On Tue, Apr 30, 2024 at 9:04 AM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote: > Convert the Spitz to use software nodes for SPI CS and the > ADS7846 touchscreen following the pattern used in the TI > platforms. > > The Spitz is the only user of the wait_for_sync() callback in > the platform data, so define that this is a separate GPIO > in the device tree bindings (previous patch) and handle this > directly inside the ADS7846 driver instead. > > Add some infrastructure to the PXA boardfile common code to > handle software nodes attached to the SPI bus instead of > platform data. > > The SPI core will investigate the numner of GPIO handles to > figure out the number of chipselects used on the platform, so > no explicit encoding of the number of the number of chipselects > is needed. > > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Andy's patch series makes the Spitz SPI much cleaner to begin with so I will hold this off and rebase on top of Andy's stuff once that is in. Yours, Linus Walleij
