On Fri, Nov 17, 2023 at 01:00:37PM +0530, Anshul Dalal wrote: > Adds support for MCP48xx series of DACs. > > Datasheet: > [MCP48x1] https://ww1.microchip.com/downloads/en/DeviceDoc/22244B.pdf > [MCP48x2] https://ww1.microchip.com/downloads/en/DeviceDoc/20002249B.pdf > > Signed-off-by: Anshul Dalal <anshulusr@xxxxxxxxx> Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Cheers, Conor. > --- > .../bindings/iio/dac/microchip,mcp4821.yaml | 63 +++++++++++++++++++ > 1 file changed, 63 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.yaml > > diff --git a/Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.yaml b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.yaml > new file mode 100644 > index 000000000000..904de15300bd > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.yaml > @@ -0,0 +1,63 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/dac/microchip,mcp4821.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Microchip MCP4821 and similar DACs > + > +description: | > + Supports MCP48x1 (single channel) and MCP48x2 (dual channel) series of DACs. > + Device supports simplex communication over SPI in Mode 0,1 and Mode 1,1. > + > + +---------+--------------+-------------+ > + | Device | Resolution | Channels | > + |---------|--------------|-------------| > + | MCP4801 | 8-bit | 1 | > + | MCP4811 | 10-bit | 1 | > + | MCP4821 | 12-bit | 1 | > + | MCP4802 | 8-bit | 2 | > + | MCP4812 | 10-bit | 2 | > + | MCP4822 | 12-bit | 2 | > + +---------+--------------+-------------+ > + > + Datasheet: > + MCP48x1: https://ww1.microchip.com/downloads/en/DeviceDoc/22244B.pdf > + MCP48x2: https://ww1.microchip.com/downloads/en/DeviceDoc/20002249B.pdf > + > +maintainers: > + - Anshul Dalal <anshulusr@xxxxxxxxx> > + > +properties: > + compatible: > + enum: > + - microchip,mcp4801 > + - microchip,mcp4811 > + - microchip,mcp4821 > + - microchip,mcp4802 > + - microchip,mcp4812 > + - microchip,mcp4822 > + > + reg: > + maxItems: 1 > + > + vdd-supply: true > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + - | > + spi { > + #address-cells = <1>; > + #size-cells = <0>; > + > + dac@0 { > + compatible = "microchip,mcp4821"; > + reg = <0>; > + vdd-supply = <&vdd_regulator>; > + }; > + }; > -- > 2.42.1 >
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