From patchwork Mon Oct 4 11:16:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souradeep Chowdhury X-Patchwork-Id: 12533685 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 7971AC433F5 for ; Mon, 4 Oct 2021 11:16:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5F65660FD8 for ; Mon, 4 Oct 2021 11:16:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230469AbhJDLSo (ORCPT ); Mon, 4 Oct 2021 07:18:44 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:40578 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232200AbhJDLSn (ORCPT ); Mon, 4 Oct 2021 07:18:43 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1633346214; h=References: In-Reply-To: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=OM5PMOGkYk5yc9qw+FTQwVgicS42yeXqzGFO/6u5zFM=; b=xTc5XQgcR1nUX34yMbVeC+7v6kqefe/6PZM571jGq9MSmXiZdolnpaJgqh4Hwk8x/FIqG/Fk r+1amf8DIuJ8u1naWsutP5VRvW2ps1KF07pXAwOoFK+AL/RVJg5M6mMvNU8+6XYye4o3c6Ef dEl7WxJaiXjmWSpoggH0+9KeQdk= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyIxZTE2YSIsICJsaW51eC11c2JAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-east-1.postgun.com with SMTP id 615ae2a39ffb4131491ff837 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 04 Oct 2021 11:16:51 GMT Sender: schowdhu=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 4E48BC4360C; Mon, 4 Oct 2021 11:16:50 +0000 (UTC) Received: from blr-ubuntu-525.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: schowdhu) by smtp.codeaurora.org (Postfix) with ESMTPSA id EEA98C43617; Mon, 4 Oct 2021 11:16:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org EEA98C43617 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Souradeep Chowdhury To: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Bryan O'Donoghue , Bjorn Andersson , Greg KH Cc: linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, satyap@codeaurora.org, pheragu@codeaurora.org, Rajendra Nayak , Sibi Sankar , Sai Prakash Ranjan , Souradeep Chowdhury Subject: [PATCH V0 1/7] dt-bindings: connector: Add property for eud type c connector Date: Mon, 4 Oct 2021 16:46:19 +0530 Message-Id: <246c9d24da27b6ce91d5f1e536fa96ac5656a0b2.1633343547.git.schowdhu@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Added the property for EUD(Embedded USB Debug) connector.Added the "reg" and "interrupts" property which is needed for EUD. Signed-off-by: Souradeep Chowdhury --- .../devicetree/bindings/connector/usb-connector.yaml | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml index 7eb8659..908129f 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml @@ -30,6 +30,21 @@ properties: - const: samsung,usb-connector-11pin - const: usb-b-connector + - items: + - enum: + - qcom,sc7280-usb-connector-eud + - const: qcom,usb-connector-eud + - const: usb-c-connector + + reg: + items: + - description: EUD Base Register Region + - description: EUD Mode Manager Region + + interrupts: + description: + EUD interrupt + label: description: Symbolic name for the connector. From patchwork Mon Oct 4 11:16:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souradeep Chowdhury X-Patchwork-Id: 12533687 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 0803BC433FE for ; Mon, 4 Oct 2021 11:17:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E273160FD8 for ; Mon, 4 Oct 2021 11:17:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232943AbhJDLTC (ORCPT ); Mon, 4 Oct 2021 07:19:02 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:25343 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232919AbhJDLTB (ORCPT ); Mon, 4 Oct 2021 07:19:01 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1633346233; h=References: In-Reply-To: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=tb0l28sjuk6KvLa4pWaQvwrCn8Y9iGqm+GX6RD/a1Fo=; b=iyJh18G9MgLTZK1j+APV6qBa844HtZdvBYFxYG79qx6w6GFV2yPZ0K9YKYbTIYDr/sg7C4qF gRUSGe5QYL41ivolPKXDx+SzhMwUAF7TYDL5R7rDOujGarDiuKFRtyrLwRz68MkNXT2pongT wcOR261nPm71U3g6fojrN8dMMZM= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyIxZTE2YSIsICJsaW51eC11c2JAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n07.prod.us-west-2.postgun.com with SMTP id 615ae2a7605ecf100b8b7b4d (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 04 Oct 2021 11:16:55 GMT Sender: schowdhu=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id C6F85C43617; Mon, 4 Oct 2021 11:16:55 +0000 (UTC) Received: from blr-ubuntu-525.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: schowdhu) by smtp.codeaurora.org (Postfix) with ESMTPSA id 519C6C43617; Mon, 4 Oct 2021 11:16:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 519C6C43617 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Souradeep Chowdhury To: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Bryan O'Donoghue , Bjorn Andersson , Greg KH Cc: linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, satyap@codeaurora.org, pheragu@codeaurora.org, Rajendra Nayak , Sibi Sankar , Sai Prakash Ranjan , Souradeep Chowdhury Subject: [PATCH V0 2/7] dt-bindings: usb: dwc3: Update dwc3 properties for EUD connector Date: Mon, 4 Oct 2021 16:46:20 +0530 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Adding the address size,cell size and ranges property for EUD connector. Adding the connector property for EUD which is child of dwc3 node. Signed-off-by: Souradeep Chowdhury --- Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index 078fb78..3e71205 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -36,6 +36,14 @@ properties: - const: synopsys,dwc3 deprecated: true + "#address-cells": + enum: [ 1, 2 ] + + "#size-cells": + enum: [ 1, 2 ] + + ranges: true + interrupts: description: It's either a single common DWC3 interrupt (dwc_usb3) or individual @@ -318,6 +326,13 @@ properties: items: enum: [1, 4, 8, 16, 32, 64, 128, 256] + connector: + type: object + $ref: /connector/usb-connector.yaml# + description: + Connector for dual role switch, especially for "eud-usb-c-connector" + + unevaluatedProperties: false required: From patchwork Mon Oct 4 11:16:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souradeep Chowdhury X-Patchwork-Id: 12533689 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 DF3D4C433EF for ; Mon, 4 Oct 2021 11:17:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C8F7A611F0 for ; Mon, 4 Oct 2021 11:17:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232957AbhJDLTI (ORCPT ); Mon, 4 Oct 2021 07:19:08 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:25348 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232913AbhJDLTH (ORCPT ); Mon, 4 Oct 2021 07:19:07 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1633346238; h=References: In-Reply-To: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=NZDs4uc6sYd+cdl1AV/f0rDcGHRZlaq5tNvwgSlXtVA=; b=X5xieWXxz8Ck0SqOhw2ElBMLNitR0kozWKCUCRyu5uA0+waZslwzOgZ+I1hqbDVaatFkrRPn +yRRpiwF4rVjQGF+kT7/rvAE85hakmM03QpdDfC/Darlu3bPMPLmoEvZY2oS2Zj0BugMgQVQ qBUtSJsnadPEuIUQND09IX5ABlo= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyIxZTE2YSIsICJsaW51eC11c2JAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-west-2.postgun.com with SMTP id 615ae2adfc6e34f8cdbf8972 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 04 Oct 2021 11:17:01 GMT Sender: schowdhu=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 39911C4361C; Mon, 4 Oct 2021 11:17:01 +0000 (UTC) Received: from blr-ubuntu-525.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: schowdhu) by smtp.codeaurora.org (Postfix) with ESMTPSA id A1327C43616; Mon, 4 Oct 2021 11:16:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org A1327C43616 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Souradeep Chowdhury To: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Bryan O'Donoghue , Bjorn Andersson , Greg KH Cc: linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, satyap@codeaurora.org, pheragu@codeaurora.org, Rajendra Nayak , Sibi Sankar , Sai Prakash Ranjan , Souradeep Chowdhury Subject: [PATCH V0 3/7] usb: dwc3: drd: Register the eud connector child node for dwc3 Date: Mon, 4 Oct 2021 16:46:21 +0530 Message-Id: <2006cf6c5662f70ca3348b683551bae4a8e4a0e2.1633343547.git.schowdhu@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Register the child node for dwc3 which is the "eud_usb_connector". The eud driver will be able to switch the usb role from device to host and vice versa using the role switch property of dwc3 node. Signed-off-by: Souradeep Chowdhury Reported-by: kernel test robot Reported-by: kernel test robot --- drivers/usb/dwc3/drd.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c index d7f7683..f55e473 100644 --- a/drivers/usb/dwc3/drd.c +++ b/drivers/usb/dwc3/drd.c @@ -11,6 +11,7 @@ #include #include #include +#include #include "debug.h" #include "core.h" @@ -164,6 +165,27 @@ static int dwc3_otg_get_irq(struct dwc3 *dwc) return irq; } +static int dwc3_register_eud(struct dwc3 *dwc) +{ + struct device *dev = dwc->dev; + struct device_node *np = dev->of_node, *con_np; + int ret; + + con_np = of_get_child_by_name(np, "eud_usb_connector"); + if (!np) { + dev_dbg(dev, "no usb_connector child node specified\n"); + return 0; + } + + ret = of_platform_populate(np, NULL, NULL, dev); + if (ret) { + dev_err(dev, "failed to register usb_connector - %d\n", ret); + return ret; + } + + return 0; +} + void dwc3_otg_init(struct dwc3 *dwc) { u32 reg; @@ -580,6 +602,9 @@ int dwc3_drd_init(struct dwc3 *dwc) ret = dwc3_setup_role_switch(dwc); if (ret < 0) return ret; + ret = dwc3_register_eud(dwc); + if (ret < 0) + return ret; } else if (dwc->edev) { dwc->edev_nb.notifier_call = dwc3_drd_notifier; ret = extcon_register_notifier(dwc->edev, EXTCON_USB_HOST, From patchwork Mon Oct 4 11:16:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souradeep Chowdhury X-Patchwork-Id: 12533697 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 DF56FC4332F for ; Mon, 4 Oct 2021 11:17:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD31F61381 for ; Mon, 4 Oct 2021 11:17:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233116AbhJDLTa (ORCPT ); Mon, 4 Oct 2021 07:19:30 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:25348 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233036AbhJDLTS (ORCPT ); Mon, 4 Oct 2021 07:19:18 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1633346250; h=References: In-Reply-To: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=0RAe+3S3JeUWw2zt5cNOBuJKBWv0d+4nYdbQ5SstmLI=; b=tjJ9Tqt+EFGTpqg9hwXUYXPweQjLXHRjZXv3nc190rp2ZNGRGQve56sCzRXhJ6YA+yccAayF WtdVmRngsvG+T8lpE4ywV2nQM0wzELY4z+GCYEx6W/dfMzyZNCzSY4oexhrcJXyVZwKbu4qL YY8SkBryMGOyTXd5V2oyFjuWz/g= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyIxZTE2YSIsICJsaW51eC11c2JAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-east-1.postgun.com with SMTP id 615ae2b48578ef11ed7dad13 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 04 Oct 2021 11:17:08 GMT Sender: schowdhu=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 94E90C4361A; Mon, 4 Oct 2021 11:17:07 +0000 (UTC) Received: from blr-ubuntu-525.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: schowdhu) by smtp.codeaurora.org (Postfix) with ESMTPSA id 0879AC4361B; Mon, 4 Oct 2021 11:17:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 0879AC4361B Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Souradeep Chowdhury To: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Bryan O'Donoghue , Bjorn Andersson , Greg KH Cc: linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, satyap@codeaurora.org, pheragu@codeaurora.org, Rajendra Nayak , Sibi Sankar , Sai Prakash Ranjan , Souradeep Chowdhury Subject: [PATCH V0 4/7] usb: common: eud: Added the driver support for Embedded USB Debugger(EUD) Date: Mon, 4 Oct 2021 16:46:22 +0530 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add support for control peripheral of EUD (Embedded USB Debugger) to listen to events such as USB attach/detach, pet EUD to indicate software is functional.Reusing the platform device kobj, sysfs entry 'enable' is created to enable or disable EUD. To enable the eud the following needs to be done echo 1 > /sys/bus/platform/.../enable To disable eud, following is the command echo 0 > /sys/bus/platform/.../enable Signed-off-by: Souradeep Chowdhury --- Documentation/ABI/testing/sysfs-driver-eud | 7 + drivers/usb/common/Kconfig | 9 + drivers/usb/common/Makefile | 1 + drivers/usb/common/qcom_eud.c | 256 +++++++++++++++++++++++++++++ 4 files changed, 273 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-driver-eud create mode 100644 drivers/usb/common/qcom_eud.c -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation diff --git a/Documentation/ABI/testing/sysfs-driver-eud b/Documentation/ABI/testing/sysfs-driver-eud new file mode 100644 index 0000000..14a02da --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-eud @@ -0,0 +1,7 @@ +What: /sys/bus/platform/.../enable +Date: October 2021 +Contact: Souradeep Chowdhury +Description: + The Enable/Disable sysfs interface for Embedded + USB Debugger(EUD).This enables and disables the + EUD based on a 1 or a 0 value. diff --git a/drivers/usb/common/Kconfig b/drivers/usb/common/Kconfig index 5e8a04e..669b3fe 100644 --- a/drivers/usb/common/Kconfig +++ b/drivers/usb/common/Kconfig @@ -50,3 +50,12 @@ config USB_CONN_GPIO To compile the driver as a module, choose M here: the module will be called usb-conn-gpio.ko + +config USB_QCOM_EUD + tristate "USB EUD Driver" + select USB_ROLE_SWITCH + help + This module enables support for Qualcomm Technologies, Inc. + Embedded USB Debugger (EUD). The EUD is a control peripheral + which reports VBUS attach/detach events and has USB-based + debug and trace capabilities. diff --git a/drivers/usb/common/Makefile b/drivers/usb/common/Makefile index 8ac4d21..eb66045 100644 --- a/drivers/usb/common/Makefile +++ b/drivers/usb/common/Makefile @@ -11,3 +11,4 @@ usb-common-$(CONFIG_USB_LED_TRIG) += led.o obj-$(CONFIG_USB_CONN_GPIO) += usb-conn-gpio.o obj-$(CONFIG_USB_OTG_FSM) += usb-otg-fsm.o obj-$(CONFIG_USB_ULPI_BUS) += ulpi.o +obj-$(CONFIG_USB_QCOM_EUD) += qcom_eud.o diff --git a/drivers/usb/common/qcom_eud.c b/drivers/usb/common/qcom_eud.c new file mode 100644 index 0000000..7a92fff --- /dev/null +++ b/drivers/usb/common/qcom_eud.c @@ -0,0 +1,256 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2015-2021, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define EUD_REG_INT1_EN_MASK 0x0024 +#define EUD_REG_INT_STATUS_1 0x0044 +#define EUD_REG_CTL_OUT_1 0x0074 +#define EUD_REG_VBUS_INT_CLR 0x0080 +#define EUD_REG_CSR_EUD_EN 0x1014 +#define EUD_REG_SW_ATTACH_DET 0x1018 +#define EUD_REG_EUD_EN2 0x0000 + +#define EUD_ENABLE BIT(0) +#define EUD_INT_PET_EUD BIT(0) +#define EUD_INT_VBUS BIT(2) +#define EUD_INT_SAFE_MODE BIT(4) +#define EUD_INT_ALL (EUD_INT_VBUS|EUD_INT_SAFE_MODE) + +struct eud_chip { + struct device *dev; + struct usb_role_switch *role_sw; + void __iomem *eud_reg_base; + void __iomem *eud_mode_mgr2_phys_base; + unsigned int int_status; + int enable; + int eud_irq; + bool usb_attach; + +}; + +static int enable_eud(struct eud_chip *priv) +{ + writel(EUD_ENABLE, priv->eud_reg_base + EUD_REG_CSR_EUD_EN); + writel(EUD_INT_VBUS | EUD_INT_SAFE_MODE, + priv->eud_reg_base + EUD_REG_INT1_EN_MASK); + writel(1, priv->eud_mode_mgr2_phys_base + EUD_REG_EUD_EN2); + + return usb_role_switch_set_role(priv->role_sw, USB_ROLE_DEVICE); +} + +static void disable_eud(struct eud_chip *priv) +{ + writel(0, priv->eud_reg_base + EUD_REG_CSR_EUD_EN); + writel(0, priv->eud_mode_mgr2_phys_base + EUD_REG_EUD_EN2); +} + +static ssize_t enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct eud_chip *chip = dev_get_drvdata(dev); + + return sprintf(buf, "%d", chip->enable); +} + +static ssize_t enable_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct eud_chip *chip = dev_get_drvdata(dev); + unsigned long enable; + int ret; + + if (kstrtoul(buf, 16, &enable)) + return -EINVAL; + + if (enable == 1) { + ret = enable_eud(chip); + if (!ret) + chip->enable = enable; + } else if (enable == 0) { + disable_eud(chip); + } else { + return -EINVAL; + } + + return count; +} + +static DEVICE_ATTR_RW(enable); + +static const struct device_attribute *eud_attrs[] = { + &dev_attr_enable, + NULL, +}; + +static void usb_attach_detach(struct eud_chip *chip) +{ + u32 reg; + + /* read ctl_out_1[4] to find USB attach or detach event */ + reg = readl(chip->eud_reg_base + EUD_REG_CTL_OUT_1); + if (reg & EUD_INT_SAFE_MODE) + chip->usb_attach = true; + else + chip->usb_attach = false; + + /* set and clear vbus_int_clr[0] to clear interrupt */ + writel(BIT(0), chip->eud_reg_base + EUD_REG_VBUS_INT_CLR); + writel(0, chip->eud_reg_base + EUD_REG_VBUS_INT_CLR); +} + +static void pet_eud(struct eud_chip *chip) +{ + u32 reg; + int ret; + + /* read sw_attach_det[0] to find attach/detach event */ + reg = readl(chip->eud_reg_base + EUD_REG_SW_ATTACH_DET); + if (reg & EUD_INT_PET_EUD) { + /* Detach & Attach pet for EUD */ + writel(0, chip->eud_reg_base + EUD_REG_SW_ATTACH_DET); + /* Delay to make sure detach pet is done before attach pet */ + ret = readl_poll_timeout(chip->eud_reg_base + EUD_REG_SW_ATTACH_DET, + reg, (reg == 0), 1, 100); + if (ret) { + dev_err(chip->dev, "Detach pet failed\n"); + return; + } + + writel(EUD_INT_PET_EUD, chip->eud_reg_base + + EUD_REG_SW_ATTACH_DET); + } else { + /* Attach pet for EUD */ + writel(EUD_INT_PET_EUD, chip->eud_reg_base + + EUD_REG_SW_ATTACH_DET); + } +} + +static irqreturn_t handle_eud_irq(int irq, void *data) +{ + struct eud_chip *chip = data; + u32 reg; + + /* read status register and find out which interrupt triggered */ + reg = readl(chip->eud_reg_base + EUD_REG_INT_STATUS_1); + switch (reg & EUD_INT_ALL) { + case EUD_INT_VBUS: + chip->int_status = EUD_INT_VBUS; + usb_attach_detach(chip); + return IRQ_WAKE_THREAD; + case EUD_INT_SAFE_MODE: + pet_eud(chip); + break; + default: + return IRQ_NONE; + } + return IRQ_HANDLED; +} + +static irqreturn_t handle_eud_irq_thread(int irq, void *data) +{ + struct eud_chip *chip = data; + int ret; + + if (chip->int_status == EUD_INT_VBUS) { + if (chip->usb_attach) + ret = usb_role_switch_set_role(chip->role_sw, USB_ROLE_DEVICE); + else + ret = usb_role_switch_set_role(chip->role_sw, USB_ROLE_HOST); + if (ret) + dev_err(chip->dev, "failed to set role switch\n"); + } + + return IRQ_HANDLED; +} + +static int eud_probe(struct platform_device *pdev) +{ + struct eud_chip *chip; + int ret; + + chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + chip->dev = &pdev->dev; + + chip->role_sw = usb_role_switch_get(chip->dev); + if (IS_ERR(chip->role_sw)) { + if (PTR_ERR(chip->role_sw) != -EPROBE_DEFER) + dev_err(chip->dev, "failed to get role switch\n"); + + return PTR_ERR(chip->role_sw); + } + + chip->eud_reg_base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(chip->eud_reg_base)) + return PTR_ERR(chip->eud_reg_base); + + chip->eud_mode_mgr2_phys_base = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(chip->eud_mode_mgr2_phys_base)) + return PTR_ERR(chip->eud_mode_mgr2_phys_base); + + chip->eud_irq = platform_get_irq(pdev, 0); + ret = devm_request_threaded_irq(&pdev->dev, chip->eud_irq, handle_eud_irq, + handle_eud_irq_thread, IRQF_ONESHOT, NULL, chip); + if (ret) + return ret; + + device_init_wakeup(&pdev->dev, true); + enable_irq_wake(chip->eud_irq); + + platform_set_drvdata(pdev, chip); + + ret = device_create_file(&pdev->dev, eud_attrs[0]); + + return ret; +} + +static int eud_remove(struct platform_device *pdev) +{ + struct eud_chip *chip = platform_get_drvdata(pdev); + + if (chip->enable) + disable_eud(chip); + + device_remove_file(&pdev->dev, eud_attrs[0]); + device_init_wakeup(&pdev->dev, false); + disable_irq_wake(chip->eud_irq); + + return 0; +} + +static const struct of_device_id eud_dt_match[] = { + { .compatible = "qcom,usb-connector-eud" }, + { } +}; +MODULE_DEVICE_TABLE(of, eud_dt_match); + +static struct platform_driver eud_driver = { + .probe = eud_probe, + .remove = eud_remove, + .driver = { + .name = "eud", + .of_match_table = eud_dt_match, + }, +}; +module_platform_driver(eud_driver); + +MODULE_DESCRIPTION("QTI EUD driver"); +MODULE_LICENSE("GPL v2"); From patchwork Mon Oct 4 11:16:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souradeep Chowdhury X-Patchwork-Id: 12533693 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 95063C433F5 for ; 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Mon, 04 Oct 2021 11:17:11 GMT Sender: schowdhu=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 8A3DFC4361A; Mon, 4 Oct 2021 11:17:11 +0000 (UTC) Received: from blr-ubuntu-525.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: schowdhu) by smtp.codeaurora.org (Postfix) with ESMTPSA id 54945C43616; Mon, 4 Oct 2021 11:17:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 54945C43616 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Souradeep Chowdhury To: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Bryan O'Donoghue , Bjorn Andersson , Greg KH Cc: linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, satyap@codeaurora.org, pheragu@codeaurora.org, Rajendra Nayak , Sibi Sankar , Sai Prakash Ranjan , Souradeep Chowdhury Subject: [PATCH V0 5/7] arm64: dts: qcom: sc7280: Add EUD connector node Date: Mon, 4 Oct 2021 16:46:23 +0530 Message-Id: <172cb86e7a05d967ebf061033d47e4c5e95af503.1633343547.git.schowdhu@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add the Embedded USB Debugger(EUD) connector node as the child of dwc3 node under usb2. The node contains EUD base register region and EUD mode manager register regions along with the interrupt entry. Signed-off-by: Souradeep Chowdhury --- arch/arm64/boot/dts/qcom/sc7280.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index 53a21d0..21b16da 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -1308,6 +1308,9 @@ usb_2_dwc3: usb@8c00000 { compatible = "snps,dwc3"; reg = <0 0x08c00000 0 0xe000>; + #address-cells = <2>; + #size-cells = <2>; + ranges; interrupts = ; iommus = <&apps_smmu 0xa0 0x0>; snps,dis_u2_susphy_quirk; @@ -1315,6 +1318,15 @@ phys = <&usb_2_hsphy>; phy-names = "usb2-phy"; maximum-speed = "high-speed"; + usb-role-switch; + usb_con: eud_usb_connector { + compatible = "qcom,usb-connector-eud", "usb-c-connector", + "qcom,sc7280-usb-connector-eud"; + reg = <0 0x88e0000 0 0x2000>, + <0 0x88e2000 0 0x1000>; + interrupt-parent = <&pdc>; + interrupts = <11 IRQ_TYPE_LEVEL_HIGH>; + }; }; }; From patchwork Mon Oct 4 11:16:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souradeep Chowdhury X-Patchwork-Id: 12533691 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 AD96FC4332F for ; Mon, 4 Oct 2021 11:17:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98D0961994 for ; Mon, 4 Oct 2021 11:17:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232956AbhJDLTO (ORCPT ); Mon, 4 Oct 2021 07:19:14 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:25512 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232967AbhJDLTJ (ORCPT ); Mon, 4 Oct 2021 07:19:09 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1633346241; h=References: In-Reply-To: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=dskPhtPK7bnkS2Rha5rabhN0KRgimYQknYPUMejdMWM=; b=UTbiZt/OKzNLVAUEFqNjnsqAESTi4y4OJTY02gN3+msJoVDE3IsRvs4zU7ciyPa1F45zh1KT x2MuJ6ToWFWRbElFiG/bk/vw7R2HeLKYD0GSJv1+mvZgTTihJhLTIDDZfj9Gm8pHGBdf4W66 p0Fnbcd1m6u5N/ggb0xeboelReg= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyIxZTE2YSIsICJsaW51eC11c2JAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-west-2.postgun.com with SMTP id 615ae2be47d64efb6d60b6fd (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 04 Oct 2021 11:17:18 GMT Sender: schowdhu=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 50D65C43637; Mon, 4 Oct 2021 11:17:17 +0000 (UTC) Received: from blr-ubuntu-525.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: schowdhu) by smtp.codeaurora.org (Postfix) with ESMTPSA id B3C79C4361A; Mon, 4 Oct 2021 11:17:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org B3C79C4361A Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Souradeep Chowdhury To: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Bryan O'Donoghue , Bjorn Andersson , Greg KH Cc: linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, satyap@codeaurora.org, pheragu@codeaurora.org, Rajendra Nayak , Sibi Sankar , Sai Prakash Ranjan , Souradeep Chowdhury Subject: [PATCH V0 6/7] arm64: dts: qcom: sc7280: Set the default dr_mode for usb2 Date: Mon, 4 Oct 2021 16:46:24 +0530 Message-Id: <7e7b72fb0fa02dadfc6a7c51b906590426e8cd04.1633343547.git.schowdhu@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Set the default dr_mode for usb2 node to "otg" to enable role-switch for EUD(Embedded USB Debugger) connector node. Signed-off-by: Souradeep Chowdhury --- arch/arm64/boot/dts/qcom/sc7280-idp.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts index 64fc22a..7c69c78 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts @@ -61,6 +61,10 @@ modem-init; }; +&usb_2_dwc3 { + dr_mode = "otg"; +}; + &pmk8350_vadc { pmr735a_die_temp { reg = ; From patchwork Mon Oct 4 11:16:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souradeep Chowdhury X-Patchwork-Id: 12533695 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 59FDEC433F5 for ; Mon, 4 Oct 2021 11:17:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4567860FD8 for ; Mon, 4 Oct 2021 11:17:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233046AbhJDLT2 (ORCPT ); Mon, 4 Oct 2021 07:19:28 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:37007 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232992AbhJDLTM (ORCPT ); Mon, 4 Oct 2021 07:19:12 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1633346243; h=References: In-Reply-To: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=LS+QY+VKzdgB/AkNp3TgJio4Nz9Z9Q6W/Ch3KFaOk0g=; b=rNhZNOucA6YOxQQVfn1k/MAxjNknQQrvYsoaVrkuGAK/rczAzOo+yVA8aC3FkzRqtu6Je571 MK2PMkjTw9RfzPfE+azPSUHFO1VoOxdvdx7+xA/CYa8G2VT0eJ/Pg4yT6Bi455OH5caVlW9I R/PiokaTyPuIk1BTv8TjLMukRUY= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyIxZTE2YSIsICJsaW51eC11c2JAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-west-2.postgun.com with SMTP id 615ae2c3519bd8dcf00ec2a3 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 04 Oct 2021 11:17:23 GMT Sender: schowdhu=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 1E473C43616; Mon, 4 Oct 2021 11:17:23 +0000 (UTC) Received: from blr-ubuntu-525.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: schowdhu) by smtp.codeaurora.org (Postfix) with ESMTPSA id 385B7C43639; Mon, 4 Oct 2021 11:17:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 385B7C43639 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Souradeep Chowdhury To: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Bryan O'Donoghue , Bjorn Andersson , Greg KH Cc: linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, satyap@codeaurora.org, pheragu@codeaurora.org, Rajendra Nayak , Sibi Sankar , Sai Prakash Ranjan , Souradeep Chowdhury Subject: [PATCH V0 7/7] MAINTAINERS: Add maintainer entry for EUD Date: Mon, 4 Oct 2021 16:46:25 +0530 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add the entry for maintainer for EUD driver and other associated files. Signed-off-by: Souradeep Chowdhury --- MAINTAINERS | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index ca6d6fd..5ef4832 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7019,6 +7019,13 @@ F: include/trace/events/mdio.h F: include/uapi/linux/mdio.h F: include/uapi/linux/mii.h +EUD-QCOM +M: Souradeep Chowdhury +L: linux-arm-msm@vger.kernel.org +S: Maintained +F: Documentation/ABI/testing/sysfs-driver-eud +F: drivers/usb/common/qcom_eud.c + EXFAT FILE SYSTEM M: Namjae Jeon M: Sungjong Seo