diff options
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog')
6 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt index 107280ef0025..adc6b76fcb3a 100644 --- a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt @@ -11,6 +11,7 @@ Optional properties: detail please see: Documentation/devicetree/bindings/regmap/regmap.txt. - fsl,ext-reset-output: If present the watchdog device is configured to assert its external reset (WDOG_B) instead of issuing a software reset. +- timeout-sec : Contains the watchdog timeout in seconds Examples: @@ -19,4 +20,5 @@ wdt@73f98000 { reg = <0x73f98000 0x4000>; interrupts = <58>; big-endian; + timeout-sec = <20>; }; diff --git a/Documentation/devicetree/bindings/watchdog/meson-wdt.txt b/Documentation/devicetree/bindings/watchdog/meson-wdt.txt index 8a6d84cb36c9..7588cc3971bf 100644 --- a/Documentation/devicetree/bindings/watchdog/meson-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/meson-wdt.txt @@ -9,9 +9,13 @@ Required properties: "amlogic,meson8m2-wdt" and "amlogic,meson8b-wdt" on Meson8m2 SoCs - reg : Specifies base physical address and size of the registers. +Optional properties: +- timeout-sec: contains the watchdog timeout in seconds. + Example: wdt: watchdog@c1109900 { compatible = "amlogic,meson6-wdt"; reg = <0xc1109900 0x8>; + timeout-sec = <10>; }; diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt index 5b38a30e608c..859dee167b91 100644 --- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt @@ -11,9 +11,13 @@ Required properties: - reg : Specifies base physical address and size of the registers. +Optional properties: +- timeout-sec: contains the watchdog timeout in seconds. + Example: wdt: watchdog@10000000 { compatible = "mediatek,mt6589-wdt"; reg = <0x10000000 0x18>; + timeout-sec = <10>; }; 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>; +}; diff --git a/Documentation/devicetree/bindings/watchdog/sirfsoc_wdt.txt b/Documentation/devicetree/bindings/watchdog/sirfsoc_wdt.txt index 9cbc76c89b2b..0dce5e3100b4 100644 --- a/Documentation/devicetree/bindings/watchdog/sirfsoc_wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/sirfsoc_wdt.txt @@ -5,10 +5,14 @@ Required properties: - reg: Address range of tick timer/WDT register set - interrupts: interrupt number to the cpu +Optional properties: +- timeout-sec : Contains the watchdog timeout in seconds + Example: timer@b0020000 { compatible = "sirf,prima2-tick"; reg = <0xb0020000 0x1000>; interrupts = <0>; + timeout-sec = <30>; }; diff --git a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt index 04fc368d828f..ed11ce0ac836 100644 --- a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt @@ -8,9 +8,13 @@ Required properties: "allwinner,sun50i-a64-wdt","allwinner,sun6i-a31-wdt" - reg : Specifies base physical address and size of the registers. +Optional properties: +- timeout-sec : Contains the watchdog timeout in seconds + Example: wdt: watchdog@1c20c90 { compatible = "allwinner,sun4i-a10-wdt"; reg = <0x01c20c90 0x10>; + timeout-sec = <10>; }; |