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mvebu: macchiatobin-singleshot: enable heartbeat LED

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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 LED18 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 <alexandra@alth.de>
Signed-off-by: Tomasz Maciej Nowak <tmn505@gmail.com>
This commit is contained in:
Tomasz Maciej Nowak 2020-12-18 15:46:21 +01:00 committed by Hauke Mehrtens
parent 736eee5cc6
commit 85caf21ade
2 changed files with 66 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
target/linux/mvebu/image/cortexa72.mk
View File

@ -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

65
target/linux/mvebu/patches-5.4/028-arm64-dts-mcbin-singleshot-add-heartbeat-LED.patch Normal file
View File

@ -0,0 +1,65 @@
From da57203dc7fd556fbb3f0ec7d7d7c0b0e893b386 Mon Sep 17 00:00:00 2001
From: Tomasz Maciej Nowak <tmn505@gmail.com>
Date: Tue, 10 Nov 2020 16:38:31 +0100
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.
Note:
This is slightly modified patch. Some boards could be placed in an
enclosure, so the LED18 is enabled by default, since that'll be the only
visible indicator that the board is operating.
Reported-by: Alexandra Alth <alexandra@alth.de>
Signed-off-by: Tomasz Maciej Nowak <tmn505@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.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";
+ };
+};