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ARM: dts: sun6i: hummingbird: Add ethernet phy reset gpio properties

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On the Hummingbird A31 board, the RTL8211E ethernet phy has its reset
line connect to a gpio pin, instead of floating like on other boards.
Add the stmmac properties for describing the reset gpio.

The reset delays were taken from the RTL8211E datasheet.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Chen-Yu Tsai
2014-12-03 15:19:13 +08:00
committed by Maxime Ripard
parent dbbcd881ee
commit e139180496
1 changed files with 3 additions and 0 deletions
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3
arch/arm/boot/dts/sun6i-a31-hummingbird.dts
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@@ -139,6 +139,9 @@ gmac: ethernet@01c30000 {
pinctrl-0 = <&gmac_pins_rgmii_a>;
phy = <&phy1>;
phy-mode = "rgmii";
snps,reset-gpio = <&pio 0 21 0>;
snps,reset-active-low;
snps,reset-delays-us = <0 10000 30000>;
status = "okay";
phy1: ethernet-phy@1 {