Original MTR, initial revision

3 files changed, 569 insertions, 0 deletions

diff --git a/recipes-kernel/linux/linux-at91-4.9.87/mtr/fix-atmel-mci-reg-overloading.patch b/recipes-kernel/linux/linux-at91-4.9.87/mtr/fix-atmel-mci-reg-overloading.patch
new file mode 100644
index 0000000..f5b844c
--- /dev/null
+++ b/recipes-kernel/linux/linux-at91-4.9.87/mtr/fix-atmel-mci-reg-overloading.patch
@@ -0,0 +1,19 @@
+diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
+index 0ad8ef56..e288f423 100644
+--- a/drivers/mmc/host/atmel-mci.c
++++ b/drivers/mmc/host/atmel-mci.c
+@@ -673,8 +673,12 @@ atmci_of_init(struct platform_device *pdev)
+ 	}
+ 
+ 	for_each_child_of_node(np, cnp) {
+-		if (of_property_read_u32(cnp, "reg", &slot_id)) {
+-			dev_warn(&pdev->dev, "reg property is missing for %s\n",
++   /* Multi-Tech patch here. The original driver went through each child 
++      device, and interprets 'reg' as slot ID. All other devices treat 'reg' 
++      as function. We correct the driver here to take a 'slot-id' parameter 
++      from OF for slot. MN */
++		if (of_property_read_u32(cnp, "slot-id", &slot_id)) {
++			dev_warn(&pdev->dev, "slot-id property is missing for %s\n",
+ 				 cnp->full_name);
+ 			continue;
+ 		}
diff --git a/recipes-kernel/linux/linux-at91-4.9.87/mtr/linux-4.9-mtr-device-tree.patch b/recipes-kernel/linux/linux-at91-4.9.87/mtr/linux-4.9-mtr-device-tree.patch
new file mode 100644
index 0000000..15137e0
--- /dev/null
+++ b/recipes-kernel/linux/linux-at91-4.9.87/mtr/linux-4.9-mtr-device-tree.patch
@@ -0,0 +1,544 @@
+diff -Naru linux-4.9.87.orig/arch/arm/boot/dts/mtr.dts linux-4.9.87/arch/arm/boot/dts/mtr.dts
+--- linux-4.9.87.orig/arch/arm/boot/dts/mtr.dts	1969-12-31 18:00:00.000000000 -0600
++++ linux-4.9.87/arch/arm/boot/dts/mtr.dts	2019-01-03 15:17:51.799576663 -0600
+@@ -0,0 +1,258 @@
++/*
++ * DTS file for Multi-Tech Systems mtr Hardware
++ *
++ * Copyright (C) 2016 by Multi-Tech Systems,
++ *
++ * Licensed under GPLv2 or later.
++ */
++
++/dts-v1/;
++#include "at91sam9g25.dtsi"
++#include "at91sam9x5ek.dtsi"
++
++/ {
++	model = "Multi-Tech Systems MTR";
++	compatible = "atmel,at91sam9g25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
++
++	chosen {
++		bootargs = "mem=128M console=ttyS0,115200 root=/dev/mtdblock8 ro rootfstype=jffs2";
++	};
++
++	memory {
++		reg = <0x20000000 0x8000000>;
++	};
++
++	clocks {
++		#address-cells = <1>;
++		#size-cells = <1>;
++		ranges;
++
++		main_clock: clock@0 {
++			compatible = "atmel,osc", "fixed-clock";
++			clock-frequency = <12000000>;
++		};
++	};
++
++	ahb {
++		apb {
++			macb0: ethernet@f802c000 {
++				phy-mode = "mii";
++				status = "okay";
++			};
++ 
++     mmc0: mmc@f0008000 {
++				pinctrl-names = "default";
++				pinctrl-0 = <
++					&pinctrl_board_mmc0
++					&pinctrl_mmc0_slot0_clk_cmd_dat0
++					&pinctrl_mmc0_slot0_dat1_3>;
++				status = "okay";
++       always_present;
++       cd-permanent;
++       slot@0 {
++         compatible = "ti,wl1271";
++         reg = <2>;                              /* Card function */
++ 			  bus-width = <4>;
++         non-removeable; 
++         status = "okay";
++         interrupt-parent = <&pioA>;
++         interrupts = <26 IRQ_TYPE_LEVEL_HIGH>;  /* PA26 - REQUIRED */
++         ref-clock-frequency = <38400000>;       /* 2 = 38.4MHz */
++         platform-quirks = <0x1>;                /* 1 = Edge IRQ */
++         slot-id = <0>;                          /* Atmel MCI driver fix */
++       };
++     };
++
++			pinctrl@fffff400 {
++				mmc0 {
++					pinctrl_board_mmc0: mmc0-board {
++						atmel,pins =
++							<AT91_PIOA 26 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN         /* PA26 gpio A int pin pull down */
++							AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PD15 gpio CD 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 */
++					};
++
++					pinctrl_nand_16bits: nand_16bits-0 {
++						atmel,pins =
++							<AT91_PIOD 14 AT91_PERIPH_A AT91_PINCTRL_PULL_UP   /* PD14 periph A Data bit 8 */
++							AT91_PIOD 15 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD15 periph A Data bit 9 */
++							AT91_PIOD 16 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD16 periph A Data bit 10 */
++							AT91_PIOD 17 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD17 periph A Data bit 11 */
++							AT91_PIOD 18 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD18 periph A Data bit 12 */
++							AT91_PIOD 19 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD19 periph A Data bit 13 */
++							AT91_PIOD 20 AT91_PERIPH_A AT91_PINCTRL_PULL_UP    /* PD20 periph A Data bit 14 */
++							AT91_PIOD 21 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;  /* PD21 periph A Data bit 15 */
++					};
++				};
++
++				1wire_cm {
++					pinctrl_1wire_cm: 1wire_cm-0 {
++						atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
++					};
++				};
++
++        radio_control {
++          pinctrl_radio_control: radio_control-0 {
++            atmel,pins =
++							<AT91_PIOA 21 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP  /* PA22 GPIO pull-up radio-power */
++							AT91_PIOA 22 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; /* PA22 GPIO pull-up radio-reset */
++          };
++        };
++			};
++
++			rtc@fffffeb0 {
++				status = "okay";
++			};
++
++			dbgu: serial@fffff200 {
++				status = "okay";
++			};
++
++			uart0: serial@f8040000 {
++				status = "okay";
++			};
++			usb2: gadget@f803c000 {
++				atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
++				status = "okay";
++			};
++			watchdog@fffffe40 {
++				status = "okay";
++			};
++		};
++
++		nand0: nand@40000000 {
++			nand-bus-width = <8>;
++			nand-ecc-mode = "hw";
++			atmel,has-pmecc;	/* Enable PMECC */
++			atmel,pmecc-sector-size = <512>;
++			status = "okay";
++			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>;
++			};
++		};
++
++		usb0: ohci@00600000 {
++			status = "okay";
++			num-ports = <3>;
++		};
++
++		usb1: ehci@00700000 {
++			status = "okay";
++		};
++	};
++
++	leds {
++		compatible = "gpio-leds";
++
++		pc21 {
++			label = "led-status";
++			gpios = <&pioC 21 GPIO_ACTIVE_LOW>;
++			linux,default-trigger = "default-on";
++		};
++		pc15 {
++			label = "led-b";
++			gpios = <&pioC 15 GPIO_ACTIVE_LOW>;
++		};
++		pc20 {
++			label = "led-c";
++			gpios = <&pioC 20 GPIO_ACTIVE_LOW>;
++		};
++		pc19 {
++			label = "led-d";
++			gpios = <&pioC 19 GPIO_ACTIVE_LOW>;
++		};
++		pc18 {
++			label = "led-e";
++			gpios = <&pioC 18 GPIO_ACTIVE_LOW>;
++		};
++		pc17 {
++			label = "led-f";
++			gpios = <&pioC 17 GPIO_ACTIVE_LOW>;
++		};
++	};
++
++        i2c-gpio-0 {
++                status = "okay";
++
++                id_eeprom@56 {
++                        compatible = "atmel,24c04";
++                        reg = <0x56>;
++                        pagesize = <16>;
++                        status = "okay";
++                };
++        };
++
++	1wire_cm {
++		compatible = "w1-gpio";
++		gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
++		linux,open-drain;
++		pinctrl-names = "default";
++		pinctrl-0 = <&pinctrl_1wire_cm>;
++		status = "okay";
++	};
++};
+diff -Naru linux-4.9.87.orig/arch/arm/boot/dts/at91sam9x5cm.dtsi linux-4.9.87/arch/arm/boot/dts/at91sam9x5cm.dtsi
+--- linux-4.9.87.orig/arch/arm/boot/dts/at91sam9x5cm.dtsi	2019-01-03 15:21:25.339570341 -0600
++++ linux-4.9.87/arch/arm/boot/dts/at91sam9x5cm.dtsi	2019-01-03 15:17:51.911576659 -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";
+ 	};
+-
+ };
+diff -Naru linux-4.9.87.orig/arch/arm/boot/dts/at91sam9x5ek.dtsi linux-4.9.87/arch/arm/boot/dts/at91sam9x5ek.dtsi
+--- linux-4.9.87.orig/arch/arm/boot/dts/at91sam9x5ek.dtsi	2019-01-03 15:21:25.339570341 -0600
++++ linux-4.9.87/arch/arm/boot/dts/at91sam9x5ek.dtsi	2019-01-03 15:17:51.911576659 -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 -Naru linux-4.9.87.orig/arch/arm/boot/dts/Makefile linux-4.9.87/arch/arm/boot/dts/Makefile
+--- linux-4.9.87.orig/arch/arm/boot/dts/Makefile	2019-01-03 15:21:25.339570341 -0600
++++ linux-4.9.87/arch/arm/boot/dts/Makefile	2019-01-03 15:17:51.911576659 -0600
+@@ -43,7 +43,8 @@
+ 	at91sam9g25ek.dtb \
+ 	at91sam9g35ek.dtb \
+ 	at91sam9x25ek.dtb \
+-	at91sam9x35ek.dtb
++	at91sam9x35ek.dtb \
++	mtr.dtb
+ dtb-$(CONFIG_SOC_SAM_V7) += \
+ 	at91-kizbox2.dtb \
+ 	at91-sama5d2_ptc_ek.dtb \
+diff -Naru linux-4.9.87.orig/arch/arm/boot/dts/at91sam9x5.dtsi linux-4.9.87/arch/arm/boot/dts/at91sam9x5.dtsi
+--- linux-4.9.87.orig/arch/arm/boot/dts/at91sam9x5.dtsi	2019-01-03 15:21:25.339570341 -0600
++++ linux-4.9.87/arch/arm/boot/dts/at91sam9x5.dtsi	2019-01-03 15:17:51.911576659 -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";
+diff --git a/arch/arm/boot/dts/at91sam9x5ek.dtsi b/arch/arm/boot/dts/at91sam9x5ek.dtsi
+index d3fa60aa..0fcaa00a 100644
+--- a/arch/arm/boot/dts/at91sam9x5ek.dtsi
++++ b/arch/arm/boot/dts/at91sam9x5ek.dtsi
+@@ -19,20 +19,6 @@
+ 
+ 	ahb {
+ 		apb {
+-			mmc0: mmc@f0008000 {
+-				pinctrl-0 = <
+-					&pinctrl_board_mmc0
+-					&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 = <&pioA 1 GPIO_ACTIVE_HIGH>;
+-				};
+-			};
+-
+ 			dbgu: serial@fffff200 {
+ 				status = "okay";
+ 			};
diff --git a/recipes-kernel/linux/linux-at91_4.9.87.bb b/recipes-kernel/linux/linux-at91_4.9.87.bb
index 50b11e9..e391b60 100644
--- a/recipes-kernel/linux/linux-at91_4.9.87.bb
+++ b/recipes-kernel/linux/linux-at91_4.9.87.bb
@@ -60,10 +60,16 @@ SRC_URI_append_mtcap = "\
             ${COMMON_PATCHES} \
             file://linux-4.9-mtcap-device-tree.patch \
             "
+SRC_URI_append_mtr = "\
+            ${COMMON_PATCHES} \
+            file://linux-4.9-mtr-device-tree.patch \
+            file://fix-atmel-mci-reg-overloading.patch \
+            "
 
 DTB_APPEND_mtcdt = "mtcdt"
 DTB_APPEND_mtrv1 = "mtrv1"
 DTB_APPEND_mtcap = "mtcap"
+DTB_APPEND_mtr = "mtr"
 
 python __anonymous () {
 	if d.getVar('UBOOT_FIT_IMAGE', True) == 'xyes':