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Enabling ecspi4 on iMX6ULL 14x14 evk

Question asked by Mannsik Chung on May 16, 2017
Latest reply on May 16, 2017 by Mannsik Chung

How can I enable ecspi4 on iMX6ULL 14x14 evk?

I enabled IMX_SPI feature in menuconfig and add below in device tree file



&ecspi4 {
   pinctrl-names = "default";
   pinctrl-0 = <&pinctrl_ecspi4>;
   num-chipselects = <1>;
   status = "okay";

But, kernel log shows below error 

spi_imx: probe of 2014000.ecspi failed with error -22


Please help me to enable ecspi4 in the evk.