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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD853C7EE2A for ; Fri, 2 Jun 2023 07:09:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233994AbjFBHJ2 (ORCPT ); Fri, 2 Jun 2023 03:09:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60362 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233879AbjFBHJZ (ORCPT ); Fri, 2 Jun 2023 03:09:25 -0400 Received: from muru.com (muru.com [72.249.23.125]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id AF935C0; Fri, 2 Jun 2023 00:09:24 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 0C5788111; Fri, 2 Jun 2023 07:09:24 +0000 (UTC) Date: Fri, 2 Jun 2023 10:09:22 +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 3/6] arm64: dts: ti: k3-j721s2: Add general purpose timers Message-ID: <20230602070922.GJ14287@atomide.com> References: <20230531213215.602395-1-nm@ti.com> <20230531213215.602395-4-nm@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230531213215.602395-4-nm@ti.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Nishanth Menon [230531 21:32]: > There are 20 general purpose timers on j721s2 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. > > Though the count is similar to J721e/J7200, the device IDs and clocks > used in j721s2 are different with the option of certain clocks having > options of additional clock muxes. Since there is very minimal reuse, > it is cleaner to integrate as part of SoC files itself. The defaults > are configured for clocking the timers from system clock(HFOSC0). Reviewed-by: Tony Lindgren 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 4AD55C7EE29 for ; Fri, 2 Jun 2023 07:09:52 +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=VZ7Ob0OjUX2K+mx+lBFcK3BN9qvLzN6KMSaWHQA/C5U=; b=RU9rL2apc2jQpl 26TYdqpQTV91yCj2ctF14v6HUSwfMSmXKqi+MvpdjCLfVZAkXq3ZvCHDeeyxLOQCTFy3b5hgR1CsZ BMStgwONyaa0v9IahcYscasF2xUwZnxDnN2VKvDvTvQ60FbIAxU6yUYMcMC9eabxNqlymVxR4frf0 xwjZ/pcmiEsodlo6hM+MBsF5kHbwa30H+++ReN9jp8NEvzT6ohZbDe0MXkJOdQ+G+GTkhcKolluMw PH6wYUlGCa6zQDfyaRBpERvxiTC/qexdJkNtvOnMyQ9soYJ5J3Y1ZhAaOyeqAiXx6Idt9c3WOF7F3 5csl1WjuaBogQRW90E0w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q4yuc-005yIj-10; Fri, 02 Jun 2023 07:09:26 +0000 Received: from muru.com ([72.249.23.125]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q4yua-005yIG-2T for linux-arm-kernel@lists.infradead.org; Fri, 02 Jun 2023 07:09:25 +0000 Received: from localhost (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 0C5788111; Fri, 2 Jun 2023 07:09:24 +0000 (UTC) Date: Fri, 2 Jun 2023 10:09:22 +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 3/6] arm64: dts: ti: k3-j721s2: Add general purpose timers Message-ID: <20230602070922.GJ14287@atomide.com> References: <20230531213215.602395-1-nm@ti.com> <20230531213215.602395-4-nm@ti.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230531213215.602395-4-nm@ti.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230602_000924_845048_F4F50733 X-CRM114-Status: GOOD ( 10.56 ) 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 j721s2 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. > > Though the count is similar to J721e/J7200, the device IDs and clocks > used in j721s2 are different with the option of certain clocks having > options of additional clock muxes. Since there is very minimal reuse, > it is cleaner to integrate as part of SoC files itself. The defaults > are configured for clocking the timers from system clock(HFOSC0). Reviewed-by: Tony Lindgren _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel