openwrtv3/target/linux/brcm2708/patches-4.4/0171-Pi3-DT-Add-pull-ups-on-the-UART-RX-lines.patch

From e1fd7a9ccd89e291334d4a9d6b7d1f3040d7aad0 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 8 Mar 2016 16:18:57 +0000
Subject: [PATCH] Pi3 DT: Add pull-ups on the UART RX lines

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
 arch/arm/boot/dts/bcm2710-rpi-3-b.dts                  | 4 ++--
 arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
@@ -53,13 +53,13 @@
 	uart0_pins: uart0_pins {
 		brcm,pins = <32 33>;
 		brcm,function = <7>; /* alt3=UART0 */
-		brcm,pull = <0 0>;
+		brcm,pull = <0 2>;
 	};
 
 	uart1_pins: uart1_pins {
 		brcm,pins = <14 15>;
 		brcm,function = <2>; /* alt5=UART1 */
-		brcm,pull = <0 0>;
+		brcm,pull = <0 2>;
 	};
 };
 
--- a/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
+++ b/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
@@ -46,7 +46,7 @@
 			uart1_pins: uart1_pins {
 				brcm,pins = <32 33>;
 				brcm,function = <2>; /* alt5=UART1 */
-				brcm,pull = <0 0>;
+				brcm,pull = <0 2>;
 			};
 		};
 	};