1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/gemini/patches-4.14/0901-arm-dts-gemini-fix-ethernet-for-nas4220b.patch b/target/linux/gemini/patches-4.14/0901-arm-dts-gemini-fix-ethernet-for-nas4220b.patch
new file mode 100644
index 0000000000..90e95a70c4
--- /dev/null
+++ b/target/linux/gemini/patches-4.14/0901-arm-dts-gemini-fix-ethernet-for-nas4220b.patch
@@ -0,0 +1,69 @@
+--- a/arch/arm/boot/dts/gemini-nas4220b.dts
++++ b/arch/arm/boot/dts/gemini-nas4220b.dts
+@@ -137,6 +137,47 @@
+ 						groups = "gpio1dgrp";
+ 					};
+ 				};
++				pinctrl-gmii {
++					mux {
++						function = "gmii";
++						groups = "gmii_gmac0_grp";
++					};
++					conf0 {
++						pins = "V8 GMAC0 RXDV", "T10 GMAC1 RXDV";
++						skew-delay = <0>;
++					};
++					conf1 {
++						pins = "Y7 GMAC0 RXC", "Y11 GMAC1 RXC";
++						skew-delay = <15>;
++					};
++					conf2 {
++						pins = "T8 GMAC0 TXEN", "W11 GMAC1 TXEN";
++						skew-delay = <7>;
++					};
++					conf3 {
++						pins = "U8 GMAC0 TXC";
++						skew-delay = <11>;
++					};
++					conf4 {
++						pins = "V11 GMAC1 TXC";
++						skew-delay = <10>;
++					};
++					conf5 {
++						pins = "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
++						       "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
++						       "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
++						       "V7 GMAC0 TXD2", "U7 GMAC0 TXD3",
++						       "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1",
++						       "T11 GMAC1 RXD2", "W12 GMAC1 RXD3",
++						       "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1",
++						       "W10 GMAC1 TXD2", "T9 GMAC1 TXD3";
++						skew-delay = <7>;
++					};
++					conf6 {
++						groups = "gmii_gmac0_grp";
++						drive-strength = <16>;
++					};
++				};
+ 			};
+ 		};
+ 
+@@ -151,6 +192,18 @@
+ 			pinctrl-0 = <&gpio1_default_pins>;
+ 		};
+ 
++		ethernet@60000000 {
++			status = "okay";
++
++			gmac0: ethernet-port@0 {
++				phy-mode = "rgmii";
++				phy-handle = <&phy0>;
++			};
++			gmac1: ethernet-port@1 {
++				status = "disabled";
++			};
++		};
++
+ 		ata@63000000 {
+ 			status = "okay";
+ 		};