From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751835AbeCMGRw (ORCPT ); Tue, 13 Mar 2018 02:17:52 -0400 Received: from mail-pg0-f65.google.com ([74.125.83.65]:41064 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751574AbeCMGRt (ORCPT ); Tue, 13 Mar 2018 02:17:49 -0400 X-Google-Smtp-Source: AG47ELvEKg22nnSYbQvBcUAWdfj1x+mmVrUysV3KLeM6FxWv+6HE4d8Z3FV45PtErkZofAFPzpQHvA== From: Joel Stanley To: Wim Van Sebroeck , Guenter Roeck , Rob Herring , Mark Rutland , Marcus Folkesson Cc: linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Tomer Maimon , Avi Fishman , Brendan Higgins Subject: [PATCH v4 1/2] dt-bindings: watchdog: Add Nuvoton NPCM description Date: Tue, 13 Mar 2018 16:47:25 +1030 Message-Id: <20180313061726.21601-2-joel@jms.id.au> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180313061726.21601-1-joel@jms.id.au> References: <20180313061726.21601-1-joel@jms.id.au> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These bindings describe the watchdog IP as used by the Nuvoton NPCM750 (Poleg) BMC SoC. Reviewed-by: Rob Herring Signed-off-by: Joel Stanley --- V2: Add optional timeout property v3: - Fix address in example - Add Rob's reviewed-by --- .../bindings/watchdog/nuvoton,npcm-wdt.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 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..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 = ; + reg = <0xf000801c 0x4>; + clocks = <&clk NPCM7XX_CLK_TIMER>; +}; -- 2.15.1