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authorHans de Goede <hdegoede@redhat.com>2016-06-04 13:58:39 +0300
committerMaxime Ripard <maxime.ripard@free-electrons.com>2016-07-04 22:17:56 +0300
commitfc51b632c7b047c25807023b76f3877aed19c770 (patch)
treed88573a1bd9eaba9fdea4925b51acf68bdb8fa3b /arch/arm/boot/dts/sun4i-a10-hackberry.dts
parent1f241993d4cff64e4125e982a3172f846b5d6909 (diff)
downloadlinux-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.dts1
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>;
};