diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2018-05-08 08:14:56 +0200 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-05-08 08:14:56 +0200 |
commit | 6b85c20d46812bdbc062b863261c3e5100e30556 (patch) | |
tree | e067c9889eaf55d5e793b05a14000276f2669e9f /dts/Bindings/watchdog/nuvoton,npcm-wdt.txt | |
parent | 9d8c00bdf7c1e8b614a797f0a15fa45bf6387224 (diff) | |
download | barebox-6b85c20d46812bdbc062b863261c3e5100e30556.tar.gz barebox-6b85c20d46812bdbc062b863261c3e5100e30556.tar.xz |
dts: update to v4.17-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/watchdog/nuvoton,npcm-wdt.txt')
-rw-r--r-- | dts/Bindings/watchdog/nuvoton,npcm-wdt.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/dts/Bindings/watchdog/nuvoton,npcm-wdt.txt b/dts/Bindings/watchdog/nuvoton,npcm-wdt.txt new file mode 100644 index 0000000000..6d593003c9 --- /dev/null +++ b/dts/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>; +}; |