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dc0756de69
Straight forward conversion from spear-adc.txt into yaml format. Signed-off-by: Rodrigo Gobbi <rodrigo.gobbi.7@gmail.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://patch.msgid.link/20250522204130.21604-1-rodrigo.gobbi.7@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
70 lines
1.6 KiB
YAML
70 lines
1.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/adc/st,spear600-adc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ST SPEAr ADC device driver
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maintainers:
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- Jonathan Cameron <jic23@kernel.org>
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description: |
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Integrated ADC inside the ST SPEAr SoC, SPEAr600, supporting
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10-bit resolution. Datasheet can be found here:
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https://www.st.com/resource/en/datasheet/spear600.pdf
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properties:
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compatible:
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enum:
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- st,spear600-adc
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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sampling-frequency:
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 2500000
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maximum: 20000000
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description:
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Default sampling frequency of the ADC in Hz.
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vref-external:
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 1000
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maximum: 2800
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description:
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External voltage reference in milli-volts. If omitted the internal voltage
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reference will be used.
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average-samples:
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 0
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maximum: 15
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default: 0
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description:
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Number of samples to generate an average value. If omitted, single data
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conversion will be used.
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required:
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- compatible
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- reg
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- interrupts
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- sampling-frequency
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additionalProperties: false
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examples:
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- |
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adc@d8200000 {
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compatible = "st,spear600-adc";
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reg = <0xd8200000 0x1000>;
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interrupt-parent = <&vic1>;
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interrupts = <6>;
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sampling-frequency = <5000000>;
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vref-external = <2500>; /* 2.5V VRef */
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};
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