linux-kernel - Re: [PATCH 5/5] arm64: dts: meson-axg-s400: enable USB OTG

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAFBinCDH8sAqvaDJ=0iZ86fw30Y7Xos0vaRw6v8ECADqeJNn7Q@mail.gmail.com>
Date:   Tue, 15 Sep 2020 22:05:34 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     khilman@...libre.com, linux-amlogic@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 5/5] arm64: dts: meson-axg-s400: enable USB OTG

Hi Neil,

On Wed, Sep 9, 2020 at 6:05 PM Neil Armstrong <narmstrong@...libre.com> wrote:
[...]
> +&usb {
> +       status = "okay";
> +       dr_mode = "otg";
> +       vbus-supply = <&usb_pwr>;
> +};
> +
> +&usb2_phy1 {
> +       phy-supply = <&vcc_5v>;
out of curiosity: why do we need this phy-supply here?
isn't the usb_pwr regulator as vbus-supply above enough?


Best regards,
Martin