Re: [PATCH 05/10] dt-bindings: gpio: Add AXP192 GPIO bindings

From: Rob Herring
Date: Sun Jun 05 2022 - 18:55:16 EST


On Fri, Jun 03, 2022 at 02:57:09PM +0100, Aidan MacDonald wrote:
> The AXP192 PMIC is different enough from the PMICs supported by
> the AXP20x GPIO driver to warrant a separate driver. The AXP192
> driver also supports interrupts and pinconf settings.
>
> Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@xxxxxxxxx>
> ---
> .../bindings/gpio/x-powers,axp192-gpio.yaml | 59 +++++++++++++++++++
> 1 file changed, 59 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml
>
> diff --git a/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml b/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml
> new file mode 100644
> index 000000000000..7a985640ade8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/gpio/x-powers,axp192-gpio.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: X-Powers AXP192 GPIO Device Tree Bindings
> +
> +maintainers:
> + - Chen-Yu Tsai <wens@xxxxxxxx>
> +
> +properties:
> + "#gpio-cells":
> + const: 2
> + description: >
> + The first cell is the pin number and the second is the GPIO flags.
> +
> + compatible:
> + oneOf:
> + - enum:

No need for 'oneOf' with only 1 entry.

> + - x-powers,axp192-gpio
> +
> + gpio-controller: true
> +
> +patternProperties:
> + "^.*-pins?$":

You can omit '^.*'

Why does 's' need to be optional?

> + $ref: /schemas/pinctrl/pinmux-node.yaml#
> +
> + properties:
> + pins:
> + items:
> + enum:
> + - GPIO0
> + - GPIO1
> + - GPIO2
> + - GPIO3
> + - GPIO4
> + - N_RSTO
> +
> + function:
> + enum:
> + - output
> + - input
> + - ldo
> + - pwm
> + - adc
> + - low_output
> + - floating
> + - ext_chg_ctl
> + - ldo_status
> +
> +required:
> + - compatible
> + - "#gpio-cells"
> + - gpio-controller
> +
> +additionalProperties: false
> +
> +...
> --
> 2.35.1
>
>