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SubjectRe: [PATCH v3 2/5] dt-bindings: mfd: Document the Xylon LogiCVC multi-function device
On Fri, Sep 27, 2019 at 12:04:04PM +0200, Paul Kocialkowski wrote:
> 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@bootlin.com>
> ---
> .../bindings/mfd/xylon,logicvc.yaml | 50 +++++++++++++++++++
> 1 file changed, 50 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..abc9937506e0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/xylon,logicvc.yaml
> @@ -0,0 +1,50 @@
> +# 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@bootlin.com>
> +
> +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

I've seen a couple of these with 'syscon' today, so I fixed the schema
tool to just exclude 'syscon' and 'simple-mfd' from the generated
'select'. So you can drop select now.

Reviewed-by: Rob Herring <robh@kernel.org>

> +
> + required:
> + - compatible
> +
> +required:
> + - compatible
> + - reg
> +
> +examples:
> + - |
> + logicvc: logicvc@43c00000 {
> + compatible = "xylon,logicvc-3.02.a", "syscon", "simple-mfd";
> + reg = <0x43c00000 0x6000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + };
> --
> 2.23.0
>

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