On Fri, Apr 07, 2023 at 12:23:23PM +0200, Maarten Zanders wrote:
> Add a binding to configure the internal charge pump for lp55xx.
>
> Signed-off-by: Maarten Zanders <maarten.zanders@xxxxxxx>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
>
> Notes:
> v1: implement as bool to disable charge pump
> v2: rewrite to use string configuration, supporting all modes
> v3: simplification by replacing string option by u8 constant,
> removing previous Reviewed-by tags as it's a complete
> rewrite of the patch.
> v4: added notes
> v5: dual license, change property type to u32
> v6: change license type for leds-lp-55xx.h to preferred tag
>
> .../devicetree/bindings/leds/leds-lp55xx.yaml | 8 ++++++++
> include/dt-bindings/leds/leds-lp55xx.h | 10 ++++++++++
> 2 files changed, 18 insertions(+)
> create mode 100644 include/dt-bindings/leds/leds-lp55xx.h
>
> diff --git a/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml b/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml
> index ae607911f1db..ede9cb9ca175 100644
> --- a/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml
> +++ b/Documentation/devicetree/bindings/leds/leds-lp55xx.yaml
> @@ -66,6 +66,12 @@ properties:
> '#size-cells':
> const: 0
>
> + ti,charge-pump-mode:
> + description:
> + Set the operating mode of the internal charge pump as defined in
> + <dt-bindings/leds/leds-lp55xx.h>. Defaults to auto.
> + $ref: /schemas/types.yaml#/definitions/uint32
Needs constraints:
default: 3 # Auto
maximum: 3
> +
> patternProperties:
> '^multi-led@[0-8]$':
> type: object
> @@ -152,6 +158,7 @@ additionalProperties: false
> examples:
> - |
> #include <dt-bindings/leds/common.h>
> + #include <dt-bindings/leds/leds-lp55xx.h>
>
> i2c {
> #address-cells = <1>;
> @@ -164,6 +171,7 @@ examples:
> reg = <0x32>;
> clock-mode = /bits/ 8 <2>;
> pwr-sel = /bits/ 8 <3>; /* D1~9 connected to VOUT */
> + ti,charge-pump-mode = <LP55XX_CP_BYPASS>;
>
> led@0 {
> reg = <0>;
> diff --git a/include/dt-bindings/leds/leds-lp55xx.h b/include/dt-bindings/leds/leds-lp55xx.h
> new file mode 100644
> index 000000000000..a4fb4567715d
> --- /dev/null
> +++ b/include/dt-bindings/leds/leds-lp55xx.h
> @@ -0,0 +1,10 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> +#ifndef _DT_BINDINGS_LEDS_LP55XX_H
> +#define _DT_BINDINGS_LEDS_LP55XX_H
> +
> +#define LP55XX_CP_OFF 0
> +#define LP55XX_CP_BYPASS 1
> +#define LP55XX_CP_BOOST 2
> +#define LP55XX_CP_AUTO 3
> +
> +#endif /* _DT_BINDINGS_LEDS_LP55XX_H */
> --
> 2.37.3
>
