[PATCH] ARM: stm32: Increase USB power-good delay on DHSOM

[Patrice CHOTARD]

Hi Marek

On 11/13/21 3:24 AM, Marek Vasut wrote:
> The USB hub on STM32MP1 DHCOM boards needs to wait a bit longer until
> the USB Vbus is stable. Increase the USB power-good delay to 1 s.
> 
> This adds default-undefined STM32MP_BOARD_EXTRA_ENV variable into
> stm32mp15_common.h to reduce duplication in board-specific config
> files adding custom environment.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Patrice Chotard <patrice.chotard at foss.st.com>
> Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
> ---
>  include/configs/stm32mp15_common.h   | 3 ++-
>  include/configs/stm32mp15_dh_dhsom.h | 3 +++
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/include/configs/stm32mp15_common.h b/include/configs/stm32mp15_common.h
> index 4e2cabff2e7..be22d3ea7f1 100644
> --- a/include/configs/stm32mp15_common.h
> +++ b/include/configs/stm32mp15_common.h
> @@ -169,7 +169,8 @@
>  	STM32MP_BOOTCMD \
>  	STM32MP_PARTS_DEFAULT \
>  	BOOTENV \
> -	STM32MP_EXTRA
> +	STM32MP_EXTRA \
> +	STM32MP_BOARD_EXTRA_ENV
>  
>  #endif /* ifndef CONFIG_SPL_BUILD */
>  #endif /* ifdef CONFIG_DISTRO_DEFAULTS*/
> diff --git a/include/configs/stm32mp15_dh_dhsom.h b/include/configs/stm32mp15_dh_dhsom.h
> index c559cd72da7..bac9e8388a7 100644
> --- a/include/configs/stm32mp15_dh_dhsom.h
> +++ b/include/configs/stm32mp15_dh_dhsom.h
> @@ -8,6 +8,9 @@
>  #ifndef __CONFIG_STM32MP15_DH_DHSOM_H__
>  #define __CONFIG_STM32MP15_DH_DHSOM_H__
>  
> +#define STM32MP_BOARD_EXTRA_ENV \
> +	"usb_pgood_delay=1000\0"
> +
>  #include <configs/stm32mp15_common.h>
>  
>  #define CONFIG_SPL_TARGET		"u-boot.itb"
> 
Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
Thanks
Patrice