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SubjectRe: [PATCH v4 2/4] dt-bindings: regulator: add bindings for output-supply
On Thu, Jul 07, 2022 at 10:18:24AM +0200, Naresh Solanki wrote:
> Add a devicetree binding for the 9elements,output-supply driver.

Bindings are for h/w, not drivers.

> Example is also provided.
>
> Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
> ---
> .../regulator/9elements,output-supply.yaml | 63 +++++++++++++++++++
> 1 file changed, 63 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/regulator/9elements,output-supply.yaml
>
> diff --git a/Documentation/devicetree/bindings/regulator/9elements,output-supply.yaml b/Documentation/devicetree/bindings/regulator/9elements,output-supply.yaml
> new file mode 100644
> index 000000000000..e4b67bc0794f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/9elements,output-supply.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/userspace-consumer.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Regulator output-supply driver
> +
> +maintainers:
> + - Patrick Rudolph <patrick.rudolph@9elements.com>
> +
> +description: |
> + Regulator output-supply driver helps interact with regulator.
> + Provides regulator events & sysfs notify to capture regulator events
> + in realtime for userspace application.
> + This enables userspace application to monitor events in regulator(s) &
> + handle them appropriately.

What does userspace have to do with hardware description?

> +
> +
> +properties:
> + compatible:
> + enum:
> + - 9elements,output-supply

Why does this have a vendor prefix when it appears to be a s/w
construct?

> +
> + regulator-name:
> + description: Name of the consumer line
> +
> + regulator-boot-on:
> + description: Enable regulator during boot
> +
> + regulator-supplies:
> + description: Supply names for this regulator. This can be multiple strings

What's the type for this?

The supply names are the prefix on -supply properties.

> +
> +patternProperties:
> + ".*-supply$":
> + description: |
> + Input supply phandle(s) for this node. There should be
> + <supply-name>-supply to pass regulators handle
> +
> +required:
> + - compatible
> + - regulator-supplies
> + - ".*-supply$"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + p12v_b_consumer {
> + compatible = "9elements,output-supply";
> + regulator-name = "BCM1";
> + regulator-supplies = "vbus";
> + vbus-supply = <&p12v_b>;
> + };
> +
> + ssb_rssd32 {
> + compatible = "9elements,output-supply";
> + regulator-name = "ssb_rssd32";
> + regulator-supplies = "sw0", "sw1";
> + sw0-supply = <&sw0_ssb_rssd32>;
> + sw1-supply = <&sw1_ssb_rssd32>;
> + };
> +...
> --
> 2.35.3
>
>

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