Merge tag 'linux-kselftest-kunit-fixes-5.11-rc3' of git://git.kernel.org/pub/scm...
[linux/fpc-iii.git] / Documentation / devicetree / bindings / misc / pvpanic-mmio.txt
blob985e9073678079afe29f1fb72600ab6a6bd0df43
1 * QEMU PVPANIC MMIO Configuration bindings
3 QEMU's emulation / virtualization targets provide the following PVPANIC
4 MMIO Configuration interface on the "virt" machine.
5 type:
7 - a read-write, 16-bit wide data register.
9 QEMU exposes the data register to guests as memory mapped registers.
11 Required properties:
13 - compatible: "qemu,pvpanic-mmio".
14 - reg: the MMIO region used by the device.
15   * Bytes 0x0  Write panic event to the reg when guest OS panics.
16   * Bytes 0x1  Reserved.
18 Example:
20 / {
21         #size-cells = <0x2>;
22         #address-cells = <0x2>;
24         pvpanic-mmio@9060000 {
25                 compatible = "qemu,pvpanic-mmio";
26                 reg = <0x0 0x9060000 0x0 0x2>;
27         };