[PATCH 2/7] sunxi: Kconfig: Fix up SPI configuration

[Jagan Teki]

On Tue, Jan 11, 2022 at 6:16 PM Andre Przywara <andre.przywara at arm.com> wrote:
>
> Commit 7945caf22c44 ("arm: sunxi: Enable SPI/SPI-FLASH support for A64")
> selected CONFIG_SPI by default on all Allwinner A64 boards, even though
> only 4 out of the 14 A64 boards have a SPI flash chip. All other SoCs
> had to manually select DM_SPI and friends, even though they are a
> platform property (the sunxi SPI driver is DM_SPI only).
>
> Clean this up to allow easy selection of SPI flash support in U-Boot
> proper, by selecting DM_SPI and DM_SPI_FLASH *if* CONFIG_SPI is
> selected, for *all* Allwinner SoCs. This simplifies the defconfig for
> two Libretech boards already.
>
> Also remove the forced CONFIG_SPI from the A64 Kconfig, instead let the
> four boards which allow SPI booting select this explicitly.
>
> Any board wishing to support SPI flash in U-Boot proper now just defines
> CONFIG_SPI and CONFIG_SPI_FLASH_<vendor> in its defconfig, Kconfig takes
> care of the rest.
>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>