[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20180302112416.GB27322@gmail.com>
Date: Fri, 2 Mar 2018 12:24:16 +0100
From: Marcus Folkesson <marcus.folkesson@...il.com>
To: Joel Stanley <joel@....id.au>
Cc: Wim Van Sebroeck <wim@...ux-watchdog.org>,
Guenter Roeck <linux@...ck-us.net>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Tomer Maimon <tmaimon77@...il.com>,
Avi Fishman <avifishman70@...il.com>,
Brendan Higgins <brendanhiggins@...gle.com>
Subject: Re: [PATCH 1/2] dt-bindings: watchdog: Add Nuvoton NPCM description
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@....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@...080c1 {
> + 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
Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)
Powered by blists - more mailing lists