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 7707FCD342F for ; Tue, 5 May 2026 11:06:03 +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:Content-Type: Content-Transfer-Encoding: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=N79X5KRz+NKEQoVayD4aItAcw+8tPQJfWhnX52y0C8g=; b=Uw8ploVnuL0ffxbLxDfhTJAc2s yUgimPwXHC16a23bg49rF7KSUiMWLDNx1H4CndKAMU1OwlqUNXllkeHf6oH28q4fX/KojuwobXE6s C+n1BmnlPhVJvJ+JK4LAMGVsb330w1hrhuFcjdygV5Q7OpGDZVe4fSm1wuwNuIXldN+14UVHmHMLG dbyWBQ1O9Th6e59uDmQGvPJLLDMZpVbQB+/ZjSgkZyIc2zM+plAK7CZm6c5KaEByNXW/H9tgk3CeO jiG8eRFtf4uAKeaxmYW1t6EYNpDKTvkUeMK3vWuzhOS7jDDhUdl3Ppcg4stk6bBVALlS9dpyZTyDg gOurwUNg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wKDbC-0000000G0AA-3QnU; Tue, 05 May 2026 11:05:58 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wKDbA-0000000G087-42io for linux-arm-kernel@bombadil.infradead.org; Tue, 05 May 2026 11:05:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:Content-Transfer-Encoding :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From: Sender:Reply-To:Content-ID:Content-Description; bh=N79X5KRz+NKEQoVayD4aItAcw+8tPQJfWhnX52y0C8g=; b=CHbnStfSoiyqJMDx+0fq7CRPhF ZSlN5z3YciP6QqdfvAPprH0I3GoyycXv/tQW782EAKiiv1fay/BQZd0pno8842ij4t0eVAiUEbH6N Of6P3i7zR2S4wrAxR/Tq9tcoapdEPS0piJ9WHVLr0p3imghDe2v1R8PO4CyCJI25DGdLo5CQhGEyf yi8b/yjf71KXKlgbutbdoVSdDPrml79aNDHzSXxrwzXAwo/SVkpRcU/SzjtwKU4+U5Rjbg2Vys+o4 i0tptfpwf9lRyt6YJOvBadywkVlJ3/xINWO/WLPI0dmphOH+rR74VAKPd8qNwdb6WO38cchS7rJZd HoYnWvgQ==; Received: from mail-westus3azon11012021.outbound.protection.outlook.com ([40.107.209.21] helo=PH8PR06CU001.outbound.protection.outlook.com) by desiato.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wKDb5-0000000DJ6c-0Ki8 for linux-arm-kernel@lists.infradead.org; Tue, 05 May 2026 11:05:55 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Ip4yIHmxfBraYGmntC+QwffLBb6C0J27FoIKwk4zUsWlb6MtsBrsYT/lAvvTr+LNaxiGsg9eASDCHnSt2c42J1QsJ0e/Vy/E5CEyW9zQlDarekng6AaMDtR+yHlsNYIyJsSK6r+JKYfL6dA4YRNuygTh2BWeJH6Y0a0ps8zR4FzqZE862+2803VMvLXKMj/mIsJycALjsJRtjcs30FmgSSlL137riVTtPiAYq2mPtMMHPOSxNy538++87RnSV6zTEbB35BYaRgDus+4PscuXIy8HJ94a2W1v7ijkCydNYbefCQY+N3Mlb6xDRF3eFCPis0jQqZP9ch0Yg/sXJULyfg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=N79X5KRz+NKEQoVayD4aItAcw+8tPQJfWhnX52y0C8g=; b=NabeEllsar9dSgqcNkwfwCBtx+/poHzMrp0j7SuC330SovBV1vzYvDACla599IFdWYFbjEBG4p2iGkwhw06AZYxe8dpl/S0t0uW3D+v6xnYGMA0oMEVewVuLX9MfK7QyxHLNs69nHHZWrRQGwb34dpq1tB3JXXLLyS17wymRtjXC3efihxF5YEALeSFMV8ws5MC8pOnKPlyJZ8e1gSqWB9mZ6QUQT6IHRTCPmnNi+n5fBnO2Gv/0jawWXDRuMFJPN0YibniGMGruKY2ErFF79thkyrXVh9Ur2+LoeGxV6d9GqPv5o9pajHBItKYa5+mZZybhoG4YRmlIG9Cmea5ECg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.23.195) smtp.rcpttodomain=lists.infradead.org smtp.mailfrom=ti.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=ti.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=N79X5KRz+NKEQoVayD4aItAcw+8tPQJfWhnX52y0C8g=; b=rhiTP2J8gg8kvqaq7S0Lju7i+VVpIpH8iyh9Vi8wjaVL13sxtzqR5citOiCPojSaluF81PhYaKOlVmrpfY9fyr/vhR0V+W8ShqXKtqXu/6bQk6xDO9I6TLdGqqe83fPleIXE+xZddjtTN5N3Eq06FjPodeQuzNc+yqZ2Mt/TavQ= Received: from DS0PR17CA0004.namprd17.prod.outlook.com (2603:10b6:8:191::12) by SA2PR10MB4603.namprd10.prod.outlook.com (2603:10b6:806:119::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9870.25; Tue, 5 May 2026 11:05:46 +0000 Received: from DS3PEPF000099DF.namprd04.prod.outlook.com (2603:10b6:8:191:cafe::9e) by DS0PR17CA0004.outlook.office365.com (2603:10b6:8:191::12) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9891.15 via Frontend Transport; Tue, 5 May 2026 11:05:45 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.23.195) smtp.mailfrom=ti.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=ti.com; Received-SPF: Pass (protection.outlook.com: domain of ti.com designates 198.47.23.195 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.23.195; helo=lewvzet201.ext.ti.com; pr=C Received: from lewvzet201.ext.ti.com (198.47.23.195) by DS3PEPF000099DF.mail.protection.outlook.com (10.167.17.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9891.9 via Frontend Transport; Tue, 5 May 2026 11:05:45 +0000 Received: from DLEE205.ent.ti.com (157.170.170.85) by lewvzet201.ext.ti.com (10.4.14.104) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 5 May 2026 06:05:45 -0500 Received: from DLEE205.ent.ti.com (157.170.170.85) by DLEE205.ent.ti.com (157.170.170.85) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 5 May 2026 06:05:45 -0500 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DLEE205.ent.ti.com (157.170.170.85) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Tue, 5 May 2026 06:05:45 -0500 Received: from toolbox.dhcp.ti.com (uda0492258.dhcp.ti.com [10.24.73.74]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 645B49hC2831834; Tue, 5 May 2026 06:05:38 -0500 From: Siddharth Vadapalli To: , , , , , , , , , , , , , , , , , , CC: , , , , , , Subject: [PATCH 13/13] arm64: dts: ti: k3-j784s4-j742s2-evm-common: fix USB clocking for compliance Date: Tue, 5 May 2026 16:36:14 +0530 Message-ID: <20260505110631.1144200-14-s-vadapalli@ti.com> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20260505110631.1144200-1-s-vadapalli@ti.com> References: <20260505110631.1144200-1-s-vadapalli@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099DF:EE_|SA2PR10MB4603:EE_ X-MS-Office365-Filtering-Correlation-Id: 514fb063-f0ff-49b2-cf03-08deaa9641bb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|36860700016|7416014|376014|921020|18002099003|56012099003|22082099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:198.47.23.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:lewvzet201.ext.ti.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(1800799024)(36860700016)(7416014)(376014)(921020)(18002099003)(56012099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: ylNwQ96SMneSgH1f5wtqJk1gQt36ksmqCBd4C+wPPVO39BSyJhU8mF1ujwnln6feOYmye9VaehoRE+VjomCRyGcDbkYXRvhnzJry5lWFgeO21PAb6FsCCW+qZUIQk4JUhjXJ9oLm6T0X9fexp4KGz7QZD2lOPCCtxV/jRJzjXYWDD9EMdDsaFCnbmVTt3OYbGLUiJidNSvEYNLofcZFnSQiNIgtsFlf0m+LgOCKdeD/9Aj/QyM0G7aktYO6DcIO76Qi1U1kokND32T1G0qekus0uqXrbv4RuclDSA6VCB4XPbKxvPwP+cHxURpLQ0GSChdiG5bP/VBC0k0ZE2jfA96Nd6HZWVi/J/LmqK4f8K+vWe0A80u2LBqZ/aB5jU0Fv5uJd0kKFNMZEqvpGrbGSREBynt/V0DGHroKbtQqcX2dlOxvgj/TgE2mCLCUK14WU X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 May 2026 11:05:45.6829 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 514fb063-f0ff-49b2-cf03-08deaa9641bb X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099DF.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA2PR10MB4603 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260505_120554_247097_4BBB6BF4 X-CRM114-Status: UNSURE ( 9.56 ) X-CRM114-Notice: Please train this message. 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 According to section "6.5.3 Normative Spread Spectrum Clocking (SSC)" of the USB 3.2 Specification, SSC should be enabled by default. This protects against EMI violations. Hence, enable internal SSC for USB SuperSpeed. Fixes: 39b623c05c46 ("arm64: dts: ti: Refactor J784s4-evm to a common file") Fixes: bed97e94ee2d ("arm64: dts: ti: k3-j784s4-evm: Enable USB3 support") Cc: Signed-off-by: Siddharth Vadapalli --- arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi index ff3a85cbc524..0884773ad230 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi @@ -1010,12 +1010,18 @@ serdes0_usb_link: phy@3 { cdns,num-lanes = <1>; #phy-cells = <0>; cdns,phy-type = ; + cdns,ssc-mode = <2>; /* 2 for internal SSC */ resets = <&serdes_wiz0 4>; }; }; &serdes_wiz0 { status = "okay"; + ti,core-clk-sel = <1>; /* Select internal reference clock */ + ti,ssc-enable; /* Enable SSC */ + ti,ssc-type = <1>; /* 1 for Downspread */ + ti,ssc-frequency-hz = <33000>; /* 33 KHz */ + ti,ssc-depth-per-mil = <5>; /* 0.5% depth */ }; &usb_serdes_mux { -- 2.51.1