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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
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treea94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt
parentInitial commit. (diff)
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Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+* Freescale mpc8xxx watchdog driver (For 83xx, 86xx and 8xx)
+
+Required properties:
+- compatible: Shall contain one of the following:
+ "mpc83xx_wdt" for an mpc83xx
+ "fsl,mpc8610-wdt" for an mpc86xx
+ "fsl,mpc823-wdt" for an mpc8xx
+- reg: base physical address and length of the area hosting the
+ watchdog registers.
+ On the 83xx, "Watchdog Timer Registers" area: <0x200 0x100>
+ On the 86xx, "Watchdog Timer Registers" area: <0xe4000 0x100>
+ On the 8xx, "General System Interface Unit" area: <0x0 0x10>
+
+Optional properties:
+- reg: additional physical address and length (4) of location of the
+ Reset Status Register (called RSTRSCR on the mpc86xx)
+ On the 83xx, it is located at offset 0x910
+ On the 86xx, it is located at offset 0xe0094
+ On the 8xx, it is located at offset 0x288
+
+Example:
+ WDT: watchdog@0 {
+ compatible = "fsl,mpc823-wdt";
+ reg = <0x0 0x10 0x288 0x4>;
+ };