linux-kernel - Re: [PATCH] arm64: dts: imx8mp-verdin: add cpu-supply

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Message-ID: <YwNK8cZT4umgI4yS@pendragon.ideasonboard.com>
Date:   Mon, 22 Aug 2022 12:22:57 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Max Krummenacher <max.oss.09@...il.com>
Cc:     Max Krummenacher <max.krummenacher@...adex.com>,
        Fabio Estevam <festevam@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Philippe Schenker <philippe.schenker@...adex.com>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mp-verdin: add cpu-supply

Hi Max,

Thank you for the patch.

On Mon, Aug 22, 2022 at 09:53:42AM +0200, Max Krummenacher wrote:
> From: Max Krummenacher <max.krummenacher@...adex.com>
> 
> Add the cpu-supply property to all CPU nodes to enable the cpufreq
> driver.
> 
> Signed-off-by: Max Krummenacher <max.krummenacher@...adex.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
> 
>  .../boot/dts/freescale/imx8mp-verdin.dtsi      | 18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
> index f062fdbb2719..dbc22b672fb3 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
> @@ -146,6 +146,22 @@ reserved-memory {
>  	};
>  };
>  
> +&A53_0 {
> +	cpu-supply = <&reg_vdd_arm>;
> +};
> +
> +&A53_1 {
> +	cpu-supply = <&reg_vdd_arm>;
> +};
> +
> +&A53_2 {
> +	cpu-supply = <&reg_vdd_arm>;
> +};
> +
> +&A53_3 {
> +	cpu-supply = <&reg_vdd_arm>;
> +};
> +
>  &cpu_alert0 {
>  	temperature = <95000>;
>  };
> @@ -453,7 +469,7 @@ BUCK1 {
>  				regulator-ramp-delay = <3125>;
>  			};
>  
> -			BUCK2 {
> +			reg_vdd_arm: BUCK2 {
>  				nxp,dvs-run-voltage = <950000>;
>  				nxp,dvs-standby-voltage = <850000>;
>  				regulator-always-on;

-- 
Regards,

Laurent Pinchart