Jon Smirl wrote: > mpc5200 interrupts have three cells in the device tree. How are these > interpreted? > Middle one is the interrupt number. Last one seems to always be zero. > What does the first one do, edge/level? > > I searched through /Documentation and could find anything about three > cells for interrupts. > > I understand the first one for gpio_wkup on interrupt 8. How does a > gpio_wkup generate an interrupt on interrupt 3? > > gpio_wkup: [EMAIL PROTECTED] { > compatible = > "fsl,mpc5200b-gpio-wkup","fsl,mpc5200-gpio-wkup"; > reg = <0xc00 0x40>; > interrupts = <0x1 0x8 0x0 0x0 0x3 0x0>; > interrupt-parent = <&mpc5200_pic>; > gpio-controller; > #gpio-cells = <2>; > };
See http://lxr.linux.no/linux+v2.6.26.5/Documentation/powerpc/mpc52xx-device-tree-bindings.txt#L263 Wolfgang. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev