brcm2708: update to latest patches from RPi foundation

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0781-overlays-dht11-Allow-multiple-instantiation.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0781-overlays-dht11-Allow-multiple-instantiation.patch b/target/linux/brcm2708/patches-4.19/950-0781-overlays-dht11-Allow-multiple-instantiation.patch
new file mode 100644 (file)
index 0000000..5eed1ba
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0781-overlays-dht11-Allow-multiple-instantiation.patch
@@ -0,0 +1,34 @@
+From 26e95c876831692f28894041c5a1db5934715939 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Wed, 18 Dec 2019 10:41:33 +0000
+Subject: [PATCH] overlays: dht11: Allow multiple instantiation
+
+Add addresses to the dht11 and dht11_pins nodes to allow unique names
+to be generated by assigning to the "reg" property.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/overlays/dht11-overlay.dts | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+--- a/arch/arm/boot/dts/overlays/dht11-overlay.dts
++++ b/arch/arm/boot/dts/overlays/dht11-overlay.dts
+@@ -24,7 +24,7 @@
+       fragment@1 {
+               target = <&gpio>;
+               __overlay__ {
+-                      dht11_pins: dht11_pins {
++                      dht11_pins: dht11_pins@0 {
+                               brcm,pins = <4>;
+                               brcm,function = <0>; // in
+                               brcm,pull = <0>; // off
+@@ -34,6 +34,8 @@
+ 
+       __overrides__ {
+               gpiopin = <&dht11_pins>,"brcm,pins:0",
+-                      <&dht11>,"gpios:4";
++                      <&dht11_pins>, "reg:0",
++                      <&dht11>,"gpios:4",
++                      <&dht11>,"reg:0";
+       };
+ };