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

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>

diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
index 60846e88ae4b1c3ef5a5c0a3bc3ba36be6f9985b..24d75a146e02d441c167b2b5028e3303eb80f1e3 100644 (file)
--- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
+++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
@@ -90,6 +90,7 @@
        phy0: ethernet-phy@0 {
                compatible = "ethernet-phy-id0007.0771";
                reg = <0>;
+               reset-gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
        };
 };