From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C6C57C7EE24 for ; Fri, 2 Jun 2023 07:08:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DasUfX01dU70rnvBrmUpeiiRczoLp5s2txpC1upZQTc=; b=pHTIqpSTcgTcgI Gjc/IZiP4XDPXQMqFY8rV7+8ZZl2xGfdn2OacrIgqbvrw19RdgUNvDMuHp20y+0yQJZdR5uv+fdrP iBbDSjFflB/JxzBnqs42dvbL/ZtAXMQIxWEFPA3zu3sCD1LsDsv0A3MnlIhkxCh8CAuQrpxKGYw1x fPbZ3+55co+w7gB2XrGi3DtLbYMmrjiH4Sg/0sXG0EzloEgumBL7JmV2Gdm1hl5zR9/r7Gy3Ue9m/ ZkslzTEfAeLBv5OJAoOQMZMtyhuPKNUm72Hp65l8UNacpYmZIrQ6nj8EqWoYnFl4MfZBjorEnZ0h+ wLoV6B56C2ESSOIwh1+A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q4ysm-005y4m-07; Fri, 02 Jun 2023 07:07:32 +0000 Received: from muru.com ([72.249.23.125]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q4ysi-005y4F-2i for linux-arm-kernel@lists.infradead.org; Fri, 02 Jun 2023 07:07:30 +0000 Received: from localhost (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 1D9FA8111; Fri, 2 Jun 2023 07:07:26 +0000 (UTC) Date: Fri, 2 Jun 2023 10:07:24 +0300 From: Tony Lindgren To: Nishanth Menon Cc: Conor Dooley , Krzysztof Kozlowski , Rob Herring , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Tero Kristo , Vignesh Raghavendra , Udit Kumar , Nitin Yadav , Neha Malcom Francis Subject: Re: [PATCH 1/6] arm64: dts: ti: k3-j721e: Add general purpose timers Message-ID: <20230602070724.GH14287@atomide.com> References: <20230531213215.602395-1-nm@ti.com> <20230531213215.602395-2-nm@ti.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230531213215.602395-2-nm@ti.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230602_000728_944349_4F7DED87 X-CRM114-Status: UNSURE ( 9.95 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org * Nishanth Menon [230531 21:32]: > There are 20 general purpose timers on j721e that can be used for > things like PWM using pwm-omap-dmtimer driver. There are also > additional ten timers in the MCU domain which are meant for MCU > firmware usage and hence marked reserved by default. > > The odd numbered timers have the option of being cascaded to even > timers to create a 64 bit non-atomic counter which is racy in simple > usage, hence the clock muxes are explicitly setup to individual 32 bit > counters driven off system crystal (HFOSC) as default. > > These instantiation differs from J7200 and other SoCs with the device > IDs and clocks involved for muxing. Reviewed-by: Tony Lindgren _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel