Fwd: [PATCH] spi: zynq_spi: add chip select decoder support

Since zynq_spi device is compatible with Linux Cadence SPI driver, which supports chip select (CS) decoder, this patch adds the same logic for u-boot Zynq SPI driver. As a reference, I have used Xilinx Linux kernel 93dc4dbd16d (xilinx-v2020.2).

The SPI decoder feature has been tested on ZynqMP ARM processor and result has been compared with Linux Cadence SPI driver.

Signed-off-by: Nikita Vasilev vasilevnikitad@gmail.com Cc: Jagan Teki jteki@openedev.com --- drivers/spi/zynq_spi.c | 33 ++++++++++++++++++++++++--------- 1 file changed, 24 insertions(+), 9 deletions(-)