linux-kernel - Re: [PATCH 3/3] arm64: dts: ti: k3-am625: Use nvmem-cells for opp

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Date: Thu, 15 Feb 2024 09:24:30 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Markus Schneider-Pargmann <msp@...libre.com>,
 Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Vignesh Raghavendra <vigneshr@...com>,
 Tero Kristo <kristo@...nel.org>, "Rafael J . Wysocki" <rafael@...nel.org>
Cc: Andrew Davis <afd@...com>, Dhruva Gole <d-gole@...com>,
 linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 3/3] arm64: dts: ti: k3-am625: Use nvmem-cells for opp

On 06/02/2024 15:57, Markus Schneider-Pargmann wrote:
> Use nvmem cells referring to chip variant and speed grade for the
> operating points.
> 
> Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
> ---
>  arch/arm64/boot/dts/ti/k3-am625.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am625.dtsi b/arch/arm64/boot/dts/ti/k3-am625.dtsi
> index 4193c2b3eed6..d60e1be9eb89 100644
> --- a/arch/arm64/boot/dts/ti/k3-am625.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am625.dtsi
> @@ -105,6 +105,8 @@ a53_opp_table: opp-table {
>  		compatible = "operating-points-v2-ti-cpu";
>  		opp-shared;
>  		syscon = <&wkup_conf>;
> +		nvmem-cells = <&chip_variant>, <&chip_speed>;
> +		nvmem-cell-names = "chipvariant", "chipspeed";

It does not look like you tested the DTS against bindings. Please run
`make dtbs_check W=1` (see
Documentation/devicetree/bindings/writing-schema.rst or
https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/
for instructions).

Best regards,
Krzysztof