From patchwork Tue Sep 4 21:34:11 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prakruthi Deepak Heragu X-Patchwork-Id: 10588033 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B56F85A4 for ; Tue, 4 Sep 2018 21:36:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A776028A96 for ; Tue, 4 Sep 2018 21:36:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9BB8F2A0A6; Tue, 4 Sep 2018 21:36:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5139528A96 for ; Tue, 4 Sep 2018 21:36:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726961AbeIECCm (ORCPT ); Tue, 4 Sep 2018 22:02:42 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:35194 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725825AbeIECCm (ORCPT ); Tue, 4 Sep 2018 22:02:42 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 707C96034F; Tue, 4 Sep 2018 21:35:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1536096943; bh=IKS+c0VD0lEcZjTtdAy7fcfc1V7M4yOJ6jYoE19hJdY=; h=From:To:Cc:Subject:Date:From; b=YBoiyPdCGLrLNJ8RqWZcgLZZhwG/kGH+PCPtaoi91g9YM/uLlDTaejRMYctWH4qzp qUpr/7NGp1/GGc5VCyyaR22hlQL6iO4DgIywtYyUh38QKddAozz79f2led/JocoDrp r2T0BqcO6fnN171zT6nfeqvEQvQQa2eU0Ftx3EPY= Received: from pheragu-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: pheragu@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id B29C26034F; Tue, 4 Sep 2018 21:35:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1536096943; bh=IKS+c0VD0lEcZjTtdAy7fcfc1V7M4yOJ6jYoE19hJdY=; h=From:To:Cc:Subject:Date:From; b=YBoiyPdCGLrLNJ8RqWZcgLZZhwG/kGH+PCPtaoi91g9YM/uLlDTaejRMYctWH4qzp qUpr/7NGp1/GGc5VCyyaR22hlQL6iO4DgIywtYyUh38QKddAozz79f2led/JocoDrp r2T0BqcO6fnN171zT6nfeqvEQvQQa2eU0Ftx3EPY= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B29C26034F Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=pheragu@codeaurora.org From: Prakruthi Deepak Heragu To: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, rnayak@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, Prakruthi Deepak Heragu Subject: [PATCH v2 0/2] Add Embedded USB Debugger (EUD) driver Date: Tue, 4 Sep 2018 14:34:11 -0700 Message-Id: <1536096853-30473-1-git-send-email-pheragu@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This is a series of patches that implements a driver for the control peripheral, EUD (Embedded USB Debugger). The EUD is a mini-USB hub implemented on chip to support the USB-based debug and trace capabilities. Apart from debug capabilities, EUD has a control peripheral. Control Peripheral is on when EUD is on and gets signals like USB attach, pet EUD, charge phone etc. EUD driver listens to events like USB attach or detach and charger enable or disable and then notifies the USB driver or PMIC driver respectively about these events via EXTCON. At regular intervals, the EUD driver receives an interrupt to pet the driver indicating that the software is functional. Changes since v1: - Remove EUD_NR as it is an unused macro Changes since v0: - Remove select SERIAL_CORE from Kconfig as this patch doesn't involve anything related to serial console - Changed the dt-bindings to remove extcon and replace it with graphs to represent a connection with client Prakruthi Deepak Heragu (2): dt-bindings: Documentation for qcom,eud Embedded USB Debugger (EUD) driver .../devicetree/bindings/soc/qcom/qcom,msm-eud.txt | 41 +++ drivers/soc/qcom/Kconfig | 12 + drivers/soc/qcom/Makefile | 1 + drivers/soc/qcom/eud.c | 338 +++++++++++++++++++++ 4 files changed, 392 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt create mode 100644 drivers/soc/qcom/eud.c