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From: Stefan Wahren <stefan.wahren@i2se.com>
To: Jean Delvare <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>,
	Jonathan Corbet <corbet@lwn.net>, Eric Anholt <eric@anholt.net>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
	Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	Phil Elwell <phil@raspberrypi.org>,
	bcm-kernel-feedback-list@broadcom.com,
	linux-arm-kernel@lists.infradead.org,
	linux-rpi-kernel@lists.infradead.org,
	linux-hwmon@vger.kernel.org, linux-doc@vger.kernel.org,
	Stefan Wahren <stefan.wahren@i2se.com>
Subject: [PATCH V3 0/6] hwmon: Add support for Raspberry Pi voltage sensor
Date: Fri, 25 May 2018 21:24:33 +0200	[thread overview]
Message-ID: <1527276279-23876-1-git-send-email-stefan.wahren@i2se.com> (raw)

A common issue for the Raspberry Pi is an inadequate power supply. 
Noralf Trønnes started a discussion [1] about writing such undervoltage
conditions into the kernel log.

Changes in V3:
- rebase
- simplify probing

Changes in V2:
- simplified Kconfig dependency suggested by Robin Murphy
- replace dt-binding by probing from firmware driver
- add hwmon documentation
- minor improvements suggested by Guenter Roeck

[1] - https://github.com/raspberrypi/linux/issues/2367

Stefan Wahren (6):
  ARM: bcm2835: Add GET_THROTTLED firmware property
  hwmon: Add support for RPi voltage sensor
  firmware: raspberrypi: Register hwmon driver
  ARM: bcm2835_defconfig: Enable RPi voltage sensor
  ARM: multi_v7_defconfig: Enable RPi voltage sensor
  arm64: defconfig: Enable RPi voltage sensor

 Documentation/hwmon/raspberrypi-hwmon      |  22 ++++
 arch/arm/configs/bcm2835_defconfig         |   2 +-
 arch/arm/configs/multi_v7_defconfig        |   1 +
 arch/arm64/configs/defconfig               |   1 +
 drivers/firmware/raspberrypi.c             |  19 ++++
 drivers/hwmon/Kconfig                      |  10 ++
 drivers/hwmon/Makefile                     |   1 +
 drivers/hwmon/raspberrypi-hwmon.c          | 166 +++++++++++++++++++++++++++++
 include/soc/bcm2835/raspberrypi-firmware.h |   1 +
 9 files changed, 222 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/hwmon/raspberrypi-hwmon
 create mode 100644 drivers/hwmon/raspberrypi-hwmon.c

-- 
2.7.4

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             reply	other threads:[~2018-05-25 19:26 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-25 19:24 Stefan Wahren [this message]
2018-05-25 19:24 ` [PATCH V3 1/6] ARM: bcm2835: Add GET_THROTTLED firmware property Stefan Wahren
2018-05-25 19:24 ` [PATCH V3 2/6] hwmon: Add support for RPi voltage sensor Stefan Wahren
2018-05-25 19:37   ` Guenter Roeck
2018-05-30 19:21     ` Eric Anholt
2018-05-25 19:24 ` [PATCH V3 3/6] firmware: raspberrypi: Register hwmon driver Stefan Wahren
2018-05-25 19:24 ` [PATCH V3 4/6] ARM: bcm2835_defconfig: Enable RPi voltage sensor Stefan Wahren
2018-05-25 19:24 ` [PATCH V3 5/6] ARM: multi_v7_defconfig: " Stefan Wahren
2018-05-25 19:24 ` [PATCH V3 6/6] arm64: defconfig: " Stefan Wahren
2018-06-22  0:31   ` Eric Anholt

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