From patchwork Wed Oct 9 11:14:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Janaki Ramaiah Thota X-Patchwork-Id: 834259 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A608D1917D7; Wed, 9 Oct 2024 11:14:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728472500; cv=none; b=ZnISxZDNNktbeQSdTJRMZIPmzjQfJ5FOLDOpcGIOObCPLsyqA4/vOPZu5SwPSfGZ+2gUSFJv2yucYPp8wvZHAFAeQ4OLFsXePeOnsdaRxTGsyZwjfen6UELDms0wsFwdZL7+sZIacVoZNtbM49xqeIb3GYMXWmd9f0FxuVmC55E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728472500; c=relaxed/simple; bh=kgAvW/CLBWLxXmvhJX3rMwSSzXa842atliTAUOE1ceM=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=Wle+K82A3rXqCLcdc02KL9B2e3ql4dENpyyp4WM9e7mMAZLdRJdohYe5ToR8D8WP0/PtVfAD3nLMBQ6DoxnsQY2Ge7CPqEZ0yRKdoFP7Hij+/El3C+rhWwgRQl1HA2nRl6mdoLCSlhvnxeFSz50s1UIpHfJ73crHCByl0rhm1Hw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=nWXwkf+F; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="nWXwkf+F" Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 499AcDor022770; Wed, 9 Oct 2024 11:14:55 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-type:date:from:message-id:mime-version:subject:to; s= qcppdkim1; bh=Sf0jVKd1o7kkQ+VgjQnZltXU/KppNrzofqKlTjJf91E=; b=nW Xwkf+FzzB8y8waWOMv1QUfoeVQO37JjgsWLgaspWgkgJxD4+6c/c0Qp7wHD/JqZl r54677EvQEZVWHgGDCxnKPWxcoQryRxrPO5ZjVTQx8qOW+Y091WVBHg2SCdwQY6x jZZH2dai8a1nvD5V5BO3cHsk7IpgFMfItNweJkjgQnlMKHqkYGnRDvLG6DmaA05s f4fXQBU+sDmgHLRr5N8eY3b3oPzTnWauOJEMkntquSmIa7o1FIwp6n635k83Qq/9 g//M2dfkNARx/Z80+EPF/ADd2g2C1DBOYODr+9l1JfG4zEqH620BEaLr08WOs7zW EfwLmRtG3rtKi3zg5ifA== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 424x7rvh9v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 09 Oct 2024 11:14:55 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 499BEsUp028665 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 9 Oct 2024 11:14:54 GMT Received: from hu-janathot-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 9 Oct 2024 04:14:51 -0700 From: Janaki Ramaiah Thota To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: , , , , Subject: [PATCH v1] arm64: dts: qcom: qcm6490-rb3gen2: enable Bluetooth Date: Wed, 9 Oct 2024 16:44:36 +0530 Message-ID: <20241009111436.23473-1-quic_janathot@quicinc.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 8C5mrX6dAN2meqXqPMKVp7jHWBsYjnAn X-Proofpoint-ORIG-GUID: 8C5mrX6dAN2meqXqPMKVp7jHWBsYjnAn X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 phishscore=0 mlxlogscore=859 spamscore=0 clxscore=1011 malwarescore=0 lowpriorityscore=0 priorityscore=1501 mlxscore=0 adultscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410090073 Add Bluetooth and UART7 support for qcs6490-rb3gen2. Signed-off-by: Janaki Ramaiah Thota --- arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 120 +++++++++++++++++++ 1 file changed, 120 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts index 0d45662b8028..a5da7657e47e 100644 --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts @@ -32,6 +32,8 @@ aliases { serial0 = &uart5; + bluetooth0 = &bluetooth; + serial1 = &uart7; }; chosen { @@ -688,6 +690,39 @@ status = "okay"; }; +&qup_uart7_cts { + /* + * Configure a bias-bus-hold on CTS to lower power + * usage when Bluetooth is turned off. Bus hold will + * maintain a low power state regardless of whether + * the Bluetooth module drives the pin in either + * direction or leaves the pin fully unpowered. + */ + bias-bus-hold; +}; + +&qup_uart7_rts { + /* We'll drive RTS, so no pull */ + drive-strength = <2>; + bias-disable; +}; + +&qup_uart7_rx { + /* + * Configure a pull-up on RX. This is needed to avoid + * garbage data when the TX pin of the Bluetooth module is + * in tri-state (module powered off or not driving the + * signal yet). + */ + bias-pull-up; +}; + +&qup_uart7_tx { + /* We'll drive TX, so no pull */ + drive-strength = <2>; + bias-disable; +}; + &qupv3_id_0 { status = "okay"; }; @@ -719,12 +754,97 @@ &tlmm { gpio-reserved-ranges = <32 2>, /* ADSP */ <48 4>; /* NFC */ + bt_en: bt-en-state { + pins = "gpio85"; + function = "gpio"; + output-low; + bias-disable; + }; + + qup_uart7_sleep_cts: qup-uart7-sleep-cts-state { + pins = "gpio28"; + function = "gpio"; + /* + * Configure a bias-bus-hold on CTS to lower power + * usage when Bluetooth is turned off. Bus hold will + * maintain a low power state regardless of whether + * the Bluetooth module drives the pin in either + * direction or leaves the pin fully unpowered. + */ + bias-bus-hold; + }; + + qup_uart7_sleep_rts: qup-uart7-sleep-rts-state { + pins = "gpio29"; + function = "gpio"; + /* + * Configure pull-down on RTS. As RTS is active low + * signal, pull it low to indicate the BT SoC that it + * can wakeup the system anytime from suspend state by + * pulling RX low (by sending wakeup bytes). + */ + bias-pull-down; + }; + + qup_uart7_sleep_rx: qup-uart7-sleep-rx-state { + pins = "gpio31"; + function = "gpio"; + /* + * Configure a pull-up on RX. This is needed to avoid + * garbage data when the TX pin of the Bluetooth module + * is floating which may cause spurious wakeups. + */ + bias-pull-up; + }; + + qup_uart7_sleep_tx: qup-uart7-sleep-tx-state { + pins = "gpio30"; + function = "gpio"; + /* + * Configure pull-up on TX when it isn't actively driven + * to prevent BT SoC from receiving garbage during sleep. + */ + bias-pull-up; + }; + + sw_ctrl: sw-ctrl-state { + pins = "gpio86"; + function = "gpio"; + bias-pull-down; + }; }; &uart5 { status = "okay"; }; +&uart7 { + status = "okay"; + /delete-property/interrupts; + interrupts-extended = <&intc GIC_SPI 608 IRQ_TYPE_LEVEL_HIGH>, + <&tlmm 31 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default", "sleep"; + pinctrl-1 = <&qup_uart7_sleep_cts>, <&qup_uart7_sleep_rts>, + <&qup_uart7_sleep_tx>, <&qup_uart7_sleep_rx>; + + bluetooth: bluetooth { + compatible = "qcom,wcn6750-bt"; + pinctrl-names = "default"; + pinctrl-0 = <&bt_en>, <&sw_ctrl>; + enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>; + swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>; + vddaon-supply = <&vreg_s7b_0p972>; + vddbtcxmx-supply = <&vreg_s7b_0p972>; + vddrfacmn-supply = <&vreg_s7b_0p972>; + vddrfa0p8-supply = <&vreg_s7b_0p972>; + vddrfa1p7-supply = <&vreg_s1b_1p872>; + vddrfa1p2-supply = <&vreg_s8b_1p272>; + vddrfa2p2-supply = <&vreg_s1c_2p19>; + vddasd-supply = <&vreg_l11c_2p8>; + max-speed = <3200000>; + }; +}; + &usb_1 { status = "okay"; };