[U-Boot] [PATCH 6/6] dts: rk3399-puma: add gmac for the RK3399-Q7

[Philipp Tomsich]

This change enables the Gigabit Ethernet support on the RK3399-Q7.

X-AffectedPlatforms: RK3399-Q7
Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
---

 arch/arm/dts/rk3399-puma.dts | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm/dts/rk3399-puma.dts b/arch/arm/dts/rk3399-puma.dts
index 31f9c3d..01cb3fa 100644
--- a/arch/arm/dts/rk3399-puma.dts
+++ b/arch/arm/dts/rk3399-puma.dts
@@ -50,6 +50,20 @@
 		regulator-name = "vcc5v0_host";
 		gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>;
 	};
+
+	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";
+		regulator-always-on;
+		regulator-boot-on;
+	};
 };
 
 &emmc_phy {
@@ -122,3 +136,19 @@
 		};
 	};
 };
+
+&gmac {
+        phy-supply = <&vcc_phy>;
+	phy-mode = "rgmii";
+	clock_in_out = "input";
+	snps,reset-gpio = <&gpio3 16 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 = <0x10>;
+	rx_delay = <0x10>;
+	status = "okay";
+};
-- 
1.9.1