Re: [PATCH 2/3] dt-bindings: regulator: Add regulator-output binding

From: Rob Herring
Date: Thu Sep 29 2022 - 17:07:24 EST


On Sun, Sep 25, 2022 at 03:03:18PM -0700, Zev Weiss wrote:
> This describes a power output supplied by a regulator, such as a
> power outlet on a power distribution unit (PDU).
>
> Signed-off-by: Zev Weiss <zev@xxxxxxxxxxxxxxxxx>
> ---
> .../bindings/regulator/regulator-output.yaml | 47 +++++++++++++++++++
> 1 file changed, 47 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/regulator/regulator-output.yaml
>
> diff --git a/Documentation/devicetree/bindings/regulator/regulator-output.yaml b/Documentation/devicetree/bindings/regulator/regulator-output.yaml
> new file mode 100644
> index 000000000000..40953ec48e9e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/regulator-output.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +
> +$id: http://devicetree.org/schemas/regulator/regulator-output.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Regulator output connector
> +
> +maintainers:
> + - Zev Weiss <zev@xxxxxxxxxxxxxxxxx>
> +
> +description: |
> + This describes a power output connector supplied by a regulator,
> + such as a power outlet on a power distribution unit (PDU). The
> + connector may be standalone or merely one channel or set of pins
> + within a ganged physical connector carrying multiple independent
> + power outputs.
> +
> +properties:
> + compatible:
> + const: regulator-output
> +
> + vout-supply:
> + description:
> + Phandle of the regulator supplying the output.
> +
> + regulator-leave-on:
> + description: |
> + If the regulator is enabled when software relinquishes control
> + of it (such as when shutting down) it should be left enabled
> + instead of being turned off.
> + type: boolean

I'm not too sure about this one as there could be various times when
control is relinquished. It is userspace closing its access?
driver unbind? module unload? Does a bootloader pay attention to this?

Rob