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GET /api/patches/2225580/?format=api
{ "id": 2225580, "url": "http://patchwork.ozlabs.org/api/patches/2225580/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260421082145.824453-1-n-francis@ti.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260421082145.824453-1-n-francis@ti.com>", "list_archive_url": null, "date": "2026-04-21T08:21:45", "name": "[v2] power: regulator: tps65941: Enable FPWM bits", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "fcbe7d58ecb0c0412a9ad40728011359b268c086", "submitter": { "id": 83791, "url": "http://patchwork.ozlabs.org/api/people/83791/?format=api", "name": "Neha Malcom Francis", "email": "n-francis@ti.com" }, "delegate": { "id": 12423, "url": "http://patchwork.ozlabs.org/api/users/12423/?format=api", "username": "Jaehoon", "first_name": "Jaehoon", "last_name": "Chung", "email": "jh80.chung@samsung.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260421082145.824453-1-n-francis@ti.com/mbox/", "series": [ { "id": 500756, "url": "http://patchwork.ozlabs.org/api/series/500756/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=500756", "date": "2026-04-21T08:21:45", "name": "[v2] power: regulator: tps65941: Enable FPWM bits", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/500756/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2225580/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2225580/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256\n header.s=selector1 header.b=H5I21wIX;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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helo=lewvzet201.ext.ti.com; pr=C", "From": "Neha Malcom Francis <n-francis@ti.com>", "To": "<trini@konsulko.com>, <jh80.chung@samsung.com>, <peng.fan@nxp.com>", "CC": "<j-keerthy@ti.com>, <t-fujiwara1@ti.com>, <u-boot@lists.denx.de>,\n <u-kumar1@ti.com>, <gehariprasath@ti.com>, <n-francis@ti.com>", "Subject": "[PATCH v2] power: regulator: tps65941: Enable FPWM bits", "Date": "Tue, 21 Apr 2026 13:51:45 +0530", "Message-ID": "<20260421082145.824453-1-n-francis@ti.com>", "X-Mailer": "git-send-email 2.34.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-C2ProcessedOrg": "333ef613-75bf-4e12-a4b1-8e3623f5dcea", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "BN3PEPF0000B06A:EE_|IA0PR10MB6915:EE_", "X-MS-Office365-Filtering-Correlation-Id": "8eb07929-4a22-427a-4dad-08de9f7f0924", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|36860700016|376014|82310400026|1800799024|56012099003|18002099003;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:198.47.23.195; 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Ip=[198.47.23.195];\n Helo=[lewvzet201.ext.ti.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n BN3PEPF0000B06A.namprd21.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "IA0PR10MB6915", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "Depending on the phase selection (single or multi), the FPWM bits\nconfigured forces the regulator to operate in PWM mode. In case of\nmulti-phase selection, the FPWM_MP bits enforce the regulator to also\noperate in multi-phase. This fixes correct multi-phase operation.\n\nWhile at this, correct incorrect macro alignment as well.\n\nFixes: 065a452ae6a1 (\"power: regulator: tps65941: add regulator support\")\nLink: https://www.ti.com/lit/ds/symlink/tps6594-q1.pdf\nSigned-off-by: Keerthy <j-keerthy@ti.com>\nSigned-off-by: Takuma Fujiwara <t-fujiwara1@ti.com>\nSigned-off-by: Neha Malcom Francis <n-francis@ti.com>\n---\nChanges since v1:\nhttps://lore.kernel.org/u-boot/20260129072857.1437272-1-n-francis@ti.com/\n- alignment correction\n- used existing macros instead of 12, 123 etc.\n\nTested on J721S2-EVM (same as v1, no logical changes)\n\nhttps://gist.github.com/nehamalcom/a74fb2a3b59421d0e04693c7d244fdb4\n\nBefore the patch, the kernel TPS6594 regulator driver would warn about\novercurrent on a buck, this was due to incorrect multi-phase configuration.\nThis patch resolves it.\n\n drivers/power/regulator/tps65941_regulator.c | 15 ++++++++++++---\n include/power/tps65941.h | 4 +++-\n 2 files changed, 15 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/power/regulator/tps65941_regulator.c b/drivers/power/regulator/tps65941_regulator.c\nindex 2561d6f4c6c..209968b5718 100644\n--- a/drivers/power/regulator/tps65941_regulator.c\n+++ b/drivers/power/regulator/tps65941_regulator.c\n@@ -63,13 +63,14 @@ static inline int tps65941_get_chip_id(struct udevice *dev)\n \n static int tps65941_buck_enable(struct udevice *dev, int op, bool *enable)\n {\n-\tint ret;\n+\tint ret, idx;\n \tunsigned int adr;\n \tstruct dm_regulator_uclass_plat *uc_pdata;\n \n \tuc_pdata = dev_get_uclass_plat(dev);\n \tadr = uc_pdata->ctrl_reg;\n \n+\tidx = dev->driver_data;\n \tret = pmic_reg_read(dev->parent, adr);\n \tif (ret < 0)\n \t\treturn ret;\n@@ -84,10 +85,18 @@ static int tps65941_buck_enable(struct udevice *dev, int op, bool *enable)\n \n \t\treturn 0;\n \t} else if (op == PMIC_OP_SET) {\n-\t\tif (*enable)\n+\t\tif (*enable) {\n \t\t\tret |= TPS65941_BUCK_MODE_MASK;\n-\t\telse\n+\t\t\t/* Enable FPWM */\n+\t\t\tret |= TPS65941_BUCK_FPWM_MASK;\n+\t\t\t/* If Multiphase enable FPWM_MP */\n+\t\t\tif (idx == TPS65941_BUCK_ID_12 ||\n+\t\t\t idx == TPS65941_BUCK_ID_123 ||\n+\t\t\t idx == TPS65941_BUCK_ID_1234)\n+\t\t\t\tret |= TPS65941_BUCK_FPWM_MP_MASK;\n+\t\t} else {\n \t\t\tret &= ~TPS65941_BUCK_MODE_MASK;\n+\t\t}\n \t\tret = pmic_reg_write(dev->parent, adr, ret);\n \t\tif (ret)\n \t\t\treturn ret;\ndiff --git a/include/power/tps65941.h b/include/power/tps65941.h\nindex a026ec56958..78e48a15972 100644\n--- a/include/power/tps65941.h\n+++ b/include/power/tps65941.h\n@@ -19,7 +19,9 @@\n #define TPS65941_BUCK_VOLT_MASK\t\t0xFF\n #define TPS65941_BUCK_VOLT_MAX_HEX\t0xFF\n #define TPS65941_BUCK_VOLT_MAX\t\t3340000\n-#define TPS65941_BUCK_MODE_MASK\t\t0x1\n+#define TPS65941_BUCK_MODE_MASK\t0x1\n+#define TPS65941_BUCK_FPWM_MASK\t0x2\n+#define TPS65941_BUCK_FPWM_MP_MASK\t0x4\n \n #define TPS65941_LDO_VOLT_MASK\t\t0x7E\n #define TPS65941_LDO_VOLT_MAX_HEX\t0x3A\n", "prefixes": [ "v2" ] }