Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752949AbdLVGGl (ORCPT ); Fri, 22 Dec 2017 01:06:41 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:22727 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751077AbdLVGGj (ORCPT ); Fri, 22 Dec 2017 01:06:39 -0500 X-UUID: 9e0bbbe59dba48978ebeeebd2c00b115-20171222 From: To: , , , , CC: , , Sean Wang Subject: [PATCH] arm: dts: mt7623: enable all four available UARTs on bananapi-r2 Date: Fri, 22 Dec 2017 14:06:33 +0800 Message-ID: X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1704 Lines: 68 From: Sean Wang On bpi-r2 board, totally there're four uarts which we usually called uart[0-3] helpful to extend slow I/O devices. Among those ones, uart2 has dedicated pin slot which is used to conolse log. uart[0-1] appear at the 40-pins connector and uart3 has no pinout, but just has test points (TP47 for TX and TP48 for RX, respectively) nearby uart2. Also, some missing pinctrl is being complemented for those devices. Signed-off-by: Sean Wang --- arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts index 7bf5aa2..64bf5db 100644 --- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts +++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts @@ -409,6 +409,20 @@ ; }; }; + + uart2_pins_a: uart@2 { + pins_dat { + pinmux = , + ; + }; + }; + + uart3_pins_a: uart@3 { + pins_dat { + pinmux = , + ; + }; + }; }; &pwm { @@ -454,16 +468,24 @@ &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pins_a>; - status = "disabled"; + status = "okay"; }; &uart1 { pinctrl-names = "default"; pinctrl-0 = <&uart1_pins_a>; - status = "disabled"; + status = "okay"; }; &uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins_a>; + status = "okay"; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pins_a>; status = "okay"; }; -- 2.7.4