From patchwork Tue Apr 15 06:41:41 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: 3989381 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8EB5D9F336 for ; Tue, 15 Apr 2014 06:45:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C9D052020F for ; Tue, 15 Apr 2014 06:45:13 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (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 BC405201FB for ; Tue, 15 Apr 2014 06:45:12 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WZx5J-000457-6f; Tue, 15 Apr 2014 06:43:09 +0000 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WZx4o-0003r4-FS for linux-arm-kernel@lists.infradead.org; Tue, 15 Apr 2014 06:42:39 +0000 Received: from wens by mirror2.csie.ntu.edu.tw with local (Exim 4.82) (envelope-from ) id 1WZx3u-0004je-5v; Tue, 15 Apr 2014 14:41:42 +0800 From: Chen-Yu Tsai To: Linus Walleij , Johannes Berg , "John W. Linville" , Maxime Ripard Subject: [PATCH 7/7] ARM: sun7i: cubietruck: enable bluetooth module Date: Tue, 15 Apr 2014 14:41:41 +0800 Message-Id: <1397544101-18135-8-git-send-email-wens@csie.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1397544101-18135-1-git-send-email-wens@csie.org> References: <1397544101-18135-1-git-send-email-wens@csie.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140414_234238_656757_79945B55 X-CRM114-Status: UNSURE ( 8.11 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.0 (-) Cc: Alexandre Courbot , Heikki Krogerus , Arnd Bergmann , Stephen Warren , devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-sunxi@googlegroups.com, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Chen-Yu Tsai , Mika Westerberg , 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=-2.6 required=5.0 tests=BAYES_00,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 requires a 32.768 KHz low power clock input for proper auto-detection of the main clock, and an enable signal via GPIO. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun7i-a20-cubietruck.dts | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts index cb25d3c..767c8e1 100644 --- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts +++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts @@ -61,6 +61,13 @@ allwinner,drive = <0>; allwinner,pull = <0>; }; + + bt_pwr_pin_cubietruck: bt_pwr_pin@0 { + allwinner,pins = "PH18"; + allwinner,function = "gpio_out"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; }; uart0: serial@01c28000 { @@ -69,6 +76,12 @@ status = "okay"; }; + uart2: serial@01c28800 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins_a>; + status = "okay"; + }; + i2c0: i2c@01c2ac00 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; @@ -139,4 +152,16 @@ reg_usb2_vbus: usb2-vbus { status = "okay"; }; + + rfkill_bt { + compatible = "rfkill-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&bt_pwr_pin_cubietruck>, <&clk_out_a_pins_a>; + clocks = <&clk_out_a>; + clock-frequency = <32768>; + gpios = <&pio 7 18 0>; /* PH18 */ + gpio-names = "reset"; + rfkill-name = "bt"; + rfkill-type = <2>; + }; };