ARM: at91: dt: add mmc pinctrl for Atmel reference boards

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
index 0090015..32a500a 100644
--- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
@@ -60,6 +60,11 @@
 			};
 
 			mmc0: mmc@fffa8000 {
+				pinctrl-0 = <
+					&pinctrl_board_mmc0_slot1
+					&pinctrl_mmc0_clk
+					&pinctrl_mmc0_slot1_cmd_dat0
+					&pinctrl_mmc0_slot1_dat1_3>;
 				status = "okay";
 				slot@1 {
 					reg = <1>;
@@ -67,6 +72,15 @@
 					cd-gpios = <&pioC 9 0>;
 				};
 			};
+
+			pinctrl@fffff400 {
+				mmc0_slot1 {
+					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
+						atmel,pins =
+							<2 9 0x0 0x5>;	/* PC9 gpio CD pin pull up and deglitch */
+					};
+				};
+			};
 		};
 
 		nand0: nand@40000000 {