From patchwork Fri May 18 16:48:26 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 10411457 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1981560353 for ; Fri, 18 May 2018 16:55:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 08D87289BA for ; Fri, 18 May 2018 16:55:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F157928A0D; Fri, 18 May 2018 16:55:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 78168289F6 for ; Fri, 18 May 2018 16:55:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=kFmo2574dsUZ+jif5ahUOS0wJzLU75X/K5l0mRfOYQg=; b=Ou9g87ohb15BA+vDfBjx2UAJHR i7+giNgOKWBAlJTi0vE8Pajgu9nAZYkGfKTcLZ/AsKfvinbxZP7t1b8UKY+1WfpwfcnuW1b7Jz/Yo I1MuCm153eSHZDkwbhoa/HpjP26Pr7Zl75h1Gth91ko4W9A3u6GQF4rScPKd/Wpr5IkEynNhxI3Dy 9VMTHEgmFoKLIWVHRCtKiug0vsgmvORA00RUfbwP4+2jvsNhXdKEObQ3p2t73Ct95ZMx2fmVyUPXI X8IAUsOfG1J2EJ3R6Z18nBmDJBRkWNCmrW6H7GlYHzzFGpRD7t+Cwi89rN63yeLSG6q1KqquHaHPk Dy5bQVCg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fJiei-0004Lt-T6; Fri, 18 May 2018 16:55:00 +0000 Received: from vern.gendns.com ([206.190.152.46]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fJiaa-0000sZ-M6 for linux-arm-kernel@lists.infradead.org; Fri, 18 May 2018 16:50:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=References:In-Reply-To:Message-Id:Date:Subject :Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=fgfY349KpsIr8ZZwzAceijl8IyWY3oPaIKsD1bULdDY=; b=cG8AsJT5GwGXBLygkBHnJuisN AR6gAoCfopok/yre3aURCchyCV+MEVlFpD0YvO44zaK1y9XObgl0Z7peJ31YFHrAj2ZSQBlNwXA9j 7ENLKSkzORUtdMOKoAgdJxN9PJHGgEPszTOPxcOrzOb9p59r7iamoMj7CbkYFXGLLuA6LQZeSlK+h rnew8fUq4RUcvQcudFj2Vbascd+BeEax72jvsAFgyvwoyPVL3fpcXGkg0lwzcEmwWIAExsdCH+TDh 96qPYXAM1/IlYdDOD5Xm5tPPGpEa6of2xDLtjpM68qqwYKOcehtOUyufOHxNLsSPPmnakBWymuwZQ vuxScXqVg==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:35704 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.89_1) (envelope-from ) id 1fJiaY-00FrC3-Q7; Fri, 18 May 2018 12:50:42 -0400 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v11 24/27] dt-bindings: timer: new bindings for TI DaVinci timer Date: Fri, 18 May 2018 11:48:26 -0500 Message-Id: <20180518164829.27052-25-david@lechnology.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180518164829.27052-1-david@lechnology.com> References: <20180518164829.27052-1-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180518_095044_770970_ED7E7CDB X-CRM114-Status: UNSURE ( 8.51 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , David Lechner , Kevin Hilman , Stephen Boyd , Michael Turquette , Sekhar Nori , linux-kernel@vger.kernel.org, Bartosz Golaszewski , Rob Herring , Adam Ford MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This adds new device tree bindings for the timer IP block of TI DaVinci-like SoCs. Reviewed-by: Rob Herring Signed-off-by: David Lechner --- v11 changes: - remove trailing whitespace v10 changes: - changed compatible to "ti,da830-timer" - added interrupts and interrupt-names properties - fixed grammatical error v9 changes: - new patch in v9 .../bindings/timer/ti,davinci-timer.txt | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/ti,davinci-timer.txt diff --git a/Documentation/devicetree/bindings/timer/ti,davinci-timer.txt b/Documentation/devicetree/bindings/timer/ti,davinci-timer.txt new file mode 100644 index 000000000000..29bf91ccf5b7 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/ti,davinci-timer.txt @@ -0,0 +1,37 @@ +* Device tree bindings for Texas Instruments DaVinci timer + +This document provides bindings for the 64-bit timer in the DaVinci +architecture devices. The timer can be configured as a general-purpose 64-bit +timer, dual general-purpose 32-bit timers. When configured as dual 32-bit +timers, each half can operate in conjunction (chain mode) or independently +(unchained mode) of each other. + +The timer is a free running up-counter and can generate interrupts when the +counter reaches preset counter values. + +Also see ../watchdog/davinci-wdt.txt for timers that are configurable as +watchdog timers. + +Required properties: + +- compatible : should be "ti,da830-timer". +- reg : specifies base physical address and count of the registers. +- interrupts : interrupts generated by the timer. +- interrupt-names: should be "tint12", "tint34", "cmpint0", "cmpint1", + "cmpint2", "cmpint3", "cmpint4", "cmpint5", "cmpint6", + "cmpint7" ("cmpintX" may be omitted if not present in the + hardware). +- clocks : the clock feeding the timer clock. + +Example: + + clocksource: timer@20000 { + compatible = "ti,da830-timer"; + reg = <0x20000 0x1000>; + interrupts = <21>, <22>, <74>, <75>, <76>, <77>, <78>, <79>, + <80>, <81>; + interrupt-names = "tint12", "tint34", "cmpint0", "cmpint1", + "cmpint2", "cmpint3", "cmpint4", "cmpint5", + "cmpint6", "cmpint7"; + clocks = <&pll0_auxclk>; + };