[PATCH 3/3] arm64: dts: rockchip: add GMAC dt nodes for RK3399 evb

[Roger Chen]

This patch add ethernet GMAC dt nodes for RK3399 evaluation board.

Signed-off-by: Roger Chen <roger.c...@rock-chips.com>
---
 arch/arm64/boot/dts/rockchip/rk3399-evb.dts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts 
b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
index d33aa06..5a076e0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
@@ -69,6 +69,13 @@
                regulator-max-microvolt = <3300000>;
        };
 
+       clkin_gmac: external-gmac-clock {
+               compatible = "fixed-clock";
+               clock-frequency = <125000000>;
+               clock-output-names = "clkin_gmac";
+               #clock-cells = <0>;
+       };
+
        vcc_phy: vcc-phy-regulator {
                compatible = "regulator-fixed";
                regulator-name = "vcc_phy";
@@ -134,3 +141,19 @@
                };
        };
 };
+
+&gmac {
+       phy-supply = <&vcc_phy>;
+       phy-mode = "rgmii";
+       clock_in_out = "input";
+       snps,reset-gpio = <&gpio3 15 GPIO_ACTIVE_LOW>;
+       snps,reset-active-low;
+       snps,reset-delays-us = <0 10000 50000>;
+       assigned-clocks = <&cru SCLK_RMII_SRC>;
+       assigned-clock-parents = <&clkin_gmac>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&rgmii_pins>;
+       tx_delay = <0x28>;
+       rx_delay = <0x11>;
+       status = "okay";
+};
-- 
1.9.1