The LogiCVC is a display engine which also exposes GPIO functionality. For this reason, it is described as a multi-function device that is expected to provide register access to its children nodes for gpio and display. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx> --- .../bindings/mfd/xylon,logicvc.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/xylon,logicvc.yaml diff --git a/Documentation/devicetree/bindings/mfd/xylon,logicvc.yaml b/Documentation/devicetree/bindings/mfd/xylon,logicvc.yaml new file mode 100644 index 000000000000..f7a2a13d7918 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/xylon,logicvc.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019 Bootlin +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/mfd/xylon,logicvc.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Xylon LogiCVC multi-function device + +maintainers: + - Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx> + +description: | + The LogiCVC is a display controller that also contains a GPIO controller. + As a result, a multi-function device is exposed as parent of the display + and GPIO blocks. + +properties: + compatible: + items: + - enum: + - xylon,logicvc-3.02.a + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + +select: + properties: + compatible: + contains: + enum: + - xylon,logicvc-3.02.a + + required: + - compatible + +required: + - compatible + - reg + +examples: + - | + &amba { + logicvc: logicvc@43c00000 { + compatible = "xylon,logicvc-3.02.a", "syscon", "simple-mfd"; + reg = <0x43c00000 0x6000>; + #address-cells = <1>; + #size-cells = <1>; + + logicvc_gpio: gpio@40 { + compatible = "xylon,logicvc-3.02.a-gpio"; + reg = <0x40 0x40>; + ... + }; + ... + }; + ... + }; -- 2.23.0
