irrigation_system/software/apps/can_node/dts/bindings/st,vnd7050aj.yaml

89 lines
2.0 KiB
YAML

# Copyright (c) 2024, Eduard Iten
# SPDX-License-Identifier: Apache-2.0
description: |
STMicroelectronics VND7050AJ dual-channel high-side driver.
This is a GPIO and ADC controlled device.
compatible: "st,vnd7050aj"
include: base.yaml
properties:
input0-gpios:
type: phandle-array
required: true
description: GPIO to control output channel 0.
input1-gpios:
type: phandle-array
required: true
description: GPIO to control output channel 1.
select0-gpios:
type: phandle-array
required: true
description: GPIO for MultiSense selection bit 0.
select1-gpios:
type: phandle-array
required: true
description: GPIO for MultiSense selection bit 1.
sense-enable-gpios:
type: phandle-array
required: true
description: GPIO to enable the MultiSense output.
fault-reset-gpios:
type: phandle-array
required: true
description: GPIO to reset a latched fault (active-low).
io-channels:
type: phandle-array
required: true
description: |
ADC channel connected to the MultiSense pin. This should be an
io-channels property pointing to the ADC controller and channel number.
r-sense-ohms:
type: int
required: true
description: |
Value of the external sense resistor connected from the MultiSense
pin to GND, specified in Ohms. This is critical for correct
conversion of the analog readings.
k-factor:
type: int
default: 1500
description: |
Factor between PowerMOS and SenseMOS.
k-vcc:
type: int
default: 8000
description: |
VCC sense ratio multiplied by 1000. Used for supply voltage calculation.
t-sense-0:
type: int
default: 25
description: |
Temperature sense reference temperature in degrees Celsius.
v-sense-0:
type: int
default: 2070
description: |
Temperature sense reference voltage in millivolts.
k-tchip:
type: int
default: -5500
description: |
Temperature sense gain coefficient multiplied by 1000.
Used for chip temperature calculation.