From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BA76C2BC11 for ; Fri, 4 Sep 2020 19:18:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4FD1320684 for ; Fri, 4 Sep 2020 19:18:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="CJ4sNtaV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727114AbgIDTSw (ORCPT ); Fri, 4 Sep 2020 15:18:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726265AbgIDTSu (ORCPT ); Fri, 4 Sep 2020 15:18:50 -0400 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A7643C061244 for ; Fri, 4 Sep 2020 12:18:49 -0700 (PDT) Received: by mail-pf1-x443.google.com with SMTP id b124so5108030pfg.13 for ; Fri, 04 Sep 2020 12:18:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BQ3Za1ulBYpN6P3MWzPM8LHHd18bcHtpU18gBebPUd8=; b=CJ4sNtaVT/wZNtZnBVnxz7DODlBAmOVNmIGMPjv6QcCUBziyn96kTlpdgR76NVKTQD kikQUpeq5K2YSKosNrj/D/vyT/Nv14u8Xrci14GTIppj2owJuAZ8i+6xoyQgGX79vDIP a+h4rbgnL/5/aKwRBzcPda/hRo9OSnIkF89Nw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BQ3Za1ulBYpN6P3MWzPM8LHHd18bcHtpU18gBebPUd8=; b=Idq7zqLMcwnrTF1VLSCh7IGo05/k9q87jlPU3+tTbTXlAWPeecbdIalgDZ4V0Jl9rk ZRAiLCKq0fLv/0g087ypbxwCbbfwFAnehUWhTMAWha/FWXCbVw3Y/+CFbYAhEEuS0vLb BDrBGU+RddxeR+6ZU6MpqvryGXhGObxAX5TYaSFlRiFO4na/ivnWmzKUjXSH2Cu0b9ah CyXXWft52q+7ASs4GwMj4///ypRHGVQ+2ej3D00bCK4tL5UJAbWGXlv40Xuw7FcHij7F C2Xfx58rJ1QSgvODhzoxMy7+gdBu8n1q+rU6dPgnKq+cQC8CTWHPoVOrPZjy246s9sGX lItw== X-Gm-Message-State: AOAM532FPi4LlaRTpluTPMbGo8nYp+HAEdr7sgx6fsvCl4yi4tgKQwZb xBED215l3qO8xFcwgpHiw2ISew== X-Google-Smtp-Source: ABdhPJxL1HrEmjVqHII42Qjc4LuSWAD0dWbQkB6r3vNPeYT1NHHcj1jRE7Uwi0GsLh3NqWV7jmmcNw== X-Received: by 2002:a62:5e45:: with SMTP id s66mr9893108pfb.230.1599247129115; Fri, 04 Sep 2020 12:18:49 -0700 (PDT) Received: from localhost.localdomain ([2405:201:c809:c7d5:b9ea:24bf:6b2b:1eee]) by smtp.gmail.com with ESMTPSA id t4sm5986001pje.56.2020.09.04.12.18.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Sep 2020 12:18:48 -0700 (PDT) From: Jagan Teki To: MyungJoo Ham , Chanwoo Choi , Rob Herring , Heiko Stuebner Cc: Tom Cubie , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-amarula@amarulasolutions.com, Jagan Teki Subject: [PATCH 0/3] extcon: Add Type-C Virtual PD Date: Sat, 5 Sep 2020 00:48:27 +0530 Message-Id: <20200904191830.387296-1-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org USB Type-C protocol supports various modes of operations includes PD, USB3, and Altmode. If the platform design supports a Type-C connector then configuring these modes can be done via enumeration. However, there are some platforms that design these modes of operations as separate protocol connectors like design Display Port from on-chip USB3 controller. So accessing Type-C Altmode Display Port via onboard Display Port connector instead of a Type-C connector. These kinds of platforms require an explicit extcon driver in order to handle Power Delivery and Port Detection. This series support this Type-C Virtual PD and enable the same in ROCK Pi 4C SBC. Any inputs? Jagan. Jagan Teki (3): dt-bindings: extcon: Document Type-C Virtual PD driver extcon: Add Type-C Virtual PD driver arm64: dts: rk3399-rock-pi-4c: Enable Display Port .../extcon/extcon-usbc-virtual-pd.yaml | 66 ++++ MAINTAINERS | 6 + .../boot/dts/rockchip/rk3399-rock-pi-4c.dts | 16 + drivers/extcon/Kconfig | 10 + drivers/extcon/Makefile | 1 + drivers/extcon/extcon-usbc-virtual-pd.c | 285 ++++++++++++++++++ 6 files changed, 384 insertions(+) create mode 100644 Documentation/devicetree/bindings/extcon/extcon-usbc-virtual-pd.yaml create mode 100644 drivers/extcon/extcon-usbc-virtual-pd.c -- 2.25.1