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SubjectRe: [PATCH v3 2/2] dt-bindings: pinctrl: add bindings for Milbeaut pin controller
On Thu, Nov 25, 2021 at 10:58 AM Sugaya Taichi
<sugaya.taichi@socionext.com> wrote:

> Add Device Tree bindings documentation for pin controller of
> the Milbeaut SoCs.
>
> Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>

What is weird about this binding is what is not there:
this is just GPIO, where are the pin mux and config
nodes? The driver surely tries to use them.

Please use the existing standard bindings for functions
and groups etc, check the other bindings.

Yours,
Linus Walleij

> ---
> .../pinctrl/socionext,milbeaut-pinctrl.yaml | 51 ++++++++++++++++++++++
> 1 file changed, 51 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pinctrl/socionext,milbeaut-pinctrl.yaml
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/socionext,milbeaut-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/socionext,milbeaut-pinctrl.yaml
> new file mode 100644
> index 0000000..78bc2d4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/socionext,milbeaut-pinctrl.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/socionext,milbeaut-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Milbeaut SoCs pin controller
> +
> +maintainers:
> + - Taichi Sugaya <sugaya.taichi@socionext.com>
> +
> +description: |
> + Bindings for memory-mapped pin controller of the Milbeaut SoCs.
> +
> +properties:
> + $nodename:
> + pattern: "pinctrl"
> +
> + compatible:
> + enum:
> + - socionext,milbeaut-m10v-pinctrl
> +
> + reg:
> + maxItems: 1
> +
> + reg-names:
> + const: "pinctrl"
> +
> + gpio-controller: true
> +
> + "#gpio-cells":
> + const: 2
> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> + - gpio-controller
> + - "#gpio-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + pinctrl: pinctrl@1d022000 {
> + compatible = "socionext,milbeaut-m10v-pinctrl";
> + reg = <0x1d022000 0x1000>;
> + reg-names = "pinctrl";
> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> --
> 2.7.4
>

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