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Wed, 29 Apr 2026 08:26:19 -0500 Received: from DLEE204.ent.ti.com (157.170.170.84) by DLEE213.ent.ti.com (157.170.170.116) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Wed, 29 Apr 2026 08:26:19 -0500 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DLEE204.ent.ti.com (157.170.170.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Wed, 29 Apr 2026 08:26:19 -0500 Received: from [10.249.134.231] ([10.249.134.231]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 63TDQFqK3399609; Wed, 29 Apr 2026 08:26:15 -0500 Message-ID: Date: Wed, 29 Apr 2026 18:56:14 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] arm64: dts: ti: k3-j721s2-som-p0: add bootph-pre-ram property to PMIC-B To: "Thomas Richard (TI)" , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: Thomas Petazzoni , , , , , , References: <20260429-k3-j721s2-som-bootph-pre-ram-pmic-4c-v2-1-31a0e7677216@bootlin.com> Content-Language: en-US From: "Kumar, Udit" In-Reply-To: <20260429-k3-j721s2-som-bootph-pre-ram-pmic-4c-v2-1-31a0e7677216@bootlin.com> Content-Type: text/plain; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: wetMSdiS7RotKf+YSyi7DXeQTbn0iYp4rQ4PeHmcoD0e8ZGLqt7tqmWena4E0m1vmUAqf2FwSS4dzXxE91UvHEsJ2L61J5LKK39Cm6t7Tf3gnoCKJ0xk0aYPtTeDp+vZzfFT19Ec6PzZo9S05N9giDqxauhgq9LEQYYsZpqlf0jaFNYgknGsWIVMaXgyL93KGCDYskUHv0jEF0vbyRr1dT7NteQIhU5QFrlljRu7oxmR+xZ8+KHEty1Yrb0KHfKvTLzdrNlGX3VT1vUlFRCnqCsF+M4tcKdCv95FOw00bPg6u8f/dV7p7kkcWZ4QdwxBe0PwcIG+JS6nIaOdgXyvCmQ2Q3FNjBWwYam5EqSD8ammYVknQRCvWI9qoJ0KLZwIGMNxfyQiY96GerqjYM+NXJN7xKUnPKu8gHZQEtKSfUme0zgxA/IVddHGrVIsds55 X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Apr 2026 13:26:20.2142 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 99b2bea7-3165-488c-dd59-08dea5f2e69e 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: CH2PEPF00000140.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ5PPFB3F166793 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260429_142629_628775_0FC7B685 X-CRM114-Status: GOOD ( 16.60 ) 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 On 4/29/2026 5:49 PM, Thomas Richard (TI) wrote: > On j721s2, PMIC-B is needed to exit the DDR from retention after > suspend-to-ram. Add bootph-pre-ram property to make PMIC-B available to > the bootloader in the phase that sets up the DDR. > > Signed-off-by: Thomas Richard (TI) > --- > For the v2 I just updated the commit title and message to use PMIC-B > instead of pmic@4c. > --- > Changes in v2: > - replace pmic@4c by PMIC-B in commit message. > - Link to v1: https://lore.kernel.org/r/20260428-k3-j721s2-som-bootph-pre-ram-pmic-4c-v1-1-e8202ce955a0@bootlin.com > --- > arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi > index 12a38dd1514b..a19e535f4946 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi > @@ -250,6 +250,7 @@ buckb1: buck1 { > regulator-max-microvolt = <1800000>; > regulator-always-on; > regulator-boot-on; > + bootph-pre-ram; Reviewed-by: Udit Kumar > }; > > buckb2: buck2 { > > --- > base-commit: 59b04cb2325c07ddc1cc7d984bd8c8f89f161746 > change-id: 20260427-k3-j721s2-som-bootph-pre-ram-pmic-4c-744fb90b05a3 > > Best regards,