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Update brcm2708 to latest 4.14 patches

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Ycarus 2018-07-04 16:16:41 +02:00
parent 40a0ec34d5
commit 30b61b0138
7 changed files with 419 additions and 0 deletions
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root/target/linux/brcm2708/patches-4.14/0349-overlays-Add-gpio-no-irq-overlay.patch Normal file
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@ -0,0 +1,70 @@
From 3b01f059d2ef9e48aca5174fc7f3b5c40fe2488c Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 19 Jun 2018 15:04:45 +0100
Subject: [PATCH 349/374] overlays: Add gpio-no-irq overlay
An overlay to disable all GPIO interrupts.
See: https://github.com/raspberrypi/linux/issues/2550
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/overlays/Makefile | 1 +
arch/arm/boot/dts/overlays/README | 7 +++++++
arch/arm/boot/dts/overlays/gpio-no-irq-overlay.dts | 14 ++++++++++++++
3 files changed, 22 insertions(+)
create mode 100644 arch/arm/boot/dts/overlays/gpio-no-irq-overlay.dts
diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
index a22141d24850..d9439370d7ed 100644
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -35,6 +35,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
gpio-ir.dtbo \
gpio-ir-tx.dtbo \
gpio-key.dtbo \
+ gpio-no-irq.dtbo \
gpio-poweroff.dtbo \
gpio-shutdown.dtbo \
hifiberry-amp.dtbo \
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index a9e56efd6532..61bfe29cfb8f 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -583,6 +583,13 @@ Params: gpio GPIO pin to trigger on (default 3)
keycode Set the key code for the button
+Name: gpio-no-irq
+Info: Use this overlay to disable all GPIO interrupts, which can be useful
+ for user-space GPIO edge detection systems.
+Load: dtoverlay=gpio-no-irq
+Params: <None>
+
+
Name: gpio-poweroff
Info: Drives a GPIO high or low on poweroff (including halt). Enabling this
overlay will prevent the ability to boot by driving GPIO3 low.
diff --git a/arch/arm/boot/dts/overlays/gpio-no-irq-overlay.dts b/arch/arm/boot/dts/overlays/gpio-no-irq-overlay.dts
new file mode 100644
index 000000000000..55f9bff3a8f6
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/gpio-no-irq-overlay.dts
@@ -0,0 +1,14 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "brcm,bcm2835";
+
+ fragment@0 {
+ // Configure the gpio pin controller
+ target = <&gpio>;
+ __overlay__ {
+ interrupts;
+ };
+ };
+};
--
2.16.1