Is it possible to add some gpio chip select for support more than one chip select on board ?
Loooked on https://github.com/armbian/linux ... ers/spi/spi-sunxi.c
I am not found any support of gpio here.
Also here https://github.com/armbian/linux/blob/sun8i/drivers/spi/spi-sunxi.h we can see that only one chip select can be used:
/* About CS */
#define SUNXI_CS_BITMAP(ch) (ch%2 == 0 ? 1 : 3)
#define SUNXI_CS_NUM(ch) (ch%2 == 0 ?