linux-kernel - Re: [PATCH 5/7] arm64: dts: imx8mn: put USB controller into power-domains

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Date:   Wed, 06 Oct 2021 09:49:05 +0200
From:   Lucas Stach <l.stach@...gutronix.de>
To:     Adam Ford <aford173@...il.com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     aford@...conembedded.com, Rob Herring <robh+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>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/7] arm64: dts: imx8mn: put USB controller into
 power-domains

Am Dienstag, dem 05.10.2021 um 19:05 -0500 schrieb Adam Ford:
> Now that we have support for the power domain controller on the i.MX8MN,
> we can put the USB controller in the respective power domain to allow
> it to power down the PHY when possible.
> 
> Signed-off-by: Adam Ford <aford173@...il.com>

Reviewed-by: Lucas Stach <l.stach@...gutronix.de>

> ---
>  arch/arm64/boot/dts/freescale/imx8mn.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> index 4191b5bfcdf3..ea994dd9fb03 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> @@ -1021,6 +1021,7 @@ usbotg1: usb@...40000 {
>  				assigned-clock-parents = <&clk IMX8MN_SYS_PLL2_500M>;
>  				phys = <&usbphynop1>;
>  				fsl,usbmisc = <&usbmisc1 0>;
> +				power-domains = <&pgc_otg1>;
>  				status = "disabled";
>  			};
>