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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
