iio: dac: Add AD5413 support

Documentation/devicetree/bindings/iio/dac/adi,ad5413.yaml

@@ -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:
+    description: Output digital slew control time in microseconds
+    minimum: 0
+    maximum: 1000000
+    default: 0
+
+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 1>; /* 1 = active low */
+            avdd-supply = <&avdd>;
+            dvdd-supply = <&dvdd>;
+            avss-supply = <&avss>;
+            adi,range-microamp = <0 24000>;
+            adi,slew-time-us = <125>;
+        };
+    };

drivers/iio/Kconfig.adi

@@ -96,6 +96,7 @@ config IIO_ALL_ADI_DRIVERS
 	imply AD5360
 	imply AD5380
 	imply AD5421
+	imply AD5413
 	imply AD5624R_SPI if SPI
 	imply AD3552R
 	imply AD3552R_HS

drivers/iio/dac/Kconfig

@@ -96,6 +96,16 @@ 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 ad5413.
+
 config AD5421
 	tristate "Analog Devices AD5421 DAC driver"
 	depends on SPI
@@ -597,5 +607,4 @@ config VF610_DAC
 
 	  This driver can also be built as a module. If so, the module will
 	  be called vf610_dac.
-
 endmenu

drivers/iio/dac/Makefile

@@ -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