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dts: phy: add GPIO number and active state used for phy reset 

[ Upstream commit a0fa9d727043da2238432471e85de0bdb8a8df65 ]

The GEMGXL_RST line on HiFive Unleashed is pulled low and is
using GPIO number 12. Add these reset-gpio details to dt-node
using which the linux phylib can reset the phy.

Signed-off-by: Sagar Shrikant Kadam <sagar.kadam@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sagar Shrikant Kadam 2020-11-10 07:22:11 -08:00 committed by Greg Kroah-Hartman
parent 4685e186ab
commit a416b33e8b
1 changed files with 1 additions and 0 deletions
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arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
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@ -90,6 +90,7 @@
phy0: ethernet-phy@0 { phy0: ethernet-phy@0 {
compatible = "ethernet-phy-id0007.0771"; compatible = "ethernet-phy-id0007.0771";
reg = <0>; reg = <0>;
reset-gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
}; };
}; };