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From 5c1a2df946720816c155ff38b01bcd49a0f44f78 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";
};
};
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