| Message ID | 20200303100114.87786-2-tmaimon77@gmail.com (mailing list archive) |
|---|---|
| State | Rejected |
| Headers | show |
| Series | watchdog: npcm: add last bootstatus support | expand |
On Tue, Mar 03, 2020 at 12:01:12PM +0200, Tomer Maimon wrote: > Add device tree three bootstatus reset types documentation. > > Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> > --- > .../bindings/watchdog/nuvoton,npcm-wdt.txt | 30 +++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt > index 6d593003c933..65e24a80ee70 100644 > --- a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt > +++ b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt > @@ -17,6 +17,33 @@ Required clocking property, have to be one of: > > Optional properties: > - timeout-sec : Contains the watchdog timeout in seconds > +- nuvoton,card-reset-type : "porst|corst|wd0|wd1|wd2|sw1|sw2|sw3|sw4" > + Contains the card reset type for checking and indicating > + the last card reset status (WDIOF_CARDRESET) > + > + If 'nuvoton,card-reset-type' is not specified the default is porst > + > + Reset types: > + - porst: Power reset > + - corst: Core reset > + - wdX : Watchdog reset X (X represante 0-2) > + - swX : Software reset X (X represante 1-4) > + > +- nuvoton,ext1-reset-type : "porst|corst|wd0|wd1|wd2|sw1|sw2|sw3|sw4" > + Contains the external 2 reset type for checking and indicating > + the last external 2 reset status (WDIOF_EXTERN1) > + > + If 'nuvoton,card-reset-type' is not specified the default is wd0. > + > + Reset types are the same as in nuvoton,card-reset-type property. > + > +- nuvoton,ext2-reset-type : "porst|corst|wd0|wd1|wd2|sw1|sw2|sw3|sw4" > + Contains the external 2 reset type for checking and indicating > + the last external 2 reset status (WDIOF_EXTERN2) > + > + If 'nuvoton,card-reset-type' is not specified the default is sw1. > + > + Reset types are the same as in nuvoton,card-reset-type property. > > Example: > > @@ -25,4 +52,7 @@ timer@f000801c { > interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; > reg = <0xf000801c 0x4>; > clocks = <&clk NPCM7XX_CLK_TIMER>; > + nuvoton,card-reset-type = "porst"; > + nuvoton,ext1-reset-type = "wd1"; > + nuvoton,ext2-reset-type = "sw2"; This set of properties maps chip reset types to reset types defined by the Linux watchdog subsystem (ie WDIOF_CARDRESET, WDIOF_EXTERN1, and WDIOF_EXTERN2). It is neither a hardware description nor a system configuration. It is up to Rob to decide, but I personally don't think it is appropriate. Guenter
diff --git a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt index 6d593003c933..65e24a80ee70 100644 --- a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt @@ -17,6 +17,33 @@ Required clocking property, have to be one of: Optional properties: - timeout-sec : Contains the watchdog timeout in seconds +- nuvoton,card-reset-type : "porst|corst|wd0|wd1|wd2|sw1|sw2|sw3|sw4" + Contains the card reset type for checking and indicating + the last card reset status (WDIOF_CARDRESET) + + If 'nuvoton,card-reset-type' is not specified the default is porst + + Reset types: + - porst: Power reset + - corst: Core reset + - wdX : Watchdog reset X (X represante 0-2) + - swX : Software reset X (X represante 1-4) + +- nuvoton,ext1-reset-type : "porst|corst|wd0|wd1|wd2|sw1|sw2|sw3|sw4" + Contains the external 2 reset type for checking and indicating + the last external 2 reset status (WDIOF_EXTERN1) + + If 'nuvoton,card-reset-type' is not specified the default is wd0. + + Reset types are the same as in nuvoton,card-reset-type property. + +- nuvoton,ext2-reset-type : "porst|corst|wd0|wd1|wd2|sw1|sw2|sw3|sw4" + Contains the external 2 reset type for checking and indicating + the last external 2 reset status (WDIOF_EXTERN2) + + If 'nuvoton,card-reset-type' is not specified the default is sw1. + + Reset types are the same as in nuvoton,card-reset-type property. Example: @@ -25,4 +52,7 @@ timer@f000801c { interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; reg = <0xf000801c 0x4>; clocks = <&clk NPCM7XX_CLK_TIMER>; + nuvoton,card-reset-type = "porst"; + nuvoton,ext1-reset-type = "wd1"; + nuvoton,ext2-reset-type = "sw2"; };
Add device tree three bootstatus reset types documentation. Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> --- .../bindings/watchdog/nuvoton,npcm-wdt.txt | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+)