1 .. SPDX-License-Identifier: GPL-2.0-or-later 2 3 Kernel driver mc34vr500 4 ======================= 5 6 Supported Chips: 7 8 * NXP MC34VR500 9 10 Prefix: 'mc34vr500' 11 12 Datasheet: https://www.nxp.com/docs/en/data-sheet/MC34VR500.pdf 13 14 Author: Mario Kicherer <dev@kicherer.org> 15 16 Description 17 ----------- 18 19 This driver implements initial support for the NXP MC34VR500 PMIC. The MC34VR500 20 monitors the temperature, input voltage and output currents and provides 21 corresponding alarms. For the temperature, the chip can send interrupts if 22 the temperature rises above one of the following values: 110°, 120°, 125° and 23 130° Celsius. For the input voltage, an interrupt is sent when the voltage 24 drops below 2.8V. 25 26 Currently, this driver only implements the input voltage and temperature 27 alarms. The interrupts are mapped as follows: 28 29 <= 2.8V -> in0_min_alarm 30 >110°c -> temp1_max_alarm 31 >120°c -> temp1_crit_alarm 32 >130°c -> temp1_emergency_alarm
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