From patchwork Wed Oct 9 22:39:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11182309 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CCA35112B for ; Wed, 9 Oct 2019 22:40:26 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8AC4D218AC for ; Wed, 9 Oct 2019 22:40:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="RbVZfz+f" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8AC4D218AC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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: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:In-Reply-To:References: List-Owner; bh=QdKiu0FlzypQJBf3Sf+OhuTpiXEfInvIJK84UviXwh8=; b=RbVZfz+f2cY+l2 X0f8tWJDDUsSbJUfetDXnEfKDAdVKmB94iR1nbbmqovPXZfMHjlMvKw1oZOxTsksGJVN0bf/4si/a WH0YiYIh11fMThMkK3Z09le/TmHLfrsqrUCfAlh1kzFFWxoISKSg+KxlIFsnjNwjdnNBkHHSvpMwy R9x8fte1Rjp1nDaK3idAWPLBQ7Vr1okxZfVCupC04lzK7vIZ9dET/1xKAtKcN5mj6+nPqYY/V/4DS MveN6S4cP0DObl3pXl18vyDqJBmmXNhx3JnL4PFLbYI0u7xXf1BJOJRz+pOhEEZdlq3P5i9ayLVq7 +mpQJzxE7kwjQdESdzrw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iIKd5-0000mf-6T; Wed, 09 Oct 2019 22:40:23 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iIKcz-0000kY-Ls for linux-arm-kernel@lists.infradead.org; Wed, 09 Oct 2019 22:40:21 +0000 X-Originating-IP: 86.202.229.42 Received: from localhost (lfbn-lyo-1-146-42.w86-202.abo.wanadoo.fr [86.202.229.42]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id C1DADC0006; Wed, 9 Oct 2019 22:40:09 +0000 (UTC) From: Alexandre Belloni To: Daniel Lezcano Subject: [PATCH 0/8] clocksource/drivers/timer-atmel-tcb: add sama5d2 support Date: Thu, 10 Oct 2019 00:39:58 +0200 Message-Id: <20191009224006.5021-1-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191009_154017_854024_6738216B X-CRM114-Status: GOOD ( 11.02 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [217.70.183.198 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Alexandre Belloni , Sebastian Andrzej Siewior , linux-kernel@vger.kernel.org, Thomas Gleixner , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This series mainly adds sama5d2 support where we need to avoid using clock index 0 because that clock is never enabled by the driver. There is also a rework of the 32khz clock handling so it is not used for clockevents on 32 bit counter because the increased rate improves the resolution and doesn't have any drawback with that counter width. This replaces a patch that has been carried in the linux-rt tree for a while. Alexandre Belloni (8): dt-bindings: mfd: atmel-tcb: convert bindings to json-schema dt-bindings: mfd: atmel,at91rm9200-tcb: add sama5d2 compatible ARM: dts: at91: sama5d2: add TCB GCLK clocksource/drivers/timer-atmel-tcb: rework 32khz clock selection clocksource/drivers/timer-atmel-tcb: fill tcb_config clocksource/drivers/timer-atmel-tcb: stop using the 32kHz for clockevents clocksource/drivers/timer-atmel-tcb: allow selecting first divider clocksource/drivers/timer-atmel-tcb: add sama5d2 support .../bindings/mfd/atmel,at91rm9200-tcb.yaml | 113 ++++++++++++++++++ .../devicetree/bindings/mfd/atmel-tcb.txt | 56 --------- arch/arm/boot/dts/sama5d2.dtsi | 12 +- drivers/clocksource/timer-atmel-tcb.c | 101 +++++++++------- include/soc/at91/atmel_tcb.h | 1 + 5 files changed, 178 insertions(+), 105 deletions(-) create mode 100644 Documentation/devicetree/bindings/mfd/atmel,at91rm9200-tcb.yaml delete mode 100644 Documentation/devicetree/bindings/mfd/atmel-tcb.txt