[PATCH PATCH v6 12/13] dts: Add support for adding DT overlays in u-boot.img

[Simon Glass]

On Tue, 22 Oct 2019 at 08:40, Jean-Jacques Hiblot <jjhiblot at ti.com> wrote:
>
> If u-boot.img is a FIT image, CONFIG_OF_OVERLAY_LIST can be used to add
> DT overlays to u-boot.img.
>
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
> ---
>
> Changes in v6: None
> Changes in v5: None
> Changes in v4: None
> Changes in v3: None
> Changes in v2: None
>
>  Makefile    | 3 ++-
>  dts/Kconfig | 8 ++++++++
>  2 files changed, 10 insertions(+), 1 deletion(-)

Reviewed-by: Simon Glass <sjg at chromium.org>

nit below

>
> diff --git a/Makefile b/Makefile
> index 6fda3268e7..46c5bd4753 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1262,7 +1262,8 @@ MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
>         -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
>         -p $(CONFIG_FIT_EXTERNAL_OFFSET) \
>         -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \
> -       $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST)))
> +       $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) \
> +       $(patsubst %,-b arch/$(ARCH)/dts/%.dtbo,$(subst ",,$(CONFIG_OF_OVERLAY_LIST)))
>  else
>  MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
>         -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
> diff --git a/dts/Kconfig b/dts/Kconfig
> index c9ab66cccc..c150a9b2af 100644
> --- a/dts/Kconfig
> +++ b/dts/Kconfig
> @@ -130,6 +130,14 @@ config OF_LIST
>           device tree files (without the directory or .dtb suffix)
>           separated by <space>.
>
> +config OF_OVERLAY_LIST
> +       string "List of device tree overlays to include for DT control"
> +       depends on SPL_LOAD_FIT_APPLY_OVERLAY
> +       help
> +         This option specifies a list of device tree overlaysto use for DT

missing space

> +         control. This option can then be used a FIT generator to include

by a FIT generator?


> +         the overlays in the FIT image
> +
>  choice
>         prompt "SPL OF LIST compression"
>         depends on MULTI_DTB_FIT
> --
> 2.17.1
>