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rampis: feed zbt-we1026 external watchdog 

Without feeding the gpio watchdog, the board will reset after 90 seconds

Signed-off-by: Arvid E. Picciani <aep@exys.org>
(cherry picked from commit 1a97c03d86)

[adapted to config-5.4]

Signed-off-by: Federico Capoano <f.capoano@openwisp.io>
This commit is contained in:
Federico Capoano 2022-09-15 19:52:14 +02:00 committed by Christian Lamparter
parent 1ea34b9621
commit 1f24bd1ba2
2 changed files with 9 additions and 0 deletions
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8
target/linux/ramips/dts/mt7620a_zbtlink_zbt-we1026-5g.dtsi
View File

@ -26,6 +26,14 @@
gpios = <&gpio3 0 GPIO_ACTIVE_LOW>; gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
}; };
}; };
watchdog {
compatible = "linux,wdt-gpio";
gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
hw_algo = "toggle";
hw_margin_ms = <20000>;
always-running;
};
}; };
&pcie { &pcie {

1
target/linux/ramips/mt7620/config-5.4
View File

@ -89,6 +89,7 @@ CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GPIOLIB=y CONFIG_GPIOLIB=y
# CONFIG_GPIO_MT7621 is not set # CONFIG_GPIO_MT7621 is not set
CONFIG_GPIO_RALINK=y CONFIG_GPIO_RALINK=y
CONFIG_GPIO_WATCHDOG=y
CONFIG_HANDLE_DOMAIN_IRQ=y CONFIG_HANDLE_DOMAIN_IRQ=y
CONFIG_HARDWARE_WATCHPOINTS=y CONFIG_HARDWARE_WATCHPOINTS=y
CONFIG_HAS_DMA=y CONFIG_HAS_DMA=y