From patchwork Tue Nov 1 18:09:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vibhore Vardhan X-Patchwork-Id: 13027312 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 727F9C433FE for ; Tue, 1 Nov 2022 18:11:30 +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=8MnvHHY85Cz/qHpt17P28OgWTzvJxzAl4StFDDEGC3o=; b=z04bxZNTRSZvfC DYQwNcZ0Lp4Eibd1YJetq5K5VMZoNWSiMUw1ZwJSyTystvhtK79TeM9j3/10rld/nfHF/c6O0ABBv DvkpBsrlw4w3xmqV2lHeREEZBXAVQ/oT073DfGW86zf8NR5dHs2qFXtQBz5MWRzJP5aY3NV0mtOc/ 9QxnadJ0lDWNbeVmQ8wUjZ67ikfgaFO5UwlicJrzxjle1cAr9/A6ULiMeKkhwTpg/WNAR0e/BpIoF R7TzcbJG2zmb1SagWOV+b0tpN8hqfe2Jr3CfM9tVs2ozwcp2dKNhC7e95BIoBEhydvGoeJc9cOXD7 bxmhZ174IqWSf+T6pEXw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1opvic-006RDD-DG; Tue, 01 Nov 2022 18:10:34 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1opvhl-006Qq9-JJ for linux-arm-kernel@lists.infradead.org; Tue, 01 Nov 2022 18:09:43 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 2A1I9aTH083738; Tue, 1 Nov 2022 13:09:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1667326176; bh=aHfPf+ay0vTuzra6DofDgrduM8g8o28Yub+/Uu/B19Q=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=JEcSkaHC0ykuoH7zYS+XXHizmjO16pr52Iia2v2KstNUeKlbq4Dlaoa2t0/rUEdDE LaQ0QaThHIzm5m7CkqX0Bjeoruuh3m9+oayawUri/itWVr7KVegvHOTn52BsSVfl3Q 2JljI14U7FQI6qUSiYEiocfHYiH5eGQLXLtmN+ls= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 2A1I9alH017625 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 1 Nov 2022 13:09:36 -0500 Received: from DLEE103.ent.ti.com (157.170.170.33) by DLEE109.ent.ti.com (157.170.170.41) 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 13:09:35 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE103.ent.ti.com (157.170.170.33) 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 13:09:35 -0500 Received: from maitri.dhcp.ti.com (ileaxei01-snat.itg.ti.com [10.180.69.5]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 2A1I9ZVq008602; Tue, 1 Nov 2022 13:09:35 -0500 From: Vibhore Vardhan To: , , , , , , CC: , , , Subject: [PATCH RESEND 5/5] arm64: dts: ti: k3-am625-sk: Add 1.4GHz OPP Date: Tue, 1 Nov 2022 13:09:35 -0500 Message-ID: <20221101180935.139268-6-vibhore@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221101180935.139268-1-vibhore@ti.com> References: <20221101180935.139268-1-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_110941_732935_A125A27E X-CRM114-Status: GOOD ( 11.04 ) 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 93a5f0817efc..4620ef5e19bb 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 */