From patchwork Tue Nov 1 17:10:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vibhore Vardhan X-Patchwork-Id: 13027263 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 C57D4C43217 for ; Tue, 1 Nov 2022 17:11:51 +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:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=j5h40Di/DQdt+mj7E3SZLIe0imvOuahemMyncdxENEA=; b=pgkbajEs/xqKiq 8xoTzKoaeQAKG+2OedNHVrio3zfXkCaDumSgf+4q87I6GnLZ8jYEfc+nHsQ6kge1lObTSiMvlJliL rW4O8fPwKaP2oey3z0AD5VBv4NUrw/gn75cWl9U+Lj192NfRHwZ5hIyxjoc26AGaSJknhNRYZa/aR 9OqlzWSH9azD8vfVIh500Nxhmu8IzCtXdovAWx8a5CLhNkeJc8kEvTjdbxYRL44IFFY+JHsJ4eB8n 5z4cwnT1pRr7NE4snOSprBuKESE9tYBLLjmwPQjCUGr8mN9RYtGEJgbyvjYatND22PzsPZOcSC+Yf jIyxWWARtWhEHkBo0bLQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1opumn-0069oh-Cm; Tue, 01 Nov 2022 17:10:49 +0000 Received: from fllv0015.ext.ti.com ([198.47.19.141]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1opuma-0069hN-6d for linux-arm-kernel@lists.infradead.org; Tue, 01 Nov 2022 17:10:38 +0000 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 2A1HAMNO055321; Tue, 1 Nov 2022 12:10:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1667322622; bh=rFwVgaNYWRw9eoQx6UvDT18p8B0eMO8pbL1DJXQsOks=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=CEgzbahm/bEF6OiFJn+BgLOcO2PNlY8oi8U/SXzdFJ1InOTzAVujsRm/Vb7TSKwiH +qwYjIjAknrQIoS/du/QFoshv1MH6kf/jv/KHQ26jeeUNeMc5GVCb3YHeGYgKtqzp0 bfHe/GUW+nfispZOaTCy6aJ9kix5nef5reb1cKWQ= Received: from DFLE110.ent.ti.com (dfle110.ent.ti.com [10.64.6.31]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 2A1HAMYe087430 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 1 Nov 2022 12:10:22 -0500 Received: from DFLE110.ent.ti.com (10.64.6.31) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.6; Tue, 1 Nov 2022 12:10:22 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.6 via Frontend Transport; Tue, 1 Nov 2022 12:10:22 -0500 Received: from maitri.dhcp.ti.com (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 2A1HAMwF106008; Tue, 1 Nov 2022 12:10:22 -0500 From: Vibhore Vardhan To: , , , , , , CC: , , , Subject: [5/5] arm64: dts: ti: k3-am625-sk: Add 1.4GHz OPP Date: Tue, 1 Nov 2022 12:10:22 -0500 Message-ID: <20221101171022.133322-6-vibhore@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221101171022.133322-1-vibhore@ti.com> References: <20221101171022.133322-1-vibhore@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221101_101036_318908_640A76D8 X-CRM114-Status: GOOD ( 11.03 ) 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 The 1.4 GHz OPP requires supported silicon variant (T speed grade) and also VDD_CORE to be at 0.85V. All production revisions of the AM625-SK have both so we can enable the 1.4 GHz OPP for it. Any other boards based on this design should verify that they have the right silicon variant and the right power tree before adding 1.4 GHz support in their board dts file. Signed-off-by: Vibhore Vardhan --- arch/arm64/boot/dts/ti/k3-am625-sk.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts index 9b4dbae9d4aa..d3060147ad25 100644 --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts @@ -31,6 +31,15 @@ chosen { bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; }; + opp-table { + /* Add 1.4GHz OPP for am625-sk board. Requires VDD_CORE to be at 0.85V */ + opp-1400000000 { + opp-hz = /bits/ 64 <1400000000>; + opp-supported-hw = <0x01 0x0004>; + clock-latency-ns = <6000000>; + }; + }; + memory@80000000 { device_type = "memory"; /* 2G RAM */