ARM: at91: pm9g45: add mmc support

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

arch/arm/boot/dts/pm9g45.dts

@@ -46,12 +46,33 @@ pinctrl_board_nand: nand0-board {
 							 2 14 0x0 0x1>;	/* PC14 gpio enable pin pull_up */
 					};
 				};
+
+				mmc {
+					pinctrl_board_mmc: mmc0-board {
+						atmel,pins =
+							<3 6 0x0 0x5>;	/* PD6 gpio CD pin pull_up and deglitch */
+					};
+				};
+			};
+
+			mmc0: mmc@fff80000 {
+				pinctrl-0 = <
+					&pinctrl_board_mmc
+					&pinctrl_mmc0_slot0_clk_cmd_dat0
+					&pinctrl_mmc0_slot0_dat1_3>;
+				status = "okay";
+				slot@0 {
+					reg = <0>;
+					bus-width = <4>;
+					cd-gpios = <&pioD 6 0>;
+				};
 			};
 
 			macb0: ethernet@fffbc000 {
 				phy-mode = "rmii";
 				status = "okay";
 			};
+
 		};
 
 		nand0: nand@40000000 {