I am trying to write a spi slave device driver for adxl345 accelerometer. Everything worked without error in dmesg but i cant get any data from SPI device. I can get data when i tried on raspberry pi.
I tried to catch the signal saleae logic analyzer but everything was so quiet, no signal.
1) So i changed device tree by adding:
compatible = "ti,omap2-mcspi";
phandle = <0x175>;
compatible = "spidev";
reg = <0x0>;
#address-cells = <0x1>;
#size-cells = <0x0>;
spi-max-frequency = <0x7a120>;
phandle = <0x998>;
spidev0 = "/ocp/spi@480b8000/spidev@0";