Messages in this thread Patch in this message | | | From | Joel Stanley <> | Subject | [PATCH 1/2] dt-bindings: watchdog: Add Nuvoton NPCM description | Date | Fri, 2 Mar 2018 17:07:45 +1030 |
| |
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). + +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
| |