ARM: dts: am335x-bone: add CD for mmc1

This enables the use of MMC cards even when no card was inserted at boot.
Signed-off-by: Alexander Holler <holler@ahsoftware.de>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Tested-by: Kevin Hilman <khilman@linaro.org>
Reviewed-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>

arch/arm/boot/dts/am335x-bone-common.dtsi

@@ -107,6 +107,12 @@ davinci_mdio_sleep: davinci_mdio_sleep {
 				0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
 			>;
 		};
+
+		mmc1_pins: pinmux_mmc1_pins {
+			pinctrl-single,pins = <
+				0x160 (PIN_INPUT | MUX_MODE7) /* GPIO0_6 */
+			>;
+		};
 	};
 
 	ocp {
@@ -260,3 +266,11 @@ &davinci_mdio {
 	pinctrl-0 = <&davinci_mdio_default>;
 	pinctrl-1 = <&davinci_mdio_sleep>;
 };
+
+&mmc1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins>;
+	cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
+	cd-inverted;
+};

arch/arm/boot/dts/am335x-bone.dts

@@ -17,6 +17,5 @@ &ldo3_reg {
 };
 
 &mmc1 {
-	status = "okay";
 	vmmc-supply = <&ldo3_reg>;
 };