| From: |
| Stefan Wahren <stefan.wahren-AT-i2se.com> |
| To: |
| Rob Herring <robh+dt-AT-kernel.org>, Mark Rutland <mark.rutland-AT-arm.com>, Jean Delvare <jdelvare-AT-suse.com>, Guenter Roeck <linux-AT-roeck-us.net>, Eric Anholt <eric-AT-anholt.net> |
| Subject: |
| [PATCH RFC 0/6] hwmon: Add support for Raspberry Pi voltage sensor |
| Date: |
| Wed, 16 May 2018 15:37:01 +0200 |
| Message-ID: |
| <1526477827-10859-1-git-send-email-stefan.wahren@i2se.com> |
| Cc: |
| linux-hwmon-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, Florian Fainelli <f.fainelli-AT-gmail.com>, Scott Branden <sbranden-AT-broadcom.com>, Ray Jui <rjui-AT-broadcom.com>, Stefan Wahren <stefan.wahren-AT-i2se.com>, Phil Elwell <phil-AT-raspberrypi.org>, bcm-kernel-feedback-list-AT-broadcom.com, linux-rpi-kernel-AT-lists.infradead.org, linux-arm-kernel-AT-lists.infradead.org |
| Archive-link: |
| Article |
A common issue for the Raspberry Pi is an inadequate power supply.
Noralf Trønnes started a discussion [1] about writting such under-voltage
conditions into the kernel log.
This series is a draft to upstream the resulting kernel patch and is not
intended for 4.18.
[1] - https://github.com/raspberrypi/linux/issues/2367
Stefan Wahren (6):
ARM: bcm2835: Add GET_THROTTLED firmware property
dt-bindings: hwmon: Add Raspberry Pi voltage sensor
hwmon: Add support for RPi voltage sensor
ARM: bcm2835_defconfig: Enable RPi voltage sensor
ARM: multi_v7_defconfig: Enable RPi voltage sensor
arm64: defconfig: Enable RPi voltage sensor
.../bindings/hwmon/raspberrypi-hwmon.txt | 19 ++
arch/arm/configs/bcm2835_defconfig | 2 +-
arch/arm/configs/multi_v7_defconfig | 1 +
arch/arm64/configs/defconfig | 1 +
drivers/hwmon/Kconfig | 10 +
drivers/hwmon/Makefile | 1 +
drivers/hwmon/raspberrypi-hwmon.c | 207 +++++++++++++++++++++
include/soc/bcm2835/raspberrypi-firmware.h | 1 +
8 files changed, 241 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/hwmon/raspberrypi-hwmon.txt
create mode 100644 drivers/hwmon/raspberrypi-hwmon.c
--
2.7.4
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