From patchwork Tue Jun 9 20:58:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 214914 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=-9.5 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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 76FC0C433E2 for ; Tue, 9 Jun 2020 20:59:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5431C20734 for ; Tue, 9 Jun 2020 20:59:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="A9f/f+iS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728077AbgFIU7Q (ORCPT ); Tue, 9 Jun 2020 16:59:16 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:57554 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727995AbgFIU7F (ORCPT ); Tue, 9 Jun 2020 16:59:05 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1591736344; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=nvsygZ4LQhN8dkUFS3Ep5pykx2rAOIm/lVHOLxwhF90=; b=A9f/f+iSCqKXZNclc7bCuVaSVztXYgxi3xpK0/kJkxfZqqwY8RCmYUIuffLuiux8JtqlIKCC DlOtBCxNz13f+H97xyNOTfxSp3/pB8SnlDLkBcDrBGWHWOqRxE22IFeK9ThqzXQ9sSARz1m9 +1WP+ZJkxP3isHRqJJU5a+FUBPk= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyIxZTE2YSIsICJsaW51eC11c2JAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n14.prod.us-west-2.postgun.com with SMTP id 5edff8126f2ee827dafad965 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 09 Jun 2020 20:58:58 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 8C515C4339C; Tue, 9 Jun 2020 20:58:58 +0000 (UTC) Received: from wcheng-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: wcheng) by smtp.codeaurora.org (Postfix) with ESMTPSA id 3E08AC43387; Tue, 9 Jun 2020 20:58:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 3E08AC43387 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=wcheng@codeaurora.org From: Wesley Cheng To: heikki.krogerus@linux.intel.com, gregkh@linuxfoundation.org, mark.rutland@arm.com, robh+dt@kernel.org, agross@kernel.org, bjorn.andersson@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, jackp@codeaurora.org, bryan.odonoghue@linaro.org, Wesley Cheng Subject: [PATCH 2/3] dt-bindings: usb: Add Qualcomm PMIC type C controller dt-binding Date: Tue, 9 Jun 2020 13:58:50 -0700 Message-Id: <20200609205851.30113-3-wcheng@codeaurora.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200609205851.30113-1-wcheng@codeaurora.org> References: <20200609205851.30113-1-wcheng@codeaurora.org> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Introduce the dt-binding for enabling USB type C orientation and role detection using the PM8150B. The driver will be responsible for receiving the interrupt at a state change on the CC lines, reading the orientation/role, and communicating this information to the remote clients, which can include a role switch node and a type C switch. Signed-off-by: Wesley Cheng --- .../devicetree/bindings/usb/qcom,pmic-typec.yaml | 118 +++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml diff --git a/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml new file mode 100644 index 0000000..34058fb --- /dev/null +++ b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml @@ -0,0 +1,118 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/usb/qcom,pmic-typec.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm PMIC based USB type C Detection Driver + +maintainers: + - Wesley Cheng + +description: | + Qualcomm PMIC Type C Detect + +properties: + compatible: + enum: + - qcom,pm8150b-usb-typec + + reg: + maxItems: 1 + description: Type C base address + + interrupts: + maxItems: 1 + description: CC change interrupt from PMIC + + connector: + description: Connector type for remote endpoints + type: object + + properties: + compatible: + enum: + - usb-c-connector + + power-role: + enum: + - dual + - source + - sink + + data-role: + enum: + - dual + - host + - device + + port: + description: Remote endpoint connections + type: object + + properties: + endpoint@0: + description: Connection to USB type C mux node + type: object + + properties: + remote-endpoint: + maxItems: 1 + description: Node reference to the type C mux + + endpoint@1: + description: Connection to role switch node + type: object + + properties: + remote-endpoint: + maxItems: 1 + description: Node reference to the role switch node + + required: + - compatible + +required: + - compatible + - interrupts + - connector + +additionalProperties: false + +examples: + - | + #include + pm8150b { + #address-cells = <1>; + #size-cells = <0>; + qcom,typec@1500 { + compatible = "qcom,pm8150b-usb-typec"; + reg = <0x1500>; + interrupts = + <0x2 0x15 0x5 IRQ_TYPE_EDGE_RISING>; + + connector { + compatible = "usb-c-connector"; + power-role = "dual"; + data-role = "dual"; + port { + #address-cells = <1>; + #size-cells = <0>; + usb3_data_ss: endpoint@0 { + reg = <0>; + remote-endpoint = + <&qmp_ss_mux>; + }; + + usb3_role: endpoint@1 { + + reg = <1>; + remote-endpoint = + <&dwc3_drd_switch>; + }; + }; + }; + }; + }; +... +