Message ID | 20170528184006.31668-6-hauke@hauke-m.de |
---|---|
State | Not Applicable |
Headers | show |
On Sun, May 28, 2017 at 08:39:55PM +0200, Hauke Mehrtens wrote: > The binding was not documented before, add the documentation now. > > Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> > --- > .../devicetree/bindings/watchdog/lantiq-wdt.txt | 28 ++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > create mode 100644 Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt > > diff --git a/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt b/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt > new file mode 100644 > index 000000000000..675c30e23b65 > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt > @@ -0,0 +1,28 @@ > +Lantiq WTD watchdog binding > +============================ > + > +This describes the binding of the Lantiq watchdog driver. > + > +------------------------------------------------------------------------------- > +Required properties: > +- compatible : Should be one of > + "lantiq,wdt" > + "lantiq,wdt-xrx100" > + "lantiq,wdt-falcon" > + > +Optional properties: > +- regmap : A phandle to the RCU syscon > +- offset-status : Offset of the reset cause register > +- mask-status : Mask of the reset cause register value These 2 should be implied by the compatible. But if already used in upstream dts files, then it's okay. > + > + > +------------------------------------------------------------------------------- > +Example for the watchdog on the xRX200 SoCs: > + watchdog@803F0 { Lowercase hex please. > + compatible = "lantiq,wdt-xrx200", "lantiq,wdt-xrx100"; Doesn't match the documentation. > + reg = <0x803F0 0x10>; Lowercase hex please. > + > + regmap = <&rcu0>; > + offset-status = <0x14>; > + mask-status = <0x80000000>; > + }; > -- > 2.11.0 >
On 05/31/2017 10:00 PM, Rob Herring wrote: > On Sun, May 28, 2017 at 08:39:55PM +0200, Hauke Mehrtens wrote: >> The binding was not documented before, add the documentation now. >> >> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> >> --- >> .../devicetree/bindings/watchdog/lantiq-wdt.txt | 28 ++++++++++++++++++++++ >> 1 file changed, 28 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt >> >> diff --git a/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt b/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt >> new file mode 100644 >> index 000000000000..675c30e23b65 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt >> @@ -0,0 +1,28 @@ >> +Lantiq WTD watchdog binding >> +============================ >> + >> +This describes the binding of the Lantiq watchdog driver. >> + >> +------------------------------------------------------------------------------- >> +Required properties: >> +- compatible : Should be one of >> + "lantiq,wdt" >> + "lantiq,wdt-xrx100" >> + "lantiq,wdt-falcon" >> + >> +Optional properties: >> +- regmap : A phandle to the RCU syscon >> +- offset-status : Offset of the reset cause register >> +- mask-status : Mask of the reset cause register value > > These 2 should be implied by the compatible. But if already used in > upstream dts files, then it's okay. This is new. Should I hard code the offsets of the register and the actual bits depending on the compatible string in the driver instead of configuring it in the device tree? >> + >> + >> +------------------------------------------------------------------------------- >> +Example for the watchdog on the xRX200 SoCs: >> + watchdog@803F0 { > > Lowercase hex please. > >> + compatible = "lantiq,wdt-xrx200", "lantiq,wdt-xrx100"; > > Doesn't match the documentation. > >> + reg = <0x803F0 0x10>; > > Lowercase hex please. > >> + >> + regmap = <&rcu0>; >> + offset-status = <0x14>; >> + mask-status = <0x80000000>; >> + }; >> -- >> 2.11.0 >>
diff --git a/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt b/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt new file mode 100644 index 000000000000..675c30e23b65 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt @@ -0,0 +1,28 @@ +Lantiq WTD watchdog binding +============================ + +This describes the binding of the Lantiq watchdog driver. + +------------------------------------------------------------------------------- +Required properties: +- compatible : Should be one of + "lantiq,wdt" + "lantiq,wdt-xrx100" + "lantiq,wdt-falcon" + +Optional properties: +- regmap : A phandle to the RCU syscon +- offset-status : Offset of the reset cause register +- mask-status : Mask of the reset cause register value + + +------------------------------------------------------------------------------- +Example for the watchdog on the xRX200 SoCs: + watchdog@803F0 { + compatible = "lantiq,wdt-xrx200", "lantiq,wdt-xrx100"; + reg = <0x803F0 0x10>; + + regmap = <&rcu0>; + offset-status = <0x14>; + mask-status = <0x80000000>; + };
The binding was not documented before, add the documentation now. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- .../devicetree/bindings/watchdog/lantiq-wdt.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/lantiq-wdt.txt