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dt: bcm6858: watchdog should use a 50Mhz clock

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The watchdog should use a clock at 50 Mhz, so
instead of using the clock osc (200 Mhz), we
define a reference clock at 50Mhz and use it
for both watchdog.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Philippe Reynes 2019-05-03 19:43:07 +02:00 • committed by Tom Rini
parent c411adbdd0
commit a328ada441
1 changed files with 8 additions and 2 deletions
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10
arch/arm/dts/bcm6858.dtsi
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@ -66,6 +66,12 @@
clock-frequency = <200000000>; clock-frequency = <200000000>;
u-boot,dm-pre-reloc; u-boot,dm-pre-reloc;
}; };
refclk50mhz: refclk50mhz {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <50000000>;
};
}; };
ubus { ubus {
@ -92,13 +98,13 @@
wdt1: watchdog@ff802780 { wdt1: watchdog@ff802780 {
compatible = "brcm,bcm6345-wdt"; compatible = "brcm,bcm6345-wdt";
reg = <0x0 0xff802780 0x0 0x14>; reg = <0x0 0xff802780 0x0 0x14>;
clocks = <&periph_osc>; clocks = <&refclk50mhz>;
}; };
wdt2: watchdog@ff8027c0 { wdt2: watchdog@ff8027c0 {
compatible = "brcm,bcm6345-wdt"; compatible = "brcm,bcm6345-wdt";
reg = <0x0 0xff8027c0 0x0 0x14>; reg = <0x0 0xff8027c0 0x0 0x14>;
clocks = <&periph_osc>; clocks = <&refclk50mhz>;
}; };
wdt-reboot { wdt-reboot {