Re: [PATCH V3 1/2] dt-bindings: opp: Convert ti-omap5-opp-supply to json schema

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On Aug 08, 2023 at 21:30:44 -0500, Nishanth Menon wrote:
> Rename ti-omap5-opp-supply to be bit more generic omap-opp-supply and
> convert the free text binding to json-schema.
> 
> Signed-off-by: Nishanth Menon <nm@xxxxxx>
> ---
> Changes since V2:
> - None.
> 
> V2: https://lore.kernel.org/r/20230801233341.1416552-2-nm@xxxxxx
> V1: https://lore.kernel.org/all/20230724153911.1376830-5-nm@xxxxxx/
>  .../bindings/opp/ti,omap-opp-supply.yaml      | 103 ++++++++++++++++++
>  .../bindings/opp/ti-omap5-opp-supply.txt      |  63 -----------
>  2 files changed, 103 insertions(+), 63 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/opp/ti,omap-opp-supply.yaml
>  delete mode 100644 Documentation/devicetree/bindings/opp/ti-omap5-opp-supply.txt
> 
> diff --git a/Documentation/devicetree/bindings/opp/ti,omap-opp-supply.yaml b/Documentation/devicetree/bindings/opp/ti,omap-opp-supply.yaml
> new file mode 100644
> index 000000000000..4db80e418829
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/opp/ti,omap-opp-supply.yaml
> @@ -0,0 +1,103 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/opp/ti,omap-opp-supply.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Texas Instruments OMAP compatible OPP supply
> +
> +description:
> +  OMAP5, DRA7, and AM57 family of SoCs have Class0 AVS eFuse registers which
> +  contain data that can be used to adjust voltages programmed for some of their
> +  supplies for more efficient operation. This binding provides the information
> +  needed to read these values and use them to program the main regulator during
> +  an OPP transitions.
> +
> +  Also, some supplies may have an associated vbb-supply which is an Adaptive Body
> +  Bias regulator which much be transitioned in a specific sequence with regards

s/much/must ?

> +  to the vdd-supply and clk when making an OPP transition. By supplying two
> +  regulators to the device that will undergo OPP transitions we can make use
> +  of the multi regulator binding that is part of the OPP core described

Existing txt seems to have:

 part of the OPP core described here [1]

Why get rid of the reference "[1]" here?

Going through Documentation/devicetree/bindings/opp/opp-v2.yaml didn't
tell me much about this multi regulator binding, I only see 1 example.

Please can you explain a bit more or make this line more clear?

> +  to describe both regulators needed by the platform.
> +
> +maintainers:
> +  - Nishanth Menon <nm@xxxxxx>
> +
> +properties:
> +  $nodename:
> +    pattern: '^opp-supply(@[0-9a-f]+)?$'
[...]

-- 
Best regards,
Dhruva Gole <d-gole@xxxxxx>



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