From patchwork Sun Jan 31 15:18:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kyle Tso X-Patchwork-Id: 12057657 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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 A5850C433E0 for ; Sun, 31 Jan 2021 15:21:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 753A164E3A for ; Sun, 31 Jan 2021 15:21:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232749AbhAaPUz (ORCPT ); Sun, 31 Jan 2021 10:20:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232733AbhAaPU0 (ORCPT ); Sun, 31 Jan 2021 10:20:26 -0500 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5021C061786 for ; Sun, 31 Jan 2021 07:19:03 -0800 (PST) Received: by mail-yb1-xb4a.google.com with SMTP id u14so16776466ybu.9 for ; Sun, 31 Jan 2021 07:19:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=qX9TFL5pIpPoWo/HGV4oNiHmIMjUwG4ZE2jdefwiMwM=; b=Vx1zY9P0dVrqyzqgZihiLszelAOkrHjyxfxQb0oc+/C3oXuBNnj/SEuql3owDFdtbZ QALJqJoKeyHOp2A4ROFmXNTpIDa4L8jBczSeu9ansiAi848wFbNghIeP1mkJqLwe/Tg3 vfk7UQAGGcZtYgmHgt8QYcyM78RHgHFuUtMgQFmfnyquWl28C+XX8zfx+RZg3hkRibbe tIJVg2MUJEZd3EED3emkXVUNks1k20lWB2sVg45RiSnHcE6oKF+kDQlPgHZbbUPzgoa2 jMltXiwRuHlUGm+2xtxzrTnmPqEzPKdfYFYYHEdNrI3o2th1USzC4JFPA3DD6x3Se5g3 lARg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=qX9TFL5pIpPoWo/HGV4oNiHmIMjUwG4ZE2jdefwiMwM=; b=AWwWac9NqmF1d22doFinLFoD5PU0NzKwLwfPo9nF6thvkHdvNeBjR/tsEfcT39QR4K ezrNU6JGB6prrq+ZNcEwUyE1HwjZG9CF18g6psHHCbKvl/9xNjv/P4Pu7cSqVDoIA56r KgedKd559AE9uh7qCwYOwsAUaRXY0BDpRfm0gHuiySENGvAsaCnaApB+TbdCkLydx5T8 S3DPQgzhXXdSVJe+R9+XbwItATYe5ZaorVHLWSbk9D0awXBcGjWyocr+CQkjIGoKjrRs As2E3/IggWf6dnqdw83zn8vnjBuRe3Hpm7yXSDPiF74b4heRiTPwFKrSgvVCM/jC58wt TyOQ== X-Gm-Message-State: AOAM531yxF8gRV4Yn1nOBweFs11ZIfgJYd313f+7tyeTGj6Xsuvx82HS 49vazZukR9RomGhL4tOhvMnJTKdi+Q4R X-Google-Smtp-Source: ABdhPJxy5+HgOWndan89vJ1/6VTZBdccj8htulz6Yz9Qm18KBAi3QE2sCrryEzFAML+IDrauQtSS1ijoHOLI Sender: "kyletso via sendgmr" X-Received: from kyletso.ntc.corp.google.com ([2401:fa00:fc:202:5d70:9e45:7deb:72a7]) (user=kyletso job=sendgmr) by 2002:a25:ce8e:: with SMTP id x136mr19337619ybe.173.1612106342886; Sun, 31 Jan 2021 07:19:02 -0800 (PST) Date: Sun, 31 Jan 2021 23:18:31 +0800 In-Reply-To: <20210131151832.215931-1-kyletso@google.com> Message-Id: <20210131151832.215931-3-kyletso@google.com> Mime-Version: 1.0 References: <20210131151832.215931-1-kyletso@google.com> X-Mailer: git-send-email 2.30.0.365.g02bc693789-goog Subject: [PATCH v2 2/3] dt-bindings: connector: Add SVDM VDO properties From: Kyle Tso To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, gregkh@linuxfoundation.org, hdegoede@redhat.com, robh+dt@kernel.org Cc: badhri@google.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Kyle Tso Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add bindings of VDO properties of USB PD SVDM so that they can be used in device tree. Signed-off-by: Kyle Tso --- Changes since v1: dt-bindings: connector: Add SVDM VDO properties - updated the dt-bindings documentations - added more definitions of Product Type VDOs .../bindings/connector/usb-connector.yaml | 11 + include/dt-bindings/usb/pd.h | 311 +++++++++++++++++- 2 files changed, 321 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml index 4286ed767a0a..d385026944ec 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml @@ -137,6 +137,17 @@ properties: maxItems: 7 $ref: /schemas/types.yaml#/definitions/uint32-array + sink-vdos: + description: An array of u32 with each entry (VDM Objects) providing additional information + corresponding to the product, the detailed bit definitions and the order of each VDO can be + found in "USB Power Delivery Specification Revision 3.0, Version 2.0 + ECNs 2020-12-10" + chapter 6.4.4.3.1 Discover Identity. User can specify the VDO array via + VDO_IDH/_CERT/_PRODUCT/_UFP/_DFP/_PCABLE/_ACABLE(1/2)/_VPD() defined in + dt-bindings/usb/pd.h. + minItems: 3 + maxItems: 6 + $ref: /schemas/types.yaml#/definitions/uint32-array + op-sink-microwatt: description: Sink required operating power in microwatt, if source can't offer the power, Capability Mismatch is set. Required for power sink and diff --git a/include/dt-bindings/usb/pd.h b/include/dt-bindings/usb/pd.h index 0352893697f0..fef3ef65967f 100644 --- a/include/dt-bindings/usb/pd.h +++ b/include/dt-bindings/usb/pd.h @@ -93,4 +93,313 @@ #define FRS_DEFAULT_POWER 1 #define FRS_5V_1P5A 2 #define FRS_5V_3A 3 - #endif /* __DT_POWER_DELIVERY_H */ + +/* + * SVDM Identity Header + * -------------------- + * <31> :: data capable as a USB host + * <30> :: data capable as a USB device + * <29:27> :: product type (UFP / Cable / VPD) + * <26> :: modal operation supported (1b == yes) + * <25:23> :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0) + * <22:21> :: connector type (SVDM version 2.0+ only; set to zero in version 1.0) + * <20:16> :: Reserved, Shall be set to zero + * <15:0> :: USB-IF assigned VID for this cable vendor + */ +/* SOP Product Type (UFP) */ +#define IDH_PTYPE_NOT_UFP 0 +#define IDH_PTYPE_HUB 1 +#define IDH_PTYPE_PERIPH 2 +#define IDH_PTYPE_PSD 3 +#define IDH_PTYPE_AMA 5 + +/* SOP' Product Type (Cable Plug / VPD) */ +#define IDH_PTYPE_NOT_CABLE 0 +#define IDH_PTYPE_PCABLE 3 +#define IDH_PTYPE_ACABLE 4 +#define IDH_PTYPE_VPD 6 + +/* SOP Product Type (DFP) */ +#define IDH_PTYPE_NOT_DFP 0 +#define IDH_PTYPE_DFP_HUB 1 +#define IDH_PTYPE_DFP_HOST 2 +#define IDH_PTYPE_DFP_PB 3 + +#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid) \ + ((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27 \ + | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21 \ + | ((vid) & 0xffff)) + +/* + * Cert Stat VDO + * ------------- + * <31:0> : USB-IF assigned XID for this cable + */ +#define VDO_CERT(xid) ((xid) & 0xffffffff) + +/* + * Product VDO + * ----------- + * <31:16> : USB Product ID + * <15:0> : USB bcdDevice + */ +#define VDO_PRODUCT(pid, bcd) (((pid) & 0xffff) << 16 | ((bcd) & 0xffff)) + +/* + * UFP VDO (PD Revision 3.0+ only) + * -------- + * <31:29> :: UFP VDO version + * <28> :: Reserved + * <27:24> :: Device capability + * <23:22> :: Connector type (10b == receptacle, 11b == captive plug) + * <21:11> :: Reserved + * <10:8> :: Vconn power (AMA only) + * <7> :: Vconn required (AMA only, 0b == no, 1b == yes) + * <6> :: Vbus required (AMA only, 0b == yes, 1b == no) + * <5:3> :: Alternate modes + * <2:0> :: USB highest speed + */ +/* UFP VDO Version */ +#define UFP_VDO_VER1_2 2 + +/* Device Capability */ +#define DEV_USB2_CAPABLE BIT(0) +#define DEV_USB2_BILLBOARD BIT(1) +#define DEV_USB3_CAPABLE BIT(2) +#define DEV_USB4_CAPABLE BIT(3) + +/* Connector Type */ +#define UFP_RECEPTACLE 2 +#define UFP_CAPTIVE 3 + +/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */ +#define AMA_VCONN_PWR_1W 0 +#define AMA_VCONN_PWR_1W5 1 +#define AMA_VCONN_PWR_2W 2 +#define AMA_VCONN_PWR_3W 3 +#define AMA_VCONN_PWR_4W 4 +#define AMA_VCONN_PWR_5W 5 +#define AMA_VCONN_PWR_6W 6 + +/* Vconn Required (AMA only) */ +#define AMA_VCONN_NOT_REQ 0 +#define AMA_VCONN_REQ 1 + +/* Vbus Required (AMA only) */ +#define AMA_VBUS_REQ 0 +#define AMA_VBUS_NOT_REQ 1 + +/* Alternate Modes */ +#define UFP_ALTMODE_NOT_SUPP 0 +#define UFP_ALTMODE_TBT3 BIT(0) +#define UFP_ALTMODE_RECFG BIT(1) +#define UFP_ALTMODE_NO_RECFG BIT(2) + +/* USB Highest Speed */ +#define UFP_USB2_ONLY 0 +#define UFP_USB32_GEN1 1 +#define UFP_USB32_4_GEN2 2 +#define UFP_USB4_GEN3 3 + +#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd) \ + (((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22 \ + | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3 \ + | ((spd) & 0x7)) + +/* + * DFP VDO (PD Revision 3.0+ only) + * -------- + * <31:29> :: DFP VDO version + * <28:27> :: Reserved + * <26:24> :: Host capability + * <23:22> :: Connector type (10b == receptacle, 11b == captive plug) + * <21:5> :: Reserved + * <4:0> :: Port number + */ +#define DFP_VDO_VER1_1 1 +#define HOST_USB2_CAPABLE BIT(0) +#define HOST_USB3_CAPABLE BIT(1) +#define HOST_USB4_CAPABLE BIT(2) +#define DFP_RECEPTACLE 2 +#define DFP_CAPTIVE 3 + +#define VDO_DFP(ver, cap, conn, pnum) \ + (((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22 \ + | ((pnum) & 0x1f)) + +/* + * Passive Cable VDO + * --------- + * <31:28> :: Cable HW version + * <27:24> :: Cable FW version + * <23:21> :: VDO version + * <20> :: Reserved, Shall be set to zero + * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive) + * <17> :: Reserved, Shall be set to zero + * <16:13> :: cable latency (0001 == <10ns(~1m length)) + * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req) + * <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V) + * <8:7> :: Reserved, Shall be set to zero + * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A) + * <4:3> :: Reserved, Shall be set to zero + * <2:0> :: USB highest speed + * + * Active Cable VDO 1 + * --------- + * <31:28> :: Cable HW version + * <27:24> :: Cable FW version + * <23:21> :: VDO version + * <20> :: Reserved, Shall be set to zero + * <19:18> :: Connector type (10b == C, 11b == Captive) + * <17> :: Reserved, Shall be set to zero + * <16:13> :: cable latency (0001 == <10ns(~1m length)) + * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req) + * <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V) + * <8> :: SBU supported (0b == supported, 1b == not supported) + * <7> :: SBU type (0b == passive, 1b == active) + * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A) + * <4> :: Vbus through cable (0b == no, 1b == yes) + * <3> :: SOP" controller present? (0b == no, 1b == yes) + * <2:0> :: USB highest speed + */ +/* Cable VDO Version */ +#define CABLE_VDO_VER1_0 0 +#define CABLE_VDO_VER1_3 3 + +/* Connector Type */ +#define CABLE_CTYPE 2 +#define CABLE_CAPTIVE 3 + +/* Cable Latency */ +#define CABLE_LATENCY_1M 1 +#define CABLE_LATENCY_2M 2 +#define CABLE_LATENCY_3M 3 +#define CABLE_LATENCY_4M 4 +#define CABLE_LATENCY_5M 5 +#define CABLE_LATENCY_6M 6 +#define CABLE_LATENCY_7M 7 +#define CABLE_LATENCY_7M_PLUS 8 + +/* Cable Termination Type */ +#define PCABLE_VCONN_NOT_REQ 0 +#define PCABLE_VCONN_REQ 1 +#define ACABLE_ONE_END 2 +#define ACABLE_BOTH_END 3 + +/* Maximum Vbus Voltage */ +#define CABLE_MAX_VBUS_20V 0 +#define CABLE_MAX_VBUS_30V 1 +#define CABLE_MAX_VBUS_40V 2 +#define CABLE_MAX_VBUS_50V 3 + +/* Active Cable SBU Supported/Type */ +#define ACABLE_SBU_SUPP 0 +#define ACABLE_SBU_NOT_SUPP 1 +#define ACABLE_SBU_PASSIVE 0 +#define ACABLE_SBU_ACTIVE 1 + +/* Vbus Current Handling Capability */ +#define CABLE_CURR_DEF 0 +#define CABLE_CURR_3A 1 +#define CABLE_CURR_5A 2 + +/* USB Highest Speed */ +#define CABLE_USB2_ONLY 0 +#define CABLE_USB32_GEN1 1 +#define CABLE_USB32_4_GEN2 2 +#define CABLE_USB4_GEN3 3 + +#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd) \ + (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \ + | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \ + | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7)) +#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \ + (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \ + | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \ + | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5 \ + | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7)) + +/* + * Active Cable VDO 2 + * --------- + * <31:24> :: Maximum operating temperature + * <23:16> :: Shutdown temperature + * <15> :: Reserved, Shall be set to zero + * <14:12> :: U3/CLd power + * <11> :: U3 to U0 transition mode (0b == direct, 1b == through U3S) + * <10> :: Physical connection (0b == copper, 1b == optical) + * <9> :: Active element (0b == redriver, 1b == retimer) + * <8> :: USB4 supported (0b == yes, 1b == no) + * <7:6> :: USB2 hub hops consumed + * <5> :: USB2 supported (0b == yes, 1b == no) + * <4> :: USB3.2 supported (0b == yes, 1b == no) + * <3> :: USB lanes supported (0b == one lane, 1b == two lanes) + * <2> :: Optically isolated active cable (0b == no, 1b == yes) + * <1> :: Reserved, Shall be set to zero + * <0> :: USB gen (0b == gen1, 1b == gen2+) + */ +/* U3/CLd Power*/ +#define ACAB2_U3_CLD_10MW_PLUS 0 +#define ACAB2_U3_CLD_10MW 1 +#define ACAB2_U3_CLD_5MW 2 +#define ACAB2_U3_CLD_1MW 3 +#define ACAB2_U3_CLD_500UW 4 +#define ACAB2_U3_CLD_200UW 5 +#define ACAB2_U3_CLD_50UW 6 + +/* Other Active Cable VDO 2 Fields */ +#define ACAB2_U3U0_DIRECT 0 +#define ACAB2_U3U0_U3S 1 +#define ACAB2_PHY_COPPER 0 +#define ACAB2_PHY_OPTICAL 1 +#define ACAB2_REDRIVER 0 +#define ACAB2_RETIMER 1 +#define ACAB2_USB4_SUPP 0 +#define ACAB2_USB4_NOT_SUPP 1 +#define ACAB2_USB2_SUPP 0 +#define ACAB2_USB2_NOT_SUPP 1 +#define ACAB2_USB32_SUPP 0 +#define ACAB2_USB32_NOT_SUPP 1 +#define ACAB2_LANES_ONE 0 +#define ACAB2_LANES_TWO 1 +#define ACAB2_OPT_ISO_NO 0 +#define ACAB2_OPT_ISO_YES 1 +#define ACAB2_GEN_1 0 +#define ACAB2_GEN_2_PLUS 1 + +#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen) \ + (((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12 \ + | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8 \ + | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3 \ + | (iso) << 2 | (gen)) + +/* + * VPD VDO + * --------- + * <31:28> :: HW version + * <27:24> :: FW version + * <23:21> :: VDO version + * <20:17> :: Reserved, Shall be set to zero + * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V) + * <14> :: Charge through current support (0b == 3A, 1b == 5A) + * <13> :: Reserved, Shall be set to zero + * <12:7> :: Vbus impedance + * <6:1> :: Ground impedance + * <0> :: Charge through support (0b == no, 1b == yes) + */ +#define VPD_VDO_VER1_0 0 +#define VPD_MAX_VBUS_20V 0 +#define VPD_MAX_VBUS_30V 1 +#define VPD_MAX_VBUS_40V 2 +#define VPD_MAX_VBUS_50V 3 +#define VPDCT_CURR_3A 0 +#define VPDCT_CURR_5A 1 +#define VPDCT_NOT_SUPP 0 +#define VPDCT_SUPP 1 + +#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct) \ + (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \ + | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7 \ + | ((gi) & 0x3f) << 1 | (ct)) + +#endif /* __DT_POWER_DELIVERY_H */