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RPI kernel 4.19 support

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Ycarus 2019-04-22 17:10:09 +02:00
parent e79d4c1771
commit e253715ce5
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root/target/linux/brcm2708/patches-4.19/0176-overlays-Add-gpio-no-bank0-irq-overlay.patch Normal file
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@ -0,0 +1,70 @@
From c75e53df5680519576a825943e7be82a2dd1137d Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 18 Jul 2018 17:25:00 +0100
Subject: [PATCH 176/432] overlays: Add gpio-no-bank0-irq overlay
See: https://github.com/raspberrypi/linux/issues/2590
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/overlays/Makefile | 1 +
arch/arm/boot/dts/overlays/README | 9 +++++++++
.../dts/overlays/gpio-no-bank0-irq-overlay.dts | 14 ++++++++++++++
3 files changed, 24 insertions(+)
create mode 100755 arch/arm/boot/dts/overlays/gpio-no-bank0-irq-overlay.dts
diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
index 99338350fc51..bcfde487ea1a 100644
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -37,6 +37,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
gpio-ir.dtbo \
gpio-ir-tx.dtbo \
gpio-key.dtbo \
+ gpio-no-bank0-irq.dtbo \
gpio-no-irq.dtbo \
gpio-poweroff.dtbo \
gpio-shutdown.dtbo \
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index ab70c054ac15..fda97eb4c1dc 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -597,6 +597,15 @@ Params: gpio GPIO pin to trigger on (default 3)
keycode Set the key code for the button
+Name: gpio-no-bank0-irq
+Info: Use this overlay to disable GPIO interrupts for GPIOs in bank 0 (0-27),
+ which can be useful for UIO drivers.
+ N.B. Using this overlay will trigger a kernel WARN during booting, but
+ this can safely be ignored - the system should work as expected.
+Load: dtoverlay=gpio-no-bank0-irq
+Params: <None>
+
+
Name: gpio-no-irq
Info: Use this overlay to disable all GPIO interrupts, which can be useful
for user-space GPIO edge detection systems.
diff --git a/arch/arm/boot/dts/overlays/gpio-no-bank0-irq-overlay.dts b/arch/arm/boot/dts/overlays/gpio-no-bank0-irq-overlay.dts
new file mode 100755
index 000000000000..96cbe80820b7
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/gpio-no-bank0-irq-overlay.dts
@@ -0,0 +1,14 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "brcm,bcm2835";
+
+ fragment@0 {
+ // Configure the gpio pin controller
+ target = <&gpio>;
+ __overlay__ {
+ interrupts = <255 255>, <2 18>;
+ };
+ };
+};
--
2.19.1