linux-kernel - Re: [PATCH 02/13] arm64: dts: imx95: Add System Counter node

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Message-ID: <aJ9hHQjlJQzo950R@lizhi-Precision-Tower-5810>
Date: Fri, 15 Aug 2025 12:32:29 -0400
From: Frank Li <Frank.li@....com>
To: Peng Fan <peng.fan@....com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/13] arm64: dts: imx95: Add System Counter node

On Fri, Aug 15, 2025 at 05:03:48PM +0800, Peng Fan wrote:
> Add System Counter node to support cpuidle when arm generic timer stops
>
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---

Reviewed-by: Frank Li <Frank.Li@....com>
>  arch/arm64/boot/dts/freescale/imx95.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
> index dbcc557d07f5b8a0ef27d68b7211b07d26fdb9bc..642dc4b7a4770be50960f53a73db965ea4374e24 100644
> --- a/arch/arm64/boot/dts/freescale/imx95.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
> @@ -1260,6 +1260,15 @@ mu1: mailbox@...20000 {
>  				status = "disabled";
>  			};
>
> +			system_counter: timer@...90000 {
> +				compatible = "nxp,imx95-sysctr-timer";
> +				reg = <0x44290000 0x30000>;
> +				interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&osc_24m>;
> +				clock-names = "per";
> +				nxp,no-divider;
> +			};
> +
>  			tpm1: pwm@...10000 {
>  				compatible = "fsl,imx7ulp-pwm";
>  				reg = <0x44310000 0x1000>;
>
> --
> 2.37.1
>