ARM: dts: am57xx-beagle-x15: Add dual ethernet

Add CPSW DT binding to beagle X15 DTS in order to
get ethernet working with this board.

Note that we're also adding sleep state which will
place all pins in mux mode 15 - which means "driver
off" - thus conserving power.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am57xx-beagle-x15.dts

@@ -140,6 +140,86 @@ mmc2_pins_default: mmc2_pins_default {
 		>;
 	};
 
+	cpsw_pins_default: cpsw_pins_default {
+		pinctrl-single,pins = <
+			/* Slave 1 */
+			0x250 (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_tclk */
+			0x254 (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_tctl */
+			0x258 (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_td3 */
+			0x25c (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_td2 */
+			0x260 (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_td1 */
+			0x264 (PIN_OUTPUT | MUX_MODE0)	/* rgmii1_td0 */
+			0x268 (PIN_INPUT | MUX_MODE0)	/* rgmii1_rclk */
+			0x26c (PIN_INPUT | MUX_MODE0)	/* rgmii1_rctl */
+			0x270 (PIN_INPUT | MUX_MODE0)	/* rgmii1_rd3 */
+			0x274 (PIN_INPUT | MUX_MODE0)	/* rgmii1_rd2 */
+			0x278 (PIN_INPUT | MUX_MODE0)	/* rgmii1_rd1 */
+			0x27c (PIN_INPUT | MUX_MODE0)	/* rgmii1_rd0 */
+
+			/* Slave 2 */
+			0x198 (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_tclk */
+			0x19c (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_tctl */
+			0x1a0 (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_td3 */
+			0x1a4 (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_td2 */
+			0x1a8 (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_td1 */
+			0x1ac (PIN_OUTPUT | MUX_MODE3)	/* rgmii2_td0 */
+			0x1b0 (PIN_INPUT | MUX_MODE3)	/* rgmii2_rclk */
+			0x1b4 (PIN_INPUT | MUX_MODE3)	/* rgmii2_rctl */
+			0x1b8 (PIN_INPUT | MUX_MODE3)	/* rgmii2_rd3 */
+			0x1bc (PIN_INPUT | MUX_MODE3)	/* rgmii2_rd2 */
+			0x1c0 (PIN_INPUT | MUX_MODE3)	/* rgmii2_rd1 */
+			0x1c4 (PIN_INPUT | MUX_MODE3)	/* rgmii2_rd0 */
+		>;
+
+	};
+
+	cpsw_pins_sleep: cpsw_pins_sleep {
+		pinctrl-single,pins = <
+			/* Slave 1 */
+			0x250 (PIN_INPUT | MUX_MODE15)
+			0x254 (PIN_INPUT | MUX_MODE15)
+			0x258 (PIN_INPUT | MUX_MODE15)
+			0x25c (PIN_INPUT | MUX_MODE15)
+			0x260 (PIN_INPUT | MUX_MODE15)
+			0x264 (PIN_INPUT | MUX_MODE15)
+			0x268 (PIN_INPUT | MUX_MODE15)
+			0x26c (PIN_INPUT | MUX_MODE15)
+			0x270 (PIN_INPUT | MUX_MODE15)
+			0x274 (PIN_INPUT | MUX_MODE15)
+			0x278 (PIN_INPUT | MUX_MODE15)
+			0x27c (PIN_INPUT | MUX_MODE15)
+
+			/* Slave 2 */
+			0x198 (PIN_INPUT | MUX_MODE15)
+			0x19c (PIN_INPUT | MUX_MODE15)
+			0x1a0 (PIN_INPUT | MUX_MODE15)
+			0x1a4 (PIN_INPUT | MUX_MODE15)
+			0x1a8 (PIN_INPUT | MUX_MODE15)
+			0x1ac (PIN_INPUT | MUX_MODE15)
+			0x1b0 (PIN_INPUT | MUX_MODE15)
+			0x1b4 (PIN_INPUT | MUX_MODE15)
+			0x1b8 (PIN_INPUT | MUX_MODE15)
+			0x1bc (PIN_INPUT | MUX_MODE15)
+			0x1c0 (PIN_INPUT | MUX_MODE15)
+			0x1c4 (PIN_INPUT | MUX_MODE15)
+		>;
+	};
+
+	davinci_mdio_pins_default: davinci_mdio_pins_default {
+		pinctrl-single,pins = <
+			/* MDIO */
+			0x23c (PIN_OUTPUT_PULLUP | MUX_MODE0)	/* mdio_mclk */
+			0x240 (PIN_INPUT_PULLUP | MUX_MODE0)	/* mdio_d */
+		>;
+	};
+
+	davinci_mdio_pins_sleep: davinci_mdio_pins_sleep {
+		pinctrl-single,pins = <
+			0x23c (PIN_INPUT | MUX_MODE15)
+			0x240 (PIN_INPUT | MUX_MODE15)
+		>;
+	};
+
 	tps659038_pins_default: tps659038_pins_default {
 		pinctrl-single,pins = <
 			0x418 (PIN_INPUT_PULLUP | MUX_MODE14)	/* wakeup0.gpio1_0 */
@@ -365,6 +445,32 @@ &uart3 {
 	pinctrl-0 = <&uart3_pins_default>;
 };
 
+&mac {
+	status = "okay";
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&cpsw_pins_default>;
+	pinctrl-1 = <&cpsw_pins_sleep>;
+	dual_emac;
+};
+
+&cpsw_emac0 {
+	phy_id = <&davinci_mdio>, <1>;
+	phy-mode = "rgmii";
+	dual_emac_res_vlan = <1>;
+};
+
+&cpsw_emac1 {
+	phy_id = <&davinci_mdio>, <2>;
+	phy-mode = "rgmii";
+	dual_emac_res_vlan = <2>;
+};
+
+&davinci_mdio {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&davinci_mdio_pins_default>;
+	pinctrl-1 = <&davinci_mdio_pins_sleep>;
+};
+
 &mmc1 {
 	status = "okay";