linux-kernel - [PATCH 0/4] Add OF support for Microchip emc2305 fan controller

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Message-Id: <20250603113125.3175103-1-florin.leotescu@oss.nxp.com>
Date: Tue,  3 Jun 2025 14:31:21 +0300
From: florin.leotescu@....nxp.com
To: Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Florin Leotescu <florin.leotescu@....com>,
	linux-hwmon@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: viorel.suman@....com,
	carlos.song@....com,
	daniel.baluta@....com,
	linux-arm-kernel@...ts.infradead.org,
	imx@...ts.linux.dev,
	festevam@...il.com
Subject: [PATCH 0/4] Add OF support for Microchip emc2305 fan controller

From: Florin Leotescu <florin.leotescu@....com>

This patch series is a complementary follow-up to the previously accepted
patch series that added initial Device Tree (OF) support for the Microchip
EMC2305 fan controller.

https://lore.kernel.org/all/20250321143308.4008623-1-florin.leotescu@oss.nxp.com/ 

This series builds on that foundation and introduces the actual implementation
of PWM channel configuration based on DT properties:

- Adds three new attributes to the driver data structures to support
  PWM frequency, polarity and output configuration.
- Implements parsing of child nodes and 'pwms' phandle arguments from the
  Device Tree and applies the corresponding per-channel configuration.
- Prevents the PWM value from being set to a thermal-state-based minimum
  during driver probe when the temperature exceeds trip points.


Florin Leotescu (4):
  hwmon: emc2305: Add support for PWM frequency, polarity and output
  hwmon: emc2305: Configure PWM channels based on DT properties
  hwmon: emc2305: Enable PWM polarity and output configuration
  hwmon: emc2305: Set initial PWM minimum value during probe based on
    thermal state

 drivers/hwmon/emc2305.c               | 181 ++++++++++++++++++++++----
 include/linux/platform_data/emc2305.h |   6 +
 2 files changed, 163 insertions(+), 24 deletions(-)

-- 
2.34.1