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2023-10-10dt-bindings: iio: add missing reset-gpios constrainKrzysztof Kozlowski
The Documentation/devicetree/bindings/gpio/gpio-consumer-common.yaml schema does not enforce number of reset GPIOs, thus each device binding must do it. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20231005083650.92222-1-krzysztof.kozlowski@linaro.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-07-15dt-bindings: iio: adi,ad74115: remove ref from -nanoampKrzysztof Kozlowski
dtschema v2023.06 comes with support for properties with -nanoamp suffix, thus bindings should not have a ref for it: adi,ad74115.yaml: properties:adi,ext1-burnout-current-nanoamp: '$ref' should not be valid under {'const': '$ref'} Cc: Cosmin Tanislav <demonsingur@gmail.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20230712080512.94964-1-krzysztof.kozlowski@linaro.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-03-12dt-bindings: iio: ad74413r: allow setting sink current for digital inputRasmus Villemoes
Depending on the actual hardware wired up to a digital input channel, it may be necessary to configure the ad74413r to sink a small current. For example, in the case of a simple mechanical switch, the charge on the external 68 nF capacitor (cf. the data sheet's Figure 34) will keep the channel as reading high even after the switch is turned off again. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230306094301.1357543-2-linux@rasmusvillemoes.dk Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23dt-bindings: iio: ad74413r: add optional reset-gpiosRasmus Villemoes
The ad74412 and ad74413 devices have an active-low reset pin. Add a binding allowing one to specify a gpio tied to that. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221115095517.1008632-3-linux@rasmusvillemoes.dk Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23dt-bindings: iio: addac: add AD74115Cosmin Tanislav
The AD74115H is a single-channel, software-configurable, input and output device for industrial control applications. The AD74115H provides a wide range of use cases, integrated on a single chip. These use cases include analog output, analog input, digital output, digital input, resistance temperature detector (RTD), and thermocouple measurement capability. The AD74115H also has an integrated HART modem. A serial peripheral interface (SPI) is used to handle all communications to the device, including communications with the HART modem. The digital input and digital outputs can be accessed via the SPI or the general-purpose input and output (GPIO) pins to support higher speed data rates. The device features a 16-bit, sigma-delta analog-to-digital converter (ADC) and a 14-bit digital-to-analog converter (DAC). The AD74115H contains a high accuracy 2.5 V on-chip reference that can be used as the DAC and ADC reference. Signed-off-by: Cosmin Tanislav <cosmin.tanislav@analog.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20221117080916.411766-2-cosmin.tanislav@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23dt-bindings: iio: addac: adi,ad74413r: improve exampleKrzysztof Kozlowski
Improve example by: dropping unrelated properties (status and cs-gpios) and using generic node name. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20221004115642.63749-2-krzysztof.kozlowski@linaro.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23dt-bindings: iio: addac: adi,ad74413r: use spi-peripheral-props.yamlKrzysztof Kozlowski
Reference the spi-peripheral-props.yaml schema to allow using all properties typical for SPI-connected devices, even these which device bindings author did not tried yet. While changing additionalProperties->unevaluatedProperties, put it in typical place, just before example DTS. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20221004115642.63749-1-krzysztof.kozlowski@linaro.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-08-30dt-bindings: iio: Add missing (unevaluated|additional)Properties on child nodesRob Herring
In order to ensure only documented properties are present, node schemas must have unevaluatedProperties or additionalProperties set to false (typically). Signed-off-by: Rob Herring <robh@kernel.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220823145649.3118479-2-robh@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-12-12dt-bindings: iio: add AD74413RCosmin Tanislav
The AD74412R and AD74413R are quad-channel, software configurable, input/output solutions for building and process control applications. They contain functionality for analog output, analog input, digital input, resistance temperature detector, and thermocouple measurements integrated into a single chip solution with an SPI interface. The devices feature a 16-bit ADC and four configurable 13-bit DACs to provide four configurable input/output channels and a suite of diagnostic functions. The AD74413R differentiates itself from the AD74412R by being HART-compatible. Signed-off-by: Cosmin Tanislav <cosmin.tanislav@analog.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20211205114045.173612-3-cosmin.tanislav@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>