linux-kernel - [PATCH 0/5] hwmon: pmbus: Add support for MPM82504 and MPM3695-10

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Message-ID: <20250428221420.2077697-1-paweldembicki@gmail.com>
Date: Tue, 29 Apr 2025 00:13:30 +0200
From: Pawel Dembicki <paweldembicki@...il.com>
To: linux-hwmon@...r.kernel.org
Cc: Pawel Dembicki <paweldembicki@...il.com>,
	Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jonathan Corbet <corbet@....net>,
	Greg KH <gregkh@...uxfoundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	Shen Lichuan <shenlichuan@...o.com>,
	Charles Hsu <ythsu0511@...il.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org
Subject: [PATCH 0/5] hwmon: pmbus: Add support for MPM82504 and MPM3695-10

This series extends the hwmon PMBus driver for the MPS MPQ8785 to support
two additional Monolithic Power Systems devices: the MPM82504 and
MPM3695-10.

The driver is restructured to support multiple devices using device tree
matching. It also introduces an optional "voltage-scale-loop"
property to configure the VOUT_SCALE_LOOP PMBus register, which adjusts
reported output voltages depending on the external feedback divider.

Device tree bindings are updated accordingly.

Changes have been tested on hardware with device-tree based matching
using both the MPM82504 and MPM3695-10.

Signed-off-by: Pawel Dembicki <paweldembicki@...il.com>

Pawel Dembicki (5):
  hwmon: pmbus: mpq8785: Prepare driver for multiple device support
  hwmon: pmbus: mpq8785: Add support for MPM82504
  hwmon: pmbus: mpq8785: Add support for MPM3695
  hwmon: pmbus: mpq8785: Implement voltage scale loop configuration
  dt-bindings: hwmon: Add bindings for mpq8785 driver

 .../bindings/hwmon/pmbus/mps,mpq8785.yaml     | 54 ++++++++++++++++
 Documentation/hwmon/mpq8785.rst               | 29 +++++++--
 drivers/hwmon/pmbus/mpq8785.c                 | 61 ++++++++++++++++---
 3 files changed, 131 insertions(+), 13 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/mps,mpq8785.yaml

-- 
2.43.0