From patchwork Tue Apr 23 17:26:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Pablo_Sebasti=C3=A1n_Greco?= X-Patchwork-Id: 10913607 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 66D5E1515 for ; Tue, 23 Apr 2019 17:27:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4AF66288D2 for ; Tue, 23 Apr 2019 17:27:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3BE5B288EE; Tue, 23 Apr 2019 17:27:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id BF96C288D2 for ; Tue, 23 Apr 2019 17:27:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=9+02Pq10j/Iu/qSaDu7Q/PGki1oGRrFrswnua2lipI4=; b=YVdP8Jo0KHXrm75FExxmxo7Us5 43o5I/O51fguuF3ggQ+X/IBblgwne0QsymLXHRwaR55njdtSCBmBANleovHTsYDb7JJiMXhCjiDZ6 BbP8HnBuAjaByIjLsjD3Fl+IoO6R9rPf00sNon40AMyF7ymj6JMOiAuQrOd0/eZiMerEnpQ8Rrwf5 lhdo+79C95TN5TBKPbFx4u9D32TRDb13IsCYIxmIEMTdTrhADqOmnBufXidNR6u+15SkEE6q9E55D KB6eyAcGC3mL1UudeaS7roaTGtDoespjmjjHz0GRR9O/d4BkojMrmI1vQExnagApXdVdlmfN9dOBW jX3zrZgw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hIzCz-00006d-CT; Tue, 23 Apr 2019 17:27:53 +0000 Received: from mail2.sp2max.com.br ([138.185.4.9]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hIzBa-0007Pj-4R for linux-arm-kernel@lists.infradead.org; Tue, 23 Apr 2019 17:26:29 +0000 Received: from pgsop.sopnet.com.ar (unknown [179.40.38.12]) (Authenticated sender: pablo@fliagreco.com.ar) by mail2.sp2max.com.br (Postfix) with ESMTPA id D33797B3072; Tue, 23 Apr 2019 14:26:20 -0300 (-03) From: Pablo Greco To: linux-sunxi@googlegroups.com Subject: [PATCH v5 7/7] ARM: dts: sun8i: v40: bananapi-m2-berry: Add Bluetooth device node Date: Tue, 23 Apr 2019 14:26:04 -0300 Message-Id: <1556040365-10913-8-git-send-email-pgreco@centosproject.org> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1556040365-10913-1-git-send-email-pgreco@centosproject.org> References: <1556040365-10913-1-git-send-email-pgreco@centosproject.org> X-SP2Max-MailScanner-Information: Please contact the ISP for more information X-SP2Max-MailScanner-ID: D33797B3072.A1D00 X-SP2Max-MailScanner: Sem Virus encontrado X-SP2Max-MailScanner-SpamCheck: nao spam, SpamAssassin (not cached, escore=-2.9, requerido 6, autolearn=not spam, ALL_TRUSTED -1.00, BAYES_00 -1.90) X-SP2Max-MailScanner-From: pgreco@centosproject.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190423_102626_872910_7C195A50 X-CRM114-Status: GOOD ( 15.65 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Maxime Ripard , Pablo Greco , linux-kernel@vger.kernel.org, Chen-Yu Tsai , Rob Herring , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The AP6212 is based on the Broadcom BCM43430 or BCM43438. The WiFi side identifies as BCM43430, while the Bluetooth side identifies as BCM43438. The Bluetooth side is connected to UART3 in a 4 wire configuration. Same as the WiFi side, due to being the same chip and package, DLDO1 and DLDO2 regulator outputs from the PMIC provide overall power via VBAT and I/O power via VDDIO. The CLK_OUT_A clock output from the SoC provides the LPO low power clock at 32.768 kHz. This patch enables Bluetooth on this board, and also adds the missing LPO clock on the WiFi side. There is also a PCM connection for Bluetooth, but this is not covered here. The LPO clock is fed from CLK_OUT_A, which needs to be muxed on pin PI12. This can be represented in multiple ways. This patch puts the pinctrl property in the pin controller node. This is due to limitations in Linux, where pinmux settings, even the same one, can not be shared by multiple devices. Thus we cannot put it in both the WiFi and Bluetooth device nodes. Putting it the CCU node is another option, but Linux's CCU driver does not handle pinctrl. Also the pin controller is guaranteed to be initialized after the CCU, when clocks are available. And any other devices that use muxed pins are guaranteed to be initialized after the pin controller. Thus having the CLK_OUT_A pinmux reference be in the pin controller node is a good choice without having to deal with implementation issues. Signed-off-by: Pablo Greco --- arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts b/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts index c87f2c0..15c22b0 100644 --- a/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts +++ b/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts @@ -96,6 +96,8 @@ wifi_pwrseq: wifi_pwrseq { compatible = "mmc-pwrseq-simple"; reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 WIFI_EN */ + clocks = <&ccu CLK_OUTA>; + clock-names = "ext_clock"; }; }; @@ -173,6 +175,7 @@ &pio { pinctrl-names = "default"; + pinctrl-0 = <&clk_out_a_pin>; vcc-pa-supply = <®_aldo2>; vcc-pc-supply = <®_dcdc1>; vcc-pd-supply = <®_dcdc1>; @@ -277,6 +280,25 @@ status = "okay"; }; +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&uart3_pg_pins>, <&uart3_rts_cts_pg_pins>; + uart-has-rtscts; + status = "okay"; + + bluetooth { + compatible = "brcm,bcm43438-bt"; + clocks = <&ccu CLK_OUTA>; + clock-names = "lpo"; + vbat-supply = <®_dldo2>; + vddio-supply = <®_dldo1>; + device-wakeup-gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */ + /* TODO host wake line connected to PMIC GPIO pins */ + shutdown-gpios = <&pio 7 12 GPIO_ACTIVE_HIGH>; /* PH12 */ + max-speed = <1500000>; + }; +}; + &usbphy { usb1_vbus-supply = <®_vcc5v0>; status = "okay";