On Tue, Feb 11, 2020 at 03:20:22PM +0000, Rasmus Villemoes wrote: > From: "Klaus H. Sorensen" <k...@prevas.dk> > > Some SoCs in the mpc83xx family, e.g. mpc8309, have a dedicated spi > chip select, SPISEL_BOOT, that is used by the boot code to boot from > flash. > > This chip select will typically be used to select a SPI boot > flash. The SPISEL_BOOT signal is controlled by a single bit in the > SPI_CS register. > > Implement a gpio driver for the spi chip select register. This allows a > spi driver capable of using gpios as chip select, to bind a chip select > to SPISEL_BOOT. > > It may be a little odd to do this as a GPIO driver, since the signal > is neither GP or I, but it is quite convenient to present it to the > spi driver that way. The alternative it to teach mpc8xxx_spi to handle > the SPISEL_BOOT signal itself (that is how it's done in the linux > kernel, see commit 69b921acae8a) > > Signed-off-by: Klaus H. Sorensen <k...@prevas.dk> > Signed-off-by: Rasmus Villemoes <rasmus.villem...@prevas.dk>
Applied to u-boot/master, thanks! -- Tom
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