There is only one chipselect on each connector. Define it directly in board dts file. There should be an option to use more chipselects via gpios. Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx> --- arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts index 2b3757dd74cc..a109e82982ae 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts @@ -250,11 +250,13 @@ wlcore: wifi@2 { &spi0 { /* Low Speed connector */ status = "okay"; label = "LS-SPI0"; + num-cs = <1>; }; &spi1 { /* High Speed connector */ status = "okay"; label = "HS-SPI1"; + num-cs = <1>; }; &uart0 { -- 2.24.0