dm: i2c: allow disabling driver model in SPL
At present if U-Boot proper uses driver model for I2C, then SPL has to also. While this is desirable, it places a significant barrier to moving to driver model in some cases. For example, with a space-constrained SPL it may be necessary to enable CONFIG_SPL_OF_PLATDATA which involves adjusting some drivers. This patch introduces a separate Kconfig symbols for enabling DM_I2C and DM_I2C_GPIO support in SPL. This will also help to get away from dirty workarounds to achieve non-DM I2C support for SPL, which is currently used in some board header files like: ifdef CONFIG_SPL_BUILD undef CONFIG_DM_I2C endif Reviewed-by:Simon Glass <sjg@chromium.org> Reviewed-by:
Heiko Schocher <hs@denx.de> Signed-off-by:
Igor Opaniuk <igor.opaniuk@foundries.io> Reviewed-by:
Tom Rini <trini@konsulko.com>
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