From: Linus Walleij <linus.walleij@linaro.org>
To: Stephan Gerhold <stephan@gerhold.net>
Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>
Subject: Re: [PATCH] ARM: dts: ux500: ab8500: Link USB PHY to USB controller node
Date: Fri, 30 Jul 2021 11:19:55 +0200 [thread overview]
Message-ID: <CACRpkdZJ7y5uitEB4_KNZaQRDnayzicDWUozsGaRgeSMD=8apQ@mail.gmail.com> (raw)
In-Reply-To: <20210709182234.47232-1-stephan@gerhold.net>
On Fri, Jul 9, 2021 at 8:23 PM Stephan Gerhold <stephan@gerhold.net> wrote:
> At the moment the AB8500 USB PHY driver still uses the old USB PHY
> subsystem instead of the generic PHY subsystem. This means that there
> is no explicit link between the USB controller and the USB PHY.
>
> In U-Boot the PHY driver is integrated in the generic PHY subsystem,
> so we need to use the typical PHY device tree bindings to specify
> which PHY belongs to the USB controller.
>
> Add the link between USB controller and PHY to both ste-ab8500.dtsi
> and ste-ab8505.dtsi. This is mainly for U-Boot for now and will just
> be ignored in Linux. However, if the AB8500 USB PHY driver in Linux
> is moved to the generic PHY subsystem at some point these device tree
> changes can be used as well.
>
> Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Patch applied!
Yours,
Linus Walleij
WARNING: multiple messages have this Message-ID (diff)
From: Linus Walleij <linus.walleij@linaro.org>
To: Stephan Gerhold <stephan@gerhold.net>
Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>
Subject: Re: [PATCH] ARM: dts: ux500: ab8500: Link USB PHY to USB controller node
Date: Fri, 30 Jul 2021 11:19:55 +0200 [thread overview]
Message-ID: <CACRpkdZJ7y5uitEB4_KNZaQRDnayzicDWUozsGaRgeSMD=8apQ@mail.gmail.com> (raw)
In-Reply-To: <20210709182234.47232-1-stephan@gerhold.net>
On Fri, Jul 9, 2021 at 8:23 PM Stephan Gerhold <stephan@gerhold.net> wrote:
> At the moment the AB8500 USB PHY driver still uses the old USB PHY
> subsystem instead of the generic PHY subsystem. This means that there
> is no explicit link between the USB controller and the USB PHY.
>
> In U-Boot the PHY driver is integrated in the generic PHY subsystem,
> so we need to use the typical PHY device tree bindings to specify
> which PHY belongs to the USB controller.
>
> Add the link between USB controller and PHY to both ste-ab8500.dtsi
> and ste-ab8505.dtsi. This is mainly for U-Boot for now and will just
> be ignored in Linux. However, if the AB8500 USB PHY driver in Linux
> is moved to the generic PHY subsystem at some point these device tree
> changes can be used as well.
>
> Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Patch applied!
Yours,
Linus Walleij
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next prev parent reply other threads:[~2021-07-30 9:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-09 18:22 [PATCH] ARM: dts: ux500: ab8500: Link USB PHY to USB controller node Stephan Gerhold
2021-07-09 18:22 ` Stephan Gerhold
2021-07-30 9:19 ` Linus Walleij [this message]
2021-07-30 9:19 ` Linus Walleij
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