Add initial device tree documentation for Maxim MAX6958/6959. As per reviewer's request mention the fact of absence reset and power enable pins, since the hardware is quite simple. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- .../bindings/auxdisplay/maxim,max6959.yaml | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/auxdisplay/maxim,max6959.yaml diff --git a/Documentation/devicetree/bindings/auxdisplay/maxim,max6959.yaml b/Documentation/devicetree/bindings/auxdisplay/maxim,max6959.yaml new file mode 100644 index 000000000000..6c78bb185348 --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/maxim,max6959.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/auxdisplay/maxim,max6959.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MAX6958/6959 7-segment LED display controller + +maintainers: + - Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> + +description: + The Maxim MAX6958/6959 7-segment LED display controller provides + an I2C interface to up to four 7-segment LED digits. The MAX6959, + in comparison to MAX6958, adds input support. Type of the chip can + be autodetected via specific register read, and hence the features + may be enabled in the driver at run-time, in case they are requested + via Device Tree. A given hardware is simple and does not provide + any additional pins, such as reset or enable. + +properties: + compatible: + const: maxim,max6959 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + display-controller@38 { + compatible = "maxim,max6959"; + reg = <0x38>; + }; + }; -- 2.43.0.rc1.1.gbec44491f096
