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arm64: dts: zynqmp: Add missing lpd watchdog node

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Xilinx ZynqMP SoC has FPD (Full Power Domain) and LPD (Low Power Domain)
watchdogs. There are cases where also LPD WDT should be used by Arm cores
that's why list it with disabled status.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/0489a1d5528614f1d570ea153d38b813f0c1eb9f.1611224800.git.michal.simek@xilinx.com
This commit is contained in:
Michal Simek 2021-01-21 11:26:58 +01:00
parent cbf8bed0e3
commit 1f9fcf6573
2 changed files with 13 additions and 0 deletions
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4
arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
View File

@ -223,3 +223,7 @@ &usb1 {
&watchdog0 {
clocks = <&zynqmp_clk WDT>;
};
&lpd_watchdog {
clocks = <&zynqmp_clk LPD_WDT>;
};

9
arch/arm64/boot/dts/xilinx/zynqmp.dtsi
View File

@ -786,5 +786,14 @@ watchdog0: watchdog@fd4d0000 {
reg = <0x0 0xfd4d0000 0x0 0x1000>;
timeout-sec = <10>;
};
lpd_watchdog: watchdog@ff150000 {
compatible = "cdns,wdt-r1p2";
status = "disabled";
interrupt-parent = <&gic>;
interrupts = <0 52 1>;
reg = <0x0 0xff150000 0x0 0x1000>;
timeout-sec = <10>;
};
};
};