From: hwg <hwg@rock-chips.com>
Date: Fri, 9 Jan 2015 07:23:50 +0000 (+0800)
Subject: rk312x UART0_SOUT UART0_SIN default pull down disable
X-Git-Tag: firefly_0821_release~4319^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1cf1e6fd429d87f6a181fabb4fa8659821ef1424;p=firefly-linux-kernel-4.4.55.git

rk312x UART0_SOUT UART0_SIN default pull down disable
 may case bt can't open problem
---

diff --git a/arch/arm/boot/dts/rk312x-pinctrl.dtsi b/arch/arm/boot/dts/rk312x-pinctrl.dtsi
index 55919bc00131..bea2fe80cedc 100755
--- a/arch/arm/boot/dts/rk312x-pinctrl.dtsi
+++ b/arch/arm/boot/dts/rk312x-pinctrl.dtsi
@@ -96,7 +96,7 @@
 			uart0_xfer: uart0-xfer {
 				rockchip,pins = <UART0_SIN>,
 						<UART0_SOUT>;
-				rockchip,pull = <VALUE_PULL_DEFAULT>;
+				rockchip,pull = <VALUE_PULL_UPDOWN_DISABLE>;
 				
 				
 			};