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Fri, 7 Nov 2025 15:25:07 -0600 Received: from [10.249.35.170] ([10.249.35.170]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 5A7LP6r73649310; Fri, 7 Nov 2025 15:25:06 -0600 Message-ID: <76078ce8-aec3-4a3c-b866-926fc284692e@ti.com> Date: Fri, 7 Nov 2025 15:25:06 -0600 Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/2] Enable 1GHz OPP am335x-bonegreen-eco To: "Kory Maincent (TI.com)" , Aaro Koskinen , Andreas Kemnade , Kevin Hilman , Roger Quadros , Tony Lindgren , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: Andrew Davis , Bajjuri Praneeth , "Thomas Petazzoni" , , , , References: <20251106-fix_tps65219-v2-0-a7d608c4272f@bootlin.com> Content-Language: en-US From: Shree Ramamoorthy In-Reply-To: <20251106-fix_tps65219-v2-0-a7d608c4272f@bootlin.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0001709B:EE_|DM3PPFA09EE1970:EE_ X-MS-Office365-Filtering-Correlation-Id: 6f2c3631-08e7-448e-ea15-08de1e4422d0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|82310400026|1800799024|36860700013|921020; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Nov 2025 21:25:12.3334 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6f2c3631-08e7-448e-ea15-08de1e4422d0 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0001709B.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM3PPFA09EE1970 Hi Kory, On 11/6/2025 4:49 AM, Kory Maincent (TI.com) wrote: > The vdd_mpu regulator maximum voltage was previously limited to 1.2985V, > which prevented the CPU from reaching the 1GHz operating point. This > limitation was put in place because voltage changes were not working > correctly, causing the board to stall when attempting higher frequencies. > Increase the maximum voltage to 1.3515V to allow the full 1GHz OPP to be > used. > > Add a TPS65219 PMIC driver fixes that properly implement the LOCK register > handling, to make voltage transitions work reliably. > > Changes in v2: > - Setup a custom regmap_bus only for the TPS65214 instead of checking > the chip_id every time reg_write is called. > - Add the am335x-bonegreen-eco devicetree change in the same patch > series. Reviewed-by: Shree Ramamoorthy > > Signed-off-by: Kory Maincent (TI.com) > --- > Kory Maincent (TI.com) (2): > mfd: tps65219: Implement LOCK register handling for TPS65214 > ARM: dts: am335x-bonegreen-eco: Enable 1GHz OPP by increasing vdd_mpu voltage > > arch/arm/boot/dts/ti/omap/am335x-bonegreen-eco.dts | 2 +- > drivers/mfd/tps65219.c | 51 +++++++++++++++++++++- > include/linux/mfd/tps65219.h | 2 + > 3 files changed, 53 insertions(+), 2 deletions(-) > --- > base-commit: 1c353dc8d962de652bc7ad2ba2e63f553331391c > change-id: 20251106-fix_tps65219-dd62141d22cf > > Best regards,