I found out that the configuration for gpio1_15 as the interrupt line for
SPI1 has to be:
&spi1 {
pinctrl-names = "default";
pinctrl-0 = <&spi1_pins>;
status = "okay";
spidev2: spi@0 {
compatible = "microchip,enc28j60";
reg = <0>;
spi-max-frequency = <24000000>;
interrupts = <15 2>;
interrupt-parent = <&gpio1>;
};
};
Using this configuration the enc28j60 1.0.1 works as is without do any
change.
On Monday, March 31, 2014 11:12:49 PM UTC-5, Ventura wrote:
>
>
> I developed one ethernet cape that uses the SPI. The configuration node
> bellows is working because I did a change in the device drive to
> handle the interrupt number as GPIO number (gpio1_15) and included code to
> map one interrupt ( for 47 I am getting IRQ 191).
>
> If I understand correctly I shouldn't have to apply any patch, the
> interrupt should be described in the device tree so that the SPI drive could
> understand what interrupt has to be assigned. When I don't apply the
> patch, the SPI assign the IRQ 63 (47 to 63 ???) that doesn't work.
>
> I would like to know how should be GPIO interrupt configuration to use the
> drive as is.
>
>
> &spi1 {
> pinctrl-names = "default";
> pinctrl-0 = <&spi1_pins>;
> status = "okay";
>
> spidev2: spi@0 {
> compatible = "microchip,enc28j60";
> reg = <0>;
> spi-max-frequency = <24000000>;
> interrupts = <47>;
> };
> };
>
>
> Sincerely,
> Ventura
>
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