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SubjectRe: [PATCH 1/8] dt-bindings: arm/npcm: Add binding for global control registers (GCR)
On Wed, Jun 02, 2021 at 02:03:22PM +0200, Jonathan Neuschäfer wrote:
> A nuvoton,*-gcr node is present in nuvoton-common-npcm7xx.dtsi and will
> be added to nuvoton-wpcm450.dtsi. It is necessary for the NPCM7xx and
> WPCM450 pinctrl drivers, and may later be used to retrieve SoC model and
> version information.
>
> This patch adds a binding to describe this node.
>
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
> ---
> .../bindings/arm/npcm/nuvoton,gcr.yaml | 38 +++++++++++++++++++
> 1 file changed, 38 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml
>
> diff --git a/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml
> new file mode 100644
> index 0000000000000..3174279f7713a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml
> @@ -0,0 +1,38 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/npcm/nuvoton,gcr.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Global Control Registers block in Nuvoton SoCs
> +
> +maintainers:
> + - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
> +
> +description: |
> + The Global Control Registers (GCR) are a block of registers in Nuvoton SoCs
> + that expose misc functionality such as chip model and version information or
> + pinmux settings.
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - nuvoton,wpcm450-gcr
> + - nuvoton,npcm750-gcr
> + - const: syscon
> + - const: simple-mfd

How is this a simple-mfd? There are no child nodes.

> + reg: true
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + gcr: gcr@800000 {
> + compatible = "nuvoton,npcm750-gcr", "syscon", "simple-mfd";
> + reg = <0x800000 0x1000>;
> + };
> --
> 2.30.2

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