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iio: dac: Add AD5413 support #2786

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88 changes: 88 additions & 0 deletions Documentation/devicetree/bindings/iio/dac/adi,ad5413.yaml
Original file line number Diff line number Diff line change
@@ -0,0 +1,88 @@
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/dac/adi,ad5413.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Analog Devices AD5413 DAC

maintainers:
- Bruce Tsao <[email protected]>

properties:
compatible:
const: adi,ad5413

reg:
maxItems: 1

spi-max-frequency:
maximum: 50000000

reset-gpios: true

avdd-supply:
description: Analog positive supply (AVDD)

dvdd-supply:
description: Digital positive supply (DVDD)

avss-supply:
description: Analog negative supply (AVSS)

adi,range-microvolt:
description: Voltage output range <min, max> in microvolts
oneOf:
- items:
- const: -10500000
- const: 10500000
- items:
- const: -12600000
- const: 12600000

adi,range-microamp:
description: Current output range <min, max> in microamps
items:
- const: 0
- const: 24000

adi,slew-time-us:
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Probably need a default: for this one.

description: Output digital slew control time in microseconds
minimum: 0
maximum: 1000000
default: 0

required:
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Power supplies should also be required.

- compatible
- reg
- spi-max-frequency
- avdd-supply
- dvdd-supply
- avss-supply

allOf:
- $ref: /schemas/spi/spi-peripheral-props.yaml#
- oneOf:
- required: ['adi,range-microamp']
- required: ['adi,range-microvolt']

unevaluatedProperties: false

examples:
- |
spi {
#address-cells = <1>;
#size-cells = <0>;

dac@0 {
compatible = "adi,ad5413";
reg = <0>;
spi-max-frequency = <1000000>;
reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
avdd-supply = <&avdd>;
dvdd-supply = <&dvdd>;
avss-supply = <&avss>;
adi,range-microvolt = <(-10500000) 10500000>;
adi,slew-time-us = <125>;
};
};
11 changes: 10 additions & 1 deletion drivers/iio/dac/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,16 @@ config AD5380
To compile this driver as module choose M here: the module will be called
ad5380.

config AD5413
tristate "Analog Devices AD5413 DAC driver"
depends on SPI_MASTER
help
Say yes here to build support for Analog Devices AD5413 single channel
Digital to Analog Converter.

To compile this driver as a module, choose M here: the
module will be called ad5758.

config AD5421
tristate "Analog Devices AD5421 DAC driver"
depends on SPI
Expand Down Expand Up @@ -563,5 +573,4 @@ config VF610_DAC

This driver can also be built as a module. If so, the module will
be called vf610_dac.

endmenu
1 change: 1 addition & 0 deletions drivers/iio/dac/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ obj-$(CONFIG_AD3552R) += ad3552r.o
obj-$(CONFIG_AD5270) += ad5270.o
obj-$(CONFIG_AD5360) += ad5360.o
obj-$(CONFIG_AD5380) += ad5380.o
obj-$(CONFIG_AD5413) += ad5413.o
obj-$(CONFIG_AD5421) += ad5421.o
obj-$(CONFIG_AD5624R_SPI) += ad5624r_spi.o
obj-$(CONFIG_AD5064) += ad5064.o
Expand Down
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