ARM: dts: imx: add initial imx6dl-sabreauto support

Add initial imx6dl-sabreauto support based on the common stuff already
in imx6qdl-sabreauto.dtsi.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx6dl.dtsi b/arch/arm/boot/dts/imx6dl.dtsi
index 3e07f6e..fab6306 100644
--- a/arch/arm/boot/dts/imx6dl.dtsi
+++ b/arch/arm/boot/dts/imx6dl.dtsi
@@ -56,6 +56,26 @@
 							MX6DL_PAD_GPIO_16__ENET_REF_CLK      0x4001b0a8
 						>;
 					};
+
+					pinctrl_enet_2: enetgrp-2 {
+						fsl,pins = <
+							MX6DL_PAD_KEY_COL1__ENET_MDIO        0x1b0b0
+							MX6DL_PAD_KEY_COL2__ENET_MDC         0x1b0b0
+							MX6DL_PAD_RGMII_TXC__RGMII_TXC       0x1b0b0
+							MX6DL_PAD_RGMII_TD0__RGMII_TD0       0x1b0b0
+							MX6DL_PAD_RGMII_TD1__RGMII_TD1       0x1b0b0
+							MX6DL_PAD_RGMII_TD2__RGMII_TD2       0x1b0b0
+							MX6DL_PAD_RGMII_TD3__RGMII_TD3       0x1b0b0
+							MX6DL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b0b0
+							MX6DL_PAD_ENET_REF_CLK__ENET_TX_CLK  0x1b0b0
+							MX6DL_PAD_RGMII_RXC__RGMII_RXC       0x1b0b0
+							MX6DL_PAD_RGMII_RD0__RGMII_RD0       0x1b0b0
+							MX6DL_PAD_RGMII_RD1__RGMII_RD1       0x1b0b0
+							MX6DL_PAD_RGMII_RD2__RGMII_RD2       0x1b0b0
+							MX6DL_PAD_RGMII_RD3__RGMII_RD3       0x1b0b0
+							MX6DL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b0b0
+						>;
+					};
 				};
 
 				uart1 {
@@ -67,6 +87,15 @@
 					};
 				};
 
+				uart4 {
+					pinctrl_uart4_1: uart4grp-1 {
+						fsl,pins = <
+							MX6DL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
+							MX6DL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
+						>;
+					};
+				};
+
 				usbotg {
 					pinctrl_usbotg_2: usbotggrp-2 {
 						fsl,pins = <