[PATCH v4 2/3] docs: hwmon: add docs for the NXP MC34VR500 PMIC

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Add documentation for the NXP MC34VR500 PMIC.

Signed-off-by: Mario Kicherer <dev@xxxxxxxxxxxx>
---
 Documentation/hwmon/mc34vr500.rst | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Documentation/hwmon/mc34vr500.rst

diff --git a/Documentation/hwmon/mc34vr500.rst b/Documentation/hwmon/mc34vr500.rst
new file mode 100644
index 000000000000..c9e3b44fb04f
--- /dev/null
+++ b/Documentation/hwmon/mc34vr500.rst
@@ -0,0 +1,30 @@
+Kernel driver mc34vr500
+=======================
+
+Supported Chips:
+
+  * NXP MC34VR500
+
+    Prefix: 'mc34vr500'
+
+    Datasheet: https://www.nxp.com/docs/en/data-sheet/MC34VR500.pdf
+
+Author: Mario Kicherer <dev@xxxxxxxxxxxx>
+
+Description
+-----------
+
+This driver implements initial support for the NXP MC34VR500 PMIC. The MC34VR500
+monitors the temperature, input voltage and output currents and provides
+corresponding alarms. For the temperature, the chip can send interrupts if
+the temperature rises above one of the following values: 110°, 120°, 125° and
+130° Celsius. For the input voltage, an interrupt is sent when the voltage
+drops below 2.8V.
+
+Currently, this driver only implements the input voltage and temperature
+alarms. The interrupts are mapped as follows:
+
+<= 2.8V  -> in0_min_alarm
+>110°c   -> temp1_max_alarm
+>120°c   -> temp1_crit_alarm
+>130°c   -> temp1_emergency_alarm
-- 
2.34.1




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