328f86b162
>
> Best regards,


ok as a temporary solution to allow U-Boot booting,

waiting same patch in Linux device tree and DT syncro.


Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>

Thanks
Patrick