From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751282AbeCIEvb (ORCPT ); Thu, 8 Mar 2018 23:51:31 -0500 Received: from mail-pl0-f68.google.com ([209.85.160.68]:35996 "EHLO mail-pl0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751218AbeCIEv1 (ORCPT ); Thu, 8 Mar 2018 23:51:27 -0500 X-Google-Smtp-Source: AG47ELvIPK+KrF+IMbMcTNq0jSG2RWQJX5rZzK3lZSLcGcy7mohgzJYRv+2AIMdxczykxPY+B7wZ+A== 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 v3 1/2] dt-bindings: watchdog: Add Nuvoton NPCM description Date: Fri, 9 Mar 2018 15:21:06 +1030 Message-Id: <20180309045107.8515-2-joel@jms.id.au> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180309045107.8515-1-joel@jms.id.au> References: <20180309045107.8515-1-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