Message ID | e3e0bcfd7b779b978d07e088a8bd667ea9ddf4aa.1537163780.git.christophe.leroy@c-s.fr |
---|---|
State | Not Applicable, archived |
Headers | show |
Series | None | expand |
On Mon, 17 Sep 2018 06:22:53 +0000 (UTC), Christophe Leroy wrote: > Add description of DT bindings for mpc8xxx-wdt driver which > handles the CPU watchdog timer on the mpc83xx, mpc86xx and mpc8xx. > > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> > --- > .../devicetree/bindings/watchdog/mpc8xxx-wdt.txt | 25 ++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > create mode 100644 Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt > Reviewed-by: Rob Herring <robh@kernel.org>
On Mon, Sep 17, 2018 at 06:22:53AM +0000, Christophe Leroy wrote: > Add description of DT bindings for mpc8xxx-wdt driver which > handles the CPU watchdog timer on the mpc83xx, mpc86xx and mpc8xx. > > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> > Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > .../devicetree/bindings/watchdog/mpc8xxx-wdt.txt | 25 ++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > create mode 100644 Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt > > diff --git a/Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt b/Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt > new file mode 100644 > index 000000000000..e176face472a > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt > @@ -0,0 +1,25 @@ > +* 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>; > + };
diff --git a/Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt b/Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt new file mode 100644 index 000000000000..e176face472a --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt @@ -0,0 +1,25 @@ +* 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>; + };
Add description of DT bindings for mpc8xxx-wdt driver which handles the CPU watchdog timer on the mpc83xx, mpc86xx and mpc8xx. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- .../devicetree/bindings/watchdog/mpc8xxx-wdt.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/mpc8xxx-wdt.txt