On 15.08.2018 17:19, Stefan Roese wrote: > This patch adds the SPI driver for the MediaTek MT7688 SoC (and > derivates). Its been tested on the LinkIt Smart 7688 and the Gardena > Smart Gateway with and SPI NOR on CS0 and on the Gardena Smart > Gateway additionally with an SPI NAND on CS1. > > Note that the SPI controller only supports a max transfer size of 32 > bytes. This driver implementes a workaround to enable bigger xfer > sizes to speed up the transfer especially for the SPI NAND support. > > Signed-off-by: Stefan Roese <[email protected]> > Cc: Jagan Teki <[email protected]> > Cc: Daniel Schwierzeck <[email protected]> > Reviewed-by: Jagan Teki <[email protected]> > --- > v4: > - Rename functions and macros from mt7621 to mt76xx to better > reflect the SoC usage and match the driver name > > v3: > - Drop IO wrappers completely as suggested by Daniel > - Read "clock-frequency" DT property instead of using > CONFIG_SYS_MIPS_TIMER_FREQ > > v2: > - Add some macros instead of hardcoded numbers > - Move compatible DT struct down in the file > > drivers/spi/Kconfig | 8 + > drivers/spi/Makefile | 1 + > drivers/spi/mt76xx_spi.c | 312 +++++++++++++++++++++++++++++++++++++++ > 3 files changed, 321 insertions(+) > create mode 100644 drivers/spi/mt76xx_spi.c >
Reviewed-by: Daniel Schwierzeck <[email protected]> -- - Daniel
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