[U-Boot] [PATCH v2] rockchip: dts: evb-rk3399: add gmac support

[Kever Yang]

Enable gmac for evb-rk3399.

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---

Changes in v2:
- correct rst pin number

 arch/arm/dts/rk3399-evb.dts  | 24 ++++++++++++++++++++++++
 configs/evb-rk3399_defconfig |  4 ++++
 2 files changed, 28 insertions(+)

diff --git a/arch/arm/dts/rk3399-evb.dts b/arch/arm/dts/rk3399-evb.dts
index 769d5a0..7d27f40 100644
--- a/arch/arm/dts/rk3399-evb.dts
+++ b/arch/arm/dts/rk3399-evb.dts
@@ -6,6 +6,7 @@
 
 /dts-v1/;
 #include <dt-bindings/pwm/pwm.h>
+#include <dt-bindings/pinctrl/rockchip.h>
 #include "rk3399.dtsi"
 #include "rk3399-sdram-lpddr3-4GB-1600.dtsi"
 
@@ -58,6 +59,13 @@
 		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>;
+	};
 };
 
 &emmc_phy {
@@ -163,3 +171,19 @@
 		};
 	};
 };
+
+&gmac {
+        phy-supply = <&vcc_phy>;
+	phy-mode = "rgmii";
+	clock_in_out = "input";
+	snps,reset-gpio = <&gpio3 RK_PB7 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";
+};
diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig
index c14764d..c5c86d8 100644
--- a/configs/evb-rk3399_defconfig
+++ b/configs/evb-rk3399_defconfig
@@ -49,6 +49,10 @@ CONFIG_PMIC_CHILDREN=y
 CONFIG_SPL_PMIC_CHILDREN=y
 CONFIG_PMIC_RK808=y
 CONFIG_REGULATOR_RK808=y
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_GMAC_ROCKCHIP=y
 CONFIG_PINCTRL=y
 CONFIG_SPL_PINCTRL=y
 CONFIG_ROCKCHIP_RK3399_PINCTRL=y
-- 
1.9.1