mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-14 07:44:21 +08:00
dt-bindings: iio: dac: Add adi,ltc2672.yaml
Add documentation for ltc2672. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Co-developed-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com> Link: https://patch.msgid.link/20240718051834.32270-6-kimseer.paller@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Kim Seer Paller
Jonathan Cameron
parent
2f472da995
commit
dd554d1a72
160
Documentation/devicetree/bindings/iio/dac/adi,ltc2672.yaml
Normal file
160
Documentation/devicetree/bindings/iio/dac/adi,ltc2672.yaml
Normal file
@ -0,0 +1,160 @@
|
||||
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
||||
%YAML 1.2
|
||||
---
|
||||
$id: http://devicetree.org/schemas/iio/dac/adi,ltc2672.yaml#
|
||||
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||||
|
||||
title: Analog Devices LTC2672 DAC
|
||||
|
||||
maintainers:
|
||||
- Michael Hennerich <michael.hennerich@analog.com>
|
||||
- Kim Seer Paller <kimseer.paller@analog.com>
|
||||
|
||||
description: |
|
||||
Analog Devices LTC2672 5 channel, 12-/16-Bit, 300mA DAC
|
||||
https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2672.pdf
|
||||
|
||||
properties:
|
||||
compatible:
|
||||
enum:
|
||||
- adi,ltc2672
|
||||
|
||||
reg:
|
||||
maxItems: 1
|
||||
|
||||
spi-max-frequency:
|
||||
maximum: 50000000
|
||||
|
||||
vcc-supply:
|
||||
description: Analog Supply Voltage Input.
|
||||
|
||||
v-neg-supply:
|
||||
description: Negative Supply Voltage Input.
|
||||
|
||||
vdd0-supply:
|
||||
description: Positive Supply Voltage Input for DAC OUT0.
|
||||
|
||||
vdd1-supply:
|
||||
description: Positive Supply Voltage Input for DAC OUT1.
|
||||
|
||||
vdd2-supply:
|
||||
description: Positive Supply Voltage Input for DAC OUT2.
|
||||
|
||||
vdd3-supply:
|
||||
description: Positive Supply Voltage Input for DAC OUT3.
|
||||
|
||||
vdd4-supply:
|
||||
description: Positive Supply Voltage Input for DAC OUT4.
|
||||
|
||||
iovcc-supply:
|
||||
description: Digital Input/Output Supply Voltage.
|
||||
|
||||
ref-supply:
|
||||
description:
|
||||
Reference Input/Output. The voltage at the REF pin sets the full-scale
|
||||
range of all channels. If not provided the internal reference is used and
|
||||
also provided on the VREF pin.
|
||||
|
||||
reset-gpios:
|
||||
description:
|
||||
Active Low Asynchronous Clear Input. A logic low at this level triggered
|
||||
input clears the device to the default reset code and output range, which
|
||||
is zero-scale with the outputs off. The control registers are cleared to
|
||||
zero.
|
||||
maxItems: 1
|
||||
|
||||
adi,rfsadj-ohms:
|
||||
description:
|
||||
If FSADJ is tied to VCC, an internal RFSADJ (20 kΩ) is selected, which
|
||||
results in nominal output ranges. When an external resistor of 19 kΩ to
|
||||
41 kΩ can be used instead by connecting the resistor between FSADJ and GND
|
||||
it controls the scaling of the ranges, and the internal resistor is
|
||||
automatically disconnected.
|
||||
minimum: 19000
|
||||
maximum: 41000
|
||||
default: 20000
|
||||
|
||||
io-channels:
|
||||
description:
|
||||
ADC channel to monitor voltages and currents at the MUX pin.
|
||||
maxItems: 1
|
||||
|
||||
'#address-cells':
|
||||
const: 1
|
||||
|
||||
'#size-cells':
|
||||
const: 0
|
||||
|
||||
patternProperties:
|
||||
"^channel@[0-4]$":
|
||||
$ref: dac.yaml
|
||||
type: object
|
||||
additionalProperties: false
|
||||
|
||||
properties:
|
||||
reg:
|
||||
description: The channel number representing the DAC output channel.
|
||||
maximum: 4
|
||||
|
||||
adi,toggle-mode:
|
||||
description:
|
||||
Set the channel as a toggle enabled channel. Toggle operation enables
|
||||
fast switching of a DAC output between two different DAC codes without
|
||||
any SPI transaction.
|
||||
type: boolean
|
||||
|
||||
output-range-microamp:
|
||||
items:
|
||||
- const: 0
|
||||
- enum: [3125000, 6250000, 12500000, 25000000, 50000000, 100000000,
|
||||
200000000, 300000000]
|
||||
|
||||
required:
|
||||
- reg
|
||||
- output-range-microamp
|
||||
|
||||
required:
|
||||
- compatible
|
||||
- reg
|
||||
- spi-max-frequency
|
||||
- vcc-supply
|
||||
- iovcc-supply
|
||||
- v-neg-supply
|
||||
|
||||
allOf:
|
||||
- $ref: /schemas/spi/spi-peripheral-props.yaml#
|
||||
|
||||
additionalProperties: false
|
||||
|
||||
examples:
|
||||
- |
|
||||
spi {
|
||||
#address-cells = <1>;
|
||||
#size-cells = <0>;
|
||||
dac@0 {
|
||||
compatible = "adi,ltc2672";
|
||||
reg = <0>;
|
||||
spi-max-frequency = <10000000>;
|
||||
|
||||
vcc-supply = <&vcc>;
|
||||
iovcc-supply = <&vcc>;
|
||||
ref-supply = <&vref>;
|
||||
v-neg-supply = <&vneg>;
|
||||
|
||||
io-channels = <&adc 0>;
|
||||
|
||||
#address-cells = <1>;
|
||||
#size-cells = <0>;
|
||||
channel@0 {
|
||||
reg = <0>;
|
||||
adi,toggle-mode;
|
||||
output-range-microamp = <0 3125000>;
|
||||
};
|
||||
|
||||
channel@1 {
|
||||
reg = <1>;
|
||||
output-range-microamp = <0 6250000>;
|
||||
};
|
||||
};
|
||||
};
|
||||
...
|
||||
@ -13280,6 +13280,7 @@ L: linux-iio@vger.kernel.org
|
||||
S: Supported
|
||||
W: https://ez.analog.com/linux-software-drivers
|
||||
F: Documentation/devicetree/bindings/iio/dac/adi,ltc2664.yaml
|
||||
F: Documentation/devicetree/bindings/iio/dac/adi,ltc2672.yaml
|
||||
|
||||
LTC2688 IIO DAC DRIVER
|
||||
M: Nuno Sá <nuno.sa@analog.com>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user