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Thu, 7 May 2026 11:24:43 -0500 Date: Thu, 7 May 2026 11:24:43 -0500 From: Nishanth Menon To: Siddharth Vadapalli CC: , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v2 00/13] TI: K3 DTS: fix USB Clocking for Compliance Message-ID: <20260507162443.taj7ijqkmfy7omac@chalice> References: <20260506141040.1368918-1-s-vadapalli@ti.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20260506141040.1368918-1-s-vadapalli@ti.com> X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PEPF00000012:EE_|DM6PR10MB4156:EE_ X-MS-Office365-Filtering-Correlation-Id: bf08a749-de34-48d8-0fcd-08deac5529c0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|7416014|376014|36860700016|1800799024|56012099003|22082099003|18002099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: jQDPgoGNg3SxEqABVKqUFMy0ajtPPYE5vFWAPnxw4CI2r87ALxG6UaD0DJw7ewFOsdA7bnl5C/TTR+eWqFuxuEb0O4y0mlH/heQuB17zCu18ezOgPgygON3nmaOnqYuUL7Kt1gbmXirZu1H8iRWlSx0oD519ak5RNF1+ZvUZmKEhSgp8t21cRSmCWFiQKXhwYKrI1qE+ue4P/FXqjMVhHw1i1z4pY+q1CajsCsvOx0uO7L2KyvcYGdL0x6tu0FpNp7SLkRtdmzAP61oFC2a3FseKOEsGXqX3h9cT+ZOzUlHbd9wboZ/pgxwj0sc9xM5yH6JGBnDV2ur3U8nCVl5y9zzCm3RA0L28qsvn17mdJ0kLEw089lCvu9qVRKhmat1ODHPA48Tw1XZIw6Ssb+iZF/OeD4XrEplAI2mDBMcccMy0JxuCK/OKwdJULQIo8Vod X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 May 2026 16:24:50.4916 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bf08a749-de34-48d8-0fcd-08deac5529c0 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: CH3PEPF00000012.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR10MB4156 On 19:39-20260506, Siddharth Vadapalli wrote: > Hello, > > This series enables Internal Spread Spectrum Clocking (SSC) for USB > SuperSpeed configuration. This is mandated by the USB Specification > section 6.5.3 Normative Spread Spectrum Clocking (SSC). > > Series has been posted as individual patches for respective boards since > the Fixes tag is different for each board and needs to be backported via > stable. > > Series is based on commit > 74fe02ce122a Merge tag 'wq-for-7.1-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq > of Mainline Linux. I am on next-20260507 The serdes_wiz0 node here is bound by ti,phy-j721e-wiz.yaml (the node uses compatible = "ti,am64-wiz-10g"). That binding has additionalProperties: false and does not define ti,core-clk-sel, ti,ssc-enable, ti,ssc-type, ti,ssc-frequency-hz, or ti,ssc-depth-per-mil. I see arch/arm64/boot/dts/ti/k3-am642-hummingboard-t-usb3.dtb: wiz@f000000 (ti,am64-wiz-10g): 'ti,core-clk-sel', 'ti,ssc-depth-per-mil', 'ti,ssc-enable', 'ti,ssc-frequency-hz', 'ti,ssc-type' do not match any of the regexes: '^cmn-refclk1?-dig-div$', '^pinctrl-[0-9]+$', '^pll[0|1]-refclk$', '^serdes@[0-9a-f]+$' and so on.. How does this series pass dtbs_check? > > v1 of this series is at: > https://lore.kernel.org/r/20260505110631.1144200-1-s-vadapalli@ti.com/ > Changes since v1: > - Collected Acked-by tag on patch 1 from Josua Mayer > - Reordered properties in patches 7, 8, 12 and 13 to have 'status' at the > end of the node based on feedback from Francesco Dolcini > > Series has been tested on the following boards: > 1. AM642-SK > https://gist.github.com/Siddharth-Vadapalli-at-TI/d4aecc572697bd02bb65a0fe5efea393 > 2. AM68-SK-Baseboard > https://gist.github.com/Siddharth-Vadapalli-at-TI/371aacaada2b236776455be5fa15e593 > 3. AM69-SK > https://gist.github.com/Siddharth-Vadapalli-at-TI/1d7c6c3a5cbe6ec2bc966887c3e4d913 > 4. J721E-Common-Processor-Board > https://gist.github.com/Siddharth-Vadapalli-at-TI/f815f1a9b400ba492133e43c36f69936 > 5. J721E-SK > https://gist.github.com/Siddharth-Vadapalli-at-TI/0d1e4e72b47ab1482b5b7d1247bc8bfa > 6. J722S-EVM > https://gist.github.com/Siddharth-Vadapalli-at-TI/146533f0a89bde59b47ead582a924e62 > 7. J742S2-EVM > https://gist.github.com/Siddharth-Vadapalli-at-TI/be8ed3e339441b7301f57ad006868238 > 8. J784S4-EVM > https://gist.github.com/Siddharth-Vadapalli-at-TI/62795430857387491162b21d9c9692d0 > > Regards, > Siddharth. > > Luis Parga (2): > arm64: dts: ti: k3-am642-sk: fix USB clocking for compliance > arm64: dts: ti: k3-j722s-evm: fix USB clocking for compliance > > Siddharth Vadapalli (11): > arm64: dts: ti: k3-am642-hummingboard-t: fix USB clocking for > compliance > arm64: dts: ti: k3-am642-phyboard-electra-rdk: fix USB clocking for > compliance > arm64: dts: ti: k3-am642-tqma64xxl: fix USB clocking for compliance > arm64: dts: ti: k3-am68-phyboard-izar: fix USB clocking for compliance > arm64: dts: ti: k3-am68-sk-baseboard: fix USB clocking for compliance > arm64: dts: ti: k3-am69-aquila: fix USB clocking for compliance > arm64: dts: ti: k3-am69-sk: fix USB clocking for compliance > arm64: dts: ti: k3-j721e-beagleboneai64: fix USB clocking for > compliance > arm64: dts: ti: k3-j721e-common-proc-board: fix USB clocking for > compliance > arm64: dts: ti: k3-j721e-sk: fix USB clocking for compliance > arm64: dts: ti: k3-j784s4-j742s2-evm-common: fix USB clocking for > compliance > > .../boot/dts/ti/k3-am642-hummingboard-t-usb3.dts | 9 +++++++++ > .../boot/dts/ti/k3-am642-phyboard-electra-rdk.dts | 9 +++++++++ > arch/arm64/boot/dts/ti/k3-am642-sk.dts | 6 ++++++ > .../boot/dts/ti/k3-am642-tqma64xxl-mbax4xxl.dts | 9 +++++++++ > arch/arm64/boot/dts/ti/k3-am68-phyboard-izar.dts | 9 +++++++++ > arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts | 9 +++++++++ > arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi | 6 ++++++ > arch/arm64/boot/dts/ti/k3-am69-sk.dts | 6 ++++++ > .../arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts | 15 +++++++++++++++ > .../boot/dts/ti/k3-j721e-common-proc-board.dts | 6 ++++++ > arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 15 +++++++++++++++ > arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 6 ++++++ > .../boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi | 6 ++++++ > 13 files changed, 111 insertions(+) > > -- > 2.51.1 > -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D https://ti.com/opensource