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author | Wim Van Sebroeck <wim@linux-watchdog.org> | 2018-03-24 10:20:26 +0100 |
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committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2018-03-24 10:20:26 +0100 |
commit | ab17ed70f79abbfdc7f0878836816267df2835a7 (patch) | |
tree | 9b71b32dd667ebf2f01d0f1026fd21fec0ca2740 /Documentation/devicetree/bindings/watchdog | |
parent | Merge branch 'v4.16-fixes' (diff) | |
parent | watchdog: add SPDX identifiers for watchdog subsystem (diff) | |
download | linux-dev-ab17ed70f79abbfdc7f0878836816267df2835a7.tar.xz linux-dev-ab17ed70f79abbfdc7f0878836816267df2835a7.zip |
Merge branch 'v4.17-rc1'
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog')
-rw-r--r-- | Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt | 28 |
1 files changed, 28 insertions, 0 deletions
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>; +}; |