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arm64: dts: ti: Add reserved memory for watchdog

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This patch adds a reserved memory for the TI AM65X platform watchdog
to reserve the specific info, triggering the watchdog reset in last
boot, to know if the board reboot is due to a watchdog reset.

Signed-off-by: Li Hua Qian <huaqian.li@siemens.com>
Link: https://lore.kernel.org/r/20240117060654.109424-1-huaqian.li@siemens.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Li Hua Qian 2024-01-17 14:06:56 +08:00 committed by Vignesh Raghavendra
parent 2f277dbe1a
commit 14a65ea5fe
1 changed files with 10 additions and 0 deletions
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10
arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
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@ -76,6 +76,12 @@
alignment = <0x1000>;
no-map;
};
/* To reserve the power-on(PON) reason for watchdog reset */
wdt_reset_memory_region: wdt-memory@a2200000 {
reg = <0x00 0xa2200000 0x00 0x1000>;
no-map;
};
};
leds {
@ -608,6 +614,10 @@
mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>;
};
&mcu_rti1 {
memory-region = <&wdt_reset_memory_region>;
};
&icssg0_mdio {
status = "okay";
pinctrl-names = "default";