brcm2708: update to latest patches from RPi Foundation

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0190-BCM2708_DT-update-firmware-node-binding.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0190-BCM2708_DT-update-firmware-node-binding.patch b/target/linux/brcm2708/patches-4.19/950-0190-BCM2708_DT-update-firmware-node-binding.patch
new file mode 100644 (file)
index 0000000..b55e89f
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0190-BCM2708_DT-update-firmware-node-binding.patch
@@ -0,0 +1,27 @@
+From e07c078b68e1776fa10818a1586c23a98a21ebdd Mon Sep 17 00:00:00 2001
+From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
+Date: Wed, 28 Nov 2018 10:36:01 +0100
+Subject: [PATCH] BCM2708_DT: update firmware node binding
+
+The upstreamed version of the firmware node has been updated to present
+it as a "simple-bus". We need to get this in order to accomodate other
+device bindings, namely RPi's firmware based gpio expander.
+
+Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
+---
+ arch/arm/boot/dts/bcm2708-rpi.dtsi | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+--- a/arch/arm/boot/dts/bcm2708-rpi.dtsi
++++ b/arch/arm/boot/dts/bcm2708-rpi.dtsi
+@@ -50,7 +50,9 @@
+               };
+ 
+               firmware: firmware {
+-                      compatible = "raspberrypi,bcm2835-firmware";
++                      compatible = "raspberrypi,bcm2835-firmware", "simple-bus";
++                      #address-cells = <0>;
++                      #size-cells = <0>;
+                       mboxes = <&mailbox>;
+               };
+