The commit 81186dc16101 ("dt-bindings: zynqmp: add destination mailbox compatible") make compatible string for child nodes mandatory that's why add it. Signed-off-by: Michal Simek <michal.simek@xxxxxxx> --- arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index f5e1eb8cb3b7..eaba466804bc 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -141,6 +141,7 @@ zynqmp_ipi: zynqmp-ipi { ipi_mailbox_pmu1: mailbox@ff9905c0 { bootph-all; + compatible = "xlnx,zynqmp-ipi-dest-mailbox"; reg = <0x0 0xff9905c0 0x0 0x20>, <0x0 0xff9905e0 0x0 0x20>, <0x0 0xff990e80 0x0 0x20>, -- 2.36.1