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Diffstat (limited to 'Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml new file mode 100644 index 000000000..333744a21 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/st,stmpe-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ADC on an STMPE multifunction device. + +maintainers: + - Stefan Agner <stefan@agner.ch> + +description: + This ADC forms part of an ST microelectronics STMPE multifunction device . + The ADC is shared with the STMPE touchscreen. As a result some ADC related + settings are specified in the parent node. + The node should be a child node of the stmpe node to which it belongs. + +properties: + compatible: + const: st,stmpe-adc + + st,norequest-mask: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Bitmask specifying which ADC channels should _not_ be + requestable due to different usage (e.g. touch). + + "#io-channel-cells": + const: 1 + +required: + - compatible + +additionalProperties: false + +examples: + - | + stmpe { + stmpe_adc { + compatible = "st,stmpe-adc"; + st,norequest-mask = <0x0F>; /* dont use ADC CH3-0 */ + }; + }; +... |