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: 3502271 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 78051C02DC for ; Fri, 17 Jan 2014 07:20:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A091620170 for ; Fri, 17 Jan 2014 07:20:21 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 94D9F20165 for ; Fri, 17 Jan 2014 07:20:20 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W43FR-0002ev-EF; Fri, 17 Jan 2014 06:49:46 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W43El-000083-Ia; Fri, 17 Jan 2014 06:49:03 +0000 Received: from smtp.csie.ntu.edu.tw ([140.112.30.61]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W43E7-0008TQ-Kp for linux-arm-kernel@lists.infradead.org; Fri, 17 Jan 2014 06:48:25 +0000 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" 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140117_014823_982150_CCDE616E X-CRM114-Status: UNSURE ( 7.87 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.2 (--) Cc: devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org, Chen-Yu Tsai , Maxime Ripard , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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>; + }; + }; };