iio: dac: add ad5706r

Documentation/devicetree/bindings/iio/dac/adi,ad5706r.yaml

@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/adi,ad5706r.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD5706R 4-Channel Current Output DAC
+
+maintainers:
+  - Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
+
+description: |
+  The AD5706R is a 4-channel, 16-bit current output DAC with SPI interface.
+
+properties:
+  compatible:
+    const: adi,ad5706r
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 100000000
+
+  clocks:
+    items:
+      - description: SPI clock generator
+
+  clock-names:
+    items:
+      - const: spi_clk
+
+  pwms:
+    items:
+      - description: SPI engine PWM generator
+      - description: LDACB PWM control
+
+  pwm-names:
+    items:
+      - const: spi_engine_pwm_gen
+      - const: ad5706r_ldacb
+
+  dac-resetb-gpios:
+    maxItems: 1
+    description: GPIO for DAC reset
+
+  dac-shdn-gpios:
+    maxItems: 1
+    description: GPIO for DAC shutdown
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@0 {
+            compatible = "adi,ad5706r";
+            reg = <0>;
+            spi-max-frequency = <10000000>;
+            clocks = <&clkgen 0>;
+            clock-names = "spi_clk";
+            pwms = <&pwm0 0 1000>, <&pwm1 0 1000>;
+            pwm-names = "spi_engine_pwm_gen", "ad5706r_ldacb";
+            dac-resetb-gpios = <&gpio0 10 0>;
+            dac-shdn-gpios = <&gpio0 11 0>;
+        };
+    };
+...

MAINTAINERS

@@ -1317,6 +1317,14 @@ F:	Documentation/iio/ad4695.rst
 F:	drivers/iio/adc/ad4695.c
 F:	include/dt-bindings/iio/adc/adc/adi,ad4695.h
 
+ANALOG DEVICES AD5706R DRIVER
+M:	Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
+L:	linux-iio@vger.kernel.org
+S:	Supported
+W:	https://ez.analog.com/linux-software-drivers
+F:	Documentation/devicetree/bindings/iio/dac/adi,ad5706r.yaml
+F:	drivers/iio/dac/ad5706r.c
+
 ANALOG DEVICES INC AD7091R DRIVER
 M:	Marcelo Schmitt <marcelo.schmitt@analog.com>
 L:	linux-iio@vger.kernel.org

drivers/iio/Kconfig.adi

@@ -106,6 +106,7 @@ config IIO_ALL_ADI_DRIVERS
 	imply AD5592R_BASE
 	imply AD5592R
 	imply AD5593R
+	imply AD5706R
 	imply AD5755
 	imply AD5758
 	imply AD5761

drivers/iio/dac/Kconfig

@@ -173,6 +173,17 @@ config AD5624R_SPI
 	  Say yes here to build support for Analog Devices AD5624R, AD5644R and
 	  AD5664R converters (DAC). This driver uses the common SPI interface.
 
+config AD5706R
+	tristate "Analog Devices AD5706R DAC driver"
+	depends on SPI
+	select IIO_BUFFER
+	help
+	  Say yes here to build support for Analog Devices AD5706R 4-channel,
+	  16-bit current output DAC.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ad5706r.
+
 config AD9739A
 	tristate "Analog Devices AD9739A RF DAC spi driver"
 	depends on SPI

drivers/iio/dac/Makefile

@@ -20,6 +20,7 @@ obj-$(CONFIG_AD5449) += ad5449.o
 obj-$(CONFIG_AD5592R_BASE) += ad5592r-base.o
 obj-$(CONFIG_AD5592R) += ad5592r.o
 obj-$(CONFIG_AD5593R) += ad5593r.o
+obj-$(CONFIG_AD5706R) += ad5706r.o
 obj-$(CONFIG_AD5755) += ad5755.o
 obj-$(CONFIG_AD5758) += ad5758.o
 obj-$(CONFIG_AD5761) += ad5761.o