From patchwork Wed Jan 8 09:08:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rocky Liao X-Patchwork-Id: 11323099 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F0E62139A for ; Wed, 8 Jan 2020 09:08:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CECE82073A for ; Wed, 8 Jan 2020 09:08:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="h/kFLln8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726891AbgAHJIQ (ORCPT ); Wed, 8 Jan 2020 04:08:16 -0500 Received: from mail25.static.mailgun.info ([104.130.122.25]:28994 "EHLO mail25.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726921AbgAHJIQ (ORCPT ); Wed, 8 Jan 2020 04:08:16 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1578474495; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=IYgOyQID9FWtcNH2f8jj8HDLZy8aqYdaotmPOLn64AE=; b=h/kFLln8pHh2WOMpm1/XW6Pv+MLeeF/m3t6ITLFH8naxBZLWGNXdiALyLXSpgmKRsIw2robr /qXpo3ajX7kxZPKL2KiZ3i1SHoK7Viw1yTXxedH7aBIloWpJNhY9cG5oE8QlFnvICX8w/v1E sswEy8t4CI4reR+tcmpLvb1+mbw= X-Mailgun-Sending-Ip: 104.130.122.25 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e159bfe.7f9b9ec4a688-smtp-out-n03; Wed, 08 Jan 2020 09:08:14 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 21E11C4479C; Wed, 8 Jan 2020 09:08:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from rocky-Inspiron-7590.qca.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rjliao) by smtp.codeaurora.org (Postfix) with ESMTPSA id D1B0CC433CB; Wed, 8 Jan 2020 09:08:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org D1B0CC433CB Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=rjliao@codeaurora.org From: Rocky Liao To: marcel@holtmann.org, johan.hedberg@gmail.com Cc: mka@chromium.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-arm-msm@vger.kernel.org, Rocky Liao Subject: [PATCH v2 1/3] Bluetooth: hci_qca: Add qca_power_on() API to support both wcn399x and Rome power up Date: Wed, 8 Jan 2020 17:08:02 +0800 Message-Id: <20200108090804.22889-1-rjliao@codeaurora.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200107052601.32216-1-rjliao@codeaurora.org> References: <20200107052601.32216-1-rjliao@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch adds a unified API qca_power_on() to support both wcn399x and Rome power on. For wcn399x it calls the qca_wcn3990_init() to init the regulators, and for Rome it pulls up the bt_en GPIO to power up the btsoc. Signed-off-by: Rocky Liao --- Changes in v2: None drivers/bluetooth/hci_qca.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 9392cc7f9908..f6555bd1adbc 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1532,6 +1532,27 @@ static int qca_wcn3990_init(struct hci_uart *hu) return 0; } +static int qca_power_on(struct hci_dev *hdev) +{ + struct hci_uart *hu = hci_get_drvdata(hdev); + enum qca_btsoc_type soc_type = qca_soc_type(hu); + struct qca_serdev *qcadev; + int ret = 0; + + if (qca_is_wcn399x(soc_type)) { + ret = qca_wcn3990_init(hu); + } else { + if (hu->serdev) { + qcadev = serdev_device_get_drvdata(hu->serdev); + gpiod_set_value_cansleep(qcadev->bt_en, 1); + /* Controller needs time to bootup. */ + msleep(150); + } + } + + return ret; +} + static int qca_setup(struct hci_uart *hu) { struct hci_dev *hdev = hu->hdev;