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@xilinx.com ---

arch/arm/dts/zynqmp-zcu100-revC.dts | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/arch/arm/dts/zynqmp-zcu100-revC.dts b/arch/arm/dts/zynqmp-zcu100-revC.dts index 6e575a063bef..2fffe177b589 100644 --- a/arch/arm/dts/zynqmp-zcu100-revC.dts +++ b/arch/arm/dts/zynqmp-zcu100-revC.dts @@ -280,11 +280,13 @@ &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 {