From: robh@kernel.org (Rob Herring)
To: linus-amlogic@lists.infradead.org
Subject: [PATCH 1/2] dt-bindings: phy: Add support for the USB3 PHY on Amlogic Meson GXL SoCs
Date: Thu, 5 Oct 2017 15:02:40 -0500 [thread overview]
Message-ID: <20171005200240.bdxd4kupapkqlosh@rob-hp-laptop> (raw)
In-Reply-To: <20170924195000.13276-2-martin.blumenstingl@googlemail.com>
On Sun, Sep 24, 2017 at 09:49:59PM +0200, Martin Blumenstingl wrote:
> Amlogic Meson GXL SoCs use a dwc3 controller with two (GXM - a variant
> for GXL, has three) USB2 ports. The first USB2 port supports host and
> peripheral (also called "device") mode.
> While the dwc3 controller has no USB3 port enabled we still need the
> USB3 PHY to be initialized, otherwise some boards (probably those where
> the bootloader does not initialize the USB3 PHY) show errors with
> high-speed USB devices connected to any of the USB2 ports.
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> ---
> .../devicetree/bindings/phy/meson-gxl-usb3-phy.txt | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/meson-gxl-usb3-phy.txt
Acked-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2017-10-05 20:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-24 19:49 [PATCH 0/2] Meson GXL USB3 PHY and OTG detection driver Martin Blumenstingl
2017-09-24 19:49 ` [PATCH 1/2] dt-bindings: phy: Add support for the USB3 PHY on Amlogic Meson GXL SoCs Martin Blumenstingl
2017-10-05 20:02 ` Rob Herring [this message]
2017-09-24 19:50 ` [PATCH 2/2] phy: amlogic: add USB3 PHY support for Meson GXL and GXM Martin Blumenstingl
2017-11-07 5:53 ` Kishon Vijay Abraham I
2017-11-07 21:29 ` Martin Blumenstingl
2017-10-02 13:27 ` [PATCH 0/2] Meson GXL USB3 PHY and OTG detection driver Jerome Brunet
2017-10-19 9:57 ` Neil Armstrong
2017-11-05 21:35 ` Martin Blumenstingl
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