Re: [PATCH v5 02/16] dt-bindings: leds: ROHM BD71282 PMIC LED driver

From: Rob Herring
Date: Fri Nov 22 2019 - 18:00:17 EST


On Mon, Nov 18, 2019 at 08:54:25AM +0200, Matti Vaittinen wrote:
> Document ROHM BD71828 PMIC LED driver device tree bindings.
>
> Signed-off-by: Matti Vaittinen <matti.vaittinen@xxxxxxxxxxxxxxxxx>
> ---
>
> No changes from v4
>
> .../bindings/leds/rohm,bd71828-leds.yaml | 49 +++++++++++++++++++
> 1 file changed, 49 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/leds/rohm,bd71828-leds.yaml
>
> diff --git a/Documentation/devicetree/bindings/leds/rohm,bd71828-leds.yaml b/Documentation/devicetree/bindings/leds/rohm,bd71828-leds.yaml
> new file mode 100644
> index 000000000000..e72c9ae0fc2a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/rohm,bd71828-leds.yaml
> @@ -0,0 +1,49 @@
> +# SPDX-License-Identifier: GPL-2.0-only

Dual license please.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/leds/rohm,bd71828-leds.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ROHM BD71828 Power Management Integrated Circuit LED driver
> +
> +maintainers:
> + - Matti Vaittinen <matti.vaittinen@xxxxxxxxxxxxxxxxx>
> +
> +description: |
> + This module is part of the ROHM BD71828 MFD device. For more details
> + see Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml.
> +
> + The LED controller is represented as a sub-node of the PMIC node on the device
> + tree.
> +
> + The device has two LED outputs referred as GRNLED and AMBLED in data-sheet.

Since you include this from the MFD schema, add a 'select: false' here
or this node gets checked twice.

> +
> +properties:
> + compatible:
> + const: rohm,bd71828-leds
> +
> +patternProperties:
> + "^led-[1-2]$":
> + type: object
> + description:
> + Properties for a single LED.
> + properties:
> + #$ref: "common.yaml#"

Will need to be:

allOf:
- $ref: ...

> + rohm,led-compatible:
> + description: LED identification string
> + allOf:
> + - $ref: "/schemas/types.yaml#/definitions/string"
> + - oneOf:
> + - const: bd71828-ambled
> + - const: bd71828-grnled

Use enum rather than oneOf+const

> + function:
> + description:
> + Purpose of LED as defined in dt-bindings/leds/common.h
> + $ref: "/schemas/types.yaml#/definitions/string"
> + color:
> + description:
> + LED colour as defined in dt-bindings/leds/common.h
> + $ref: "/schemas/types.yaml#/definitions/uint32"
> +
> +required:
> + - compatible
> --
> 2.21.0
>
>
> --
> Matti Vaittinen, Linux device drivers
> ROHM Semiconductors, Finland SWDC
> Kiviharjunlenkki 1E
> 90220 OULU
> FINLAND
>
> ~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
> Simon says - in Latin please.
> ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
> Thanks to Simon Glass for the translation =]