From 888366fa17841ac1feb00c693e6956a5abfecb93 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Tue, 28 Oct 2014 22:41:29 +0100 Subject: [PATCH] ARM: sun9i: optimus: Set UART0 muxing Enable the UART0 muxing, as set up by the bootloader. Signed-off-by: Maxime Ripard Acked-by: Linus Walleij --- arch/arm/boot/dts/sun9i-a80-optimus.dts | 2 ++ arch/arm/boot/dts/sun9i-a80.dtsi | 7 +++++++ 2 files changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts index 3a70fdf..5d9bc80 100644 --- a/arch/arm/boot/dts/sun9i-a80-optimus.dts +++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts @@ -60,6 +60,8 @@ soc { uart0: serial@07000000 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins_a>; status = "okay"; }; }; diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi index fe9832a..da680cf 100644 --- a/arch/arm/boot/dts/sun9i-a80.dtsi +++ b/arch/arm/boot/dts/sun9i-a80.dtsi @@ -351,6 +351,13 @@ #interrupt-cells = <2>; #size-cells = <0>; #gpio-cells = <3>; + + uart0_pins_a: uart0@0 { + allwinner,pins = "PH12", "PH13"; + allwinner,function = "uart0"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; }; uart0: serial@07000000 { -- 2.7.4