arm64: dts: zynqmp: Wire mailbox with zynqmp-power driver (9854bc7d) · Commits · 戴 / test

The support to driver was added by commit ("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

arch/arm64/boot/dts/xilinx/zynqmp.dtsi

+25 −0

Original line number	Diff line number	Diff line
		@@ -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 {

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