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| author | Nikita Yushchenko <nikita.yoush@cogentembedded.com> | 2018-05-15 11:45:02 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2018-05-20 20:35:09 +0800 |
| commit | 1a68ab4d4c62cab2e2db95517dea1078cd4fae97 (patch) | |
| tree | bc3741acf06556d6ed23eb1e08b6b4c91aba629e /arch/arm/boot/dts/imx51-zii-rdu1.dts | |
| parent | 71db394874890806fc8fddb9ee576f6553683a73 (diff) | |
| download | lwn-1a68ab4d4c62cab2e2db95517dea1078cd4fae97.tar.gz lwn-1a68ab4d4c62cab2e2db95517dea1078cd4fae97.zip | |
ARM: dts: imx51-zii-rdu1: limit usbh1 to full-speed
On RDU1, imx51 usbh1 interface is either not used, or used via external
block that breaks USB2 signalling.
To keep things working if high-speed device gets connected to that
block, use ChipIdea feature to limit port to full speed.
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx51-zii-rdu1.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx51-zii-rdu1.dts | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx51-zii-rdu1.dts b/arch/arm/boot/dts/imx51-zii-rdu1.dts index 991fa0725a8f..0c8bae9dbb07 100644 --- a/arch/arm/boot/dts/imx51-zii-rdu1.dts +++ b/arch/arm/boot/dts/imx51-zii-rdu1.dts @@ -589,6 +589,7 @@ phy_type = "ulpi"; fsl,usbphy = <&usbh1phy>; disable-over-current; + maximum-speed = "full-speed"; vbus-supply = <®_5p0v_main>; status = "okay"; }; |