| Message ID | 20180302063746.10993-2-joel@jms.id.au |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | watchdog: Add Nuvoton NPCM (Poleg) driver | expand |
On Fri, Mar 02, 2018 at 05:07:45PM +1030, Joel Stanley wrote: > These bindings describe the watchdog IP as used by the Nuvoton NPCM750 > (Poleg) BMC SoC. > > Signed-off-by: Joel Stanley <joel@jms.id.au> > --- > .../bindings/watchdog/nuvoton,npcm-wdt.txt | 25 ++++++++++++++++++++++ > 1 file changed, 25 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..599db288337e > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt > @@ -0,0 +1,25 @@ > +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 watchdog_init_timeout() will fix this for you. > + > +Example: > + > +timer@f00080c1 { > + compatible = "nuvoton,npcm750-wdt"; > + interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0xf00080c1 0x4>; > + clocks = <&clk NPCM7XX_CLK_TIMER>; > +}; > -- > 2.15.1 > Best regards Marcus Folkesson
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..599db288337e --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt @@ -0,0 +1,25 @@ +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). + +Example: + +timer@f00080c1 { + compatible = "nuvoton,npcm750-wdt"; + interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; + reg = <0xf00080c1 0x4>; + clocks = <&clk NPCM7XX_CLK_TIMER>; +};
These bindings describe the watchdog IP as used by the Nuvoton NPCM750 (Poleg) BMC SoC. Signed-off-by: Joel Stanley <joel@jms.id.au> --- .../bindings/watchdog/nuvoton,npcm-wdt.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt