ARM: dts: am335x-boneblack: add eMMC DT entry

The pinmux is specified in am335x-bone-common.dtsi to be
reused by the eMMC cape.
Signed-off-by: NKoen Kooi <koen@dominion.thruhere.net>
Tested-by: NKevin Hilman <khilman@linaro.org>
Reviewed-by: NNishanth Menon <nm@ti.com>
[bcousson@baylibre.com: Fix traling spaces and useless comments]
Signed-off-by: NBenoit Cousson <bcousson@baylibre.com>

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

@@ -113,6 +113,21 @@
 				0x160 (PIN_INPUT | MUX_MODE7) /* GPIO0_6 */
 			>;
 		};
+
+		emmc_pins: pinmux_emmc_pins {
+			pinctrl-single,pins = <
+				0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
+				0x84 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_csn2.mmc1_cmd */
+				0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */
+				0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */
+				0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */
+				0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */
+				0x10 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad4.mmc1_dat4 */
+				0x14 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad5.mmc1_dat5 */
+				0x18 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad6.mmc1_dat6 */
+				0x1c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */
+			>;
+		};
 	};
 
 	ocp {
@@ -242,6 +257,13 @@
 			regulator-always-on;
 		};
 	};
+
+	vmmcsd_fixed: fixedregulator@0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vmmcsd_fixed";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
 };
 
 &cpsw_emac0 {

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

@@ -15,3 +15,16 @@
 	regulator-max-microvolt = <1800000>;
 	regulator-always-on;
 };
+
+&mmc1 {
+	vmmc-supply = <&vmmcsd_fixed>;
+};
+
+&mmc2 {
+	vmmc-supply = <&vmmcsd_fixed>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_pins>;
+	bus-width = <8>;
+	status = "okay";
+	ti,vcc-aux-disable-is-sleep;
+};