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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2021-06-27 19:32:44 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-07-19 11:51:59 +0300
commitf21a5f7215420c513d2bb2d21fdf24c9a550922e (patch)
treebe82cf1fa2bd5e3d42487cff79bb14ebca054f65
parent906b00437e71764624f666b75abfe45b087b17c8 (diff)
downloadlinux-f21a5f7215420c513d2bb2d21fdf24c9a550922e.tar.xz
dt-bindings: iio: dac: microchip,mcp4922: Add missing binding document
Simple binding for this family of microchip DACs. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Michael Welling <mwelling@ieee.org> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20210627163244.1090296-16-jic23@kernel.org
-rw-r--r--Documentation/devicetree/bindings/iio/dac/microchip,mcp4922.yaml46
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/dac/microchip,mcp4922.yaml b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4922.yaml
new file mode 100644
index 000000000000..12a14b3f36cb
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4922.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/microchip,mcp4922.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip MCP4902, MCP4912 and MPC4922 dual output SPI DACs
+
+maintainers:
+ - Jonathan Cameron <jic23@kernel.org>
+ - Michael Welling <mwelling@ieee.org>
+
+properties:
+ compatible:
+ enum:
+ - microchip,mcp4902
+ - microchip,mcp4912
+ - microchip,mcp4922
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency: true
+
+ vref-supply: true
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - vref-supply
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dac@0 {
+ compatible = "microchip,mcp4912";
+ reg = <0>;
+ vref-supply = <&dac_vref>;
+ };
+ };
+...