From patchwork Thu Oct 28 16:49:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 12590585 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2B61C43217 for ; Thu, 28 Oct 2021 16:47:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9FF4661073 for ; Thu, 28 Oct 2021 16:47:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230008AbhJ1QuM (ORCPT ); Thu, 28 Oct 2021 12:50:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229761AbhJ1QuM (ORCPT ); Thu, 28 Oct 2021 12:50:12 -0400 Received: from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com [IPv6:2a00:1450:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C22CFC061570 for ; Thu, 28 Oct 2021 09:47:44 -0700 (PDT) Received: by mail-wr1-x42b.google.com with SMTP id d3so11302597wrh.8 for ; Thu, 28 Oct 2021 09:47:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=28ILwbMYYFYo+iwfSu1OAenWdD1ePSsQXhSvTodKWcU=; b=tCH7i0NfpZmsvt1HOmWniPk+M0M7bhXHwP8/OiTJ43dnw429qDh7MzDO5sloB7vzDS d7TwroAbKpMFv+goAKbx42H89EYgPfa8Cd6cBptBfowp8UDQWYKxsxUltZrLNjqa2iFU DiqJYck1jBkYdLBYkZQWf9JHsSrFPo4LRfPBkfOR0zi4EQqMZ8KTCuhVNLiHAAr4ML3G teuBxexzhy02hVqP0jaNANDWKJ7RF37lQMsafySycwcBndNR6mVpBeDlQJHOhagTTes/ dxFV6DjCuEjFwk2X5AGRrQ5349yd72x7Dlcr0LVmJ0JM9rt+tjzm4l7ARm1gNMhb6cws Xc4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=28ILwbMYYFYo+iwfSu1OAenWdD1ePSsQXhSvTodKWcU=; b=ZxKMsywaWzgiWhacBSwQKKpbabSCF7e/VZO0Dc2JzCWAgEerV6XA4NvL8dqB+Q5aFB 6kt78+8mps9/zhwCe2zFyhb+dFDzaVpjwMQI08RKFVsrqGuebBQamxXZwY8zDbjQ5Zum i0QKjPtwQVaQp2Uya8A5MpO+ghgZeAITvxqPDPYUUDTpPWHeoNodKQePrMRUQOG2wPiz o+7SBu9ci9awRNtJOQT+QT0l4Tp9PM3ShxDbQQrvXWaF8oX5T/E5jxE6mo3ZrzhEU6vT 08BuWEsEKNAPujDPf1+6wSjL0na4BAQt/cV1pSlrFHC3eEY6WJ4eHD//mb6U2luHGY4n AeAg== X-Gm-Message-State: AOAM532aV+xowlzUV59gRkqfZeHQBCv6JZf93GHKD0R8E+RdkcLzO0Lp oVTsmwjFKMwjEnSz3f/cYP86Sw== X-Google-Smtp-Source: ABdhPJzvsIhsV1dDj5Q5oNo13hardH75LFlX46pBlSHkeDYiUvCjve4Y0emWMS+uYvx5ChzRa+cjWw== X-Received: by 2002:a5d:660e:: with SMTP id n14mr7264151wru.388.1635439663437; Thu, 28 Oct 2021 09:47:43 -0700 (PDT) Received: from sagittarius-a.chello.ie (188-141-3-169.dynamic.upc.ie. [188.141.3.169]) by smtp.gmail.com with ESMTPSA id y8sm3601724wrq.77.2021.10.28.09.47.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 09:47:42 -0700 (PDT) From: Bryan O'Donoghue To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, rdunlap@infradead.org, gregkh@linuxfoundation.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Cc: wcheng@codeaurora.org, bryan.odonoghue@linaro.org Subject: [RESEND PATCH v2 1/7] dt-bindings: usb: Add qcom,pmic-usb-typec dt-binding header Date: Thu, 28 Oct 2021 17:49:35 +0100 Message-Id: <20211028164941.831918-2-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211028164941.831918-1-bryan.odonoghue@linaro.org> References: <20211028164941.831918-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Adds a series of defines which are used in the DTS and type-c driver for identifying interrupts. Signed-off-by: Bryan O'Donoghue --- .../usb/typec/tcpm/qcom,pmic-usb-typec.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 include/dt-bindings/usb/typec/tcpm/qcom,pmic-usb-typec.h diff --git a/include/dt-bindings/usb/typec/tcpm/qcom,pmic-usb-typec.h b/include/dt-bindings/usb/typec/tcpm/qcom,pmic-usb-typec.h new file mode 100644 index 0000000000000..263c999b59b8d --- /dev/null +++ b/include/dt-bindings/usb/typec/tcpm/qcom,pmic-usb-typec.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2021, The Linux Foundation. All rights reserved. + */ + +#ifndef _DT_BINDINGS_TCPM_QCOM_PMIC_USB_TYPEC_H +#define _DT_BINDINGS_TCPM_QCOM_PMIC_USB_TYPEC_H + +#define PMIC_TYPEC_OR_RID_IRQ 0x0 +#define PMIC_TYPEC_VPD_IRQ 0x1 +#define PMIC_TYPEC_CC_STATE_IRQ 0x2 +#define PMIC_TYPEC_VCONN_OC_IRQ 0x3 +#define PMIC_TYPEC_VBUS_IRQ 0x4 +#define PMIC_TYPEC_ATTACH_DETACH_IRQ 0x5 +#define PMIC_TYPEC_LEGACY_CABLE_IRQ 0x6 +#define PMIC_TYPEC_TRY_SNK_SRC_IRQ 0x7 + +#endif From patchwork Thu Oct 28 16:49:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 12590587 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE22FC4321E for ; Thu, 28 Oct 2021 16:47:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BCCA861073 for ; Thu, 28 Oct 2021 16:47:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229761AbhJ1QuO (ORCPT ); Thu, 28 Oct 2021 12:50:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230264AbhJ1QuN (ORCPT ); Thu, 28 Oct 2021 12:50:13 -0400 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EFCA7C061570 for ; Thu, 28 Oct 2021 09:47:45 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id 192so4837237wme.3 for ; Thu, 28 Oct 2021 09:47:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=EIQZtiL4sO2h//qQWQnW0bsrqU7jClGfSi+dVnwdw8M=; b=TBUrWftD5XqHvD8PbQTlOVzGtVGKEwU91QaDNYmSa6TC9xVVaG3SMjqL7vRMqcjz/T osNT37veogQdizbTV9+l4/OYKmnY7+qvzbVVrve+XhkR22qNX3Met4AcHEAsA2fBfAzL JB6mqq4XqYe90DFApw2Bw9GhbM7Bsru3/ri8omaEedengnCsyb01OWFkfuiVVYNBsyc6 NvFfH0r6decoNiIFxqeM7Nt5P0j2UmsE4u54APOQEnkQp8SYHUMNMXyTixKw2huogTJA uSa8sdcKZWW9U5oAYG8jhguHP4l6eQwjuJJ6k6k7w+7ejlOw4JYccX5RMfyIZPaFu9CH 48vg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=EIQZtiL4sO2h//qQWQnW0bsrqU7jClGfSi+dVnwdw8M=; b=BF/UC7vDauNNhLU4CO5NgjOl0C+YmistHLM49+1j3dUupJvyDfGXJn8Qya5E/Aqczw 0A6dgzKTEzxZAYLfNXidKU47I4NnChPyBl4EyLAaW4e65msXMEdRINn/Ei1z2iIgeJya CT4TItTfAY6Jz+B8qHI3Y4IaL5t5Ut8hyzwpi7Bn40Ib0d0OvmQcZFsoeRIYBJJoF3no 2x+MUn/Zfp9Vop1XP67hg1ujg8nBGW+WF1jjDBn7X7SLlEqsjjzNbVcgn/QEs5fBh6N5 7ReblRr+eYt33vN1LFNTU61+/KrXjqsa/5OtCQtcwbAvm8A/U3vupZGMhFM1gDHuGcDP z5Rg== X-Gm-Message-State: AOAM5333oKTB9d8oynrL54a8mhR2cAIFykCcyj/rJDVGeyIJ2+gfvg1C IdwFvuiTN7ELJmpRgn8VJBd+qg== X-Google-Smtp-Source: ABdhPJzzMGmZvBQ71k3dB4DPQXaIymT4UYekuWhVAwPb6ERWZ63hT5hdLCl6NeJvrc1+mV50On9NWw== X-Received: by 2002:a1c:9891:: with SMTP id a139mr211737wme.152.1635439664526; Thu, 28 Oct 2021 09:47:44 -0700 (PDT) Received: from sagittarius-a.chello.ie (188-141-3-169.dynamic.upc.ie. [188.141.3.169]) by smtp.gmail.com with ESMTPSA id y8sm3601724wrq.77.2021.10.28.09.47.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 09:47:43 -0700 (PDT) From: Bryan O'Donoghue To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, rdunlap@infradead.org, gregkh@linuxfoundation.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Cc: wcheng@codeaurora.org, bryan.odonoghue@linaro.org Subject: [RESEND PATCH v2 2/7] dt-bindings: usb: Add Qualcomm PMIC type C controller YAML schema Date: Thu, 28 Oct 2021 17:49:36 +0100 Message-Id: <20211028164941.831918-3-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211028164941.831918-1-bryan.odonoghue@linaro.org> References: <20211028164941.831918-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add a YAML binding for the type-c silicon interface inside Qualcomm's pm8150b hardware block. The type-c driver operates with a pdphy driver inside of a high level single TCPM device. Based on original work by Wesley. Signed-off-by: Wesley Cheng Signed-off-by: Bryan O'Donoghue --- .../bindings/usb/qcom,pmic-typec.yaml | 116 ++++++++++++++++++ 1 file changed, 116 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 0000000000000..72602daf910bb --- /dev/null +++ b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml @@ -0,0 +1,116 @@ +# 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: + - Bryan O'Donoghue + +description: | + Qualcomm PMIC Type C Detect + +properties: + compatible: + enum: + - qcom,pm8150b-usb-typec + + reg: + maxItems: 1 + description: Type C base address + + interrupts: + items: + - description: Bitmask of CC attach, VBUS error, tCCDebounce done and more + - description: VCONN Powered Detection + - description: CC state change + - description: VCONN over-current condition + - description: VBUS state change + - description: Attach Deteach notification + - description: Legacy cable detect + - description: Try.Src Try.Snk state change + + interrupt-names: + items: + - const: pmic-typec-or-rid-detect-change + - const: pmic-typec-vpd-detect + - const: pmic-typec-cc-state-change + - const: pmic-typec-vconn-oc + - const: pmic-typec-vbus-change + - const: pmic-typec-attach-detach + - const: pmic-typec-legacy-cable-detect + - const: pmic-typec-try-snk-src-detect + + ports: + description: Remote endpoint connections + $ref: /connector/usb-connector.yaml#/properties/ports + + properties: + port@0: + description: Remote endpoints for the TCPM driver + + required: + - port@0 + +required: + - compatible + - reg + - interrupts + - interrupt-names + - ports + +additionalProperties: false + +examples: + - | + #include + #include + pm8150b { + #address-cells = <1>; + #size-cells = <0>; + + pm8150b_typec: typec@1500 { + compatible = "qcom,pm8150b-typec"; + reg = <0x1500>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = <0x2 0x15 PMIC_TYPEC_OR_RID_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x15 PMIC_TYPEC_VPD_IRQ + IRQ_TYPE_EDGE_BOTH>, + <0x2 0x15 PMIC_TYPEC_CC_STATE_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x15 PMIC_TYPEC_VCONN_OC_IRQ + IRQ_TYPE_EDGE_BOTH>, + <0x2 0x15 PMIC_TYPEC_VBUS_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x15 PMIC_TYPEC_ATTACH_DETACH_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x15 PMIC_TYPEC_LEGACY_CABLE_IRQ + IRQ_TYPE_EDGE_BOTH>, + <0x2 0x15 PMIC_TYPEC_TRY_SNK_SRC_IRQ + IRQ_TYPE_EDGE_RISING>; + interrupt-names = "pmic-typec-or-rid-detect-change", + "pmic-typec-vpd-detect", + "pmic-typec-cc-state-change", + "pmic-typec-vconn-oc", + "pmic-typec-vbus-change", + "pmic-typec-attach-detach", + "pmic-typec-legacy-cable-detect", + "pmic-typec-try-snk-src-detect"; + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + pmic_typec: endpoint { + remote-endpoint = <&pmic_tcpm_typec>; + }; + }; + }; + }; + }; +... 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[188.141.3.169]) by smtp.gmail.com with ESMTPSA id y8sm3601724wrq.77.2021.10.28.09.47.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 09:47:45 -0700 (PDT) From: Bryan O'Donoghue To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, rdunlap@infradead.org, gregkh@linuxfoundation.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Cc: wcheng@codeaurora.org, bryan.odonoghue@linaro.org Subject: [RESEND PATCH v2 3/7] dt-bindings: usb: Add qcom,pmic-usb-pdphy dt-binding header Date: Thu, 28 Oct 2021 17:49:37 +0100 Message-Id: <20211028164941.831918-4-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211028164941.831918-1-bryan.odonoghue@linaro.org> References: <20211028164941.831918-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Adds a series of defines which are used in the DTS and pdphy driver for identifying interrupts. Signed-off-by: Bryan O'Donoghue --- .../usb/typec/tcpm/qcom,pmic-usb-pdphy.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 include/dt-bindings/usb/typec/tcpm/qcom,pmic-usb-pdphy.h diff --git a/include/dt-bindings/usb/typec/tcpm/qcom,pmic-usb-pdphy.h b/include/dt-bindings/usb/typec/tcpm/qcom,pmic-usb-pdphy.h new file mode 100644 index 0000000000000..0bb1ce677fe5c --- /dev/null +++ b/include/dt-bindings/usb/typec/tcpm/qcom,pmic-usb-pdphy.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2021, Linaro Ltd. All rights reserved. + */ + +#ifndef _DT_BINDINGS_TCPM_QCOM_PMIC_USB_PDPHY_H +#define _DT_BINDINGS_TCPM_QCOM_PMIC_USB_PDPHY_H + +#define PMIC_PDPHY_SIG_TX_IRQ 0x0 +#define PMIC_PDPHY_SIG_RX_IRQ 0x1 +#define PMIC_PDPHY_MSG_TX_IRQ 0x2 +#define PMIC_PDPHY_MSG_RX_IRQ 0x3 +#define PMIC_PDPHY_MSG_TX_FAIL_IRQ 0x4 +#define PMIC_PDPHY_MSG_TX_DISCARD_IRQ 0x5 +#define PMIC_PDPHY_MSG_RX_DISCARD_IRQ 0x6 +#define PMIC_PDPHY_FR_SWAP_IRQ 0x7 + +#endif From patchwork Thu Oct 28 16:49:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 12590591 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40BDAC43219 for ; Thu, 28 Oct 2021 16:47:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2866F61107 for ; Thu, 28 Oct 2021 16:47:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230369AbhJ1QuQ (ORCPT ); Thu, 28 Oct 2021 12:50:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230295AbhJ1QuP (ORCPT ); Thu, 28 Oct 2021 12:50:15 -0400 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4EC0AC061570 for ; Thu, 28 Oct 2021 09:47:48 -0700 (PDT) Received: by mail-wr1-x430.google.com with SMTP id e4so11292453wrc.7 for ; Thu, 28 Oct 2021 09:47:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=W6folD6S9BqLGM99G5RWE+A4n/cypELvZBV4a40T5Hg=; b=BeYbIMck+3lnUds9p1ZqEeBUc2UYqrTMpUgZoLOxyUO6a8df0jjmJysbQ4BCS5yPTw UPzgXv0wGrlS+NWOq0zDFl/O/iJuIW7sN2AcPm7i9n7iRFxRy4YVu0aHcL7N0wsZr5wY sbfVmWi1hkhi7Eti2EFke3ZDiTH/JOY2wGdjetwPvRZWy3wP5gtA2U25lPfY5B3dFg42 6SwYv5bOAzsFmR2n24b/dnH9Gf+A2feWwTrwch3zGRcrUguN7zwhePnx+LnD5UuTcd8G K/bbUqHcZnF5rn8fD8gEtg4AVmuVQobEPXJ98sgIyAoYM4ghUC0PLAdQXQ9hJoTesDgA aaTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=W6folD6S9BqLGM99G5RWE+A4n/cypELvZBV4a40T5Hg=; b=i6H4BcQYvA8S5tHr+XTY6ogWjI6GQVxwHbHTiRXnYlXh2+tgacJFpynopgfMhdSmNR Fix51ntqbAkkgFo+Ss88CwknRsE5mzFFz5fmPWoYCEoicEfAhOjrz3YhLG3YvSCcKynA +zooNMjyqdNLau/QL12bDiostFPTzLl8jEYm1etYUL/yoFrOhvo3g0PaaToldSaNdTNT Tj3KaeEcduZJlZkdaZeaJk0pjd4MglF4w4ujlz5voa+V5BbNqirGE9mb2iX/ExZQZ/JX J+p8CcULmiYW0YpDI+RPpP8AiweddJ3CeyGwQ+EMXTjU5LJqBCNq2qPQoYPkgda0Yn0E MFIg== X-Gm-Message-State: AOAM530L5driSPRiku9AkhqNNrrukEJ5UP3ABgD4K7IRfPsAChYWOtBd 7HCsmQaluSQIl8UZla8wQCU0VA== X-Google-Smtp-Source: ABdhPJzrBPTOHwPGKTed7p0gjwIxznNcIltdVW33kHWHvAkC4KXF2eDg9hHVZxkxIRky4/nx2cG4Dw== X-Received: by 2002:adf:dc0d:: with SMTP id t13mr7129659wri.158.1635439666918; Thu, 28 Oct 2021 09:47:46 -0700 (PDT) Received: from sagittarius-a.chello.ie (188-141-3-169.dynamic.upc.ie. [188.141.3.169]) by smtp.gmail.com with ESMTPSA id y8sm3601724wrq.77.2021.10.28.09.47.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 09:47:46 -0700 (PDT) From: Bryan O'Donoghue To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, rdunlap@infradead.org, gregkh@linuxfoundation.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Cc: wcheng@codeaurora.org, bryan.odonoghue@linaro.org Subject: [RESEND PATCH v2 4/7] dt-bindings: usb: Add Qualcomm PMIC PDPHY controller YAML schema Date: Thu, 28 Oct 2021 17:49:38 +0100 Message-Id: <20211028164941.831918-5-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211028164941.831918-1-bryan.odonoghue@linaro.org> References: <20211028164941.831918-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add a YAML binding for the power-delivery PHY silicon interface inside Qualcomm's pm8150b hardware block. The pdphy driver operates with a type-c driver inside of a high level single TCPM device to provide overall TCPM functionality. Signed-off-by: Bryan O'Donoghue --- .../bindings/usb/qcom,pmic-pdphy.yaml | 115 ++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/qcom,pmic-pdphy.yaml diff --git a/Documentation/devicetree/bindings/usb/qcom,pmic-pdphy.yaml b/Documentation/devicetree/bindings/usb/qcom,pmic-pdphy.yaml new file mode 100644 index 0000000000000..9110f6203b87f --- /dev/null +++ b/Documentation/devicetree/bindings/usb/qcom,pmic-pdphy.yaml @@ -0,0 +1,115 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/usb/qcom,pmic-pdphy.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm PMIC based USB PDPHY driver + +maintainers: + - Bryan O'Donoghue + +description: | + Qualcomm PMIC Power Delivery PHY driver + +properties: + compatible: + enum: + - qcom,pm8150b-pdphy + + reg: + maxItems: 1 + description: PDPHY base address + + interrupts: + items: + - description: Sig TX - transmitted reset signal + - description: Sig RX - received reset signal + - description: TX completion + - description: RX completion + - description: TX fail + - description: TX discgard + - description: RX discgard + - description: Fast Role Swap event + + interrupt-names: + items: + - const: pmic-pdphy-sig-tx + - const: pmic-pdphy-sig-rx + - const: pmic-pdphy-msg-tx + - const: pmic-pdphy-msg-rx + - const: pmic-pdphy-msg-tx-failed + - const: pmic-pdphy-msg-tx-discarded + - const: pmic-pdphy-msg-rx-discarded + - const: pmic-pdphy-fr-swap + + ports: + description: Remote endpoint connections + $ref: /connector/usb-connector.yaml#/properties/ports + + properties: + port@0: + description: Remote endpoints for the TCPM driver + + required: + - port@0 + +required: + - compatible + - reg + - interrupts + - interrupt-names + - ports + +additionalProperties: false + +examples: + - | + #include + #include + + pm8150b { + #address-cells = <1>; + #size-cells = <0>; + + pm8150b_pdphy: pdphy@1700 { + compatible = "qcom,pm8150b-pdphy"; + reg = <0x1700>; + interrupts = <0x2 0x17 PMIC_PDPHY_SIG_TX_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x17 PMIC_PDPHY_SIG_RX_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x17 PMIC_PDPHY_MSG_TX_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x17 PMIC_PDPHY_MSG_RX_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x17 PMIC_PDPHY_MSG_TX_FAIL_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x17 PMIC_PDPHY_MSG_TX_DISCARD_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x17 PMIC_PDPHY_MSG_RX_DISCARD_IRQ + IRQ_TYPE_EDGE_RISING>, + <0x2 0x17 PMIC_PDPHY_FR_SWAP_IRQ + IRQ_TYPE_EDGE_RISING>; + interrupt-names = "pmic-pdphy-sig-tx", + "pmic-pdphy-sig-rx", + "pmic-pdphy-msg-tx", + "pmic-pdphy-msg-rx", + "pmic-pdphy-msg-tx-failed", + "pmic-pdphy-msg-tx-discarded", + "pmic-pdphy-msg-rx-discarded", + "pmic-pdphy-fr-swap"; + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + pmic_pdphy: endpoint { + remote-endpoint = <&pmic_tcpm_pdphy>; + }; + }; + }; + }; + }; +... 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[188.141.3.169]) by smtp.gmail.com with ESMTPSA id y8sm3601724wrq.77.2021.10.28.09.47.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 09:47:47 -0700 (PDT) From: Bryan O'Donoghue To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, rdunlap@infradead.org, gregkh@linuxfoundation.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Cc: wcheng@codeaurora.org, bryan.odonoghue@linaro.org Subject: [RESEND PATCH v2 5/7] dt-bindings: usb: Add Qualcomm PMIC TCPM YAML schema Date: Thu, 28 Oct 2021 17:49:39 +0100 Message-Id: <20211028164941.831918-6-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211028164941.831918-1-bryan.odonoghue@linaro.org> References: <20211028164941.831918-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add a YAML description for the pm8150b-tcpm driver. The pm8150b-tcpm encapsulates a type-c block and a pdphy block into one block presented to the tcpm Linux API. Signed-off-by: Bryan O'Donoghue --- .../bindings/usb/qcom,pmic-tcpm.yaml | 110 ++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/qcom,pmic-tcpm.yaml diff --git a/Documentation/devicetree/bindings/usb/qcom,pmic-tcpm.yaml b/Documentation/devicetree/bindings/usb/qcom,pmic-tcpm.yaml new file mode 100644 index 0000000000000..6dd51a1dd944f --- /dev/null +++ b/Documentation/devicetree/bindings/usb/qcom,pmic-tcpm.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/usb/qcom,pmic-tcpm.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm PMIC TCPM Driver + +maintainers: + - Bryan O'Donoghue + +description: | + Qualcomm PMIC Type-C Port Manager Driver + +properties: + compatible: + enum: + - qcom,pm8150b-tcpm + + ports: + description: Remote endpoint connections + $ref: /connector/usb-connector.yaml#/properties/ports + + properties: + port@0: + description: Remote endpoints for the type-c device + + port@1: + description: Remote endpoints for the pdphy device + + port@2: + description: Connection to role switch node + + required: + - port@0 + - port@1 + - port@2 + +required: + - compatible + - ports + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + + pm8150b_tcpm: pmic-tcpm { + compatible = "qcom,pmic-tcpm"; + + #address-cells = <1>; + #size-cells = <0>; + + status = "disabled"; + ports { + + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + pmic_tcpm_typec: endpoint { + remote-endpoint = <&pmic_typec>; + }; + }; + port@1 { + reg = <1>; + pmic_tcpm_pdphy: endpoint { + remote-endpoint = <&pmic_pdphy>; + }; + }; + port@2 { + ret = <2>; + usb3_role: endpoint@0 { + remote-endpoint = <&dwc3_drd_switch>; + }; + }; + }; + + connector { + compatible = "usb-c-connector"; + + power-role = "source"; + data-role = "dual"; + self-powered; + + source-pdos = ; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + pmic_tcpm_ss_mux: endpoint@0 { + remote-endpoint = <&qmp_ss_mux>; + }; + }; + }; + }; + }; + +... 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[188.141.3.169]) by smtp.gmail.com with ESMTPSA id y8sm3601724wrq.77.2021.10.28.09.47.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 09:47:48 -0700 (PDT) From: Bryan O'Donoghue To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, rdunlap@infradead.org, gregkh@linuxfoundation.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Cc: wcheng@codeaurora.org, bryan.odonoghue@linaro.org Subject: [RESEND PATCH v2 6/7] usb: typec: qcom: Remove standalone qcom pm8150b typec driver Date: Thu, 28 Oct 2021 17:49:40 +0100 Message-Id: <20211028164941.831918-7-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211028164941.831918-1-bryan.odonoghue@linaro.org> References: <20211028164941.831918-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Remove the standalone PMIC Type-C driver. We have implemented a full TCPM driver which covers and extends the functionality in this driver. Signed-off-by: Bryan O'Donoghue --- drivers/usb/typec/Kconfig | 13 -- drivers/usb/typec/Makefile | 1 - drivers/usb/typec/qcom-pmic-typec.c | 262 ---------------------------- 3 files changed, 276 deletions(-) delete mode 100644 drivers/usb/typec/qcom-pmic-typec.c diff --git a/drivers/usb/typec/Kconfig b/drivers/usb/typec/Kconfig index ab480f38523aa..61fba7bd1671d 100644 --- a/drivers/usb/typec/Kconfig +++ b/drivers/usb/typec/Kconfig @@ -75,19 +75,6 @@ config TYPEC_STUSB160X If you choose to build this driver as a dynamically linked module, the module will be called stusb160x.ko. -config TYPEC_QCOM_PMIC - tristate "Qualcomm PMIC USB Type-C driver" - depends on ARCH_QCOM || COMPILE_TEST - depends on USB_ROLE_SWITCH || !USB_ROLE_SWITCH - help - Driver for supporting role switch over the Qualcomm PMIC. This will - handle the USB Type-C role and orientation detection reported by the - QCOM PMIC if the PMIC has the capability to handle USB Type-C - detection. - - It will also enable the VBUS output to connected devices when a - DFP connection is made. - source "drivers/usb/typec/mux/Kconfig" source "drivers/usb/typec/altmodes/Kconfig" diff --git a/drivers/usb/typec/Makefile b/drivers/usb/typec/Makefile index a0adb8947a301..4dc7fc91159df 100644 --- a/drivers/usb/typec/Makefile +++ b/drivers/usb/typec/Makefile @@ -6,6 +6,5 @@ obj-$(CONFIG_TYPEC_TCPM) += tcpm/ obj-$(CONFIG_TYPEC_UCSI) += ucsi/ obj-$(CONFIG_TYPEC_TPS6598X) += tipd/ obj-$(CONFIG_TYPEC_HD3SS3220) += hd3ss3220.o -obj-$(CONFIG_TYPEC_QCOM_PMIC) += qcom-pmic-typec.o obj-$(CONFIG_TYPEC_STUSB160X) += stusb160x.o obj-$(CONFIG_TYPEC) += mux/ diff --git a/drivers/usb/typec/qcom-pmic-typec.c b/drivers/usb/typec/qcom-pmic-typec.c deleted file mode 100644 index a0454a80c4a21..0000000000000 --- a/drivers/usb/typec/qcom-pmic-typec.c +++ /dev/null @@ -1,262 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2020, The Linux Foundation. All rights reserved. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define TYPEC_MISC_STATUS 0xb -#define CC_ATTACHED BIT(0) -#define CC_ORIENTATION BIT(1) -#define SNK_SRC_MODE BIT(6) -#define TYPEC_MODE_CFG 0x44 -#define TYPEC_DISABLE_CMD BIT(0) -#define EN_SNK_ONLY BIT(1) -#define EN_SRC_ONLY BIT(2) -#define TYPEC_VCONN_CONTROL 0x46 -#define VCONN_EN_SRC BIT(0) -#define VCONN_EN_VAL BIT(1) -#define TYPEC_EXIT_STATE_CFG 0x50 -#define SEL_SRC_UPPER_REF BIT(2) -#define TYPEC_INTR_EN_CFG_1 0x5e -#define TYPEC_INTR_EN_CFG_1_MASK GENMASK(7, 0) - -struct qcom_pmic_typec { - struct device *dev; - struct regmap *regmap; - u32 base; - - struct typec_port *port; - struct usb_role_switch *role_sw; - - struct regulator *vbus_reg; - bool vbus_enabled; -}; - -static void qcom_pmic_typec_enable_vbus_regulator(struct qcom_pmic_typec - *qcom_usb, bool enable) -{ - int ret; - - if (enable == qcom_usb->vbus_enabled) - return; - - if (enable) { - ret = regulator_enable(qcom_usb->vbus_reg); - if (ret) - return; - } else { - ret = regulator_disable(qcom_usb->vbus_reg); - if (ret) - return; - } - qcom_usb->vbus_enabled = enable; -} - -static void qcom_pmic_typec_check_connection(struct qcom_pmic_typec *qcom_usb) -{ - enum typec_orientation orientation; - enum usb_role role; - unsigned int stat; - bool enable_vbus; - - regmap_read(qcom_usb->regmap, qcom_usb->base + TYPEC_MISC_STATUS, - &stat); - - if (stat & CC_ATTACHED) { - orientation = (stat & CC_ORIENTATION) ? - TYPEC_ORIENTATION_REVERSE : - TYPEC_ORIENTATION_NORMAL; - typec_set_orientation(qcom_usb->port, orientation); - - role = (stat & SNK_SRC_MODE) ? USB_ROLE_HOST : USB_ROLE_DEVICE; - if (role == USB_ROLE_HOST) - enable_vbus = true; - else - enable_vbus = false; - } else { - role = USB_ROLE_NONE; - enable_vbus = false; - } - - qcom_pmic_typec_enable_vbus_regulator(qcom_usb, enable_vbus); - usb_role_switch_set_role(qcom_usb->role_sw, role); -} - -static irqreturn_t qcom_pmic_typec_interrupt(int irq, void *_qcom_usb) -{ - struct qcom_pmic_typec *qcom_usb = _qcom_usb; - - qcom_pmic_typec_check_connection(qcom_usb); - return IRQ_HANDLED; -} - -static void qcom_pmic_typec_typec_hw_init(struct qcom_pmic_typec *qcom_usb, - enum typec_port_type type) -{ - u8 mode = 0; - - regmap_update_bits(qcom_usb->regmap, - qcom_usb->base + TYPEC_INTR_EN_CFG_1, - TYPEC_INTR_EN_CFG_1_MASK, 0); - - if (type == TYPEC_PORT_SRC) - mode = EN_SRC_ONLY; - else if (type == TYPEC_PORT_SNK) - mode = EN_SNK_ONLY; - - regmap_update_bits(qcom_usb->regmap, qcom_usb->base + TYPEC_MODE_CFG, - EN_SNK_ONLY | EN_SRC_ONLY, mode); - - regmap_update_bits(qcom_usb->regmap, - qcom_usb->base + TYPEC_VCONN_CONTROL, - VCONN_EN_SRC | VCONN_EN_VAL, VCONN_EN_SRC); - regmap_update_bits(qcom_usb->regmap, - qcom_usb->base + TYPEC_EXIT_STATE_CFG, - SEL_SRC_UPPER_REF, SEL_SRC_UPPER_REF); -} - -static int qcom_pmic_typec_probe(struct platform_device *pdev) -{ - struct qcom_pmic_typec *qcom_usb; - struct device *dev = &pdev->dev; - struct fwnode_handle *fwnode; - struct typec_capability cap; - const char *buf; - int ret, irq, role; - u32 reg; - - ret = device_property_read_u32(dev, "reg", ®); - if (ret < 0) { - dev_err(dev, "missing base address\n"); - return ret; - } - - qcom_usb = devm_kzalloc(dev, sizeof(*qcom_usb), GFP_KERNEL); - if (!qcom_usb) - return -ENOMEM; - - qcom_usb->dev = dev; - qcom_usb->base = reg; - - qcom_usb->regmap = dev_get_regmap(dev->parent, NULL); - if (!qcom_usb->regmap) { - dev_err(dev, "Failed to get regmap\n"); - return -EINVAL; - } - - qcom_usb->vbus_reg = devm_regulator_get(qcom_usb->dev, "usb_vbus"); - if (IS_ERR(qcom_usb->vbus_reg)) - return PTR_ERR(qcom_usb->vbus_reg); - - fwnode = device_get_named_child_node(dev, "connector"); - if (!fwnode) - return -EINVAL; - - ret = fwnode_property_read_string(fwnode, "power-role", &buf); - if (!ret) { - role = typec_find_port_power_role(buf); - if (role < 0) - role = TYPEC_PORT_SNK; - } else { - role = TYPEC_PORT_SNK; - } - cap.type = role; - - ret = fwnode_property_read_string(fwnode, "data-role", &buf); - if (!ret) { - role = typec_find_port_data_role(buf); - if (role < 0) - role = TYPEC_PORT_UFP; - } else { - role = TYPEC_PORT_UFP; - } - cap.data = role; - - cap.prefer_role = TYPEC_NO_PREFERRED_ROLE; - cap.fwnode = fwnode; - qcom_usb->port = typec_register_port(dev, &cap); - if (IS_ERR(qcom_usb->port)) { - ret = PTR_ERR(qcom_usb->port); - dev_err(dev, "Failed to register type c port %d\n", ret); - goto err_put_node; - } - fwnode_handle_put(fwnode); - - qcom_usb->role_sw = fwnode_usb_role_switch_get(dev_fwnode(qcom_usb->dev)); - if (IS_ERR(qcom_usb->role_sw)) { - if (PTR_ERR(qcom_usb->role_sw) != -EPROBE_DEFER) - dev_err(dev, "failed to get role switch\n"); - ret = PTR_ERR(qcom_usb->role_sw); - goto err_typec_port; - } - - irq = platform_get_irq(pdev, 0); - if (irq < 0) - goto err_usb_role_sw; - - ret = devm_request_threaded_irq(qcom_usb->dev, irq, NULL, - qcom_pmic_typec_interrupt, IRQF_ONESHOT, - "qcom-pmic-typec", qcom_usb); - if (ret) { - dev_err(&pdev->dev, "Could not request IRQ\n"); - goto err_usb_role_sw; - } - - platform_set_drvdata(pdev, qcom_usb); - qcom_pmic_typec_typec_hw_init(qcom_usb, cap.type); - qcom_pmic_typec_check_connection(qcom_usb); - - return 0; - -err_usb_role_sw: - usb_role_switch_put(qcom_usb->role_sw); -err_typec_port: - typec_unregister_port(qcom_usb->port); -err_put_node: - fwnode_handle_put(fwnode); - - return ret; -} - -static int qcom_pmic_typec_remove(struct platform_device *pdev) -{ - struct qcom_pmic_typec *qcom_usb = platform_get_drvdata(pdev); - - usb_role_switch_set_role(qcom_usb->role_sw, USB_ROLE_NONE); - qcom_pmic_typec_enable_vbus_regulator(qcom_usb, 0); - - typec_unregister_port(qcom_usb->port); - usb_role_switch_put(qcom_usb->role_sw); - - return 0; -} - -static const struct of_device_id qcom_pmic_typec_table[] = { - { .compatible = "qcom,pm8150b-usb-typec" }, - { } -}; -MODULE_DEVICE_TABLE(of, qcom_pmic_typec_table); - -static struct platform_driver qcom_pmic_typec = { - .driver = { - .name = "qcom,pmic-typec", - .of_match_table = qcom_pmic_typec_table, - }, - .probe = qcom_pmic_typec_probe, - .remove = qcom_pmic_typec_remove, -}; -module_platform_driver(qcom_pmic_typec); - -MODULE_DESCRIPTION("QCOM PMIC USB type C driver"); -MODULE_LICENSE("GPL v2"); From patchwork Thu Oct 28 16:49:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 12590597 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4C60C433FE for ; Thu, 28 Oct 2021 16:47:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD39F610F8 for ; 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[188.141.3.169]) by smtp.gmail.com with ESMTPSA id y8sm3601724wrq.77.2021.10.28.09.47.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 09:47:49 -0700 (PDT) From: Bryan O'Donoghue To: linux@roeck-us.net, heikki.krogerus@linux.intel.com, rdunlap@infradead.org, gregkh@linuxfoundation.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Cc: wcheng@codeaurora.org, bryan.odonoghue@linaro.org Subject: [RESEND PATCH v2 7/7] usb: typec: qcom: Add a pm8150b TCPM driver Date: Thu, 28 Oct 2021 17:49:41 +0100 Message-Id: <20211028164941.831918-8-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211028164941.831918-1-bryan.odonoghue@linaro.org> References: <20211028164941.831918-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The PM8150b contains both a type-c controller and a power-delivery PHY. This driver binds both of those blocks together via a virtual TCPM driver. qcom-pmic-tcpm.c is responsible for registering with tcpm and wrappers calls into the type-c and pdphy drivers from tcpm. Its up to qcom-pmic-tcpm.c to wait for both qcom-pmic-pdphy.c and qcom-pmic-typec.c to probe before registering a type-c port qcom-pmic-pdphy.c implements a set functions that qcom-pmic-tcpm.c is responsible for interfacing with the pdphy hardware and processing power-delivery related calls from tcpm. qcom-pmic-typec.c implements a similar interface for the typec hardware interface and is responsible for notifying and processing type-c related calls from tcpm. In conjunction with appropriate entries in the platform dts we can establish a source or sink contract with a PD peer and indeed negotiate SBU alternative modes. This code provides all of the same functionality as the existing qcom typec driver plus power-delivery as well. As a result commit 6c8cf3695176 ("usb: typec: Add QCOM PMIC typec detection driver") can be deleted entirely. References code from Jonathan Marek, Jack Pham, Wesley Cheng, Hemant Kumar, Guru Das Srinagesh and Ashay Jaiswal. Signed-off-by: Bryan O'Donoghue Reported-by: kernel test robot --- MAINTAINERS | 8 + drivers/usb/typec/tcpm/Kconfig | 11 + drivers/usb/typec/tcpm/Makefile | 1 + drivers/usb/typec/tcpm/qcom/Makefile | 6 + .../usb/typec/tcpm/qcom/qcom_pmic_tcpm_core.c | 313 +++++++++ .../typec/tcpm/qcom/qcom_pmic_tcpm_pdphy.c | 606 +++++++++++++++++ .../typec/tcpm/qcom/qcom_pmic_tcpm_pdphy.h | 85 +++ .../typec/tcpm/qcom/qcom_pmic_tcpm_typec.c | 638 ++++++++++++++++++ .../typec/tcpm/qcom/qcom_pmic_tcpm_typec.h | 163 +++++ 9 files changed, 1831 insertions(+) create mode 100644 drivers/usb/typec/tcpm/qcom/Makefile create mode 100644 drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_core.c create mode 100644 drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_pdphy.c create mode 100644 drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_pdphy.h create mode 100644 drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_typec.c create mode 100644 drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_typec.h diff --git a/MAINTAINERS b/MAINTAINERS index 8d118d7957d26..8f6a3099e5665 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15597,6 +15597,14 @@ S: Maintained F: Documentation/devicetree/bindings/thermal/qcom-tsens.yaml F: drivers/thermal/qcom/ +QUALCOMM TYPEC PORT MANAGER DRIVER +M: Bryan O'Donoghue +L: linux-arm-msm@vger.kernel.org +L: linux-usb@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/usb/qcom,pmic-*.yaml +F: drivers/usb/typec/tcpm/qcom/ + QUALCOMM VENUS VIDEO ACCELERATOR DRIVER M: Stanimir Varbanov L: linux-media@vger.kernel.org diff --git a/drivers/usb/typec/tcpm/Kconfig b/drivers/usb/typec/tcpm/Kconfig index 557f392fe24da..e012d90b1dc8c 100644 --- a/drivers/usb/typec/tcpm/Kconfig +++ b/drivers/usb/typec/tcpm/Kconfig @@ -66,4 +66,15 @@ config TYPEC_WCOVE To compile this driver as module, choose M here: the module will be called typec_wcove.ko +config TYPEC_QCOM_PMIC + tristate "Qualcomm PMIC USB Type-C Port Controller Manager driver" + depends on ARCH_QCOM || COMPILE_TEST + help + A Type-C port and Power Delivery driver which aggregates two + discrete pieces of silicon in the PM8150b PMIC block: the + Type-C port controller and the Power Delivery PHY. + + This driver enables Type-C role switching, orientation, Alternate + mode and Power Delivery support both for VBUS and VCONN. + endif # TYPEC_TCPM diff --git a/drivers/usb/typec/tcpm/Makefile b/drivers/usb/typec/tcpm/Makefile index 7d499f3569fde..b7333e0243672 100644 --- a/drivers/usb/typec/tcpm/Makefile +++ b/drivers/usb/typec/tcpm/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_TYPEC_TCPCI) += tcpci.o obj-$(CONFIG_TYPEC_RT1711H) += tcpci_rt1711h.o obj-$(CONFIG_TYPEC_MT6360) += tcpci_mt6360.o obj-$(CONFIG_TYPEC_TCPCI_MAXIM) += tcpci_maxim.o +obj-$(CONFIG_TYPEC_QCOM_PMIC) += qcom/ diff --git a/drivers/usb/typec/tcpm/qcom/Makefile b/drivers/usb/typec/tcpm/qcom/Makefile new file mode 100644 index 0000000000000..b06dc116e21ef --- /dev/null +++ b/drivers/usb/typec/tcpm/qcom/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# +obj-$(CONFIG_TYPEC_QCOM_PMIC) += qcom_pmic_tcpm.o +qcom_pmic_tcpm-y += qcom_pmic_tcpm_core.o \ + qcom_pmic_tcpm_typec.o \ + qcom_pmic_tcpm_pdphy.o diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_core.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_core.c new file mode 100644 index 0000000000000..d633a49cc9360 --- /dev/null +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_core.c @@ -0,0 +1,313 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021, Linaro Ltd. All rights reserved. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "qcom_pmic_tcpm_pdphy.h" +#include "qcom_pmic_tcpm_typec.h" + +struct pmic_tcpm { + struct device *dev; + struct pmic_typec *pmic_typec; + struct pmic_pdphy *pmic_pdphy; + struct tcpm_port *tcpm_port; + struct tcpc_dev tcpc; + bool vbus_enabled; + struct mutex lock; /* VBUS state serialization */ +}; + +#define tcpc_to_tcpm(_tcpc_) container_of(_tcpc_, struct pmic_tcpm, tcpc) + +static int qcom_pmic_tcpm_core_get_vbus(struct tcpc_dev *tcpc) +{ + struct pmic_tcpm *tcpm = tcpc_to_tcpm(tcpc); + int ret; + + mutex_lock(&tcpm->lock); + ret = tcpm->vbus_enabled || qcom_pmic_tcpm_typec_get_vbus(tcpm->pmic_typec); + mutex_unlock(&tcpm->lock); + + return ret; +} + +static int qcom_pmic_tcpm_core_set_vbus(struct tcpc_dev *tcpc, bool on, + bool sink) +{ + struct pmic_tcpm *tcpm = tcpc_to_tcpm(tcpc); + int ret = 0; + + mutex_lock(&tcpm->lock); + if (tcpm->vbus_enabled == on) + goto done; + + ret = qcom_pmic_tcpm_typec_set_vbus(tcpm->pmic_typec, on); + if (ret) + goto done; + + tcpm->vbus_enabled = on; + tcpm_vbus_change(tcpm->tcpm_port); + +done: + dev_dbg(tcpm->dev, "set_vbus set: %d result %d\n", on, ret); + mutex_unlock(&tcpm->lock); + + return ret; +} + +static int qcom_pmic_tcpm_core_set_vconn(struct tcpc_dev *tcpc, bool on) +{ + struct pmic_tcpm *tcpm = tcpc_to_tcpm(tcpc); + + return qcom_pmic_tcpm_typec_set_vconn(tcpm->pmic_typec, on); +} + +static int qcom_pmic_tcpm_core_get_cc(struct tcpc_dev *tcpc, + enum typec_cc_status *cc1, + enum typec_cc_status *cc2) +{ + struct pmic_tcpm *tcpm = tcpc_to_tcpm(tcpc); + + return qcom_pmic_tcpm_typec_get_cc(tcpm->pmic_typec, cc1, cc2); +} + +static int qcom_pmic_tcpm_core_set_cc(struct tcpc_dev *tcpc, + enum typec_cc_status cc) +{ + struct pmic_tcpm *tcpm = tcpc_to_tcpm(tcpc); + + return qcom_pmic_tcpm_typec_set_cc(tcpm->pmic_typec, cc); +} + +static int qcom_pmic_tcpm_core_set_polarity(struct tcpc_dev *tcpc, + enum typec_cc_polarity pol) +{ + /* Polarity is set separately by phy-qcom-qmp.c */ + return 0; +} + +static int qcom_pmic_tcpm_core_start_toggling(struct tcpc_dev *tcpc, + enum typec_port_type port_type, + enum typec_cc_status cc) +{ + struct pmic_tcpm *tcpm = tcpc_to_tcpm(tcpc); + + return qcom_pmic_tcpm_typec_start_toggling(tcpm->pmic_typec, port_type, + cc); +} + +static int qcom_pmic_tcpm_core_set_roles(struct tcpc_dev *tcpc, bool attached, + enum typec_role power_role, + enum typec_data_role data_role) +{ + struct pmic_tcpm *tcpm = tcpc_to_tcpm(tcpc); + + return qcom_pmic_tcpm_pdphy_set_roles(tcpm->pmic_pdphy, data_role, + power_role); +} + +static int qcom_pmic_tcpm_core_set_pd_rx(struct tcpc_dev *tcpc, bool on) +{ + struct pmic_tcpm *tcpm = tcpc_to_tcpm(tcpc); + + return qcom_pmic_tcpm_pdphy_set_pd_rx(tcpm->pmic_pdphy, on); +} + +static int qcom_pmic_tcpm_core_pd_transmit(struct tcpc_dev *tcpc, + enum tcpm_transmit_type type, + const struct pd_message *msg, + unsigned int negotiated_rev) +{ + struct pmic_tcpm *tcpm = tcpc_to_tcpm(tcpc); + + return qcom_pmic_tcpm_pdphy_pd_transmit(tcpm->pmic_pdphy, type, msg, + negotiated_rev); +} + +static struct platform_device +*qcom_pmic_tcpm_core_get_endpoint(struct device *dev, u32 port, u32 endpoint) +{ + struct device_node *remote; + struct platform_device *pdev; + + remote = of_graph_get_remote_node(dev->of_node, port, endpoint); + if (!remote) { + dev_err(dev, "Remote endpoint %d not found\n", endpoint); + return ERR_PTR(-ENODEV); + } + + pdev = of_find_device_by_node(remote); + of_node_put(remote); + + if (pdev) + return pdev; + + return ERR_PTR(-ENODEV); +} + +static int qcom_pmic_tcpm_core_init(struct tcpc_dev *tcpc) +{ + return 0; +} + +static int qcom_pmic_tcpm_core_probe(struct platform_device *pdev) +{ + struct pmic_tcpm *tcpm; + struct device *dev = &pdev->dev; + struct platform_device *typec_pdev; + struct platform_device *pdphy_pdev; + int ret; + + tcpm = devm_kzalloc(dev, sizeof(*tcpm), GFP_KERNEL); + if (!tcpm) + return -ENOMEM; + + tcpm->dev = dev; + tcpm->tcpc.init = qcom_pmic_tcpm_core_init; + tcpm->tcpc.get_vbus = qcom_pmic_tcpm_core_get_vbus; + tcpm->tcpc.set_vbus = qcom_pmic_tcpm_core_set_vbus; + tcpm->tcpc.set_cc = qcom_pmic_tcpm_core_set_cc; + tcpm->tcpc.get_cc = qcom_pmic_tcpm_core_get_cc; + tcpm->tcpc.set_polarity = qcom_pmic_tcpm_core_set_polarity; + tcpm->tcpc.set_vconn = qcom_pmic_tcpm_core_set_vconn; + tcpm->tcpc.start_toggling = qcom_pmic_tcpm_core_start_toggling; + tcpm->tcpc.set_pd_rx = qcom_pmic_tcpm_core_set_pd_rx; + tcpm->tcpc.set_roles = qcom_pmic_tcpm_core_set_roles; + tcpm->tcpc.pd_transmit = qcom_pmic_tcpm_core_pd_transmit; + + mutex_init(&tcpm->lock); + platform_set_drvdata(pdev, tcpm); + + typec_pdev = qcom_pmic_tcpm_core_get_endpoint(dev, 0, -1); + if (IS_ERR(typec_pdev)) { + dev_err(dev, "Error linking typec endpoint\n"); + return PTR_ERR(typec_pdev); + } + + tcpm->pmic_typec = platform_get_drvdata(typec_pdev); + if (!tcpm->pmic_typec) { + ret = -EPROBE_DEFER; + goto put_typec_pdev; + } + + pdphy_pdev = qcom_pmic_tcpm_core_get_endpoint(dev, 1, -1); + if (IS_ERR(pdphy_pdev)) { + dev_err(dev, "Error linking pdphy endpoint\n"); + ret = PTR_ERR(pdphy_pdev); + goto put_typec_pdev; + } + + tcpm->pmic_pdphy = platform_get_drvdata(pdphy_pdev); + if (!tcpm->pmic_pdphy) { + ret = -EPROBE_DEFER; + goto put_pdphy_dev; + } + + tcpm->tcpc.fwnode = device_get_named_child_node(tcpm->dev, "connector"); + if (IS_ERR(tcpm->tcpc.fwnode)) + return PTR_ERR(tcpm->tcpc.fwnode); + + tcpm->tcpm_port = tcpm_register_port(tcpm->dev, &tcpm->tcpc); + if (IS_ERR(tcpm->tcpm_port)) { + ret = PTR_ERR(tcpm->tcpm_port); + goto fwnode_remove; + } + + ret = qcom_pmic_tcpm_pdphy_init(tcpm->pmic_pdphy, tcpm->tcpm_port); + if (ret) + goto fwnode_remove; + + ret = qcom_pmic_tcpm_typec_init(tcpm->pmic_typec, tcpm->tcpm_port); + if (ret) + goto fwnode_remove; + + return 0; + +fwnode_remove: + fwnode_remove_software_node(tcpm->tcpc.fwnode); + +put_pdphy_dev: + put_device(&pdphy_pdev->dev); + +put_typec_pdev: + put_device(&typec_pdev->dev); + + return ret; +} + +static int qcom_pmic_tcpm_core_remove(struct platform_device *pdev) +{ + struct pmic_tcpm *tcpm = platform_get_drvdata(pdev); + + tcpm_unregister_port(tcpm->tcpm_port); + fwnode_remove_software_node(tcpm->tcpc.fwnode); + qcom_pmic_tcpm_pdphy_put(tcpm->pmic_pdphy); + qcom_pmic_tcpm_typec_put(tcpm->pmic_typec); + + return 0; +} + +static const struct of_device_id qcom_pmic_tcpm_core_table[] = { + { .compatible = "qcom,pmic-tcpm" }, + { } +}; +MODULE_DEVICE_TABLE(of, qcom_pmic_tcpm_core_table); + +static struct platform_driver qcom_pmic_tcpm_core_platform_driver = { + .driver = { + .name = "qcom,pmic-tcpm", + .of_match_table = qcom_pmic_tcpm_core_table, + }, + .probe = qcom_pmic_tcpm_core_probe, + .remove = qcom_pmic_tcpm_core_remove, +}; + +static int __init qcom_pmic_tcpm_core_module_init(void) +{ + int ret; + + ret = platform_driver_register(&qcom_pmic_tcpm_typec_platform_driver); + if (ret) + return ret; + + ret = platform_driver_register(&qcom_pmic_tcpm_pdphy_platform_driver); + if (ret) + goto unregister_typec; + + ret = platform_driver_register(&qcom_pmic_tcpm_core_platform_driver); + if (ret) + goto unregister_pdphy; + + return 0; + +unregister_pdphy: + platform_driver_unregister(&qcom_pmic_tcpm_pdphy_platform_driver); + +unregister_typec: + platform_driver_unregister(&qcom_pmic_tcpm_typec_platform_driver); + + return ret; +} +module_init(qcom_pmic_tcpm_core_module_init); + +static void __exit qcom_pmic_tcpm_core_module_exit(void) +{ + platform_driver_unregister(&qcom_pmic_tcpm_core_platform_driver); + platform_driver_unregister(&qcom_pmic_tcpm_pdphy_platform_driver); + platform_driver_unregister(&qcom_pmic_tcpm_typec_platform_driver); +} +module_exit(qcom_pmic_tcpm_core_module_exit); + +MODULE_DESCRIPTION("QCOM PMIC USB Type-C Port Manager Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_pdphy.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_pdphy.c new file mode 100644 index 0000000000000..64821ad3fd345 --- /dev/null +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_pdphy.c @@ -0,0 +1,606 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021, Linaro Ltd. All rights reserved. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "qcom_pmic_tcpm_pdphy.h" + +#define PMIC_PDPHY_MAX_IRQS 0x08 + +struct pmic_pdphy_irq_params { + int virq; + char *irq_name; +}; + +struct pmic_pdphy_resources { + unsigned int nr_irqs; + struct pmic_pdphy_irq_params irq_params[PMIC_PDPHY_MAX_IRQS]; +}; + +struct pmic_pdphy_irq_data { + int virq; + int irq; + struct pmic_pdphy *pmic_pdphy; +}; + +struct pmic_pdphy { + struct device *dev; + struct tcpm_port *tcpm_port; + struct regmap *regmap; + u32 base; + + unsigned int nr_irqs; + struct pmic_pdphy_irq_data *irq_data; + + struct work_struct reset_work; + struct work_struct receive_work; + struct regulator *vdd_pdphy; + spinlock_t lock; /* Register atomicity */ +}; + +static void qcom_pmic_tcpm_pdphy_reset_on(struct pmic_pdphy *pmic_pdphy) +{ + struct device *dev = pmic_pdphy->dev; + int ret; + + /* Terminate TX */ + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_TX_CONTROL_REG, 0); + if (ret) + goto err; + + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_FRAME_FILTER_REG, 0); + if (ret) + goto err; + + return; +err: + dev_err(dev, "pd_reset_on error\n"); +} + +static void qcom_pmic_tcpm_pdphy_reset_off(struct pmic_pdphy *pmic_pdphy) +{ + struct device *dev = pmic_pdphy->dev; + int ret; + + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_FRAME_FILTER_REG, + FRAME_FILTER_EN_SOP | FRAME_FILTER_EN_HARD_RESET); + if (ret) + dev_err(dev, "pd_reset_off error\n"); + + return; +} + +static void qcom_pmic_tcpm_pdphy_sig_reset_work(struct work_struct *work) +{ + struct pmic_pdphy *pmic_pdphy = container_of(work, struct pmic_pdphy, + reset_work); + unsigned long flags; + + spin_lock_irqsave(&pmic_pdphy->lock, flags); + + qcom_pmic_tcpm_pdphy_reset_on(pmic_pdphy); + qcom_pmic_tcpm_pdphy_reset_off(pmic_pdphy); + + spin_unlock_irqrestore(&pmic_pdphy->lock, flags); + + tcpm_pd_hard_reset(pmic_pdphy->tcpm_port); +} + +static int +qcom_pmic_tcpm_pdphy_clear_tx_control_reg(struct pmic_pdphy *pmic_pdphy) +{ + struct device *dev = pmic_pdphy->dev; + unsigned int val; + int ret; + + /* Clear TX control register */ + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_TX_CONTROL_REG, 0); + if (ret) + goto done; + + /* Perform readback to ensure sufficient delay for command to latch */ + ret = regmap_read(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_TX_CONTROL_REG, &val); + +done: + if (ret) + dev_err(dev, "pd_clear_tx_control_reg: clear tx flag\n"); + + return ret; +} + +static int +qcom_pmic_tcpm_pdphy_pd_transmit_signal(struct pmic_pdphy *pmic_pdphy, + enum tcpm_transmit_type type, + unsigned int negotiated_rev) +{ + struct device *dev = pmic_pdphy->dev; + unsigned int val; + unsigned long flags; + int ret; + + spin_lock_irqsave(&pmic_pdphy->lock, flags); + + /* Clear TX control register */ + ret = qcom_pmic_tcpm_pdphy_clear_tx_control_reg(pmic_pdphy); + if (ret) + goto done; + + val = TX_CONTROL_SEND_SIGNAL; + if (negotiated_rev == PD_REV30) + val |= TX_CONTROL_RETRY_COUNT(2); + else + val |= TX_CONTROL_RETRY_COUNT(3); + + if (type == TCPC_TX_CABLE_RESET || type == TCPC_TX_HARD_RESET) + val |= TX_CONTROL_FRAME_TYPE(1); + + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_TX_CONTROL_REG, val); + +done: + spin_unlock_irqrestore(&pmic_pdphy->lock, flags); + + dev_vdbg(dev, "pd_transmit_signal: type %d negotiate_rev %d send %d\n", + type, negotiated_rev, ret); + + return ret; +} + +static int +qcom_pmic_tcpm_pdphy_pd_transmit_payload(struct pmic_pdphy *pmic_pdphy, + enum tcpm_transmit_type type, + const struct pd_message *msg, + unsigned int negotiated_rev) +{ + struct device *dev = pmic_pdphy->dev; + unsigned int val, hdr_len, txbuf_len, txsize_len; + unsigned long flags; + int ret; + + spin_lock_irqsave(&pmic_pdphy->lock, flags); + + ret = regmap_read(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_RX_ACKNOWLEDGE_REG, + &val); + if (ret) + goto done; + + if (val) { + dev_err(dev, "pd_transmit_payload: RX message pending\n"); + ret = -EBUSY; + goto done; + } + + /* Clear TX control register */ + ret = qcom_pmic_tcpm_pdphy_clear_tx_control_reg(pmic_pdphy); + if (ret) + goto done; + + hdr_len = sizeof(msg->header); + txbuf_len = pd_header_cnt_le(msg->header) * 4; + txsize_len = hdr_len + txbuf_len - 1; + + /* Write message header sizeof(u16) to USB_PDPHY_TX_BUFFER_HDR_REG */ + ret = regmap_bulk_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_TX_BUFFER_HDR_REG, + &msg->header, hdr_len); + if (ret) + goto done; + + /* Write payload to USB_PDPHY_TX_BUFFER_DATA_REG for txbuf_len */ + if (txbuf_len) { + ret = regmap_bulk_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_TX_BUFFER_DATA_REG, + &msg->payload, txbuf_len); + if (ret) + goto done; + } + + /* Write total length ((header + data) - 1) to USB_PDPHY_TX_SIZE_REG */ + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_TX_SIZE_REG, + txsize_len); + if (ret) + goto done; + + /* Clear TX control register */ + ret = qcom_pmic_tcpm_pdphy_clear_tx_control_reg(pmic_pdphy); + if (ret) + goto done; + + /* Initiate transmit with retry count as indicated by PD revision */ + val = TX_CONTROL_FRAME_TYPE(type) | TX_CONTROL_SEND_MSG; + if (pd_header_rev(msg->header) == PD_REV30) + val |= TX_CONTROL_RETRY_COUNT(2); + else + val |= TX_CONTROL_RETRY_COUNT(3); + + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_TX_CONTROL_REG, val); + +done: + spin_unlock_irqrestore(&pmic_pdphy->lock, flags); + + if (ret) { + dev_err(dev, "pd_transmit_payload: %d hdr %*ph data %*ph ret %d\n", + ret, hdr_len, &msg->header, txbuf_len, &msg->payload, ret); + } + + return ret; +} + +int qcom_pmic_tcpm_pdphy_pd_transmit(struct pmic_pdphy *pmic_pdphy, + enum tcpm_transmit_type type, + const struct pd_message *msg, + unsigned int negotiated_rev) +{ + struct device *dev = pmic_pdphy->dev; + int ret; + + if (msg) { + ret = qcom_pmic_tcpm_pdphy_pd_transmit_payload(pmic_pdphy, type, + msg, + negotiated_rev); + } else { + ret = qcom_pmic_tcpm_pdphy_pd_transmit_signal(pmic_pdphy, type, + negotiated_rev); + } + + if (ret) + dev_dbg(dev, "pd_transmit: type %x result %d\n", type, ret); + + return ret; +} + +static void qcom_pmic_tcpm_pdphy_pd_receive(struct pmic_pdphy *pmic_pdphy) +{ + struct device *dev = pmic_pdphy->dev; + struct pd_message msg; + unsigned int size, rx_status; + unsigned long flags; + int ret; + + spin_lock_irqsave(&pmic_pdphy->lock, flags); + + ret = regmap_read(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_RX_SIZE_REG, &size); + if (ret) + goto done; + + /* If we received a subsequent RX sig this value can be zero */ + if ((size < 1 || size > sizeof(msg.payload))) { + dev_dbg(dev, "pd_receive: invalid size %d\n", size); + goto done; + } + + size += 1; + ret = regmap_read(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_RX_STATUS_REG, + &rx_status); + + if (ret) + goto done; + + ret = regmap_bulk_read(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_RX_BUFFER_REG, + (u8 *)&msg, size); + if (ret) + goto done; + + /* Return ownership of RX buffer to hardware */ + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_RX_ACKNOWLEDGE_REG, 0); + +done: + spin_unlock_irqrestore(&pmic_pdphy->lock, flags); + + if (!ret) { + dev_vdbg(dev, "pd_receive: handing %d bytes to tcpm\n", size); + tcpm_pd_receive(pmic_pdphy->tcpm_port, &msg); + } +} + +static irqreturn_t qcom_pmic_tcpm_pdphy_isr(int irq, void *dev_id) +{ + struct pmic_pdphy_irq_data *irq_data = dev_id; + struct pmic_pdphy *pmic_pdphy = irq_data->pmic_pdphy; + struct device *dev = pmic_pdphy->dev; + + switch (irq_data->virq) { + case PMIC_PDPHY_SIG_TX_IRQ: + dev_err(dev, "isr: tx_sig\n"); + break; + case PMIC_PDPHY_SIG_RX_IRQ: + schedule_work(&pmic_pdphy->reset_work); + break; + case PMIC_PDPHY_MSG_TX_IRQ: + tcpm_pd_transmit_complete(pmic_pdphy->tcpm_port, + TCPC_TX_SUCCESS); + break; + case PMIC_PDPHY_MSG_RX_IRQ: + qcom_pmic_tcpm_pdphy_pd_receive(pmic_pdphy); + break; + case PMIC_PDPHY_MSG_TX_FAIL_IRQ: + tcpm_pd_transmit_complete(pmic_pdphy->tcpm_port, + TCPC_TX_FAILED); + break; + case PMIC_PDPHY_MSG_TX_DISCARD_IRQ: + tcpm_pd_transmit_complete(pmic_pdphy->tcpm_port, + TCPC_TX_DISCARDED); + break; + } + + return IRQ_HANDLED; +} + +int qcom_pmic_tcpm_pdphy_set_pd_rx(struct pmic_pdphy *pmic_pdphy, bool on) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&pmic_pdphy->lock, flags); + + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_RX_ACKNOWLEDGE_REG, !on); + + spin_unlock_irqrestore(&pmic_pdphy->lock, flags); + + dev_dbg(pmic_pdphy->dev, "set_pd_rx: %s\n", on ? "on" : "off"); + + return ret; +} + +int qcom_pmic_tcpm_pdphy_set_roles(struct pmic_pdphy *pmic_pdphy, + bool data_role_host, bool power_role_src) +{ + struct device *dev = pmic_pdphy->dev; + unsigned long flags; + int ret; + + spin_lock_irqsave(&pmic_pdphy->lock, flags); + + ret = regmap_update_bits(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_MSG_CONFIG_REG, + MSG_CONFIG_PORT_DATA_ROLE | + MSG_CONFIG_PORT_POWER_ROLE, + data_role_host << 3 | power_role_src << 2); + + spin_unlock_irqrestore(&pmic_pdphy->lock, flags); + + dev_dbg(dev, "pdphy_set_roles: data_role_host=%d power_role_src=%d\n", + data_role_host, power_role_src); + + return ret; +} + +static int qcom_pmic_tcpm_pdphy_enable(struct pmic_pdphy *pmic_pdphy) +{ + struct device *dev = pmic_pdphy->dev; + int ret; + + ret = regulator_enable(pmic_pdphy->vdd_pdphy); + if (ret) + return ret; + + /* PD 2.0, DR=TYPEC_DEVICE, PR=TYPEC_SINK */ + ret = regmap_update_bits(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_MSG_CONFIG_REG, + MSG_CONFIG_SPEC_REV_MASK, PD_REV20); + if (ret) + goto done; + + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_EN_CONTROL_REG, 0); + if (ret) + goto done; + + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_EN_CONTROL_REG, + CONTROL_ENABLE); + if (ret) + goto done; + + qcom_pmic_tcpm_pdphy_reset_off(pmic_pdphy); +done: + if (ret) + dev_err(dev, "pdphy_enable fail %d\n", ret); + + return ret; +} + +static int qcom_pmic_tcpm_pdphy_disable(struct pmic_pdphy *pmic_pdphy) +{ + struct device *dev = pmic_pdphy->dev; + int ret; + + qcom_pmic_tcpm_pdphy_reset_on(pmic_pdphy); + + ret = regmap_write(pmic_pdphy->regmap, + pmic_pdphy->base + USB_PDPHY_EN_CONTROL_REG, 0); + + regulator_disable(pmic_pdphy->vdd_pdphy); + + return ret; +} + +static int pmic_pdphy_reset(struct pmic_pdphy *pmic_pdphy) +{ + int ret; + + ret = qcom_pmic_tcpm_pdphy_disable(pmic_pdphy); + if (ret) + goto done; + + usleep_range(400, 500); + ret = qcom_pmic_tcpm_pdphy_enable(pmic_pdphy); +done: + return ret; +} + +int qcom_pmic_tcpm_pdphy_init(struct pmic_pdphy *pmic_pdphy, + struct tcpm_port *tcpm_port) +{ + int i; + int ret; + + pmic_pdphy->tcpm_port = tcpm_port; + + ret = pmic_pdphy_reset(pmic_pdphy); + if (ret) + return ret; + + for (i = 0; i < pmic_pdphy->nr_irqs; i++) + enable_irq(pmic_pdphy->irq_data[i].irq); + + return 0; +} + +void qcom_pmic_tcpm_pdphy_put(struct pmic_pdphy *pmic_pdphy) +{ + put_device(pmic_pdphy->dev); +} + +static int qcom_pmic_tcpm_pdphy_probe(struct platform_device *pdev) +{ + struct pmic_pdphy *pmic_pdphy; + struct device *dev = &pdev->dev; + const struct pmic_pdphy_resources *res; + struct pmic_pdphy_irq_data *irq_data; + int i, ret, irq; + u32 reg; + + ret = device_property_read_u32(dev, "reg", ®); + if (ret < 0) { + dev_err(dev, "missing base address\n"); + return ret; + } + + res = of_device_get_match_data(dev); + if (!res) + return -ENODEV; + + if (!res->nr_irqs || res->nr_irqs > PMIC_PDPHY_MAX_IRQS) + return -EINVAL; + + pmic_pdphy = devm_kzalloc(dev, sizeof(*pmic_pdphy), GFP_KERNEL); + if (!pmic_pdphy) + return -ENOMEM; + + irq_data = devm_kzalloc(dev, sizeof(*irq_data) * res->nr_irqs, + GFP_KERNEL); + if (!irq_data) + return -ENOMEM; + + pmic_pdphy->dev = dev; + pmic_pdphy->base = reg; + pmic_pdphy->nr_irqs = res->nr_irqs; + pmic_pdphy->irq_data = irq_data; + spin_lock_init(&pmic_pdphy->lock); + INIT_WORK(&pmic_pdphy->reset_work, qcom_pmic_tcpm_pdphy_sig_reset_work); + + pmic_pdphy->regmap = dev_get_regmap(dev->parent, NULL); + if (!pmic_pdphy->regmap) { + dev_err(dev, "Failed to get regmap\n"); + return -ENODEV; + } + + pmic_pdphy->vdd_pdphy = devm_regulator_get(dev, "vdd-pdphy"); + if (IS_ERR(pmic_pdphy->vdd_pdphy)) + return PTR_ERR(pmic_pdphy->vdd_pdphy); + + platform_set_drvdata(pdev, pmic_pdphy); + for (i = 0; i < res->nr_irqs; i++, irq_data++) { + irq = platform_get_irq_byname(pdev, res->irq_params[i].irq_name); + if (irq < 0) + return irq; + + irq_data->pmic_pdphy = pmic_pdphy; + irq_data->irq = irq; + irq_data->virq = res->irq_params[i].virq; + + ret = devm_request_threaded_irq(dev, irq, NULL, + qcom_pmic_tcpm_pdphy_isr, + IRQF_ONESHOT | IRQF_NO_AUTOEN, + res->irq_params[i].irq_name, + irq_data); + if (ret) + return ret; + } + return 0; +} + +static int qcom_pmic_tcpm_pdphy_remove(struct platform_device *pdev) +{ + struct pmic_pdphy *pmic_pdphy = platform_get_drvdata(pdev); + + qcom_pmic_tcpm_pdphy_reset_on(pmic_pdphy); + + return 0; +} + +static struct pmic_pdphy_resources pm8150b_pdphy_res = { + .irq_params = { + { + .virq = PMIC_PDPHY_SIG_TX_IRQ, + .irq_name = "pmic-pdphy-sig-tx", + }, + { + .virq = PMIC_PDPHY_SIG_RX_IRQ, + .irq_name = "pmic-pdphy-sig-rx", + }, + { + .virq = PMIC_PDPHY_MSG_TX_IRQ, + .irq_name = "pmic-pdphy-msg-tx", + }, + { + .virq = PMIC_PDPHY_MSG_RX_IRQ, + .irq_name = "pmic-pdphy-msg-rx", + }, + { + .virq = PMIC_PDPHY_MSG_TX_FAIL_IRQ, + .irq_name = "pmic-pdphy-msg-tx-failed", + }, + { + .virq = PMIC_PDPHY_MSG_TX_DISCARD_IRQ, + .irq_name = "pmic-pdphy-msg-tx-discarded", + }, + { + .virq = PMIC_PDPHY_MSG_RX_DISCARD_IRQ, + .irq_name = "pmic-pdphy-msg-rx-discarded", + }, + }, + .nr_irqs = 7, +}; + +static const struct of_device_id qcom_pmic_tcpm_pdphy_table[] = { + { .compatible = "qcom,pm8150b-pdphy", .data = &pm8150b_pdphy_res }, + { }, +}; +MODULE_DEVICE_TABLE(of, qcom_pmic_tcpm_pdphy_table); + +struct platform_driver qcom_pmic_tcpm_pdphy_platform_driver = { + .driver = { + .name = "qcom,pmic-usb-pdphy", + .of_match_table = qcom_pmic_tcpm_pdphy_table, + }, + .probe = qcom_pmic_tcpm_pdphy_probe, + .remove = qcom_pmic_tcpm_pdphy_remove, +}; diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_pdphy.h b/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_pdphy.h new file mode 100644 index 0000000000000..9f712a88024b7 --- /dev/null +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_pdphy.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + * Copyright (c) 2021, Linaro Ltd. All rights reserved. + */ +#ifndef __QCOM_PMIC_PDPHY_H__ +#define __QCOM_PMIC_PDPHY_H__ + +#define USB_PDPHY_MAX_DATA_OBJ_LEN 28 +#define USB_PDPHY_MSG_HDR_LEN 2 + +/* PD PHY register offsets and bit fields */ +#define USB_PDPHY_MSG_CONFIG_REG 0x40 +#define MSG_CONFIG_PORT_DATA_ROLE BIT(3) +#define MSG_CONFIG_PORT_POWER_ROLE BIT(2) +#define MSG_CONFIG_SPEC_REV_MASK (BIT(1) | BIT(0)) + +#define USB_PDPHY_EN_CONTROL_REG 0x46 +#define CONTROL_ENABLE BIT(0) + +#define USB_PDPHY_RX_STATUS_REG 0x4A +#define RX_FRAME_TYPE (BIT(0) | BIT(1) | BIT(2)) + +#define USB_PDPHY_FRAME_FILTER_REG 0x4C +#define FRAME_FILTER_EN_HARD_RESET BIT(5) +#define FRAME_FILTER_EN_SOP BIT(0) + +#define USB_PDPHY_TX_SIZE_REG 0x42 +#define TX_SIZE_MASK 0xF + +#define USB_PDPHY_TX_CONTROL_REG 0x44 +#define TX_CONTROL_RETRY_COUNT(n) (((n) & 0x3) << 5) +#define TX_CONTROL_FRAME_TYPE(n) (((n) & 0x7) << 2) +#define TX_CONTROL_FRAME_TYPE_CABLE_RESET (0x1 << 2) +#define TX_CONTROL_SEND_SIGNAL BIT(1) +#define TX_CONTROL_SEND_MSG BIT(0) + +#define USB_PDPHY_RX_SIZE_REG 0x48 + +#define USB_PDPHY_RX_ACKNOWLEDGE_REG 0x4B +#define RX_BUFFER_TOKEN BIT(0) + +#define USB_PDPHY_BIST_MODE_REG 0x4E +#define BIST_MODE_MASK 0xF +#define BIST_ENABLE BIT(7) +#define PD_MSG_BIST 0x3 +#define PD_BIST_TEST_DATA_MODE 0x8 + +#define USB_PDPHY_TX_BUFFER_HDR_REG 0x60 +#define USB_PDPHY_TX_BUFFER_DATA_REG 0x62 + +#define USB_PDPHY_RX_BUFFER_REG 0x80 + +/* VDD regulator */ +#define VDD_PDPHY_VOL_MIN 2800000 /* uV */ +#define VDD_PDPHY_VOL_MAX 3300000 /* uV */ +#define VDD_PDPHY_HPM_LOAD 3000 /* uA */ + +/* Message Spec Rev field */ +#define PD_MSG_HDR_REV(hdr) (((hdr) >> 6) & 3) + +/* timers */ +#define RECEIVER_RESPONSE_TIME 15 /* tReceiverResponse */ +#define HARD_RESET_COMPLETE_TIME 5 /* tHardResetComplete */ + +struct pmic_pdphy; +extern struct platform_driver qcom_pmic_tcpm_pdphy_platform_driver; + +int qcom_pmic_tcpm_pdphy_init(struct pmic_pdphy *pmic_pdphy, + struct tcpm_port *tcpm_port); + +void qcom_pmic_tcpm_pdphy_put(struct pmic_pdphy *pmic_pdphy); + +int qcom_pmic_tcpm_pdphy_set_roles(struct pmic_pdphy *pmic_pdphy, + bool power_role_src, + bool data_role_host); + +int qcom_pmic_tcpm_pdphy_set_pd_rx(struct pmic_pdphy *pmic_pdphy, bool on); + +int qcom_pmic_tcpm_pdphy_pd_transmit(struct pmic_pdphy *pmic_pdphy, + enum tcpm_transmit_type type, + const struct pd_message *msg, + unsigned int negotiated_rev); + +#endif /* __QCOM_PMIC_PDPHY_H__ */ diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_typec.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_typec.c new file mode 100644 index 0000000000000..f72656a0fbc79 --- /dev/null +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_typec.c @@ -0,0 +1,638 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021, Linaro Ltd. All rights reserved. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "qcom_pmic_tcpm_typec.h" + +#define PMIC_TYPEC_MAX_IRQS 0x08 + +struct pmic_typec_irq_params { + int virq; + char *irq_name; +}; + +struct pmic_typec_resources { + unsigned int nr_irqs; + struct pmic_typec_irq_params irq_params[PMIC_TYPEC_MAX_IRQS]; +}; + +struct pmic_typec_irq_data { + int virq; + int irq; + struct pmic_typec *pmic_typec; +}; + +struct pmic_typec { + struct device *dev; + struct tcpm_port *tcpm_port; + struct regmap *regmap; + u32 base; + unsigned int nr_irqs; + struct pmic_typec_irq_data *irq_data; + + struct regulator *vdd_vbus; + + int cc; + bool debouncing_cc; + struct delayed_work cc_debounce_dwork; + + spinlock_t lock; /* Register atomicity */ +}; + +static const char * const typec_cc_status_name[] = { + [TYPEC_CC_OPEN] = "Open", + [TYPEC_CC_RA] = "Ra", + [TYPEC_CC_RD] = "Rd", + [TYPEC_CC_RP_DEF] = "Rp-def", + [TYPEC_CC_RP_1_5] = "Rp-1.5", + [TYPEC_CC_RP_3_0] = "Rp-3.0", +}; + +static const char *rp_unknown = "unknown"; + +static const char *cc_to_name(enum typec_cc_status cc) +{ + if (cc > TYPEC_CC_RP_3_0) + return rp_unknown; + + return typec_cc_status_name[cc]; +} + +static const char * const rp_sel_name[] = { + [TYPEC_SRC_RP_SEL_80UA] = "Rp-def-80uA", + [TYPEC_SRC_RP_SEL_180UA] = "Rp-1.5-180uA", + [TYPEC_SRC_RP_SEL_330UA] = "Rp-3.0-330uA", +}; + +static const char *rp_sel_to_name(int rp_sel) +{ + if (rp_sel > TYPEC_SRC_RP_SEL_330UA) + return rp_unknown; + + return rp_sel_name[rp_sel]; +} + +#define misc_to_cc(msic) !!(misc & CC_ORIENTATION) ? "cc1" : "cc2" +#define misc_to_vconn(msic) !!(misc & CC_ORIENTATION) ? "cc2" : "cc1" + +static void qcom_pmic_tcpm_typec_cc_debounce(struct work_struct *work) +{ + struct pmic_typec *pmic_typec = + container_of(work, struct pmic_typec, cc_debounce_dwork.work); + unsigned long flags; + + spin_lock_irqsave(&pmic_typec->lock, flags); + pmic_typec->debouncing_cc = false; + spin_unlock_irqrestore(&pmic_typec->lock, flags); + + dev_dbg(pmic_typec->dev, "Debounce cc complete\n"); +} + +static irqreturn_t pmic_typec_isr(int irq, void *dev_id) +{ + struct pmic_typec_irq_data *irq_data = dev_id; + struct pmic_typec *pmic_typec = irq_data->pmic_typec; + u32 misc_stat; + bool vbus_change = false; + bool cc_change = false; + unsigned long flags; + int ret; + + spin_lock_irqsave(&pmic_typec->lock, flags); + + ret = regmap_read(pmic_typec->regmap, + pmic_typec->base + TYPEC_MISC_STATUS_REG, + &misc_stat); + if (ret) + goto done; + + switch (irq_data->virq) { + case PMIC_TYPEC_VBUS_IRQ: + /* Incoming vbus assert/de-assert detect */ + vbus_change = true; + break; + case PMIC_TYPEC_CC_STATE_IRQ: + if (!pmic_typec->debouncing_cc) + cc_change = true; + break; + case PMIC_TYPEC_ATTACH_DETACH_IRQ: + if (!pmic_typec->debouncing_cc) + cc_change = true; + break; + } + +done: + spin_unlock_irqrestore(&pmic_typec->lock, flags); + + if (vbus_change) + tcpm_vbus_change(pmic_typec->tcpm_port); + + if (cc_change) + tcpm_cc_change(pmic_typec->tcpm_port); + + return IRQ_HANDLED; +} + +int qcom_pmic_tcpm_typec_get_vbus(struct pmic_typec *pmic_typec) +{ + struct device *dev = pmic_typec->dev; + unsigned int misc; + int ret; + + ret = regmap_read(pmic_typec->regmap, + pmic_typec->base + TYPEC_MISC_STATUS_REG, + &misc); + if (ret) + misc = 0; + + dev_dbg(dev, "get_vbus: 0x%08x detect %d\n", misc, !!(misc & TYPEC_VBUS_DETECT)); + + return !!(misc & TYPEC_VBUS_DETECT); +} + +int qcom_pmic_tcpm_typec_set_vbus(struct pmic_typec *pmic_typec, bool on) +{ + u32 sm_stat; + u32 val; + int ret; + + if (on) { + ret = regulator_enable(pmic_typec->vdd_vbus); + if (ret) + return ret; + + val = TYPEC_SM_VBUS_VSAFE5V; + } else { + ret = regulator_disable(pmic_typec->vdd_vbus); + if (ret) + return ret; + + val = TYPEC_SM_VBUS_VSAFE0V; + } + + /* Poll waiting for transition to required vSafe5V or vSafe0V */ + ret = regmap_read_poll_timeout(pmic_typec->regmap, + pmic_typec->base + TYPEC_SM_STATUS_REG, + sm_stat, sm_stat & val, + 100, 250000); + if (ret) + dev_err(pmic_typec->dev, "vbus vsafe%dv fail\n", on ? 5 : 0); + + return ret; +} + +int qcom_pmic_tcpm_typec_get_cc(struct pmic_typec *pmic_typec, + enum typec_cc_status *cc1, + enum typec_cc_status *cc2) +{ + struct device *dev = pmic_typec->dev; + unsigned int misc, val; + bool attached, debounced; + int ret = 0; + + ret = regmap_read(pmic_typec->regmap, + pmic_typec->base + TYPEC_MISC_STATUS_REG, &misc); + if (ret) + goto done; + + attached = !!(misc & CC_ATTACHED); + debounced = !!(misc & TYPEC_DEBOUNCE_DONE); + + if (pmic_typec->debouncing_cc) { + ret = -EBUSY; + goto done; + } + + *cc1 = TYPEC_CC_OPEN; + *cc2 = TYPEC_CC_OPEN; + + if (!(attached)) + goto done; + + if (misc & SNK_SRC_MODE) { + ret = regmap_read(pmic_typec->regmap, + pmic_typec->base + TYPEC_SRC_STATUS_REG, + &val); + if (ret) + goto done; + switch (val & DETECTED_SRC_TYPE_MASK) { + case SRC_RD_OPEN: + val = TYPEC_CC_RD; + break; + case SRC_RD_RA_VCONN: + val = TYPEC_CC_RD; + *cc1 = TYPEC_CC_RA; + *cc2 = TYPEC_CC_RA; + break; + default: + dev_warn(dev, "unexpected src status %.2x\n", val); + val = TYPEC_CC_RD; + break; + } + } else { + ret = regmap_read(pmic_typec->regmap, + pmic_typec->base + TYPEC_SNK_STATUS_REG, + &val); + if (ret) + goto done; + switch (val & DETECTED_SNK_TYPE_MASK) { + case SNK_RP_STD: + val = TYPEC_CC_RP_DEF; + break; + case SNK_RP_1P5: + val = TYPEC_CC_RP_1_5; + break; + case SNK_RP_3P0: + val = TYPEC_CC_RP_3_0; + break; + default: + dev_warn(dev, "unexpected snk status %.2x\n", val); + val = TYPEC_CC_RP_DEF; + break; + } + val = TYPEC_CC_RP_DEF; + } + + if (misc & CC_ORIENTATION) + *cc2 = val; + else + *cc1 = val; + +done: + dev_dbg(dev, "get_cc: misc 0x%08x cc1 0x%08x %s cc2 0x%08x %s attached %d cc=%s\n", + misc, *cc1, cc_to_name(*cc1), *cc2, cc_to_name(*cc2), !!(misc & CC_ATTACHED), + misc_to_cc(misc)); + + return ret; +} + +static void qcom_pmic_set_cc_debounce(struct pmic_typec *pmic_typec) +{ + pmic_typec->debouncing_cc = true; + schedule_delayed_work(&pmic_typec->cc_debounce_dwork, + msecs_to_jiffies(2)); +} + +int qcom_pmic_tcpm_typec_set_cc(struct pmic_typec *pmic_typec, + enum typec_cc_status cc) +{ + struct device *dev = pmic_typec->dev; + unsigned int mode, currsrc; + unsigned int orientation, misc; + unsigned long flags; + int ret; + + spin_lock_irqsave(&pmic_typec->lock, flags); + + ret = regmap_read(pmic_typec->regmap, + pmic_typec->base + TYPEC_MISC_STATUS_REG, + &misc); + if (ret) + goto done; + + orientation = !!(misc & CC_ORIENTATION); + + mode = EN_SRC_ONLY; + + switch (cc) { + case TYPEC_CC_OPEN: + currsrc = TYPEC_SRC_RP_SEL_80UA; + break; + case TYPEC_CC_RP_DEF: + currsrc = TYPEC_SRC_RP_SEL_80UA; + break; + case TYPEC_CC_RP_1_5: + currsrc = TYPEC_SRC_RP_SEL_180UA; + break; + case TYPEC_CC_RP_3_0: + currsrc = TYPEC_SRC_RP_SEL_330UA; + break; + case TYPEC_CC_RD: + currsrc = TYPEC_SRC_RP_SEL_80UA; + mode = EN_SNK_ONLY; + break; + default: + dev_warn(dev, "unexpected set_cc %d\n", cc); + ret = -EINVAL; + goto done; + } + + if (mode == EN_SRC_ONLY) { + ret = regmap_write(pmic_typec->regmap, + pmic_typec->base + TYPEC_CURRSRC_CFG_REG, + currsrc); + if (ret) + goto done; + } + + pmic_typec->cc = cc; + qcom_pmic_set_cc_debounce(pmic_typec); + ret = 0; + +done: + spin_unlock_irqrestore(&pmic_typec->lock, flags); + + dev_dbg(dev, "set_cc: currsrc=%x %s mode %s debounce %d attached %d cc=%s\n", + currsrc, rp_sel_to_name(currsrc), + mode == EN_SRC_ONLY ? "EN_SRC_ONLY" : "EN_SNK_ONLY", + pmic_typec->debouncing_cc, !!(misc & CC_ATTACHED), + misc_to_cc(misc)); + + return ret; +} + +int qcom_pmic_tcpm_typec_set_vconn(struct pmic_typec *pmic_typec, bool on) +{ + struct device *dev = pmic_typec->dev; + unsigned int orientation, misc, mask, value; + unsigned long flags; + int ret; + + spin_lock_irqsave(&pmic_typec->lock, flags); + + ret = regmap_read(pmic_typec->regmap, + pmic_typec->base + TYPEC_MISC_STATUS_REG, &misc); + if (ret) + goto done; + + /* Set VCONN on the inversion of the active CC channel */ + orientation = (misc & CC_ORIENTATION) ? 0 : VCONN_EN_ORIENTATION; + if (on) { + mask = VCONN_EN_ORIENTATION | VCONN_EN_VALUE; + value = orientation | VCONN_EN_VALUE | VCONN_EN_SRC; + } else { + mask = VCONN_EN_VALUE; + value = 0; + } + + ret = regmap_update_bits(pmic_typec->regmap, + pmic_typec->base + TYPEC_VCONN_CONTROL_REG, + mask, value); +done: + spin_unlock_irqrestore(&pmic_typec->lock, flags); + + dev_dbg(dev, "set_vconn: orientation %d control 0x%08x state %s cc %s vconn %s\n", + orientation, value, on ? "on" : "off", misc_to_vconn(misc), misc_to_cc(misc)); + + return ret; +} + +int qcom_pmic_tcpm_typec_start_toggling(struct pmic_typec *pmic_typec, + enum typec_port_type port_type, + enum typec_cc_status cc) +{ + struct device *dev = pmic_typec->dev; + unsigned int misc; + u8 mode = 0; + unsigned long flags; + int ret; + + switch (port_type) { + case TYPEC_PORT_SRC: + mode = EN_SRC_ONLY; + break; + case TYPEC_PORT_SNK: + mode = EN_SNK_ONLY; + break; + case TYPEC_PORT_DRP: + mode = EN_TRY_SNK; + break; + } + + spin_lock_irqsave(&pmic_typec->lock, flags); + + ret = regmap_read(pmic_typec->regmap, + pmic_typec->base + TYPEC_MISC_STATUS_REG, &misc); + if (ret) + goto done; + + dev_dbg(dev, "start_toggling: misc 0x%08x attached %d port_type %d current cc %d new %d\n", + misc, !!(misc & CC_ATTACHED), port_type, pmic_typec->cc, cc); + + qcom_pmic_set_cc_debounce(pmic_typec); + + /* force it to toggle at least once */ + ret = regmap_write(pmic_typec->regmap, + pmic_typec->base + TYPEC_MODE_CFG_REG, + TYPEC_DISABLE_CMD); + if (ret) + goto done; + ret = regmap_write(pmic_typec->regmap, + pmic_typec->base + TYPEC_MODE_CFG_REG, + mode); +done: + spin_unlock_irqrestore(&pmic_typec->lock, flags); + + return ret; +} + +#define TYPEC_INTR_EN_CFG_1_MASK \ + (TYPEC_LEGACY_CABLE_INT_EN | \ + TYPEC_NONCOMPLIANT_LEGACY_CABLE_INT_EN | \ + TYPEC_TRYSOURCE_DETECT_INT_EN | \ + TYPEC_TRYSINK_DETECT_INT_EN | \ + TYPEC_CCOUT_DETACH_INT_EN | \ + TYPEC_CCOUT_ATTACH_INT_EN | \ + TYPEC_VBUS_DEASSERT_INT_EN | \ + TYPEC_VBUS_ASSERT_INT_EN) + +#define TYPEC_INTR_EN_CFG_2_MASK \ + (TYPEC_STATE_MACHINE_CHANGE_INT_EN | TYPEC_VBUS_ERROR_INT_EN | \ + TYPEC_DEBOUNCE_DONE_INT_EN) + +int qcom_pmic_tcpm_typec_init(struct pmic_typec *pmic_typec, + struct tcpm_port *tcpm_port) +{ + int i; + int mask; + int ret; + + /* Configure interrupt sources */ + ret = regmap_write(pmic_typec->regmap, + pmic_typec->base + TYPEC_INTERRUPT_EN_CFG_1_REG, + TYPEC_INTR_EN_CFG_1_MASK); + if (ret) + goto done; + + ret = regmap_write(pmic_typec->regmap, + pmic_typec->base + TYPEC_INTERRUPT_EN_CFG_2_REG, + TYPEC_INTR_EN_CFG_2_MASK); + if (ret) + goto done; + + /* start in TRY_SNK mode */ + ret = regmap_write(pmic_typec->regmap, + pmic_typec->base + TYPEC_MODE_CFG_REG, EN_TRY_SNK); + if (ret) + goto done; + + /* Configure VCONN for software control */ + ret = regmap_update_bits(pmic_typec->regmap, + pmic_typec->base + TYPEC_VCONN_CONTROL_REG, + VCONN_EN_SRC | VCONN_EN_VALUE, VCONN_EN_SRC); + if (ret) + goto done; + + /* Set CC threshold to 1.6 Volts | tPDdebounce = 10-20ms */ + mask = SEL_SRC_UPPER_REF | USE_TPD_FOR_EXITING_ATTACHSRC; + ret = regmap_update_bits(pmic_typec->regmap, + pmic_typec->base + TYPEC_EXIT_STATE_CFG_REG, + mask, mask); + if (ret) + goto done; + + pmic_typec->tcpm_port = tcpm_port; + + for (i = 0; i < pmic_typec->nr_irqs; i++) + enable_irq(pmic_typec->irq_data[i].irq); + +done: + return ret; +} + +void qcom_pmic_tcpm_typec_put(struct pmic_typec *pmic_typec) +{ + put_device(pmic_typec->dev); +} + +static int qcom_pmic_tcpm_typec_probe(struct platform_device *pdev) +{ + struct pmic_typec *pmic_typec; + struct device *dev = &pdev->dev; + const struct pmic_typec_resources *res; + struct pmic_typec_irq_data *irq_data; + int i, ret, irq; + u32 reg; + + ret = device_property_read_u32(dev, "reg", ®); + if (ret < 0) { + dev_err(dev, "missing base address\n"); + return ret; + } + + res = of_device_get_match_data(dev); + if (!res) + return -ENODEV; + + if (!res->nr_irqs || res->nr_irqs > PMIC_TYPEC_MAX_IRQS) + return -EINVAL; + + pmic_typec = devm_kzalloc(dev, sizeof(*pmic_typec), GFP_KERNEL); + if (!pmic_typec) + return -ENOMEM; + + irq_data = devm_kzalloc(dev, sizeof(*irq_data) * res->nr_irqs, + GFP_KERNEL); + if (!irq_data) + return -ENOMEM; + + pmic_typec->vdd_vbus = devm_regulator_get(dev, "vdd-vbus"); + if (IS_ERR(pmic_typec->vdd_vbus)) + return PTR_ERR(pmic_typec->vdd_vbus); + + pmic_typec->dev = dev; + pmic_typec->base = reg; + pmic_typec->nr_irqs = res->nr_irqs; + pmic_typec->irq_data = irq_data; + spin_lock_init(&pmic_typec->lock); + INIT_DELAYED_WORK(&pmic_typec->cc_debounce_dwork, + qcom_pmic_tcpm_typec_cc_debounce); + + pmic_typec->regmap = dev_get_regmap(dev->parent, NULL); + if (!pmic_typec->regmap) { + dev_err(dev, "Failed to get regmap\n"); + return -ENODEV; + } + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + platform_set_drvdata(pdev, pmic_typec); + + for (i = 0; i < res->nr_irqs; i++, irq_data++) { + irq = platform_get_irq_byname(pdev, + res->irq_params[i].irq_name); + if (irq < 0) + return irq; + + irq_data->pmic_typec = pmic_typec; + irq_data->irq = irq; + irq_data->virq = res->irq_params[i].virq; + ret = devm_request_threaded_irq(dev, irq, NULL, pmic_typec_isr, + IRQF_ONESHOT | IRQF_NO_AUTOEN, + res->irq_params[i].irq_name, + irq_data); + if (ret) + return ret; + } + + return 0; +} + +static struct pmic_typec_resources pm8150b_typec_res = { + .irq_params = { + { + .irq_name = "pmic-typec-vpd-detect", + .virq = PMIC_TYPEC_VPD_IRQ, + }, + + { + .irq_name = "pmic-typec-cc-state-change", + .virq = PMIC_TYPEC_CC_STATE_IRQ, + }, + { + .irq_name = "pmic-typec-vconn-oc", + .virq = PMIC_TYPEC_VCONN_OC_IRQ, + }, + + { + .irq_name = "pmic-typec-vbus-change", + .virq = PMIC_TYPEC_VBUS_IRQ, + }, + + { + .irq_name = "pmic-typec-attach-detach", + .virq = PMIC_TYPEC_ATTACH_DETACH_IRQ, + }, + { + .irq_name = "pmic-typec-legacy-cable-detect", + .virq = PMIC_TYPEC_LEGACY_CABLE_IRQ, + }, + + { + .irq_name = "pmic-typec-try-snk-src-detect", + .virq = PMIC_TYPEC_TRY_SNK_SRC_IRQ, + }, + }, + .nr_irqs = 7, +}; + +static const struct of_device_id qcom_pmic_tcpm_typec_table[] = { + { .compatible = "qcom,pm8150b-typec", .data = &pm8150b_typec_res }, + { }, +}; +MODULE_DEVICE_TABLE(of, qcom_pmic_tcpm_typec_table); + +struct platform_driver qcom_pmic_tcpm_typec_platform_driver = { + .driver = { + .name = "qcom,pmic-typec", + .of_match_table = qcom_pmic_tcpm_typec_table, + }, + .probe = qcom_pmic_tcpm_typec_probe, +}; diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_typec.h b/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_typec.h new file mode 100644 index 0000000000000..d0e683e4bff46 --- /dev/null +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_tcpm_typec.h @@ -0,0 +1,163 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + * Copyright (c) 2021, Linaro Ltd. All rights reserved. + */ +#ifndef __QCOM_PMIC_TYPEC_H__ +#define __QCOM_PMIC_TYPEC_H__ + +#include + +#define TYPEC_SNK_STATUS_REG 0x06 +#define DETECTED_SNK_TYPE_MASK GENMASK(6, 0) +#define SNK_DAM_MASK GENMASK(6, 4) +#define SNK_DAM_500MA BIT(6) +#define SNK_DAM_1500MA BIT(5) +#define SNK_DAM_3000MA BIT(4) +#define SNK_RP_STD BIT(3) +#define SNK_RP_1P5 BIT(2) +#define SNK_RP_3P0 BIT(1) +#define SNK_RP_SHORT BIT(0) + +#define TYPEC_SRC_STATUS_REG 0x08 +#define DETECTED_SRC_TYPE_MASK GENMASK(4, 0) +#define SRC_HIGH_BATT BIT(5) +#define SRC_DEBUG_ACCESS BIT(4) +#define SRC_RD_OPEN BIT(3) +#define SRC_RD_RA_VCONN BIT(2) +#define SRC_RA_OPEN BIT(1) +#define AUDIO_ACCESS_RA_RA BIT(0) + +#define TYPEC_STATE_MACHINE_STATUS_REG 0x09 +#define TYPEC_ATTACH_DETACH_STATE BIT(5) + +#define TYPEC_SM_STATUS_REG 0x0A +#define TYPEC_SM_VBUS_VSAFE5V BIT(5) +#define TYPEC_SM_VBUS_VSAFE0V BIT(6) +#define TYPEC_SM_USBIN_LT_LV BIT(7) + +#define TYPEC_MISC_STATUS_REG 0x0B +#define TYPEC_WATER_DETECTION_STATUS BIT(7) +#define SNK_SRC_MODE BIT(6) +#define TYPEC_VBUS_DETECT BIT(5) +#define TYPEC_VBUS_ERROR_STATUS BIT(4) +#define TYPEC_DEBOUNCE_DONE BIT(3) +#define CC_ORIENTATION BIT(1) +#define CC_ATTACHED BIT(0) + +#define LEGACY_CABLE_STATUS_REG 0x0D +#define TYPEC_LEGACY_CABLE_STATUS BIT(1) +#define TYPEC_NONCOMP_LEGACY_CABLE_STATUS BIT(0) + +#define TYPEC_U_USB_STATUS_REG 0x0F +#define U_USB_GROUND_NOVBUS BIT(6) +#define U_USB_GROUND BIT(4) +#define U_USB_FMB1 BIT(3) +#define U_USB_FLOAT1 BIT(2) +#define U_USB_FMB2 BIT(1) +#define U_USB_FLOAT2 BIT(0) + +#define TYPEC_MODE_CFG_REG 0x44 +#define TYPEC_TRY_MODE_MASK GENMASK(4, 3) +#define EN_TRY_SNK BIT(4) +#define EN_TRY_SRC BIT(3) +#define TYPEC_POWER_ROLE_CMD_MASK GENMASK(2, 0) +#define EN_SRC_ONLY BIT(2) +#define EN_SNK_ONLY BIT(1) +#define TYPEC_DISABLE_CMD BIT(0) + +#define TYPEC_VCONN_CONTROL_REG 0x46 +#define VCONN_EN_ORIENTATION BIT(2) +#define VCONN_EN_VALUE BIT(1) +#define VCONN_EN_SRC BIT(0) + +#define TYPEC_CCOUT_CONTROL_REG 0x48 +#define TYPEC_CCOUT_BUFFER_EN BIT(2) +#define TYPEC_CCOUT_VALUE BIT(1) +#define TYPEC_CCOUT_SRC BIT(0) + +#define DEBUG_ACCESS_SRC_CFG_REG 0x4C +#define EN_UNORIENTED_DEBUG_ACCESS_SRC BIT(0) + +#define TYPE_C_CRUDE_SENSOR_CFG_REG 0x4e +#define EN_SRC_CRUDE_SENSOR BIT(1) +#define EN_SNK_CRUDE_SENSOR BIT(0) + +#define TYPEC_EXIT_STATE_CFG_REG 0x50 +#define BYPASS_VSAFE0V_DURING_ROLE_SWAP BIT(3) +#define SEL_SRC_UPPER_REF BIT(2) +#define USE_TPD_FOR_EXITING_ATTACHSRC BIT(1) +#define EXIT_SNK_BASED_ON_CC BIT(0) + +#define TYPEC_CURRSRC_CFG_REG 0x52 +#define TYPEC_SRC_RP_SEL_330UA BIT(1) +#define TYPEC_SRC_RP_SEL_180UA BIT(0) +#define TYPEC_SRC_RP_SEL_80UA 0 +#define TYPEC_SRC_RP_SEL_MASK GENMASK(1, 0) + +#define TYPEC_INTERRUPT_EN_CFG_1_REG 0x5E +#define TYPEC_LEGACY_CABLE_INT_EN BIT(7) +#define TYPEC_NONCOMPLIANT_LEGACY_CABLE_INT_EN BIT(6) +#define TYPEC_TRYSOURCE_DETECT_INT_EN BIT(5) +#define TYPEC_TRYSINK_DETECT_INT_EN BIT(4) +#define TYPEC_CCOUT_DETACH_INT_EN BIT(3) +#define TYPEC_CCOUT_ATTACH_INT_EN BIT(2) +#define TYPEC_VBUS_DEASSERT_INT_EN BIT(1) +#define TYPEC_VBUS_ASSERT_INT_EN BIT(0) + +#define TYPEC_INTERRUPT_EN_CFG_2_REG 0x60 +#define TYPEC_SRC_BATT_HPWR_INT_EN BIT(6) +#define MICRO_USB_STATE_CHANGE_INT_EN BIT(5) +#define TYPEC_STATE_MACHINE_CHANGE_INT_EN BIT(4) +#define TYPEC_DEBUG_ACCESS_DETECT_INT_EN BIT(3) +#define TYPEC_WATER_DETECTION_INT_EN BIT(2) +#define TYPEC_VBUS_ERROR_INT_EN BIT(1) +#define TYPEC_DEBOUNCE_DONE_INT_EN BIT(0) + +#define TYPEC_DEBOUNCE_OPTION_REG 0x62 +#define REDUCE_TCCDEBOUNCE_TO_2MS BIT(2) + +#define TYPE_C_SBU_CFG_REG 0x6A +#define SEL_SBU1_ISRC_VAL 0x04 +#define SEL_SBU2_ISRC_VAL 0x01 + +#define TYPEC_U_USB_CFG_REG 0x70 +#define EN_MICRO_USB_FACTORY_MODE BIT(1) +#define EN_MICRO_USB_MODE BIT(0) + +#define TYPEC_PMI632_U_USB_WATER_PROTECTION_CFG_REG 0x72 + +#define TYPEC_U_USB_WATER_PROTECTION_CFG_REG 0x73 +#define EN_MICRO_USB_WATER_PROTECTION BIT(4) +#define MICRO_USB_DETECTION_ON_TIME_CFG_MASK GENMASK(3, 2) +#define MICRO_USB_DETECTION_PERIOD_CFG_MASK GENMASK(1, 0) + +#define TYPEC_PMI632_MICRO_USB_MODE_REG 0x73 +#define MICRO_USB_MODE_ONLY BIT(0) + +struct pmic_typec; +extern struct platform_driver qcom_pmic_tcpm_typec_platform_driver; + +int qcom_pmic_tcpm_typec_init(struct pmic_typec *pmic_typec, + struct tcpm_port *tcpm_port); + +void qcom_pmic_tcpm_typec_put(struct pmic_typec *pmic_typec); + +int qcom_pmic_tcpm_typec_get_cc(struct pmic_typec *pmic_typec, + enum typec_cc_status *cc1, + enum typec_cc_status *cc2); + +int qcom_pmic_tcpm_typec_set_cc(struct pmic_typec *pmic_typec, + enum typec_cc_status cc); + +int qcom_pmic_tcpm_typec_get_vbus(struct pmic_typec *pmic_typec); + +int qcom_pmic_tcpm_typec_set_vconn(struct pmic_typec *pmic_typec, bool on); + +int qcom_pmic_tcpm_typec_start_toggling(struct pmic_typec *pmic_typec, + enum typec_port_type port_type, + enum typec_cc_status cc); + +int qcom_pmic_tcpm_typec_set_vbus(struct pmic_typec *pmic_typec, bool on); + +#endif /* __QCOM_PMIC_TYPE_C_H__ */