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board/aarch64: alder: Watchdog support

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This commit is contained in:
Henrik Nordstrom
2023-11-16 19:51:52 +01:00
committed by Joachim Wiberg
parent e7c6f255fd
commit b36568bcb7
2 changed files with 22 additions and 0 deletions
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board/aarch64/dts/alder/alder.dtsi
+21
View File
@@ -624,3 +624,24 @@
};
};
};
/* Watchdog */
&cp0_pinctrl {
watchdog_pins: watchdog-pins {
marvell,pins = WDT_TICKLE(MPP_ID);
marvell,function = "gpio";
};
};
/ {
sysmgmt-watchdog {
pinctrl-names = "default";
pinctrl-0 = <&watchdog_pins>;
compatible = "linux,wdt-gpio";
gpios = WDT_TICKLE(MPP_GPIO_REF);
always-running;
hw_algo = "toggle";
hw_margin_ms = <20000>; /* toggle period must be below 1 minute */
};
};
board/aarch64/linux_defconfig
+1
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@@ -401,6 +401,7 @@ CONFIG_ARMADA_THERMAL=y
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_SYSFS=y
CONFIG_SOFT_WATCHDOG=y
CONFIG_GPIO_WATCHDOG=y
CONFIG_ARMADA_37XX_WATCHDOG=y
CONFIG_I6300ESB_WDT=y
CONFIG_MFD_MAX77620=y