diff -aNru linux-4.9.87.orig/arch/arm/boot/dts/mtcdt.dts linux-4.9.87/arch/arm/boot/dts/mtcdt.dts
--- linux-4.9.87.orig/arch/arm/boot/dts/mtcdt.dts	1969-12-31 18:00:00.000000000 -0600
+++ linux-4.9.87/arch/arm/boot/dts/mtcdt.dts	2019-03-04 11:05:46.155049751 -0600
@@ -0,0 +1,268 @@
+/*
+ * DTS file for Multi-Tech Systems MTCDT Hardware
+ */
+
+/dts-v1/;
+#include "at91sam9g25.dtsi"
+#include "at91sam9x5ek.dtsi"
+
+
+/ {
+    model = "Multi-Tech Systems MTCDT";
+    compatible = "atmel,at91sam9g25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
+
+    ahb {
+	apb {
+
+
+	    macb0: ethernet@f802c000 {
+		phy-mode = "rmii";
+		status = "okay";
+	    };
+
+            pinctrl@fffff400 {
+		mmc0 {
+		    pinctrl_board_mmc0: mmc0-board {
+			atmel,pins =
+			  <AT91_PIOA 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PA1 gpio SD card pin pull up and deglitch */
+		   };
+		};
+		nand {
+		    pinctrl_nand: nand-0 {
+			atmel,pins =
+			    <AT91_PIOD 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD0 periph A Read Enable */
+			    AT91_PIOD 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD1 periph A Write Enable */
+			    AT91_PIOD 2 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD2 periph A Address Latch Enable */
+			    AT91_PIOD 3 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD3 periph A Command Latch Enable */
+			    AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP	/* PD4 gpio Chip Enable pin pull_up */
+			    AT91_PIOC 31 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP	/* PC31 gpio RDY/BUSY pin pull_up */
+			    AT91_PIOD 6 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD6 periph A Data bit 0 */
+			    AT91_PIOD 7 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD7 periph A Data bit 1 */
+			    AT91_PIOD 8 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD8 periph A Data bit 2 */
+			    AT91_PIOD 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD9 periph A Data bit 3 */
+			    AT91_PIOD 10 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD10 periph A Data bit 4 */
+			    AT91_PIOD 11 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD11 periph A Data bit 5 */
+			    AT91_PIOD 12 AT91_PERIPH_A AT91_PINCTRL_PULL_UP	/* PD12 periph A Data bit 6 */
+			    AT91_PIOD 13 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;	/* PD13 periph A Data bit 7 */
+		    };
+
+		    /delete-node/ nand_16bits-0;
+                };
+                mts-io {
+		     pinctrl_mts_io: mts_io-0 {
+                      atmel,pins =
+                          <AT91_PIOD 14 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD14 WiFi BT reset */
+                          AT91_PIOD 15 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD15 GNSS reset */
+                          AT91_PIOD 16 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD16 Secure reset */
+                          AT91_PIOD 17 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD17 MTQ reset */
+                          AT91_PIOD 18 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD18 USB Hub reset */
+                          AT91_PIOD 19 AT91_PERIPH_A AT91_PINCTRL_PULL_UP     /* PD19 GNSS Int */
+                          AT91_PIOD 20 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>    /* PD20 WiFi_BT_LPMode */
+               };
+
+		mmc1 {
+		    pinctrl_mmc1_slot0_clk_cmd_dat0: mmc1_slot0_clk_cmd_dat0-0 {
+			atmel,pins =
+			    <AT91_PIOA 13 AT91_PERIPH_B AT91_PINCTRL_NONE	/* PA13 periph B */
+			    AT91_PIOA 12 AT91_PERIPH_B AT91_PINCTRL_PULL_UP	/* PA12 periph B with pullup */
+			    AT91_PIOA 11 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;	/* PA11 periph B with pullup */
+		    };
+
+		    pinctrl_mmc1_slot0_dat1_3: mmc1_slot0_dat1_3-0 {
+			atmel,pins =
+			    <AT91_PIOA 2 AT91_PERIPH_B AT91_PINCTRL_PULL_UP	/* PA2 periph B with pullup */
+			    AT91_PIOA 3 AT91_PERIPH_B AT91_PINCTRL_PULL_UP	/* PA3 periph B with pullup */
+			    AT91_PIOA 4 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;	/* PA4 periph B with pullup */
+		    };
+		};
+            };
+
+	    rtc@fffffeb0 {
+		status = "okay";
+	    };
+
+			dbgu: serial@fffff200 {
+				status = "okay";
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+			};
+
+            /* runs to Accessory Port 1 */
+	    spi0: spi@f0000000 {
+		status = "okay";
+		cs-gpios = <&pioA 4 0>, <&pioA 2 0>, <&pioA 3 0>, <&pioA 5 0>;
+
+		ap1-adc@0 {
+		    compatible = "mts-io-ap1-adc";
+		    spi-max-frequency = <20000000>;
+		    reg = <0>;
+		};
+		ap1-dout@1 {
+		    compatible = "mts-io-ap1-dout";
+		    spi-max-frequency = <1000000>;
+		    reg = <1>;
+		};
+		ap1-spi@2 {
+		    compatible = "mts,mtac";
+		    spi-max-frequency = <2000000>;
+			reg = <2>;
+		};
+		ap1-din@3 {
+		    compatible = "mts-io-ap1-din";
+		    spi-max-frequency = <1000000>;
+		    reg = <3>;
+		};
+		/delete-node/ m25p80@0;
+	    };
+
+	    /* runs to Accessory Port 2 */
+	    spi1: spi@f0004000 {
+		status = "okay";
+
+		cs-gpios = <&pioC 15 0>, <&pioC 16 0>, <&pioC 17 0>, <&pioC 18 0>;
+
+		ap2-adc@0 {
+		    compatible = "mts-io-ap2-adc";
+		    spi-max-frequency = <20000000>;
+		    reg = <0>;
+		};
+		ap2-dout@1 {
+		    compatible = "mts-io-ap2-dout";
+		    spi-max-frequency = <1000000>;
+		    reg = <1>;
+		};
+		ap2-spi@2 {
+		    compatible = "mts,mtac";
+		    spi-max-frequency = <2000000>;
+			reg = <2>;
+		};
+		ap2-din@3 {
+		    compatible = "mts-io-ap2-din";
+		    spi-max-frequency = <1000000>;
+		    reg = <3>;
+		};
+	    };
+        };
+
+	nand0: nand@40000000 {
+	    reg = < 0x40000000 0x10000000
+		    0xffffe000 0x600		/* PMECC Registers */
+		    0xffffe600 0x200		/* PMECC Error Location Registers */
+		    0x00100000 0x100000		/* PMECC looup table in ROM code  */
+		  >;
+	    atmel,pmecc-lookup-table-offset = <0x8000 0x10000>;
+	    gpios = <	&pioC 31 GPIO_ACTIVE_HIGH
+			&pioD 4 GPIO_ACTIVE_HIGH
+			0
+		    >;
+	    atmel,pmecc-cap = <4>;
+	    atmel,nand-has-dma;
+
+	    nand@0 {
+		label = "NANDFlash";
+		reg = <0x0 0x10000000>;
+	    };
+	    at91bootstrap@0 {
+		label = "at91bootstrap";
+		reg = <0x0 0x40000>;
+	    };
+	    uboot@40000 {
+		label = "u-Boot";
+		reg = <0x40000 0x80000>;
+	    };
+	    ubootconfig0@c0000 {
+		label = "u-Boot Config";
+		reg = <0xc0000 0xa0000>;
+	    };
+	    ubootconfig1@160000 {
+		label = "u-Boot Redundant Config";
+		reg = <0x160000 0xa0000>;
+	    };
+	    uImage@200000 {
+		label = "uImage";
+		reg = <0x200000 0x600000>;
+	    };
+	    config0@800000 {
+		label = "Config";
+		reg = <0x800000 0x800000>;
+	    };
+	    config1@1000000 {
+		label = "OEM Config";
+		reg = <0x1000000 0x800000>;
+	    };
+	    rootfs@1800000 {
+		label = "Rootfs";
+		reg = <0x1800000 0xe800000>;
+	    };
+	};
+    };
+
+    leds {
+            compatible = "gpio-leds";
+
+            pa24 {
+                    label = "led-status";
+                    gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
+                    linux,default-trigger = "default-on";
+            };
+            pa25 {
+                    label = "led-a";
+                    gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
+            };
+            pa26 {
+                    label = "led-b";
+                    gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
+            };
+            pa27 {
+                    label = "led-c";
+                    gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
+            };
+            pa28 {
+                    label = "led-d";
+                    gpios = <&pioA 28 GPIO_ACTIVE_LOW>;
+            };
+    };
+
+    /* GPS-PPS input on AP1 */
+    pps-0 {
+            compatible = "pps-gpio";
+            gpios = <&pioA 29 0>;
+            capture-clear;
+            status = "okay";
+    };
+
+
+    i2c-gpio-0 {
+	status = "okay";
+
+	id_eeprom@56 {
+	    compatible = "atmel,24c04";
+	    reg = <0x56>;
+	    pagesize = <16>;
+            status = "okay";
+	};
+	board_temp@48 {
+	    compatible = "ti,tmp102";
+	    reg = <0x48>;
+            status = "okay";
+	    /* tempsensor_alert line running to pin PC19 on processor
+	       set up an interrupt for this? */
+	};
+    };
+    i2c-gpio-1 {
+	status = "okay";
+        
+	ap1_eeprom@50 {
+	    compatible = "atmel,24c04";
+	    reg = <0x50>;
+	    pagesize = <16>;
+            status = "okay";
+	};
+	ap2_eeprom@52 {
+	    compatible = "atmel,24c04";
+	    reg = <0x52>;
+	    pagesize = <16>;
+            status = "okay";
+	};
+    };
+};
Index: linux-4.9/arch/arm/boot/dts/at91sam9x5cm.dtsi
===================================================================
diff -aNru linux-4.9-orig/arch/arm/boot/dts/at91sam9x5cm.dtsi linux-4.9/arch/arm/boot/dts/at91sam9x5cm.dtsi
--- linux-4.9-orig/arch/arm/boot/dts/at91sam9x5cm.dtsi	2018-11-28 18:38:25.509563104 -0600
+++ linux-4.9/arch/arm/boot/dts/at91sam9x5cm.dtsi	2018-11-28 18:39:16.213561602 -0600
@@ -43,48 +43,8 @@
 			atmel,has-pmecc;	/* Enable PMECC */
 			atmel,pmecc-cap = <2>;
 			atmel,pmecc-sector-size = <512>;
-			nand-on-flash-bbt;
+			/* nand-on-flash-bbt; */
 			status = "okay";
-
-			at91bootstrap@0 {
-				label = "at91bootstrap";
-				reg = <0x0 0x40000>;
-			};
-
-			uboot@40000 {
-				label = "u-boot";
-				reg = <0x40000 0x80000>;
-			};
-
-			ubootenv@c0000 {
-				label = "U-Boot Env";
-				reg = <0xc0000 0x140000>;
-			};
-
-			kernel@200000 {
-				label = "kernel";
-				reg = <0x200000 0x600000>;
-			};
-
-			rootfs@800000 {
-				label = "rootfs";
-				reg = <0x800000 0x1f800000>;
-			};
-		};
-	};
-
-	leds {
-		compatible = "gpio-leds";
-
-		pb18 {
-			label = "pb18";
-			gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
-			linux,default-trigger = "heartbeat";
-		};
-
-		pd21 {
-			label = "pd21";
-			gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
 		};
 	};
 
@@ -96,5 +56,4 @@
 		pinctrl-0 = <&pinctrl_1wire_cm>;
 		status = "okay";
 	};
-
 };
Index: linux-4.9/arch/arm/boot/dts/at91sam9x5ek.dtsi
===================================================================
diff -aNru linux-4.9-orig/arch/arm/boot/dts/at91sam9x5ek.dtsi linux-4.9/arch/arm/boot/dts/at91sam9x5ek.dtsi
--- linux-4.9-orig/arch/arm/boot/dts/at91sam9x5ek.dtsi	2018-11-28 17:48:21.157652047 -0600
+++ linux-4.9/arch/arm/boot/dts/at91sam9x5ek.dtsi	2018-11-28 17:49:54.793649275 -0600
@@ -25,23 +25,11 @@
 					&pinctrl_mmc0_slot0_clk_cmd_dat0
 					&pinctrl_mmc0_slot0_dat1_3>;
 				status = "okay";
+                                /* external micro SD slot */
 				slot@0 {
 					reg = <0>;
 					bus-width = <4>;
-					cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
-				};
-			};
-
-			mmc1: mmc@f000c000 {
-				pinctrl-0 = <
-					&pinctrl_board_mmc1
-					&pinctrl_mmc1_slot0_clk_cmd_dat0
-					&pinctrl_mmc1_slot0_dat1_3>;
-				status = "okay";
-				slot@0 {
-					reg = <0>;
-					bus-width = <4>;
-					cd-gpios = <&pioD 14 GPIO_ACTIVE_HIGH>;
+					cd-gpios = <&pioA 1 GPIO_ACTIVE_HIGH>;
 				};
 			};
 
@@ -49,7 +37,7 @@
 				status = "okay";
 			};
 
-			usart0: serial@f801c000 {
+			uart0: serial@f8040000 {
 				atmel,use-dma-rx;
 				atmel,use-dma-tx;
 				status = "okay";
@@ -58,25 +46,12 @@
 			usb2: gadget@f803c000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_board_usb2>;
-				atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
-				status = "okay";
-			};
-
-			i2c0: i2c@f8010000 {
-				status = "okay";
-
-				wm8731: wm8731@1a {
-					compatible = "wm8731";
-					reg = <0x1a>;
-				};
-			};
-
-			adc0: adc@f804c000 {
-				atmel,adc-ts-wires = <4>;
-				atmel,adc-ts-pressure-threshold = <10000>;
+				/* atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;		mtcdt: no vbus-gpio */
 				status = "okay";
 			};
 
+                        /* A/D convertor is unusable on Conduit */
+                        
 			pinctrl@fffff400 {
 				camera_sensor {
 					pinctrl_pck0_as_isi_mck: pck0_as_isi_mck-0 {
@@ -118,7 +93,7 @@
 			};
 
 			spi0: spi@f0000000 {
-				status = "disabled";	/* conflict with mmc1 */
+                                status = "okay";
 				cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
 				m25p80@0 {
 					compatible = "atmel,at25df321a";
@@ -131,37 +106,20 @@
 				status = "okay";
 			};
 
-			ssc0: ssc@f0010000 {
-				status = "okay";
-			};
 		};
 
 		usb0: ohci@00600000 {
 			status = "okay";
 			num-ports = <3>;
-			atmel,vbus-gpio = <0 /* &pioD 18 GPIO_ACTIVE_LOW *//* Activate to have access to port A */
-					   &pioD 19 GPIO_ACTIVE_LOW
-					   &pioD 20 GPIO_ACTIVE_LOW
-					  >;
+			//mtcdt: no vbus-gpio
+			// atmel,vbus-gpio = <0 /* &pioD 18 GPIO_ACTIVE_LOW *//* Activate to have access to port A */
+			//		   &pioD 19 GPIO_ACTIVE_LOW
+			//		   &pioD 20 GPIO_ACTIVE_LOW
+			//		  >;
 		};
 
 		usb1: ehci@00700000 {
 			status = "okay";
 		};
 	};
-
-	sound {
-		compatible = "atmel,sam9x5-wm8731-audio";
-
-		atmel,model = "wm8731 @ AT91SAM9X5EK";
-
-		atmel,audio-routing =
-			"Headphone Jack", "RHPOUT",
-			"Headphone Jack", "LHPOUT",
-			"LLINEIN", "Line In Jack",
-			"RLINEIN", "Line In Jack";
-
-		atmel,ssc-controller = <&ssc0>;
-		atmel,audio-codec = <&wm8731>;
-	};
 };
diff -aNru linux-4.9-orig/arch/arm/boot/dts/Makefile linux-4.9/arch/arm/boot/dts/Makefile
--- linux-4.9-orig/arch/arm/boot/dts/Makefile	2018-11-28 17:48:26.197651897 -0600
+++ linux-4.9/arch/arm/boot/dts/Makefile	2018-11-28 17:49:26.441650114 -0600
@@ -43,7 +43,8 @@
 	at91sam9g25ek.dtb \
 	at91sam9g35ek.dtb \
 	at91sam9x25ek.dtb \
-	at91sam9x35ek.dtb
+	at91sam9x35ek.dtb \
+	mtcdt.dtb
 dtb-$(CONFIG_SOC_SAM_V7) += \
 	at91-kizbox2.dtb \
 	at91-sama5d2_ptc_ek.dtb \
Index: linux-4.9/arch/arm/boot/dts/at91sam9x5.dtsi
===================================================================
diff -aNru linux-4.9-orig/arch/arm/boot/dts/at91sam9x5.dtsi linux-4.9/arch/arm/boot/dts/at91sam9x5.dtsi
--- linux-4.9-orig/arch/arm/boot/dts/at91sam9x5.dtsi	2018-11-28 17:20:48.149700984 -0600
+++ linux-4.9/arch/arm/boot/dts/at91sam9x5.dtsi	2018-11-28 17:27:35.665688919 -0600
@@ -32,9 +32,6 @@
 		gpio3 = &pioD;
 		tcb0 = &tcb0;
 		tcb1 = &tcb1;
-		i2c0 = &i2c0;
-		i2c1 = &i2c1;
-		i2c2 = &i2c2;
 		ssc0 = &ssc0;
 		pwm0 = &pwm0;
 	};
@@ -963,50 +960,7 @@
 				status = "disabled";
 			};
 
-			i2c0: i2c@f8010000 {
-				compatible = "atmel,at91sam9x5-i2c";
-				reg = <0xf8010000 0x100>;
-				interrupts = <9 IRQ_TYPE_LEVEL_HIGH 6>;
-				dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(7)>,
-				       <&dma0 1 AT91_DMA_CFG_PER_ID(8)>;
-				dma-names = "tx", "rx";
-				#address-cells = <1>;
-				#size-cells = <0>;
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_i2c0>;
-				clocks = <&twi0_clk>;
-				status = "disabled";
-			};
-
-			i2c1: i2c@f8014000 {
-				compatible = "atmel,at91sam9x5-i2c";
-				reg = <0xf8014000 0x100>;
-				interrupts = <10 IRQ_TYPE_LEVEL_HIGH 6>;
-				dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(5)>,
-				       <&dma1 1 AT91_DMA_CFG_PER_ID(6)>;
-				dma-names = "tx", "rx";
-				#address-cells = <1>;
-				#size-cells = <0>;
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_i2c1>;
-				clocks = <&twi1_clk>;
-				status = "disabled";
-			};
-
-			i2c2: i2c@f8018000 {
-				compatible = "atmel,at91sam9x5-i2c";
-				reg = <0xf8018000 0x100>;
-				interrupts = <11 IRQ_TYPE_LEVEL_HIGH 6>;
-				dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(9)>,
-				       <&dma0 1 AT91_DMA_CFG_PER_ID(10)>;
-				dma-names = "tx", "rx";
-				#address-cells = <1>;
-				#size-cells = <0>;
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_i2c2>;
-				clocks = <&twi2_clk>;
-				status = "disabled";
-			};
+			/* /delete_node/ command does not work. */
 
 			uart0: serial@f8040000 {
 				compatible = "atmel,at91sam9260-usart";