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GET /api/1.2/patches/2233268/?format=api
{ "id": 2233268, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2233268/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openbmc/patch/20260504-axiado-ax3000-cadence-i2c-support-v1-2-97ed2fdc0b7b@axiado.com/", "project": { "id": 56, "url": "http://patchwork.ozlabs.org/api/1.2/projects/56/?format=api", "name": "OpenBMC development", "link_name": "openbmc", "list_id": "openbmc.lists.ozlabs.org", "list_email": "openbmc@lists.ozlabs.org", "web_url": "http://github.com/openbmc/", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260504-axiado-ax3000-cadence-i2c-support-v1-2-97ed2fdc0b7b@axiado.com>", "list_archive_url": null, "date": "2026-05-05T06:26:44", "name": "[2/2] i2c: cadence: Add support for Axiado AX3000", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1121e195dddc498ced9619e7a3c986bc742eef4a", "submitter": { "id": 92316, "url": "http://patchwork.ozlabs.org/api/1.2/people/92316/?format=api", "name": "Swark Yang", "email": "syang@axiado.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/openbmc/patch/20260504-axiado-ax3000-cadence-i2c-support-v1-2-97ed2fdc0b7b@axiado.com/mbox/", "series": [ { "id": 502914, "url": "http://patchwork.ozlabs.org/api/1.2/series/502914/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openbmc/list/?series=502914", "date": "2026-05-05T06:26:43", "name": "i2c: cadence: Add support for Axiado AX3000", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502914/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2233268/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2233268/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <openbmc+bounces-1893-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "openbmc@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=axiado.com header.i=@axiado.com header.a=rsa-sha256\n header.s=selector1 header.b=Q/wh2bEZ;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "\n <20260504-axiado-ax3000-cadence-i2c-support-v1-2-97ed2fdc0b7b@axiado.com>", "References": "\n <20260504-axiado-ax3000-cadence-i2c-support-v1-0-97ed2fdc0b7b@axiado.com>", "In-Reply-To": "\n <20260504-axiado-ax3000-cadence-i2c-support-v1-0-97ed2fdc0b7b@axiado.com>", "To": "Michal Simek <michal.simek@amd.com>, Andi Shyti <andi.shyti@kernel.org>,\n Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>,\n Conor Dooley <conor+dt@kernel.org>", "Cc": "linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org,\n devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,\n openbmc@lists.ozlabs.org, Swark Yang <syang@axiado.com>", "X-Mailer": "b4 0.14.3", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=2053; i=syang@axiado.com;\n h=from:subject:message-id; bh=MK3OswMhVZmw/T7fK7dq9GX/ghxdskdK82VTH194LCI=;\n b=owGbwMvMwCHWlWK8+EozbyzjabUkhsyf/fd+yrP4GTd2Ci0QjQu9ad/f4vL1OV+N3gTR2q628\n tM8Bs87SlkYxDgYZMUUWb7qfMs/mat9r3PvylKYOaxMIEMYuDgFYCKtmxkZbsnvu7wk2vXhvz8H\n NN1cHumXNTpf0lwlvlx1prTmZ5HwvQz/Y92Na1Lv63zwXvSvcvW/8qa55XM0l/7aNfWk9ec7a9a\n 8YAYA", "X-Developer-Key": "i=syang@axiado.com; a=openpgp;\n fpr=F52CF66FC96D2BDE89BDA9758A6433A3D4830D5D", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "BN3PEPF0000B074:EE_|BL4PR18MB6406:EE_", "X-MS-Office365-Filtering-Correlation-Id": "d2c9320a-b336-417a-ca51-08deaa709b9c", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "\n\tBCL:0;ARA:13230040|376014|1800799024|82310400026|36860700016|7416014|34020700016|22082099003|18002099003|56012099003;", "X-Microsoft-Antispam-Message-Info": "\n\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", "X-Forefront-Antispam-Report": "\n\tCIP:64.62.143.114;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:smtp.corp.axiado.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(1800799024)(82310400026)(36860700016)(7416014)(34020700016)(22082099003)(18002099003)(56012099003);DIR:OUT;SFP:1102;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n\ttwioRanEHxaeqXArftVSeTpqipyN//tyIn0AzD0QyjI8ty1APn6ZO2figXJewiaD7Vk3ceJVgxROrfQSHVx9lEo4mhdTPYLa/1BIJpEb3xT2c5PwBjVNZCu2b2KtucdHQ8DokvHC84g3mmAdtlsWvJLrs0/gAfPrFgvhmhlvyJhXYUs8munX9sFHqnvcu1iRmTQalDYFO9UoeBY7KpzzlRDbiwQvwWvcMUFEu5gRIcIfL7IMNZiq3tlbd7K3Q9grjPy+m4NytZkGx+dDKof0w1CFfofZ7KSeFgJlPLxhx+i+2LUcngZkYETJK4KBIlqeysEM6NoVS0alAilUOAl7TioCUHMYucDRZnXgz7lJ4cLgSVms9Nm85wNNJ5MDNT7IoOdnl3ysk9BsNPW15I9ofhphV3NkWTTUa7S1NkXfMxvpBQdZzv7DWu0wbN0IDKZ3", "X-OriginatorOrg": "axiado.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "05 May 2026 06:36:15.5279\n (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n d2c9320a-b336-417a-ca51-08deaa709b9c", "X-MS-Exchange-CrossTenant-Id": "ff2db17c-4338-408e-9036-2dee8e3e17d7", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=ff2db17c-4338-408e-9036-2dee8e3e17d7;Ip=[64.62.143.114];Helo=[smtp.corp.axiado.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n\tBN3PEPF0000B074.namprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BL4PR18MB6406", "X-Spam-Status": "No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tDKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,SPF_HELO_PASS,SPF_PASS\n\tautolearn=disabled version=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "The Axiado AX3000 SoC integrates a Cadence I2C controller\nthat supports SMBus Quick commands.\n\nIntroduce the \"axiado,ax3000-i2c\" compatible string and\nadd a new quirk CDNS_I2C_QUIRK_SMBUS_QUICK to enable\nthis functionality. This allows the controller to support\nI2C_FUNC_SMBUS_QUICK, enabling features such as bus scanning\nvia quick write commands.\n\nSigned-off-by: Swark Yang <syang@axiado.com>\n---\n drivers/i2c/busses/i2c-cadence.c | 10 ++++++++++\n 1 file changed, 10 insertions(+)", "diff": "diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c\nindex 0fb728ade92e..8079c045f936 100644\n--- a/drivers/i2c/busses/i2c-cadence.c\n+++ b/drivers/i2c/busses/i2c-cadence.c\n@@ -128,6 +128,7 @@\n #define CDNS_I2C_TIMEOUT_MAX\t0xFF\n \n #define CDNS_I2C_BROKEN_HOLD_BIT\tBIT(0)\n+#define CDNS_I2C_QUIRKS_ENABLE_SMBUS_QUICK_CFG BIT(1)\n #define CDNS_I2C_POLL_US\t100000\n #define CDNS_I2C_POLL_US_ATOMIC\t10\n #define CDNS_I2C_TIMEOUT_US\t500000\n@@ -1175,10 +1176,14 @@ static int cdns_i2c_master_xfer_atomic(struct i2c_adapter *adap, struct i2c_msg\n */\n static u32 cdns_i2c_func(struct i2c_adapter *adap)\n {\n+\tstruct cdns_i2c *id = adap->algo_data;\n \tu32 func = I2C_FUNC_I2C | I2C_FUNC_10BIT_ADDR |\n \t\t\t(I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK) |\n \t\t\tI2C_FUNC_SMBUS_BLOCK_DATA;\n \n+\tif (id->quirks & CDNS_I2C_QUIRKS_ENABLE_SMBUS_QUICK_CFG)\n+\t\tfunc |= I2C_FUNC_SMBUS_QUICK;\n+\n #if IS_ENABLED(CONFIG_I2C_SLAVE)\n \tfunc |= I2C_FUNC_SLAVE;\n #endif\n@@ -1442,9 +1447,14 @@ static const struct cdns_platform_data r1p10_i2c_def = {\n \t.quirks = CDNS_I2C_BROKEN_HOLD_BIT,\n };\n \n+static const struct cdns_platform_data ax3000_i2c_def = {\n+\t.quirks = CDNS_I2C_QUIRKS_ENABLE_SMBUS_QUICK_CFG,\n+};\n+\n static const struct of_device_id cdns_i2c_of_match[] = {\n \t{ .compatible = \"cdns,i2c-r1p10\", .data = &r1p10_i2c_def },\n \t{ .compatible = \"cdns,i2c-r1p14\",},\n+\t{ .compatible = \"axiado,ax3000-i2c\", .data = &ax3000_i2c_def },\n \t{ /* end of table */ }\n };\n MODULE_DEVICE_TABLE(of, cdns_i2c_of_match);\n", "prefixes": [ "2/2" ] }