linux-kernel - Re: [PATCH v3 07/11] ARM: dts: imx6ul-kontron-n6x1x-s: Add vbus-supply and overcurrent polarity to usb nodes

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Message-ID: <20191104073151.GR24620@dragon>
Date:   Mon, 4 Nov 2019 15:31:52 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Schrempf Frieder <frieder.schrempf@...tron.de>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 07/11] ARM: dts: imx6ul-kontron-n6x1x-s: Add
 vbus-supply and overcurrent polarity to usb nodes

On Thu, Oct 31, 2019 at 02:24:21PM +0000, Schrempf Frieder wrote:
> From: Frieder Schrempf <frieder.schrempf@...tron.de>
> 
> To silence the warnings shown by the driver at boot time, we add a
> fixed regulator for the 5V supply of usbotg2 and specify the polarity
> of the overcurrent signal for usbotg1.
> 
> Signed-off-by: Frieder Schrempf <frieder.schrempf@...tron.de>
> Fixes: 1ea4b76cdfde ("ARM: dts: imx6ul-kontron-n6310: Add Kontron i.MX6UL N6310 SoM and boards")

I do not think it's a bug fix, so the Fixes tag doesn't really apply.

Shawn

> ---
>  arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi b/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
> index 2299cad900af..d3eb21aa9014 100644
> --- a/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
> +++ b/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
> @@ -45,6 +45,13 @@
>  		regulator-max-microvolt = <3300000>;
>  	};
>  
> +	reg_5v: regulator-5v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "5v";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +	};
> +
>  	reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
>  		compatible = "regulator-fixed";
>  		regulator-name = "usb_otg1_vbus";
> @@ -191,6 +198,7 @@
>  	srp-disable;
>  	hnp-disable;
>  	adp-disable;
> +	over-current-active-low;
>  	vbus-supply = <&reg_usb_otg1_vbus>;
>  	status = "okay";
>  };
> @@ -198,6 +206,7 @@
>  &usbotg2 {
>  	dr_mode = "host";
>  	disable-over-current;
> +	vbus-supply = <&reg_5v>;
>  	status = "okay";
>  };
>  
> -- 
> 2.17.1