From patchwork Thu Jul 5 22:59:02 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 10510405 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 ABA576024A for ; Thu, 5 Jul 2018 22:59:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9C05026E40 for ; Thu, 5 Jul 2018 22:59:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9021E280B0; Thu, 5 Jul 2018 22:59:51 +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, UNPARSEABLE_RELAY autolearn=ham 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 3D0F026E40 for ; Thu, 5 Jul 2018 22:59:51 +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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=Xr8Uh0ugSiIKA8IykZXHoUXy8Hz3OuX/BMOrpB5IbRo=; b=b/FBMfWeH5Fe6U mrSdEk4a/68X64RFEFl1uPIlmyiR/b65kPFpmb3j2uzfNAnoOsWrOLN+fnP0gurYMaU55fvahSWXW LiyVm66DwOLqLU3jib+OfytKlM3EjwSQj40Isxs1zIyvz6I8aIi5dwgLqAV9JATS+FsJ3hfZeLmE2 W7JgKXyGV2lEiuDX3CRt0QCrpDe9ZAazd1H5DJ1rZh/z24/kYQ78gFuZ9zS/fEiHKwbkdze2APibd ZrSQAtqaR35xcJYP8oiy5LH7aV/IRH1dA5/3ApvXZLKSqunuIngGKO7qCIkb9oLWai8rB25cy4p66 ZtTu2lHbqnslGxxyxSzw==; 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 1fbDE6-00070t-50 for patchwork-linux-mediatek@patchwork.kernel.org; Thu, 05 Jul 2018 22:59:50 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fbDE1-0006xF-Hp for linux-mediatek@lists.infradead.org; Thu, 05 Jul 2018 22:59:48 +0000 X-UUID: 30ccad6e1ce34c5098a08fce8a22ade5-20180706 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 528801949; Fri, 06 Jul 2018 06:59:29 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Fri, 6 Jul 2018 06:59:27 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Fri, 6 Jul 2018 06:59:27 +0800 From: Stanley Chu To: Matthias Brugger , Daniel Lezcano , Thomas Gleixner , Rob Herring Subject: [PATCH v8 1/5] clocksource/drivers/timer-mediatek: Add system timer bindings Date: Fri, 6 Jul 2018 06:59:02 +0800 Message-ID: <1530831546-6475-2-git-send-email-stanley.chu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1530831546-6475-1-git-send-email-stanley.chu@mediatek.com> References: <1530831546-6475-1-git-send-email-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180705_155945_724693_99D64AFA X-CRM114-Status: GOOD ( 10.47 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Stanley Chu , linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, wsd_upstream@mediatek.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds bindings of new "System Timer" on Mediatek SoCs. Remove RTC clock in the same time because it is not used in both "General Purpose Timer" and "System Timer" driver now. Signed-off-by: Stanley Chu --- .../bindings/timer/mediatek,mtk-timer.txt | 36 ++++++++++++-------- 1 file changed, 21 insertions(+), 15 deletions(-) diff --git a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt index b1fe7e9..0f3b8a1 100644 --- a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt +++ b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt @@ -1,19 +1,25 @@ -Mediatek MT6577, MT6572 and MT6589 Timers ---------------------------------------- +Mediatek Timers +--------------- + +Mediatek SoCs have two different timers on different platforms, +- GPT (General Purpose Timer) +- SYST (System Timer) + +The proper timer will be selected automatically by driver. Required properties: - compatible should contain: - * "mediatek,mt2701-timer" for MT2701 compatible timers - * "mediatek,mt6580-timer" for MT6580 compatible timers - * "mediatek,mt6589-timer" for MT6589 compatible timers - * "mediatek,mt7623-timer" for MT7623 compatible timers - * "mediatek,mt8127-timer" for MT8127 compatible timers - * "mediatek,mt8135-timer" for MT8135 compatible timers - * "mediatek,mt8173-timer" for MT8173 compatible timers - * "mediatek,mt6577-timer" for MT6577 and all above compatible timers -- reg: Should contain location and length for timers register. -- clocks: Clocks driving the timer hardware. This list should include two - clocks. The order is system clock and as second clock the RTC clock. + * "mediatek,mt2701-timer" for MT2701 compatible timers (GPT) + * "mediatek,mt6580-timer" for MT6580 compatible timers (GPT) + * "mediatek,mt6589-timer" for MT6589 compatible timers (GPT) + * "mediatek,mt7623-timer" for MT7623 compatible timers (GPT) + * "mediatek,mt8127-timer" for MT8127 compatible timers (GPT) + * "mediatek,mt8135-timer" for MT8135 compatible timers (GPT) + * "mediatek,mt8173-timer" for MT8173 compatible timers (GPT) + * "mediatek,mt6577-timer" for MT6577 and all above compatible timers (GPT) + * "mediatek,mt6765-timer" for MT6765 compatible timers (SYST) +- reg: Should contain location and length for timer register. +- clocks: Both timers are driven by system clock. Examples: @@ -21,5 +27,5 @@ Examples: compatible = "mediatek,mt6577-timer"; reg = <0x10008000 0x80>; interrupts = ; - clocks = <&system_clk>, <&rtc_clk>; - }; + clocks = <&system_clk>; + }; \ No newline at end of file