mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-06 04:41:28 +00:00
c7c9b1d169
There were a few parts of the example that did not conform to the binding description and would not have worked with the Linux driver as a result. Fixed them whilst doing this conversion. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Matt Ranostay <matt.ranostay@konsulko.com> Cc: Matt Ranostay <matt.ranostay@konsulko.com> Link: https://lore.kernel.org/r/20201031181242.742301-11-jic23@kernel.org
69 lines
1.6 KiB
YAML
69 lines
1.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/iio/potentiostat/ti,lmp91000.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Texas Instruments LMP91000 series of potentiostats with I2C control
|
|
|
|
maintainers:
|
|
- Matt Ranostay <matt.ranostay@konsulko.com>
|
|
|
|
description: |
|
|
Typically used as a signal conditioner for chemical sensors.
|
|
LMP91000: https://www.ti.com/lit/ds/symlink/lmp91000.pdf
|
|
LMP91002: https://www.ti.com/lit/ds/symlink/lmp91002.pdf
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- ti,lmp91000
|
|
- ti,lmp91002
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
io-channels:
|
|
maxItems: 1
|
|
|
|
ti,external-tia-resistor:
|
|
$ref: /schemas/types.yaml#/definitions/flag
|
|
description:
|
|
If the property ti,tia-gain-ohm is not defined this needs to be set to
|
|
signal that an external resistor value is being used.
|
|
|
|
ti,tia-gain-ohm:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
enum: [2750, 3500, 7000, 14000, 35000, 120000, 350000]
|
|
description:
|
|
Internal resistor for the transimpedance amplifier.
|
|
|
|
ti,rload-ohm:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
enum: [10, 33, 50, 100]
|
|
description:
|
|
Internal resistor load applied to the gas sensor.
|
|
Default 100 Ohms.
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- io-channels
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
i2c {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
lmp91000@48 {
|
|
compatible = "ti,lmp91000";
|
|
reg = <0x48>;
|
|
ti,tia-gain-ohm = <7000>;
|
|
ti,rload-ohm = <100>;
|
|
io-channels = <&adc>;
|
|
};
|
|
};
|
|
...
|