From nobody Tue Feb 10 18:36:27 2026 Received: from SA9PR02CU001.outbound.protection.outlook.com (mail-southcentralusazon11013031.outbound.protection.outlook.com [40.93.196.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1475838A286; Mon, 9 Feb 2026 17:23:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.93.196.31 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770657817; cv=fail; b=t3eDFxUCDDccn7eqwEoHWc4uYN+cnLZo8PEqX2DlU3E7k6MDHpb0Xq+NZ5xavXd8600L+RNLrmHGHlq5jluIJEoz0y2JzIptRLNZSJjPkg2t/wBaNpSyElQC1F6uD5c4IXbpZh+JjtnuFB8NQ/AqwW7q0RflsGJjXNC7s19NmY0= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770657817; c=relaxed/simple; bh=drEVc0ZodwzQi347DvTYUEJtPE4szq5sOLh+q2o9svg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=q8NdeKKEflRURyoLRYX7BNWiQTpI1CJdcp4xd8Yrf8iY7UFmZQ9GK9wOew1d5T4pP4QRaxurG7JO6GEpLPpAfHDbyti+MSaGdqwOsOmbyNOAkE41dndQukZu/K77VZYC4enZZA2+uMdbrMOqEByePEXZyLKkaTpRMHSJGmKg1ko= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=Zjsz6Lqj; arc=fail smtp.client-ip=40.93.196.31 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="Zjsz6Lqj" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=ANXmK5hIbpHqnlXCtd9Ioh+anOnJeztLqmxpE+pgr39AW5aYPNQAmE1rte8W5PrjMP/+6vGxFpPBznaMJPwkuVcHB3zise5OipWfRfCyLLVxMnzKjuV2BT+syGgvfvb1IPC3oxNFHSZ3/TdSDpxpjBqe3wwTXvCIUnqTcSYgh7lZG2o6By24ZPXkr9shIzwg2XpAgD9v2hmwPm8gwnb0+9X15lzRavAC1nITZX9j3R+HonI5/jr1Aiicu7lkMHisxDa/ih5r79AymGMjUkfD5rqxdWozdSjR0sChkOKp6jPtD+vs01WshrUtHZDCz0IwnbW/YQ17voBlzMxZnjPosg== 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=aURdM4BX7ur5Rh361kVNzPk4uS3w5T92xS0ffwcAx2M=; b=mKelE1Hb6uzApueovuQeqoAFcD+KXpwNu4oA6exZmsr6rrq3zNpwZcJqyW1M1lua9cVXJ6Gnv5JnEO96ooXTChr+J60e5RZ63WXSKf/OplHDJ1jmbH/yrEkADxSEcuS+u1jFwV0rDYJRTbqYMBr8qe+pbXLxAaByD1gOJeC/nZxbnh80TS+Q52ExFX7muu44NblCvxaceFZD0L7EzCJyDHnlui+XCTcBqJqkuCpU1kbJflzCN99SpczLRi4eYh5RIh6ceRveW5jkGbrOlzzzps/ZfN8XNzpM0yMuVbh4DOuqvXA7QHODLAAi2j08yTqD5foUUocfPRXhB0S+fUzW7Q== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.21.194) smtp.rcpttodomain=vger.kernel.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=aURdM4BX7ur5Rh361kVNzPk4uS3w5T92xS0ffwcAx2M=; b=Zjsz6LqjA6ejUR7t/nIjuRetQBeri572YblKXrMVOf61lydRYVDCd7FYVuB1s8i3x9lK1lccq92cqwwDYUojRPqiqenkNDod+GyeX3yORcySD4P5q3UnZ0uo+mBClFIGz/sH+Sk0MRKf/9gwQZCX7XDItrBVxsVIlOG3dzS3k4Q= Received: from BYAPR06CA0058.namprd06.prod.outlook.com (2603:10b6:a03:14b::35) by SA2PR10MB4778.namprd10.prod.outlook.com (2603:10b6:806:114::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9587.18; Mon, 9 Feb 2026 17:23:35 +0000 Received: from SJ1PEPF00002326.namprd03.prod.outlook.com (2603:10b6:a03:14b:cafe::9c) by BYAPR06CA0058.outlook.office365.com (2603:10b6:a03:14b::35) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9587.19 via Frontend Transport; Mon, 9 Feb 2026 17:23:36 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.21.194) 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 198.47.21.194 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.21.194; helo=flwvzet200.ext.ti.com; pr=C Received: from flwvzet200.ext.ti.com (198.47.21.194) by SJ1PEPF00002326.mail.protection.outlook.com (10.167.242.89) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9611.8 via Frontend Transport; Mon, 9 Feb 2026 17:23:34 +0000 Received: from DFLE210.ent.ti.com (10.64.6.68) by flwvzet200.ext.ti.com (10.248.192.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 9 Feb 2026 11:23:31 -0600 Received: from DFLE201.ent.ti.com (10.64.6.59) by DFLE210.ent.ti.com (10.64.6.68) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 9 Feb 2026 11:23:30 -0600 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DFLE201.ent.ti.com (10.64.6.59) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Mon, 9 Feb 2026 11:23:30 -0600 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 619HNUl61959220; Mon, 9 Feb 2026 11:23:30 -0600 From: Judith Mendez To: Judith Mendez , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Santosh Shilimkar CC: , , , Andrew Davis Subject: [PATCH v3 2/2] soc: ti: k3-socinfo: Add support for AM62P variants via NVMEM Date: Mon, 9 Feb 2026 11:23:30 -0600 Message-ID: <20260209172330.53623-3-jm@ti.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260209172330.53623-1-jm@ti.com> References: <20260209172330.53623-1-jm@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00002326:EE_|SA2PR10MB4778:EE_ X-MS-Office365-Filtering-Correlation-Id: 94389f70-a91d-470c-bbc9-08de67fff44b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|376014|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?AU4tJLjWx1rupPBNaxEOEymeUGsh02/01lhUmxgqPBztSerglFF8dNKwroP3?= =?us-ascii?Q?3DA6AxUdaEloWnLqCt+fc2ACkXoIkTVl5nlYhMEfaKDADtwoheBbqOocmQfY?= =?us-ascii?Q?b5ryY9kD4SUlBgfUO0ZSTbfyMEwcEXXoC876Wd4TCKDKUxVGC2iHuwxMH8DS?= =?us-ascii?Q?xKscTbDLmlgOO5IXawKrbRLtmKzBFBq8OZPi9VrRMNXXQaF0muC9kY5baG/0?= =?us-ascii?Q?SbJcKEojAV60VAJb93yJRnA4bCsylAllA4zLEnzVOMlnDnImugj6N6XTUZ1K?= =?us-ascii?Q?zCPIEa9tA0fb10poZpN3DHZHhPDHTYiPZgxfUnHhaY3JcHMwJL+SX45mq6o8?= =?us-ascii?Q?GdP5XT6+CVKLRt6lbT2bFu0eSY3yViySn1gXUzmdt57CGdxNgybbadiQDCj5?= =?us-ascii?Q?kzjdIrp2iDo0ZE6LMnOYOXpXAMICjep7bkTRZvZQVTq74EHf6mZEj6V5gHOI?= =?us-ascii?Q?EYpxtQ93PyU65R97fAsQ4tm1553DKvYQzr80fHIKoMj+fQKJrEAl5cgN5/Qj?= =?us-ascii?Q?/El3C+KdK49biOcj7Do8zjEM1YesKFCiOryq+gjDfbnvTjYQTjGJqwAcyhfx?= =?us-ascii?Q?giKkJJ8zjYXoo+lzu7r6R6tJbGaUrmeoYtZFrPpezvzDAijOYbnSy0JgR6VQ?= =?us-ascii?Q?27wAFBYpYI08sjS57SSa9H4qhBEV7WehR13+9/XsrENSMUPfRjRHlKWzUlM7?= =?us-ascii?Q?JFihluXr4vVJWwSJOqPoDOdFe8Lp801swXmCA593HFJqGxfdWU3PI5Qh0SGl?= =?us-ascii?Q?bXu26DZB187IFmFRZ+rK276AUclERUlRgkdsvfFr9L/ACqOfckDLWY3kegLN?= =?us-ascii?Q?6kG6PGFb7phqL9UiLz78gWjH95lWIjCqTZLlzOjGJllNQnUigxYDmXx2Mew0?= =?us-ascii?Q?YV+eyi/cokn/Lmvcf6Tlkv0zbiObtAocZX/wEoASkKxRCJ8dH7/RMiFFj1ML?= =?us-ascii?Q?DoaEYYXHuFmhltPM5KFzZVOBNjZKWAsNc/5PFHB4e89fBxYOlQTrcDXYtg6M?= =?us-ascii?Q?xiDqq0wgUzEw6mRwGP9ldw7Jr7E6CCiLC9NgCOrjAn4Qm356D2AVcCPH5/cC?= =?us-ascii?Q?FwCqrsYizOkEGYAnQb+ew0Ox5prAUZwR9IXv+7q5pfUSRWZoENpe7/yNqvWQ?= =?us-ascii?Q?QG5sjD8114BTw29XnjLlVVX7yDwC8tPMgbz+4zJKq3KXOXXruhQTSJ93Lva1?= =?us-ascii?Q?4Jr8ugY+4znDVfiNt0yFqap9/DUiU367VCKHSgN1GS1CQLTcjcg07oQSe4Ie?= =?us-ascii?Q?zUd/tdP+79uo9WtC3ZZmvyyGU6nUKhWKPFYvHpV8F/cRqIzffHurfgwNNX+G?= =?us-ascii?Q?eHjGWbK2weHa+AJU02TOqZD6ywIvpqmkCAMau8EolsUecHOwsv9TsNmSgrAQ?= =?us-ascii?Q?ZU0e/cNIREloDKBBR/tVUi05ZtSRGqYJZ8oEvpu7tnuHg0WUJ9wGrZpRltR1?= =?us-ascii?Q?Oldw5QIwwQiku+hqsSQqWdcDxWwtizb1euThzG7i626ZDWqv2lxtEB5FZ99T?= =?us-ascii?Q?veK25RUMrcITBoE02gt0XBuEfnYJV+9qkqf0pNhjBB/INCmJB6CBaTFWUQbX?= =?us-ascii?Q?KQFKVe/+F/bAdMP7wvd6sVjSoL+Vzz+210euWQtBnfdDIDaAjE3lX2cZPQ+R?= =?us-ascii?Q?hL9fLDY7OtUbmnewUR5dMB2KqNRPHHSj+8PbnqCq4NSEIiFNzKUp/WgIlh/e?= =?us-ascii?Q?xVs9cA=3D=3D?= X-Forefront-Antispam-Report: CIP:198.47.21.194;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:flwvzet200.ext.ti.com;PTR:ErrorRetry;CAT:NONE;SFS:(13230040)(82310400026)(1800799024)(376014)(36860700013);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: Lg6RwufknhsXmIq3wBoMAE6H3g5hIFeDfIHzHp+KjA7xE8CuxSV8ldvsQJj6WEvYdD5f982WdD3MxmImRvJrh79bVicYogK9D1EIgcwCvQHDp34TunvGZf0fRFIt20h9BVPL/UJC34zxeSMjxGaFKdonHhEa25xZsKwogG+I3ts0nZY0vlOK1ufKzWy1cs1/W7ukn5WxKGC8tsSHruqZIRY5Tai/Wka3x7V2DKvxEPu8t55QtD/WBLfm2CUcZ8BkNUx/plMDb1LlqISev+gpVfWemcisyfUbvf8sVx6cDBF0zbvtj5A7A035zbuMpwR4nG+LxtPXn2O1eTRK0xRKn74vXZri/g/pdUTbB5DLH829pYULcjxO7Jb/awh7qF8GlNrd/IHLjL2KWu1JAAp2pbn9uJ1WdGPz37UTnwAlTeSoP6GdPNKYpxdnmBoNedn5 X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Feb 2026 17:23:34.4748 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 94389f70-a91d-470c-bbc9-08de67fff44b 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: SJ1PEPF00002326.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA2PR10MB4778 Content-Type: text/plain; charset="utf-8" Add support for detecting AM62P silicon revisions. On AM62P, silicon revision is discovered with GP_SW1 register instead of JTAGID register. Use the NVMEM framework to read GP_SW1 from the gpsw-efuse nvmem provider to determine SoC revision. Signed-off-by: Judith Mendez Reviewed-by: Andrew Davis --- Changes since v2: - Switch k3_chipinfo_variant_to_sr() parameter from pdev to dev for consistency --- drivers/soc/ti/k3-socinfo.c | 41 ++++++++++++++++++++++++++++++++++--- 1 file changed, 38 insertions(+), 3 deletions(-) diff --git a/drivers/soc/ti/k3-socinfo.c b/drivers/soc/ti/k3-socinfo.c index 42275cb5ba1c8..3a35fc456e544 100644 --- a/drivers/soc/ti/k3-socinfo.c +++ b/drivers/soc/ti/k3-socinfo.c @@ -6,6 +6,7 @@ */ =20 #include +#include #include #include #include @@ -25,6 +26,8 @@ #define CTRLMMR_WKUP_JTAGID_VARIANT_SHIFT (28) #define CTRLMMR_WKUP_JTAGID_VARIANT_MASK GENMASK(31, 28) =20 +#define GP_SW1_ADR_MASK GENMASK(3, 0) + #define CTRLMMR_WKUP_JTAGID_PARTNO_SHIFT (12) #define CTRLMMR_WKUP_JTAGID_PARTNO_MASK GENMASK(27, 12) =20 @@ -70,6 +73,23 @@ static const char * const am62lx_rev_string_map[] =3D { "1.0", "1.1", }; =20 +static const char * const am62p_gpsw_rev_string_map[] =3D { + "1.0", "1.1", "1.2", +}; + +static int +k3_chipinfo_get_gpsw_variant(struct device *dev) +{ + u32 gpsw_val =3D 0; + int ret; + + ret =3D nvmem_cell_read_u32(dev, "gpsw1", &gpsw_val); + if (ret) + return ret; + + return gpsw_val & GP_SW1_ADR_MASK; +} + static int k3_chipinfo_partno_to_names(unsigned int partno, struct soc_device_attribute *soc_dev_attr) @@ -86,9 +106,11 @@ k3_chipinfo_partno_to_names(unsigned int partno, } =20 static int -k3_chipinfo_variant_to_sr(unsigned int partno, unsigned int variant, - struct soc_device_attribute *soc_dev_attr) +k3_chipinfo_variant_to_sr(struct device *dev, unsigned int partno, + unsigned int variant, struct soc_device_attribute *soc_dev_attr) { + int gpsw_variant =3D 0; + switch (partno) { case JTAG_ID_PARTNO_J721E: if (variant >=3D ARRAY_SIZE(j721e_rev_string_map)) @@ -102,6 +124,19 @@ k3_chipinfo_variant_to_sr(unsigned int partno, unsigne= d int variant, soc_dev_attr->revision =3D kasprintf(GFP_KERNEL, "SR%s", am62lx_rev_string_map[variant]); break; + case JTAG_ID_PARTNO_AM62PX: + /* Check GP_SW1 for silicon revision */ + gpsw_variant =3D k3_chipinfo_get_gpsw_variant(dev); + if (gpsw_variant =3D=3D -EPROBE_DEFER) + return gpsw_variant; + if (gpsw_variant < 0 || gpsw_variant >=3D ARRAY_SIZE(am62p_gpsw_rev_stri= ng_map)) { + dev_warn(dev, "Failed to get silicon variant (%d), set SR1.0\n", + gpsw_variant); + gpsw_variant =3D 0; + } + soc_dev_attr->revision =3D kasprintf(GFP_KERNEL, "SR%s", + am62p_gpsw_rev_string_map[gpsw_variant]); + break; default: variant++; soc_dev_attr->revision =3D kasprintf(GFP_KERNEL, "SR%x.0", @@ -173,7 +208,7 @@ static int k3_chipinfo_probe(struct platform_device *pd= ev) goto err; } =20 - ret =3D k3_chipinfo_variant_to_sr(partno_id, variant, soc_dev_attr); + ret =3D k3_chipinfo_variant_to_sr(dev, partno_id, variant, soc_dev_attr); if (ret) { dev_err(dev, "Unknown SoC SR[0x%08X]: %d\n", jtag_id, ret); goto err; --=20 2.52.0