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ARM: dts: sun8i: a83t: bananapi-m3: increase vcc-pd voltage to 3.3V

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[ Upstream commit 5f8208f557 ]

Since commit d7c5f68635 ("ARM: dts: sun8i: a83t: bananapi-m3: Add
AXP813 regulator nodes") my BPIM3 no longer works at gigabit speed.

With the default setting, dldo3 is regulated at 2.9v which seems
sufficient for the PHY but the aforementioned commit drops it to 2.5V
which is insufficient. Note that this behaviour is random for all BPIM3.
Some work with 2.5V, but some don't.

Finnaly, someone from Bananapi confirmed that this regulator must be set
to 3.3V.

Fixes: d7c5f68635 ("ARM: dts: sun8i: a83t: bananapi-m3: Add AXP813
		      regulator nodes")
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
[wens@csie.org: Reworked commit message]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Corentin Labbe
2018-07-09 19:51:54 +00:00
committed by Greg Kroah-Hartman
parent f630d3cc77
commit 0dc2ffac86
1 changed files with 2 additions and 2 deletions
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4
arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
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@@ -309,8 +309,8 @@
&reg_dldo3 {
regulator-always-on;
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-pd";
};