arm: dts: dra7: sync DT with latest Linux

Sync all dra7* specific dts files with the upstream
kernel including changes queued for 4.14

https://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git/log/?h=omap-for-v4.14/dt-v3

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/dts/am57xx-beagle-x15-revc.dts b/arch/arm/dts/am57xx-beagle-x15-revc.dts
new file mode 100644
index 0000000..17c41da
--- /dev/null
+++ b/arch/arm/dts/am57xx-beagle-x15-revc.dts
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2014-2017 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "am57xx-beagle-x15-common.dtsi"
+
+/ {
+	model = "TI AM5728 BeagleBoard-X15 rev C";
+};
+
+&tpd12s015 {
+	gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>,	/* gpio7_10, CT CP HPD */
+		<&gpio2 30 GPIO_ACTIVE_HIGH>,	/* gpio2_30, LS OE */
+		<&gpio7 12 GPIO_ACTIVE_HIGH>;	/* gpio7_12/sp1_cs2, HPD */
+};
+
+&mmc1 {
+	pinctrl-names = "default", "hs", "sdr12", "sdr25", "sdr50", "ddr50", "sdr104";
+	pinctrl-0 = <&mmc1_pins_default>;
+	pinctrl-1 = <&mmc1_pins_hs>;
+	pinctrl-2 = <&mmc1_pins_sdr12>;
+	pinctrl-3 = <&mmc1_pins_sdr25>;
+	pinctrl-4 = <&mmc1_pins_sdr50>;
+	pinctrl-5 = <&mmc1_pins_ddr50 &mmc1_iodelay_ddr_rev20_conf>;
+	pinctrl-6 = <&mmc1_pins_sdr104 &mmc1_iodelay_sdr104_rev20_conf>;
+	vmmc-supply = <&vdd_3v3>;
+	vqmmc-supply = <&ldo1_reg>;
+};
+
+&mmc2 {
+	pinctrl-names = "default", "hs", "ddr_1_8v";
+	pinctrl-0 = <&mmc2_pins_default>;
+	pinctrl-1 = <&mmc2_pins_hs>;
+	pinctrl-2 = <&mmc2_pins_ddr_rev20>;
+};