From patchwork Tue Jan 7 05:26:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rocky Liao X-Patchwork-Id: 190765 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4409C33C99 for ; Tue, 7 Jan 2020 05:27:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8ACD7207FD for ; Tue, 7 Jan 2020 05:27:32 +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="aVTZXkcd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726530AbgAGF13 (ORCPT ); Tue, 7 Jan 2020 00:27:29 -0500 Received: from mail26.static.mailgun.info ([104.130.122.26]:44496 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725267AbgAGF12 (ORCPT ); Tue, 7 Jan 2020 00:27:28 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1578374847; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=vgKhB3s7JYy/GZx22dlIXelC1zIwKoYUxSawh99Gnj0=; b=aVTZXkcdjr4r8n29bdgELM6c9zF0WCvPAdtguE+KjRGGrOAVMvfAdDwwRlKPJ9VLYgJDQoQH FPAS9keU8opY+aWjQKXDhLhyvHvohAmplzyavkq8pPoVm4augbAPh10yVASiemK4BN6k8zqE wjSbI4tB4fUhIepV+4QvE4DUxH4= X-Mailgun-Sending-Ip: 104.130.122.26 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 5e1416be.7f9253902c70-smtp-out-n02; Tue, 07 Jan 2020 05:27:26 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 9C23CC43383; Tue, 7 Jan 2020 05:27:25 +0000 (UTC) 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 07A65C433CB; Tue, 7 Jan 2020 05:27:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 07A65C433CB 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 v1] Bluetooth: hci_qca: Add qca_power_on() API to support both wcn399x and Rome power up Date: Tue, 7 Jan 2020 13:26:01 +0800 Message-Id: <20200107052601.32216-1-rjliao@codeaurora.org> X-Mailer: git-send-email 2.17.1 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 Reviewed-by: Matthias Kaehlcke --- 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;