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Mon, 21 Apr 2025 08:18:41 -0400 Received: from ASHBCASHYB4.ad.analog.com (10.64.17.132) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 21 Apr 2025 08:18:41 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBCASHYB4.ad.analog.com (10.64.17.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 21 Apr 2025 08:18:41 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 21 Apr 2025 08:18:41 -0400 Received: from CENCARNA-L02.ad.analog.com (CENCARNA-L02.ad.analog.com [10.117.222.60]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 53LCIO2P013389; Mon, 21 Apr 2025 08:18:27 -0400 From: Cedric Encarnacion Subject: [PATCH v3 0/2] Add support for LT3074 low voltage linear regulator Date: Mon, 21 Apr 2025 20:18:17 +0800 Message-ID: <20250421-upstream-lt3074-v3-0-71636322f9fe@analog.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAIk3BmgC/3XNTQqDMBCG4atI1k1JZuIPXfUepYuoowbUSJKGF vHujW5KKV2+H8wzK/PkDHl2yVbmKBpv7JwCTxlrBj33xE2bmoGAXEhQ/LH44EhPfAwoSsUlIFY KVEGiZulqcdSZ5yHe7qkH44N1r+NBlPv634qSC14WAjtUhUKkq571aPtzYye2YxE+AED+C0ACZ KVbKWqdK/gGtm17A9BHJGvwAAAA X-Change-ID: 20250124-upstream-lt3074-123384246e0b To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jean Delvare , "Guenter Roeck" , Jonathan Corbet , "Delphine CC Chiu" CC: , , , , , Cedric Encarnacion X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1745237904; l=1845; i=cedricjustine.encarnacion@analog.com; s=20250124; h=from:subject:message-id; bh=lNXJZ31mKKdrH3rm5j2vahEHI71PEeUKRoEiRzkJTPA=; b=19nmfMCWVgOFErGDCjRj0mFhubfocQbq9ME6dzcmA9WxZ9mJIcYVH5BGIqKN2W2SGHctcmH/g wVxpkLCwLDiD4W/JRG2BFw2WcKyS76yVwFwWiVB1OQxXpZ/UeCGUHBg X-Developer-Key: i=cedricjustine.encarnacion@analog.com; a=ed25519; pk=ZsngY3B4sfltPVR5j8+IO2Sr8Db8Ck+fVCs+Qta+Wlc= X-ADIRuleOP-NewSCL: Rule Triggered X-Authority-Analysis: v=2.4 cv=RaiQC0tv c=1 sm=1 tr=0 ts=680637a2 cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=VwQbUJbxAAAA:8 a=gAnH3GRIAAAA:8 a=AJfnRGXR9aJ9-Gz2uG0A:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: Yv_yTgn6-Ywz2Kcd7ulpSelN1wzd2eO7 X-Proofpoint-ORIG-GUID: Yv_yTgn6-Ywz2Kcd7ulpSelN1wzd2eO7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-21_06,2025-04-21_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 impostorscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 clxscore=1011 phishscore=0 mlxscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504210095 Introduce hardware monitoring and regulator support for LT3074. The component is an ultrafast, ultralow noise 3A, 5.5V dropout linear regulator with a PMBus serial interface that allows telemetry for input/output voltage, output current, and die temperature. It has a single channel and requires a bias voltage which can be monitored via manufacturer-specific registers. Signed-off-by: Cedric Encarnacion Reviewed-by: Krzysztof Kozlowski --- Changes in v3: - * Non-nested dt-binding regulator support. * PMBUS_REGULATOR_ONE("vout") -> PMBUS_REGULATOR_ONE("regulator"). New macro needs node-name to be matched. - Link to v2: https://lore.kernel.org/r/20250225-upstream-lt3074-v2-0-18ad10ba542e@analog.com Changes in v2: * Separated dt-binding for LT3074. * Added __maybe_unused attribute to of_device_id. This addresses kernel test robot warning. * Added entry to MAINTAINERS. - Link to v1: https://lore.kernel.org/r/20250124-upstream-lt3074-v1-0-7603f346433e@analog.com --- Cedric Encarnacion (2): dt-bindings: hwmon: pmbus: add lt3074 hwmon: (pmbus/lt3074): add support for lt3074 .../bindings/hwmon/pmbus/adi,lt3074.yaml | 50 +++++++++ Documentation/hwmon/index.rst | 1 + Documentation/hwmon/lt3074.rst | 72 ++++++++++++ MAINTAINERS | 9 ++ drivers/hwmon/pmbus/Kconfig | 18 +++ drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/lt3074.c | 122 +++++++++++++++++++++ 7 files changed, 273 insertions(+) --- base-commit: 86d264b68309d9f9804db4079642b98104ca15df change-id: 20250124-upstream-lt3074-123384246e0b Best regards,