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 3D5EDCA0EE4 for ; Thu, 14 Aug 2025 20:43:20 +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:References:CC:To :From:Subject:Message-ID:Date:Content-Type:Content-Transfer-Encoding: MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=A5j5Nk1nvJBPLYuxHFSA0kqPXhXQZcTtQKp/iX7Jb1s=; b=u1C5dZQzueF4DjIu29tqmIoWZp ObkVBe7xxJmywDpZ/iw0aQpT2megROy7/PWAG0XXj1Lr4Dc4+fXmQfxd8aIliy+qhsi5BgatHv/b/ SjXEkDH5K/6VRQOf+1OEVkQnssyPbiiraPn5X2/mm0mRZYfeoDYTtTvIRl4yZckpplvk5MQs4fGUd dZV6up/mF+T+p0OeB3j7yvYfu127PX3dHUyg9NwfTH29C14G7y9h4f2hfDfCCnc5fouj1joZ0KhZB tVoiVwC+DN28KHo6UWPpdb0VAoVkJKd4bOZPmwYXAQCad0AWQt8P0ZkRalvf83ZFT00UKqa5TCAMv CABUyqsw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1umen2-00000000WR0-2lnY; Thu, 14 Aug 2025 20:43:12 +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 1umekT-00000000WFt-394G for linux-arm-kernel@lists.infradead.org; Thu, 14 Aug 2025 20:40:35 +0000 Received: from fllvem-sh03.itg.ti.com ([10.64.41.86]) by lelvem-ot01.ext.ti.com (8.15.2/8.15.2) with ESMTP id 57EKeQu62011538; Thu, 14 Aug 2025 15:40:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1755204026; bh=A5j5Nk1nvJBPLYuxHFSA0kqPXhXQZcTtQKp/iX7Jb1s=; h=Date:Subject:From:To:CC:References:In-Reply-To; b=Wbis/2q2+SDxJ+NvmaShsH3FG869f0FYFjq5GwTovn6wO2qIpXvhrELlePmQG9qIw rJ29O/kfgB6AP1TLgwF4L9rmBJ7LAuQTY/m4aJBXWiYoHAR2iCt8McumVThbPIzp6B FcSv98Y3d0zmBRDEDgZaZPQTtlSxsMVlFy3bP8pQ= Received: from DFLE102.ent.ti.com (dfle102.ent.ti.com [10.64.6.23]) by fllvem-sh03.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 57EKeQRN1400343 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Thu, 14 Aug 2025 15:40:26 -0500 Received: from DFLE107.ent.ti.com (10.64.6.28) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55; Thu, 14 Aug 2025 15:40:26 -0500 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) 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 15.1.2507.55 via Frontend Transport; Thu, 14 Aug 2025 15:40:26 -0500 Received: from localhost (rs-desk.dhcp.ti.com [128.247.81.144]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 57EKeQ064172623; Thu, 14 Aug 2025 15:40:26 -0500 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Date: Thu, 14 Aug 2025 15:40:26 -0500 Message-ID: Subject: Re: [PATCH 2/3] arm64: dts: ti: k3-am62p-j722s: enable the bxs-4-64 From: Randolph Sapp To: Nishanth Menon CC: , , , , , , , , , , , , , Michael Walle X-Mailer: aerc 0.20.1-0-g2ecb8770224a-dirty References: <20250808232522.1296240-1-rs@ti.com> <20250808232522.1296240-2-rs@ti.com> <20250813151721.nc5fr3qmro5grlda@steam> <20250813184229.dhgpqvi3b6aat46g@managing> In-Reply-To: <20250813184229.dhgpqvi3b6aat46g@managing> X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250814_134033_879170_18D110C8 X-CRM114-Status: GOOD ( 11.41 ) 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 Wed Aug 13, 2025 at 1:42 PM CDT, Nishanth Menon wrote: > On 12:56-20250813, Randolph Sapp wrote: > [...] > >> >> + reg =3D <0x00 0x0fd80000 0x00 0x80000>; >> >> + clocks =3D <&k3_clks 237 1>; >> >> + clock-names =3D "core"; >> >> + assigned-clocks =3D <&k3_clks 237 1>; >> >> + assigned-clock-rates =3D <800000000>; > > btw, as per https://www.ti.com/lit/ds/symlink/tda4aen-q1.pdf (page 86) > 720MHz when vdd_core is 0.75v (default) > and 800MHz when vdd_core is 0.85v > > 0.85v is set in the board dts and higher OPPs are enabled depending on > board capability. > > You might want to check the assigned-clock-rates based on data sheet, > default should'nt need a assigned-clock-rate. Are you suggesting that we set assigned-clock-rates in the board dts instea= d, or do you just want to do away with assigned-clock-rates in general and eat th= e perf difference?