From patchwork Fri Jan 17 06:47:31 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 311947 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id B7ED82C007E for ; Fri, 17 Jan 2014 17:48:30 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752147AbaAQGr7 (ORCPT ); Fri, 17 Jan 2014 01:47:59 -0500 Received: from smtp.csie.ntu.edu.tw ([140.112.30.61]:33749 "EHLO smtp.csie.ntu.edu.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751310AbaAQGrs (ORCPT ); Fri, 17 Jan 2014 01:47:48 -0500 Received: from mirror2.csie.ntu.edu.tw (mirror2.csie.ntu.edu.tw [140.112.30.76]) by smtp.csie.ntu.edu.tw (Postfix) with ESMTPSA id 6AC04205FC; Fri, 17 Jan 2014 14:47:35 +0800 (CST) Received: from wens by mirror2.csie.ntu.edu.tw with local (Exim 4.82) (envelope-from ) id 1W43DL-0008WR-CM; Fri, 17 Jan 2014 14:47:35 +0800 From: Chen-Yu Tsai To: Johannes Berg , "David S. Miller" Cc: Chen-Yu Tsai , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com, Maxime Ripard , linux-wireless@vger.kernel.org Subject: [PATCH RFC 6/6] ARM: sun7i: cubietruck: enable bluetooth module Date: Fri, 17 Jan 2014 14:47:31 +0800 Message-Id: <1389941251-32692-7-git-send-email-wens@csie.org> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1389941251-32692-1-git-send-email-wens@csie.org> References: <1389941251-32692-1-git-send-email-wens@csie.org> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The CubieTruck has an AMPAK AP6210 WiFi+Bluetooth module. The Bluetooth part is a BCM20710 device connected to UART2 in the A20 SoC. The IC also requires a 32.768 KHz low power clock input for proper auto-detection of the main clock, and power enable and wake signals via GPIO. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun7i-a20-cubietruck.dts | 37 ++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts index c8b3ea9..f172a8f 100644 --- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts +++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts @@ -78,6 +78,20 @@ allwinner,drive = <0>; allwinner,pull = <2>; }; + + bt_pwr_pin: bt_pwr_pin@0 { + allwinner,pins = "PH18"; + allwinner,function = "gpio_out"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; + + bt_wake_pin: bt_wake_pin@0 { + allwinner,pins = "PH24"; + allwinner,function = "gpio_out"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; }; uart0: serial@01c28000 { @@ -86,6 +100,12 @@ status = "okay"; }; + uart2: serial@01c28800 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins_a>; + status = "okay"; + }; + gmac: ethernet@01c50000 { pinctrl-names = "default"; pinctrl-0 = <&gmac_pins_rgmii>; @@ -157,4 +177,21 @@ gpio = <&pio 7 3 0>; }; }; + + rfkill-switches { + compatible = "simple-bus"; + pinctrl-names = "default"; + + rfkill_bt { + compatible = "rfkill-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&bt_pwr_pin>, <&clk_out_a_pins>; + rfkill-name = "bt"; + rfkill-type = <2>; + bt_shutdown-gpios = <0>, <&pio 7 18 0>; /* PH18 */ + bt_reset-gpios = <&pio 7 24 0>; /* PH24 */ + clocks = <&clk_out_a>; + clock-frequency = <32768>; + }; + }; };