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| author | Hans de Goede <hdegoede@redhat.com> | 2016-06-04 13:58:39 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2016-07-04 22:17:56 +0300 |
| commit | fc51b632c7b047c25807023b76f3877aed19c770 (patch) | |
| tree | d88573a1bd9eaba9fdea4925b51acf68bdb8fa3b /arch/arm/boot/dts/sun4i-a10-hackberry.dts | |
| parent | 1f241993d4cff64e4125e982a3172f846b5d6909 (diff) | |
| download | linux-fc51b632c7b047c25807023b76f3877aed19c770.tar.xz | |
ARM: dts: sunxi: Add a startup delay for fixed regulator enabled phys
It seems that recent kernels have a shorter timeout when scanning for
ethernet phys causing us to hit a timeout on boards where the phy's
regulator gets enabled just before scanning, which leads to non working
ethernet.
A 10ms startup delay seems to be enough to fix it, this commit adds a
20ms startup delay just to be safe.
This has been tested on a sun4i-a10-a1000 and sun5i-a10s-wobo-i5 board,
both of which have non-working ethernet on recent kernels without this
fix.
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch/arm/boot/dts/sun4i-a10-hackberry.dts')
| -rw-r--r-- | arch/arm/boot/dts/sun4i-a10-hackberry.dts | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun4i-a10-hackberry.dts b/arch/arm/boot/dts/sun4i-a10-hackberry.dts index 2b17c5199151..6de83a6187d0 100644 --- a/arch/arm/boot/dts/sun4i-a10-hackberry.dts +++ b/arch/arm/boot/dts/sun4i-a10-hackberry.dts @@ -66,6 +66,7 @@ regulator-name = "emac-3v3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; + startup-delay-us = <20000>; enable-active-high; gpio = <&pio 7 19 GPIO_ACTIVE_HIGH>; }; |