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Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0137-BCM2708_DT-Use-upstreamed-GPIO-expander-driver.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0137-BCM2708_DT-Use-upstreamed-GPIO-expander-driver.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0137-BCM2708_DT-Use-upstreamed-GPIO-expander-driver.patch b/target/linux/brcm2708/patches-4.19/950-0137-BCM2708_DT-Use-upstreamed-GPIO-expander-driver.patch
new file mode 100644
index 0000000000..3fcd3d9344
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0137-BCM2708_DT-Use-upstreamed-GPIO-expander-driver.patch
@@ -0,0 +1,50 @@
+From b44b364b2762579776addb7371f71b77fce62eb8 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Mon, 8 Oct 2018 12:20:36 +0100
+Subject: [PATCH] BCM2708_DT: Use upstreamed GPIO expander driver
+
+The upstreamed driver for the GPIO expander has a different compatible
+string. Change the relevant Device Tree files to match.
+
+See: https://github.com/raspberrypi/linux/issues/2704
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts | 2 +-
+ arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 2 +-
+ arch/arm/boot/dts/bcm2710-rpi-cm3.dts | 2 +-
+ 3 files changed, 3 insertions(+), 3 deletions(-)
+
+--- a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
++++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
+@@ -84,7 +84,7 @@
+
+ &soc {
+ expgpio: expgpio {
+- compatible = "brcm,bcm2835-expgpio";
++ compatible = "raspberrypi,firmware-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+ firmware = <&firmware>;
+--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
++++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+@@ -92,7 +92,7 @@
+ };
+
+ expgpio: expgpio {
+- compatible = "brcm,bcm2835-expgpio";
++ compatible = "raspberrypi,firmware-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+ firmware = <&firmware>;
+--- a/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
++++ b/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
+@@ -52,7 +52,7 @@
+ };
+
+ expgpio: expgpio {
+- compatible = "brcm,bcm2835-expgpio";
++ compatible = "raspberrypi,firmware-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+ firmware = <&firmware>;