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Message-ID: <ec4bd953-1cd7-46bc-9415-0983bb9cbe89@kernel.org>
Date: Mon, 2 Dec 2024 14:39:25 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: t.antoine@...ouvain.be, Sebastian Reichel <sre@...nel.org>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Dimitri Fedrau <dima.fedrau@...il.com>,
Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
Peter Griffin <peter.griffin@...aro.org>,
Alim Akhtar <alim.akhtar@...sung.com>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH 2/4] dt-bindings: power: supply: add max77759-fg flavor
and don't require nvme address
On 02/12/2024 14:07, Thomas Antoine via B4 Relay wrote:
> From: Thomas Antoine <t.antoine@...ouvain.be>
>
> As the Maxim max77759 fuel gauge has no non-volatile memory slave address,
s/max77759/MAX77759/
Please explain the device in general, e.g. fuel gauge is only one part
of the PMIC chip. Otherwise 'fg' compatible suffix would not be justified.
> make it non-obligatory. Except for this, the max77759 seems to behave the
> same as the max1720x.
>
> Signed-off-by: Thomas Antoine <t.antoine@...ouvain.be>
> ---
> .../devicetree/bindings/power/supply/maxim,max17201.yaml | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max17201.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max17201.yaml
> index fe3dd9bd5585618e45220c51023391a5b21acfd2..417fc2c4a1c1961654bc54ec1ac24602012f3335 100644
> --- a/Documentation/devicetree/bindings/power/supply/maxim,max17201.yaml
> +++ b/Documentation/devicetree/bindings/power/supply/maxim,max17201.yaml
> @@ -16,6 +16,7 @@ properties:
> compatible:
> oneOf:
> - const: maxim,max17201
> + - const: maxim,max77759-fg
> - items:
> - enum:
> - maxim,max17205
> @@ -25,11 +26,13 @@ properties:
> items:
> - description: ModelGauge m5 registers
> - description: Nonvolatile registers
> + minItems: 1
>
> reg-names:
> items:
> - const: m5
> - const: nvmem
> + minItems: 1
You need allOf:if:then section narrowing it per each variant.
>
> interrupts:
> maxItems: 1
> @@ -56,3 +59,14 @@ examples:
> interrupts = <31 IRQ_TYPE_LEVEL_LOW>;
> };
> };
> + - |
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + fuel-gauge@36 {
> + compatible = "maxim,max77759-fg";
No need for new example if it differs with one property.
Best regards,
Krzysztof
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