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Message-Id: <20221125220903.8632-1-samuel@sholland.org> Date: Fri, 25 Nov 2022 16:09:03 -0600 From: Samuel Holland <samuel@...lland.org> To: Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org> Cc: Samuel Holland <samuel@...lland.org>, devicetree@...r.kernel.org, linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] dt-bindings: iio: adc: ti,adc081c: Document the binding Linux has a driver for these ADCs at drivers/iio/adc/ti-adc081c.c, but the compatible strings were undocumented. Add a binding for them. The hardware has an alert interrupt output, but existing ti,adc081c users do not provide the 'interrupts' property, so leave it as optional. Signed-off-by: Samuel Holland <samuel@...lland.org> --- .../bindings/iio/adc/ti,adc081c.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,adc081c.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/ti,adc081c.yaml b/Documentation/devicetree/bindings/iio/adc/ti,adc081c.yaml new file mode 100644 index 000000000000..caaad777580c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ti,adc081c.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/ti,adc081c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI Single-channel I2C ADCs + +maintainers: + - Jonathan Cameron <jic23@...nel.org> + - Lars-Peter Clausen <lars@...afoo.de> + +description: | + Single-channel ADC supporting 8, 10, or 12-bit samples and high/low alerts. + +properties: + compatible: + enum: + - ti,adc081c + - ti,adc101c + - ti,adc121c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vref-supply: + description: + Regulator for the combined power supply and voltage reference + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - vref-supply + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + adc@52 { + compatible = "ti,adc081c"; + reg = <0x52>; + vref-supply = <®_2p5v>; + }; + }; +... -- 2.37.4
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