linux-kernel - Re: [PatchV2 2/2] ARM64: dts: meson-gxbb-odroidc2: Fix usb phy reset warning

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Message-ID: <6223f912-156a-342c-07c3-a0b2a6229b08@baylibre.com>
Date:   Mon, 14 Jan 2019 17:17:31 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Anand Moon <linux.amoon@...il.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Jerome Brunet <jbrunet@...libre.com>
Subject: Re: [PatchV2 2/2] ARM64: dts: meson-gxbb-odroidc2: Fix usb phy reset
 warning

Hi Anand,

On 13/01/2019 16:30, Anand Moon wrote:
> Add missing vin-supply node 5.0V regulator setting to power
> to usb ports, changes help fix the usb reset warning.
> 
> [  795.380156] usb 1-1.2: reset high-speed USB device number 3 using dwc2
> [  798.356073] usb 1-1.2: reset high-speed USB device number 3 using dwc2
> [  801.331999] usb 1-1.2: reset high-speed USB device number 3 using dwc2
> [  804.307919] usb 1-1.2: reset high-speed USB device number 3 using dwc2
> [  807.283844] usb 1-1.2: reset high-speed USB device number 3 using dwc2
> 
> Fixes: 5a0803bd5ae (ARM64: dts: meson-gxbb-odroidc2: Enable USB Nodes)
> Tested-by: Kevin Hilman <khilman@...libre.com>
> Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> Cc: Jerome Brunet <jbrunet@...libre.com>
> Cc: Neil Armstrong <narmstrong@...libre.com>
> Signed-off-by: Anand Moon <linux.amoon@...il.com>
> ---
> Rebased on Kevin's amlogic/v5.0/fixes branch
> Changes from patch v1 [0] https://lore.kernel.org/patchwork/patch/1031243/
> - Split the patch into two part: new patch
> - Fix the commit message
> - Added Tested by Kevin Hilman
> ---
>  arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
> index 25a36d117183..a947b46bfaa8 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
> @@ -28,6 +28,13 @@
>  		reg = <0x0 0x0 0x0 0x80000000>;
>  	};
>  
> +	p5v0: regulator-p5v0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "P5V0";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +	};
> +
>  	usb_otg_pwr: regulator-usb-pwrs {
>  		compatible = "regulator-fixed";
>  
> @@ -36,6 +43,8 @@
>  		regulator-min-microvolt = <5000000>;
>  		regulator-max-microvolt = <5000000>;
>  
> +		vin-supply = <&p5v0>;
> +
>  		gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
>  		enable-active-high;
>  	};
> 

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>

PS: Please add a cover-letter next time !

Neil