linux-kernel - Re: [PATCH 3/3] ARM: dts: lan966x: Add UDPHS support

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Message-ID: <2945e445-3453-a45f-7d3d-3b07bf350b47@linaro.org>
Date:   Fri, 13 May 2022 14:54:26 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Herve Codina <herve.codina@...tlin.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>
Cc:     linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH 3/3] ARM: dts: lan966x: Add UDPHS support

On 13/05/2022 12:58, Herve Codina wrote:
> Add UDPHS (the USB High Speed Device Port controller) support.
> The UDPHS IP present in the lan966x SOC is the same as the one
> present in the SAMA5D3 SOC
> 
> Signed-off-by: Herve Codina <herve.codina@...tlin.com>
> ---
>  arch/arm/boot/dts/lan966x.dtsi | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/lan966x.dtsi b/arch/arm/boot/dts/lan966x.dtsi
> index 7d2869648050..4c09f3166d27 100644
> --- a/arch/arm/boot/dts/lan966x.dtsi
> +++ b/arch/arm/boot/dts/lan966x.dtsi
> @@ -211,6 +211,17 @@ can0: can@...1c000 {
>  			status = "disabled";
>  		};
>  
> +		udc: udphs@...08000 {

Generic node names, so it looks like usb. For example HCD schema
requires it. I am not sure which bindings are used here, but anyway once
they might require usb...


Best regards,
Krzysztof