[OpenWrt-Devel] [PATCH 4/4] imx6: Add support for Toradex Apalis family of CoMs
Petr Štetiar
ynezz at true.cz
Thu Apr 4 09:10:35 EDT 2019
This patch adds support for the following computer on modules (CoM) from
Toradex[A]:
Apalis iMX6 Quad 2GB IT - i.MX 6Quad 800MHz, 2GB DDR3, 4GB eMMC
-40° to +85° C Temp
Apalis iMX6 Quad 1GB - i.MX 6Quad 1GHz, 1GB DDR3, 4GB eMMC
0° to +70° C Temp
Apalis iMX6 Dual 1GB IT - i.MX 6Dual 800MHz, 1GB DDR3, 4GB eMMC
-40° to +85° C Temp
Apalis iMX6 Dual 512MB - i.MX 6Dual 1GHz, 512MB DDR3, 4GB eMMC
0° to +70° C Temp
I've developed and tested it on Quad 2GB IT v1.1A and Dual 512MB v1.1A
CoMs, using Ixora[B] carrier board v1.0A, but it should hopefuly work on
Eval[C] board as well.
A. https://www.toradex.com/computer-on-modules/apalis-arm-family/nxp-freescale-imx-6
B. https://www.toradex.com/products/carrier-board/ixora-carrier-board
C. https://www.toradex.com/products/carrier-board/apalis-evaluation-board
Flashing/recovery instructions:
1. Download and compile imx_loader for OpenWrt from
https://github.com/ynezz/imx_loader
2. Enter recovery mode as desribed in
https://developer.toradex.com/knowledge-base/imx-recovery-mode
3. Connect board via USB to the host computer, check that it's connected
by lsusb:
15a2:0054 Freescale Semiconductor, Inc. i.MX 6Dual/6Quad SystemOnChip
in RecoveryMode
4. Copy following OpenWrt images to imx_loader directory:
SPL
u-boot.img
u-boot-with-spl.imx
openwrt-imx6-apalis-recovery.scr
openwrt-imx6-apalis-squashfs.combined.bin
5. Run imx_usb in imx_loader directory
Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
target/linux/imx6/Makefile | 2 +-
target/linux/imx6/base-files/lib/imx6.sh | 36 +++++++++
.../imx6/base-files/lib/preinit/79_move_config | 20 +++++
.../linux/imx6/base-files/lib/upgrade/platform.sh | 47 ++++++++++++
target/linux/imx6/image/Makefile | 33 +++++++++
target/linux/imx6/image/bootscript-apalis | 20 +++++
target/linux/imx6/image/recovery-apalis | 14 ++++
.../patches-4.14/301-apalis-ixora-dts-leds.patch | 86 ++++++++++++++++++++++
.../302-apalis-ixora-dts-reset-button.patch | 76 +++++++++++++++++++
.../patches-4.19/301-apalis-ixora-dts-leds.patch | 86 ++++++++++++++++++++++
.../302-apalis-ixora-dts-reset-button.patch | 76 +++++++++++++++++++
11 files changed, 495 insertions(+), 1 deletion(-)
create mode 100644 target/linux/imx6/base-files/lib/preinit/79_move_config
create mode 100644 target/linux/imx6/image/bootscript-apalis
create mode 100644 target/linux/imx6/image/recovery-apalis
create mode 100644 target/linux/imx6/patches-4.14/301-apalis-ixora-dts-leds.patch
create mode 100644 target/linux/imx6/patches-4.14/302-apalis-ixora-dts-reset-button.patch
create mode 100644 target/linux/imx6/patches-4.19/301-apalis-ixora-dts-leds.patch
create mode 100644 target/linux/imx6/patches-4.19/302-apalis-ixora-dts-reset-button.patch
diff --git a/target/linux/imx6/Makefile b/target/linux/imx6/Makefile
index 73512ca..49e4487 100644
--- a/target/linux/imx6/Makefile
+++ b/target/linux/imx6/Makefile
@@ -20,6 +20,6 @@ include $(INCLUDE_DIR)/target.mk
KERNELNAME:=zImage dtbs
-DEFAULT_PACKAGES += uboot-envtools mkf2fs e2fsprogs
+DEFAULT_PACKAGES += uboot-envtools mkf2fs e2fsprogs blkid
$(eval $(call BuildTarget))
diff --git a/target/linux/imx6/base-files/lib/imx6.sh b/target/linux/imx6/base-files/lib/imx6.sh
index 1bf1439..68caaff 100755
--- a/target/linux/imx6/base-files/lib/imx6.sh
+++ b/target/linux/imx6/base-files/lib/imx6.sh
@@ -6,6 +6,33 @@
IMX6_BOARD_NAME=
IMX6_MODEL=
+rootpartuuid() {
+ local cmdline=$(cat /proc/cmdline)
+ local bootpart=${cmdline##*root=}
+ bootpart=${bootpart%% *}
+ local uuid=${bootpart#PARTUUID=}
+ echo ${uuid%-02}
+}
+
+bootdev_from_uuid() {
+ blkid | grep "PTUUID=\"$(rootpartuuid)\"" | cut -d : -f1
+}
+
+bootpart_from_uuid() {
+ blkid | grep $(rootpartuuid)-01 | cut -d : -f1
+}
+
+rootpart_from_uuid() {
+ blkid | grep $(rootpartuuid)-02 | cut -d : -f1
+}
+
+apalis_mount_boot() {
+ mkdir -p /boot
+ [ -f /boot/uImage ] || {
+ mount -o rw,noatime $(bootpart_from_uuid) /boot > /dev/null
+ }
+}
+
imx6_board_detect() {
local machine
local name
@@ -59,6 +86,15 @@ imx6_board_detect() {
name="cubox-i"
;;
+ "Toradex Apalis iMX6Q/D Module on Ixora Carrier Board" |\
+ "Toradex Apalis iMX6Q/D Module on Ixora Carrier Board V1.1")
+ name="apalis,ixora"
+ ;;
+
+ "Toradex Apalis iMX6Q/D Module on Apalis Evaluation Board")
+ name="apalis,eval"
+ ;;
+
"Wandboard i.MX6 Dual Lite Board")
name="wandboard"
;;
diff --git a/target/linux/imx6/base-files/lib/preinit/79_move_config b/target/linux/imx6/base-files/lib/preinit/79_move_config
new file mode 100644
index 0000000..6b66fbd
--- /dev/null
+++ b/target/linux/imx6/base-files/lib/preinit/79_move_config
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+. /lib/imx6.sh
+. /lib/functions.sh
+
+move_config() {
+ local board=$(board_name)
+
+ case "$board" in
+ apalis*)
+ if [ -b $(bootpart_from_uuid) ]; then
+ apalis_mount_boot
+ [ -f /boot/sysupgrade.tgz ] && mv -f /boot/sysupgrade.tgz /
+ umount /boot
+ fi
+ ;;
+ esac
+}
+
+boot_hook_add preinit_mount_root move_config
diff --git a/target/linux/imx6/base-files/lib/upgrade/platform.sh b/target/linux/imx6/base-files/lib/upgrade/platform.sh
index ab52291..2d76b6b 100755
--- a/target/linux/imx6/base-files/lib/upgrade/platform.sh
+++ b/target/linux/imx6/base-files/lib/upgrade/platform.sh
@@ -2,10 +2,44 @@
# Copyright (C) 2010-2015 OpenWrt.org
#
+. /lib/imx6.sh
+
+RAMFS_COPY_BIN='blkid'
+
+enable_image_metadata_check() {
+ case "$(board_name)" in
+ apalis*)
+ REQUIRE_IMAGE_METADATA=1
+ ;;
+ esac
+}
+enable_image_metadata_check
+
+apalis_copy_config() {
+ apalis_mount_boot
+ cp -af "$CONF_TAR" /boot/
+ sync
+ umount /boot
+}
+
+apalis_do_upgrade() {
+ local board_name=$(board_name)
+ board_name=${board_name/,/_}
+
+ apalis_mount_boot
+ get_image "$1" | tar Oxf - sysupgrade-${board_name}/kernel > /boot/uImage
+ get_image "$1" | tar Oxf - sysupgrade-${board_name}/root > $(rootpart_from_uuid)
+ sync
+ umount /boot
+}
+
platform_check_image() {
local board=$(board_name)
case "$board" in
+ apalis*)
+ return 0
+ ;;
*gw5*)
nand_do_platform_check $board $1
return $?;
@@ -20,8 +54,21 @@ platform_do_upgrade() {
local board=$(board_name)
case "$board" in
+ apalis*)
+ apalis_do_upgrade "$1"
+ ;;
*gw5*)
nand_do_upgrade "$1"
;;
esac
}
+
+platform_copy_config() {
+ local board=$(board_name)
+
+ case "$board" in
+ apalis*)
+ apalis_copy_config
+ ;;
+ esac
+}
diff --git a/target/linux/imx6/image/Makefile b/target/linux/imx6/image/Makefile
index fa10b75..85d6823 100644
--- a/target/linux/imx6/image/Makefile
+++ b/target/linux/imx6/image/Makefile
@@ -58,6 +58,12 @@ define Build/boot-scr
$(BIN_DIR)/boot.scr
endef
+define Build/recovery-scr
+ mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
+ -n '$(DEVICE_ID) OpenWrt recovery bootscript' \
+ -d ./recovery-$(DEVICE_NAME) $@
+endef
+
define Build/imx6-combined-image-prepare
rm -rf $@.boot
mkdir -p $@.boot
@@ -101,6 +107,10 @@ define Build/imx6-sdcard
$(Build/imx6-combined-image-clean)
endef
+define Build/apalis-emmc
+ $(Build/imx6-combined-image-prepare)
+ $(Build/imx6-combined-image)
+ $(Build/imx6-combined-image-clean)
endef
#################################################
@@ -190,4 +200,27 @@ define Device/cubox-i
endef
TARGET_DEVICES += cubox-i
+define Device/apalis
+ DEVICE_TITLE := Toradex Apalis family
+ SUPPORTED_DEVICES := apalis,ixora apalis,eval
+ DEVICE_DTS := \
+ imx6q-apalis-eval \
+ imx6q-apalis-ixora \
+ imx6q-apalis-ixora-v1.1
+ DEVICE_PACKAGES := \
+ kmod-can kmod-can-flexcan kmod-can-raw \
+ kmod-leds-gpio kmod-gpio-button-hotplug \
+ kmod-pps-gpio kmod-rtc-ds1307
+ BOOT_SCRIPT := bootscript-apalis
+ UBOOT := apalis_imx6
+ FILESYSTEMS := squashfs
+ IMAGES := combined.bin sysupgrade.bin
+ IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1).$$(2)
+ IMAGE/combined.bin := append-rootfs | pad-extra 128k | apalis-emmc
+ IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+ ARTIFACTS := recovery.scr
+ ARTIFACT/recovery.scr := recovery-scr
+endef
+TARGET_DEVICES += apalis
+
$(eval $(call BuildImage))
diff --git a/target/linux/imx6/image/bootscript-apalis b/target/linux/imx6/image/bootscript-apalis
new file mode 100644
index 0000000..81a501c
--- /dev/null
+++ b/target/linux/imx6/image/bootscript-apalis
@@ -0,0 +1,20 @@
+echo "Toradex Apalis OpenWrt Boot script v1.0"
+
+run finduuid
+
+setenv nextcon 0
+setenv fdt_file imx6q-apalis-ixora.dtb
+setenv root root=PARTUUID=${uuid} rootfstype=squashfs rootwait
+setenv bootargs earlyprintk console=${console},${baudrate}n8 ${root}
+setenv fsload ext4load mmc ${mmcbootdev}:${bootpart}
+
+if ${fsload} ${kernel_addr_r} ${boot_file}; then
+ if ${fsload} ${fdt_addr_r} ${fdt_file}; then
+ test -n "$fdt_fixup" && run fdt_fixup
+ bootm ${kernel_addr_r} - ${fdt_addr_r}
+ else
+ echo "Error loading device-tree"
+ fi
+else
+ echo "Error loading kernel image"
+fi
diff --git a/target/linux/imx6/image/recovery-apalis b/target/linux/imx6/image/recovery-apalis
new file mode 100644
index 0000000..c1c5a3f
--- /dev/null
+++ b/target/linux/imx6/image/recovery-apalis
@@ -0,0 +1,14 @@
+# flash u-boot-with-spl.imx
+# using fixed size of 1M for U-Boot + SPL
+mmc dev 0 1
+mmc write 0x12100000 0x2 0x800
+
+# flash openwrt-imx6-apalis-squashfs.combined.bin
+run set_blkcnt
+mmc dev 0 0
+mmc write 0x12500000 0 ${blkcnt}
+
+env default -f -a
+saveenv
+
+reset
diff --git a/target/linux/imx6/patches-4.14/301-apalis-ixora-dts-leds.patch b/target/linux/imx6/patches-4.14/301-apalis-ixora-dts-leds.patch
new file mode 100644
index 0000000..acec1e8
--- /dev/null
+++ b/target/linux/imx6/patches-4.14/301-apalis-ixora-dts-leds.patch
@@ -0,0 +1,86 @@
+arm: dts: apalis-ixora: Add status LEDs aliases
+
+Signed-off-by: Petr Štetiar <ynezz at true.cz>
+
+--- a/arch/arm/boot/dts/imx6q-apalis-ixora.dts
++++ b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
+@@ -60,6 +60,10 @@
+ i2c2 = &i2c2;
+ rtc0 = &rtc_i2c;
+ rtc1 = &snvs_rtc;
++ led-boot = &led_boot;
++ led-failsafe = &led_failsafe;
++ led-running = &led_running;
++ led-upgrade = &led_upgrade;
+ };
+
+ gpio-keys {
+@@ -123,22 +127,22 @@
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_leds_ixora>;
+
+- led4-green {
++ led_running: led4-green {
+ label = "LED_4_GREEN";
+ gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
+ };
+
+- led4-red {
++ led_upgrade: led4-red {
+ label = "LED_4_RED";
+ gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
+ };
+
+- led5-green {
++ led_boot: led5-green {
+ label = "LED_5_GREEN";
+ gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
+ };
+
+- led5-red {
++ led_failsafe: led5-red {
+ label = "LED_5_RED";
+ gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
+ };
+--- a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
++++ b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
+@@ -61,6 +61,10 @@
+ i2c2 = &i2c2;
+ rtc0 = &rtc_i2c;
+ rtc1 = &snvs_rtc;
++ led-boot = &led_boot;
++ led-failsafe = &led_failsafe;
++ led-running = &led_running;
++ led-upgrade = &led_upgrade;
+ };
+
+ gpio-keys {
+@@ -124,22 +128,22 @@
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_leds_ixora>;
+
+- led4-green {
++ led_running: led4-green {
+ label = "LED_4_GREEN";
+- gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
++ gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
+ };
+
+- led4-red {
++ led_upgrade: led4-red {
+ label = "LED_4_RED";
+- gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>;
++ gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
+ };
+
+- led5-green {
++ led_boot: led5-green {
+ label = "LED_5_GREEN";
+ gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
+ };
+
+- led5-red {
++ led_failsafe: led5-red {
+ label = "LED_5_RED";
+ gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
+ };
diff --git a/target/linux/imx6/patches-4.14/302-apalis-ixora-dts-reset-button.patch b/target/linux/imx6/patches-4.14/302-apalis-ixora-dts-reset-button.patch
new file mode 100644
index 0000000..ede872f
--- /dev/null
+++ b/target/linux/imx6/patches-4.14/302-apalis-ixora-dts-reset-button.patch
@@ -0,0 +1,76 @@
+arm: dts: apalis-ixora: Add switch3 as reset button
+
+Signed-off-by: Petr Štetiar <ynezz at true.cz>
+
+--- a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
++++ b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
+@@ -70,7 +70,7 @@
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+- pinctrl-0 = <&pinctrl_gpio_keys>;
++ pinctrl-0 = <&pinctrl_gpio_keys &pinctrl_switch3_ixora>;
+
+ wakeup {
+ label = "Wake-Up";
+@@ -79,6 +79,13 @@
+ debounce-interval = <10>;
+ wakeup-source;
+ };
++
++ reset {
++ label = "reset";
++ gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
++ linux,code = <KEY_RESTART>;
++ debounce-interval = <10>;
++ };
+ };
+
+ lcd_display: display at di0 {
+@@ -292,4 +299,10 @@
+ MX6QDL_PAD_NANDF_D2__GPIO2_IO02 0x1b0b0
+ >;
+ };
++
++ pinctrl_switch3_ixora: switch3ixora {
++ fsl,pins = <
++ MX6QDL_PAD_SD1_DAT0__GPIO1_IO16 0x1b0b0
++ >;
++ };
+ };
+--- a/arch/arm/boot/dts/imx6q-apalis-ixora.dts
++++ b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
+@@ -69,7 +69,7 @@
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+- pinctrl-0 = <&pinctrl_gpio_keys>;
++ pinctrl-0 = <&pinctrl_gpio_keys &pinctrl_switch3_ixora>;
+
+ wakeup {
+ label = "Wake-Up";
+@@ -78,6 +78,13 @@
+ debounce-interval = <10>;
+ wakeup-source;
+ };
++
++ reset {
++ label = "reset";
++ gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
++ linux,code = <KEY_RESTART>;
++ debounce-interval = <10>;
++ };
+ };
+
+ lcd_display: display at di0 {
+@@ -293,4 +300,10 @@
+ MX6QDL_PAD_NANDF_D2__GPIO2_IO02 0x1b0b0
+ >;
+ };
++
++ pinctrl_switch3_ixora: switch3ixora {
++ fsl,pins = <
++ MX6QDL_PAD_SD1_DAT0__GPIO1_IO16 0x1b0b0
++ >;
++ };
+ };
diff --git a/target/linux/imx6/patches-4.19/301-apalis-ixora-dts-leds.patch b/target/linux/imx6/patches-4.19/301-apalis-ixora-dts-leds.patch
new file mode 100644
index 0000000..acec1e8
--- /dev/null
+++ b/target/linux/imx6/patches-4.19/301-apalis-ixora-dts-leds.patch
@@ -0,0 +1,86 @@
+arm: dts: apalis-ixora: Add status LEDs aliases
+
+Signed-off-by: Petr Štetiar <ynezz at true.cz>
+
+--- a/arch/arm/boot/dts/imx6q-apalis-ixora.dts
++++ b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
+@@ -60,6 +60,10 @@
+ i2c2 = &i2c2;
+ rtc0 = &rtc_i2c;
+ rtc1 = &snvs_rtc;
++ led-boot = &led_boot;
++ led-failsafe = &led_failsafe;
++ led-running = &led_running;
++ led-upgrade = &led_upgrade;
+ };
+
+ gpio-keys {
+@@ -123,22 +127,22 @@
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_leds_ixora>;
+
+- led4-green {
++ led_running: led4-green {
+ label = "LED_4_GREEN";
+ gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
+ };
+
+- led4-red {
++ led_upgrade: led4-red {
+ label = "LED_4_RED";
+ gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
+ };
+
+- led5-green {
++ led_boot: led5-green {
+ label = "LED_5_GREEN";
+ gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
+ };
+
+- led5-red {
++ led_failsafe: led5-red {
+ label = "LED_5_RED";
+ gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
+ };
+--- a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
++++ b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
+@@ -61,6 +61,10 @@
+ i2c2 = &i2c2;
+ rtc0 = &rtc_i2c;
+ rtc1 = &snvs_rtc;
++ led-boot = &led_boot;
++ led-failsafe = &led_failsafe;
++ led-running = &led_running;
++ led-upgrade = &led_upgrade;
+ };
+
+ gpio-keys {
+@@ -124,22 +128,22 @@
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_leds_ixora>;
+
+- led4-green {
++ led_running: led4-green {
+ label = "LED_4_GREEN";
+- gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
++ gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
+ };
+
+- led4-red {
++ led_upgrade: led4-red {
+ label = "LED_4_RED";
+- gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>;
++ gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
+ };
+
+- led5-green {
++ led_boot: led5-green {
+ label = "LED_5_GREEN";
+ gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
+ };
+
+- led5-red {
++ led_failsafe: led5-red {
+ label = "LED_5_RED";
+ gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
+ };
diff --git a/target/linux/imx6/patches-4.19/302-apalis-ixora-dts-reset-button.patch b/target/linux/imx6/patches-4.19/302-apalis-ixora-dts-reset-button.patch
new file mode 100644
index 0000000..ede872f
--- /dev/null
+++ b/target/linux/imx6/patches-4.19/302-apalis-ixora-dts-reset-button.patch
@@ -0,0 +1,76 @@
+arm: dts: apalis-ixora: Add switch3 as reset button
+
+Signed-off-by: Petr Štetiar <ynezz at true.cz>
+
+--- a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
++++ b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.1.dts
+@@ -70,7 +70,7 @@
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+- pinctrl-0 = <&pinctrl_gpio_keys>;
++ pinctrl-0 = <&pinctrl_gpio_keys &pinctrl_switch3_ixora>;
+
+ wakeup {
+ label = "Wake-Up";
+@@ -79,6 +79,13 @@
+ debounce-interval = <10>;
+ wakeup-source;
+ };
++
++ reset {
++ label = "reset";
++ gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
++ linux,code = <KEY_RESTART>;
++ debounce-interval = <10>;
++ };
+ };
+
+ lcd_display: display at di0 {
+@@ -292,4 +299,10 @@
+ MX6QDL_PAD_NANDF_D2__GPIO2_IO02 0x1b0b0
+ >;
+ };
++
++ pinctrl_switch3_ixora: switch3ixora {
++ fsl,pins = <
++ MX6QDL_PAD_SD1_DAT0__GPIO1_IO16 0x1b0b0
++ >;
++ };
+ };
+--- a/arch/arm/boot/dts/imx6q-apalis-ixora.dts
++++ b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
+@@ -69,7 +69,7 @@
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+- pinctrl-0 = <&pinctrl_gpio_keys>;
++ pinctrl-0 = <&pinctrl_gpio_keys &pinctrl_switch3_ixora>;
+
+ wakeup {
+ label = "Wake-Up";
+@@ -78,6 +78,13 @@
+ debounce-interval = <10>;
+ wakeup-source;
+ };
++
++ reset {
++ label = "reset";
++ gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
++ linux,code = <KEY_RESTART>;
++ debounce-interval = <10>;
++ };
+ };
+
+ lcd_display: display at di0 {
+@@ -293,4 +300,10 @@
+ MX6QDL_PAD_NANDF_D2__GPIO2_IO02 0x1b0b0
+ >;
+ };
++
++ pinctrl_switch3_ixora: switch3ixora {
++ fsl,pins = <
++ MX6QDL_PAD_SD1_DAT0__GPIO1_IO16 0x1b0b0
++ >;
++ };
+ };
--
1.9.1
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