With board revision 1.3, SolidRun moved the power LED to the middle of
the board. In old place of power LED a GPIO controllable heartbeat LED
was added. This commit touches only Single Shot variant, because all
have revision 1.3. Some boards could be placed in an enclosure, therefore
the LED0 is enabled by default, since that'll be the only visible
indicator that the board is operating.

Ref: 
http://wiki.macchiatobin.net/tiki-index.php?page=Schematics#Revision1.3_Electrical_Design_Changes
Ref: http://macchiatobin.net/wp-content/uploads/2017/11/MACCHIATOBin-rev-1_3.pdf

Reported-by: Alexandra Alth <alexan...@alth.de>
Signed-off-by: Tomasz Maciej Nowak <tmn...@gmail.com>
---
 target/linux/mvebu/image/cortexa72.mk         |  2 +-
 ...s-mcbin-singleshot-add-heartbeat-LED.patch | 59 +++++++++++++++++++
 2 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 
target/linux/mvebu/patches-5.4/100-arm64-dts-mcbin-singleshot-add-heartbeat-LED.patch

diff --git a/target/linux/mvebu/image/cortexa72.mk 
b/target/linux/mvebu/image/cortexa72.mk
index 1440c07a0b5f..8bd4581766c2 100644
--- a/target/linux/mvebu/image/cortexa72.mk
+++ b/target/linux/mvebu/image/cortexa72.mk
@@ -38,7 +38,7 @@ define Device/marvell_macchiatobin-singleshot
   DEVICE_ALT0_VENDOR := SolidRun
   DEVICE_ALT0_MODEL := Armada 8040 Community Board
   DEVICE_ALT0_VARIANT := Single Shot
-  DEVICE_PACKAGES += kmod-i2c-mux-pca954x
+  DEVICE_PACKAGES += kmod-i2c-mux-pca954x kmod-ledtrig-heartbeat
   DEVICE_DTS := armada-8040-mcbin-singleshot
   SUPPORTED_DEVICES := marvell,armada8040-mcbin-singleshot
 endef
diff --git 
a/target/linux/mvebu/patches-5.4/100-arm64-dts-mcbin-singleshot-add-heartbeat-LED.patch
 
b/target/linux/mvebu/patches-5.4/100-arm64-dts-mcbin-singleshot-add-heartbeat-LED.patch
new file mode 100644
index 000000000000..a5f37461360b
--- /dev/null
+++ 
b/target/linux/mvebu/patches-5.4/100-arm64-dts-mcbin-singleshot-add-heartbeat-LED.patch
@@ -0,0 +1,59 @@
+From 310b7883b64993da355ad5cc3e45f515ac2bef2f Mon Sep 17 00:00:00 2001
+From: Tomasz Maciej Nowak <tmn...@gmail.com>
+Date: Sat, 17 Oct 2020 16:53:20 +0200
+Subject: [PATCH] arm64: dts: mcbin-singleshot: add heartbeat LED
+
+With board revision 1.3, SolidRun moved the power LED to the middle of
+the board. In old place of power LED a GPIO controllable heartbeat LED
+was added. This commit only touches Single Shot variant, since only this
+variant is all revision 1.3.
+
+Reported-by: Alexandra Alth <alexan...@alth.de>
+Signed-off-by: Tomasz Maciej Nowak <tmn...@gmail.com>
+---
+ .../marvell/armada-8040-mcbin-singleshot.dts  | 22 +++++++++++++++++++
+ 1 file changed, 22 insertions(+)
+
+--- a/arch/arm64/boot/dts/marvell/armada-8040-mcbin-singleshot.dts
++++ b/arch/arm64/boot/dts/marvell/armada-8040-mcbin-singleshot.dts
+@@ -5,6 +5,8 @@
+  * Device Tree file for MACCHIATOBin Armada 8040 community board platform
+  */
+ 
++#include <dt-bindings/leds/common.h>
++
+ #include "armada-8040-mcbin.dtsi"
+ 
+ / {
+@@ -12,6 +14,20 @@
+       compatible = "marvell,armada8040-mcbin-singleshot",
+                       "marvell,armada8040-mcbin", "marvell,armada8040",
+                       "marvell,armada-ap806-quad", "marvell,armada-ap806";
++
++      leds {
++              compatible = "gpio-leds";
++              pinctrl-0 = <&cp0_led18_pins>;
++              pinctrl-names = "default";
++
++              led18 {
++                      gpios = <&cp0_gpio2 1 GPIO_ACTIVE_LOW>;
++                      function = LED_FUNCTION_HEARTBEAT;
++                      color = <LED_COLOR_ID_GREEN>;
++                      linux,default-trigger = "heartbeat";
++                      default-state = "on";
++              };
++      };
+ };
+ 
+ &cp0_eth0 {
+@@ -27,3 +43,10 @@
+       managed = "in-band-status";
+       sfp = <&sfp_eth1>;
+ };
++
++&cp0_pinctrl {
++      cp0_led18_pins: led18-pins {
++              marvell,pins = "mpp33";
++              marvell,function = "gpio";
++      };
++};
-- 
2.29.2


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