Hi,
I'm running a Jetson TK1 on mainline Linux. To enable userspace SPI, I
modified the device-tree by:
/* Expansion TS_SPI_* */
spi@7000d400 {
status = "okay";
+ spidev@0 {
+ compatible = "spidev";
+ reg = <0>;
+ spi-max-frequency = <25000000>;
+ };
};
This works fine. Is it possible to use arbitrary GPIOs as additional
chip-selects?
What would I have to do If I'd like to add PU0 or PU1 (sysfs
gpio160/161) as chip-selects?
Anything helps!
Cheers
Ralf
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