arm64: dts: zynqmp: Wire mailbox with zynqmp-power driver

The support to driver was added by commit ffdbae28d9d1 ("drivers: soc:
xilinx: Use mailbox IPI callback") that's why also enable it via DT by
default. It setups communication with firmware via IPI interface.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/5d3523150890e494df308ee69523d0f0e7b33b22.1605185549.git.michal.simek@xilinx.com

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 66dad22..68923fb 100644 (file)
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -99,6 +99,29 @@
                };
        };
 
+       zynqmp_ipi {
+               compatible = "xlnx,zynqmp-ipi-mailbox";
+               interrupt-parent = <&gic>;
+               interrupts = <0 35 4>;
+               xlnx,ipi-id = <0>;
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               ipi_mailbox_pmu1: mailbox@ff990400 {
+                       reg = <0x0 0xff9905c0 0x0 0x20>,
+                             <0x0 0xff9905e0 0x0 0x20>,
+                             <0x0 0xff990e80 0x0 0x20>,
+                             <0x0 0xff990ea0 0x0 0x20>;
+                       reg-names = "local_request_region",
+                                   "local_response_region",
+                                   "remote_request_region",
+                                   "remote_response_region";
+                       #mbox-cells = <1>;
+                       xlnx,ipi-id = <4>;
+               };
+       };
+
        dcc: dcc {
                compatible = "arm,dcc";
                status = "disabled";
@@ -128,6 +151,8 @@
                                compatible = "xlnx,zynqmp-power";
                                interrupt-parent = <&gic>;
                                interrupts = <0 35 4>;
+                               mboxes = <&ipi_mailbox_pmu1 0>, <&ipi_mailbox_pmu1 1>;
+                               mbox-names = "tx", "rx";
                        };
 
                        zynqmp_clk: clock-controller {