linux-kernel - Re: [PATCH 1/4] regulator: dt-bindings: add documentation for s2mpu05-pmic regulators

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Message-ID: <20250205-keen-taupe-loon-35e0de@krzk-bin>
Date: Wed, 5 Feb 2025 09:32:15 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Kaustabh Chakraborty <kauschluss@...root.org>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
	Rob Herring <robh@...nel.org>, Conor Dooley <conor@...nel.org>, Lee Jones <lee@...nel.org>, 
	Sergey Lisov <sleirsgoevy@...il.com>, linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org, 
	devicetree@...r.kernel.org
Subject: Re: [PATCH 1/4] regulator: dt-bindings: add documentation for
 s2mpu05-pmic regulators

On Tue, Feb 04, 2025 at 02:06:26AM +0530, Kaustabh Chakraborty wrote:
> S2MPU05 is a PMIC found in Exynos7870 devices, which controls voltage
> regulators (21 LDOs and 5 BUCKs). Provide documentation for devicetree
> definitions, regulator naming patterns, etc.
> 
> Signed-off-by: Kaustabh Chakraborty <kauschluss@...root.org>
> ---
>  .../bindings/regulator/samsung,s2mpu05.yaml        | 44 ++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/regulator/samsung,s2mpu05.yaml b/Documentation/devicetree/bindings/regulator/samsung,s2mpu05.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..0a968fe79d44dbcb6720a7d1da698f9460e25521
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/samsung,s2mpu05.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/samsung,s2mpu05.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Samsung S2MPU05 Power Management IC regulators
> +
> +maintainers:
> +  - Krzysztof Kozlowski <krzk@...nel.org>

Not me, I don't have this device nor its datasheet.

> +
> +description: |
> +  This is a part of device tree bindings for S2M and S5M family of Power
> +  Management IC (PMIC).
> +
> +  The S2MPU05 provides buck and LDO regulators.
> +
> +  See also Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml for
> +  additional information and example.
> +
> +patternProperties:
> +  # 21 LDOs
> +  "^LDO([1-9]|10|2[0-9]|3[0-5])$":

Why is there a gap in LDOs?

Best regards,
Krzysztof