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Date: Mon, 23 Oct 2023 18:30:28 +0200
From: Johan Hovold <johan@kernel.org>
To: Krishna Kurapati <quic_kriskura@quicinc.com>
Cc: Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Felipe Balbi <balbi@kernel.org>,
	Wesley Cheng <quic_wcheng@quicinc.com>, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	devicetree@vger.kernel.org, quic_pkondeti@quicinc.com,
	quic_ppratap@quicinc.com, quic_jackp@quicinc.com,
	ahalaney@redhat.com, quic_shazhuss@quicinc.com
Subject: Re: [PATCH v13 10/10] arm64: dts: qcom: sa8540-ride: Enable first
 port of tertiary usb controller
Message-ID: <ZTafpJNeFOUtneki@hovoldconsulting.com>
References: <20231007154806.605-1-quic_kriskura@quicinc.com>
 <20231007154806.605-11-quic_kriskura@quicinc.com>
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In-Reply-To: <20231007154806.605-11-quic_kriskura@quicinc.com>

On Sat, Oct 07, 2023 at 09:18:06PM +0530, Krishna Kurapati wrote:
> From: Andrew Halaney <ahalaney@redhat.com>
> 
> There is now support for the multiport USB controller this uses so
> enable it.
> 
> The board only has a single port hooked up (despite it being wired up to
> the multiport IP on the SoC). There's also a USB 2.0 mux hooked up,
> which by default on boot is selected to mux properly. Grab the gpio
> controlling that and ensure it stays in the right position so USB 2.0
> continues to be routed from the external port to the SoC.
> 
> Co-developed-by: Andrew Halaney <ahalaney@redhat.com>

Checkpatch complains about this one too since Andrew is the primary
author.

> Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
> [Krishna: Rebased on top of usb-next]
> Co-developed-by: Krishna Kurapati <quic_kriskura@quicinc.com>
> Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>

How much co-development did you actually do here? Just rebasing and
submitting a patch is not enough to warrant shared authorship.

> ---
>  arch/arm64/boot/dts/qcom/sa8540p-ride.dts | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8540p-ride.dts b/arch/arm64/boot/dts/qcom/sa8540p-ride.dts
> index b04f72ec097c..6904a4c201ff 100644
> --- a/arch/arm64/boot/dts/qcom/sa8540p-ride.dts
> +++ b/arch/arm64/boot/dts/qcom/sa8540p-ride.dts
> @@ -503,6 +503,18 @@ &usb_2_qmpphy0 {
>  	status = "okay";
>  };
>  
> +&usb_2 {
> +	pinctrl-0 = <&usb2_en_state>;
> +	pinctrl-names = "default";
> +
> +	status = "okay";
> +};
> +
> +&usb_2_dwc3 {
> +	phy-names = "usb2-port0", "usb3-port0";
> +	phys = <&usb_2_hsphy0>, <&usb_2_qmpphy0>;
> +};

Sort order and what Konrad said.

> +
>  &xo_board_clk {
>  	clock-frequency = <38400000>;
>  };
> @@ -655,4 +667,13 @@ wake-pins {
>  			bias-pull-up;
>  		};
>  	};
> +
> +	usb2_en_state: usb2-en-state {

Drop "_state" from label.

> +		/* TS3USB221A USB2.0 mux select */
> +		pins = "gpio24";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +		output-low;
> +	};
>  };

Johan