Add binding for Sitronix ST7920 display. Signed-off-by: Iker Pedrosa <[email protected]> --- .../bindings/display/sitronix,st7920.yaml | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/sitronix,st7920.yaml b/Documentation/devicetree/bindings/display/sitronix,st7920.yaml new file mode 100644 index 0000000000000000000000000000000000000000..b4c16825f254f1b8345a2532271042350e3a5e26 --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7920.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/sitronix,st7920.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sitronix ST7920 LCD Display Controllers + +maintainers: + - Iker Pedrosa <[email protected]> + +description: + The Sitronix ST7920 is a controller for monochrome dot-matrix graphical LCDs, + most commonly used for 128x64 pixel displays. + +properties: + compatible: + const: sitronix,st7920 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 600000 + +required: + - compatible + - reg + - spi-max-frequency + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0 { + compatible = "sitronix,st7920"; + reg = <0>; + spi-max-frequency = <600000>; + spi-cs-high; + }; + }; -- 2.51.0
