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 C8420C5B552 for ; Mon, 9 Jun 2025 12:07:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type: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=KfT47f4YC4sHbAPf2iUwhK0CCB8qwr74xhJZbfhK/ps=; b=UYwYAbuINL4upftCtkgjVmfCLR MKKN06cVeaG8xvlIj2EwjW6/vU93fifg1DFWYDo1jPcCC2I0cNLb1Bu85A8woGOl5VRwDGSc4Y6f+ H0qmVEbsYmP8qN+BYcxZ9nn3rIfLF/R3Lhuawk2jTHdUPyLUVu/bSc2CX7eVs6nnbnfiGWI4kU+q0 6FIx4ViqzEJd6FFEReyXlLi7JK97IR4BxV/Dg5735TA1DbZBdElpzGLuONZmAWnfRRCn0UABpw1JB 2U+EYcusHmjYDirluUUHLEsf27HFcVMF3+L23++YmxgUfHnD2/mGlSCCruj1VjjgMn81CWGIPmhZk RhllQ3Qw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uObHR-000000044qj-3Yas; Mon, 09 Jun 2025 12:07:09 +0000 Received: from lelvem-ot01.ext.ti.com ([198.47.23.234]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uObB5-000000044Cn-3jNu for linux-arm-kernel@lists.infradead.org; Mon, 09 Jun 2025 12:00:37 +0000 Received: from lelvem-sh02.itg.ti.com ([10.180.78.226]) by lelvem-ot01.ext.ti.com (8.15.2/8.15.2) with ESMTP id 559C0WvK1981245; Mon, 9 Jun 2025 07:00:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1749470432; bh=KfT47f4YC4sHbAPf2iUwhK0CCB8qwr74xhJZbfhK/ps=; h=Date:From:To:CC:Subject:References:In-Reply-To; b=GKuIMGu3dJbx5hNpKhFmX5+IK+tGAbVy4vEAxw1Q6yZ98XOmPk3irPVZq6ws9XEBV EWOhujqkY0c6jLRvCmDfdP4WUcPrZEHmA0J78eB51IbHMaPg6b2X+GWMQ/QkJ+bn8t 8fan9QnqIGpP6ewa5BUn7VKYMaa/hHb3dDIod7Q4= Received: from DFLE109.ent.ti.com (dfle109.ent.ti.com [10.64.6.30]) by lelvem-sh02.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 559C0W431356753 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Mon, 9 Jun 2025 07:00:32 -0500 Received: from DFLE107.ent.ti.com (10.64.6.28) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 9 Jun 2025 07:00:32 -0500 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DFLE107.ent.ti.com (10.64.6.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 9 Jun 2025 07:00:32 -0500 Received: from localhost (uda0133052.dhcp.ti.com [128.247.81.232]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 559C0Wfc1365631; Mon, 9 Jun 2025 07:00:32 -0500 Date: Mon, 9 Jun 2025 07:00:32 -0500 From: Nishanth Menon To: "Kumar, Udit" CC: , , , , , , , , Subject: Re: [RESEND PATCH] arm64: dts: ti: k3-j784s4-mcu-wakeup: Configure wkup_uart0 with clock settings Message-ID: <20250609120032.yxmcyiw7dchv2kmp@wanted> References: <20250603042448.783956-1-u-kumar1@ti.com> <20250603160147.47orn74obh2lz3qm@rethink> <51c56999-5f47-45fd-a4b2-4b79ecae0227@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <51c56999-5f47-45fd-a4b2-4b79ecae0227@ti.com> X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250609_050036_022147_27BEF7CD X-CRM114-Status: GOOD ( 19.01 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 12:47-20250608, Kumar, Udit wrote: > Hello Nishanth > > On 6/3/2025 9:31 PM, Nishanth Menon wrote: > > On 09:54-20250603, Udit Kumar wrote: > > > From: Bhavya Kapoor > > > > > > This commit adds the assigned-clocks and assigned-clock-parents > > > properties for wkup_uart0 in J784S4. Specifically, the assigned-clocks > > > property is set to reference the clock identified by > > > "wkup_usart_mcupll_bypass_out0", ensuring the UART operates with the > > > correct clock source. > > > > > > The assigned-clock-parents property specifies "wkup_usart_clksel_out0" > > > as the parent clock. This configuration is critical for establishing > > > the proper clocking hierarchy, enabling the UART device to function > > > reliably across different baud rates. > > Please fix the commit message - not clear what specifically in the clock > > hierarchy does permit the multiple baud rates. > > need your advise here . > > unlike other UART of main domain.  wkup_uart currently has two parents clock > (clock-1 is at 96Mhz and clock-0 is at 19.2 Mhz). > > By default, current fw selects clock-1 as parent. > > Let me know, if explicitly we need to set parent as clock-1. > > If yes then i will roll out v2 with current message , if no then please drop > this patch I personally do not see a need for the patch, then. > > Thanks > > Udit > > > > > > Signed-off-by: Bhavya Kapoor > > You need to add your SoB. > > > --- > > > Link to v1: https://lore.kernel.org/all/20241009072056.3511346-1-b-kapoor@ti.com/ > > [..] -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D