korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-14 22:44:27 +08:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
The support to driver was added by commit ffdbae28d9 ("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
This commit is contained in:
Michal Simek 2020-11-12 13:52:34 +01:00
parent 48ab2996f6
commit 9854bc7dfa
1 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
arch/arm64/boot/dts/xilinx/zynqmp.dtsi
View File

@ -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 {