| Message ID | 20180313061726.21601-2-joel@jms.id.au |
|---|---|
| State | Accepted |
| Commit | 1daa85d13f39144e43508fdd364ecbbaffbf35dc |
| Headers | show |
| Series | [v4,1/2] dt-bindings: watchdog: Add Nuvoton NPCM description | expand |
On Tue, Mar 13, 2018 at 04:47:25PM +1030, Joel Stanley wrote: > These bindings describe the watchdog IP as used by the Nuvoton NPCM750 > (Poleg) BMC SoC. > > Reviewed-by: Rob Herring <robh@kernel.org> > Signed-off-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > V2: Add optional timeout property > v3: > - Fix address in example > - Add Rob's reviewed-by > --- > .../bindings/watchdog/nuvoton,npcm-wdt.txt | 28 ++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > create mode 100644 Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt > > diff --git a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt > new file mode 100644 > index 000000000000..6d593003c933 > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt > @@ -0,0 +1,28 @@ > +Nuvoton NPCM Watchdog > + > +Nuvoton NPCM timer module provides five 24-bit timer counters, and a watchdog. > +The watchdog supports a pre-timeout interrupt that fires 10ms before the > +expiry. > + > +Required properties: > +- compatible : "nuvoton,npcm750-wdt" for NPCM750 (Poleg). > +- reg : Offset and length of the register set for the device. > +- interrupts : Contain the timer interrupt with flags for > + falling edge. > + > +Required clocking property, have to be one of: > +- clocks : phandle of timer reference clock. > +- clock-frequency : The frequency in Hz of the clock that drives the NPCM7xx > + timer (usually 25000000). > + > +Optional properties: > +- timeout-sec : Contains the watchdog timeout in seconds > + > +Example: > + > +timer@f000801c { > + compatible = "nuvoton,npcm750-wdt"; > + interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0xf000801c 0x4>; > + clocks = <&clk NPCM7XX_CLK_TIMER>; > +}; > -- > 2.15.1 >
diff --git a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt new file mode 100644 index 000000000000..6d593003c933 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt @@ -0,0 +1,28 @@ +Nuvoton NPCM Watchdog + +Nuvoton NPCM timer module provides five 24-bit timer counters, and a watchdog. +The watchdog supports a pre-timeout interrupt that fires 10ms before the +expiry. + +Required properties: +- compatible : "nuvoton,npcm750-wdt" for NPCM750 (Poleg). +- reg : Offset and length of the register set for the device. +- interrupts : Contain the timer interrupt with flags for + falling edge. + +Required clocking property, have to be one of: +- clocks : phandle of timer reference clock. +- clock-frequency : The frequency in Hz of the clock that drives the NPCM7xx + timer (usually 25000000). + +Optional properties: +- timeout-sec : Contains the watchdog timeout in seconds + +Example: + +timer@f000801c { + compatible = "nuvoton,npcm750-wdt"; + interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; + reg = <0xf000801c 0x4>; + clocks = <&clk NPCM7XX_CLK_TIMER>; +};