dt-bindings: Add ROHM BD79703

The ROHM BD79703 is a 8-bit, 6 channel DAC. Describe the dt-bindings. Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://patch.msgid.link/51ed31c494ea7385940b59500e8592d12558e291.1734608215.git.mazziesaccount@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-12-19 13:39:11 +02:00
parent 898918d673
commit f6ed0ca1d9
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2024 ROHM Semiconductor.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/rohm,bd79703.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ROHM BD79703 DAC device driver
+
+maintainers:
+  - Matti Vaittinen <mazziesaccount@gmail.com>
+
+description: |
+  The ROHM BD79703 is a 6 channel, 8-bit DAC.
+  Datasheet can be found here:
+  https://fscdn.rohm.com/en/products/databook/datasheet/ic/data_converter/dac/bd79702fv-lb_bd79703fv-lb-e.pdf
+
+properties:
+  compatible:
+    const: rohm,bd79703
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 30000000
+
+  vfs-supply:
+    description:
+      The regulator to use as a full scale voltage. The voltage should be between 2.7V .. VCC
+
+  vcc-supply:
+    description:
+      The regulator supplying the operating voltage. Should be between 2.7V ... 5.5V
+
+required:
+  - compatible
+  - reg
+  - spi-max-frequency
+  - vfs-supply
+  - vcc-supply
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        dac@0 {
+            compatible = "rohm,bd79703";
+            reg = <0>;
+            spi-max-frequency = <30000000>;
+            vcc-supply = <&vcc>;
+            vfs-supply = <&vref>;
+        };
+    };
+...