From patchwork Mon Jun 19 14:36:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Svyatoslav Ryhel X-Patchwork-Id: 1796658 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20221208 header.b=XMY1F52O; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4QlC511Twgz20XQ for ; Tue, 20 Jun 2023 00:36:36 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231312AbjFSOge (ORCPT ); Mon, 19 Jun 2023 10:36:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38024 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229448AbjFSOgd (ORCPT ); Mon, 19 Jun 2023 10:36:33 -0400 Received: from mail-lj1-x22b.google.com (mail-lj1-x22b.google.com [IPv6:2a00:1450:4864:20::22b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B3C7F1; Mon, 19 Jun 2023 07:36:32 -0700 (PDT) Received: by mail-lj1-x22b.google.com with SMTP id 38308e7fff4ca-2b479d53d48so13717411fa.1; Mon, 19 Jun 2023 07:36:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687185390; x=1689777390; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=lb3BsbwhSdIU8ke3rmUbsQpQJmTyimjl4tAXInZCbwI=; b=XMY1F52O9BeRJswuECfglKhJp0K5TP9PrZgTIoRvwkIqaEzCLjYFZ1LEAv0RELrwGs 7oYHHKGMKXw2sHR3BMolNDOcDfNyEpNlqNdQCMO9GFGRIbNS+C0wFru2przkyxjh8hXC LlUCAOOQgtz39imbzV2WISnrse8RLz9hKSN6Iim2b4klrxXZDR1pFVU9rzEcvmK+CKaK COQLmPG8LzoXXCpMCnQMyZFoAoj0vZJxfvvDQ/uk8b1fnZUZz5bV0rlcXvYnRft+sHFu eVjyxZfaAt1m3ltvDIXd4t2vD8JD5O//CLNTA0op9xXGskT8vHF7gd+EYKzADclOV8ne Amsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687185390; x=1689777390; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=lb3BsbwhSdIU8ke3rmUbsQpQJmTyimjl4tAXInZCbwI=; b=YnYLvJ+J2qyxd3zwEXmkbWME9gg2DRhfR4Dii5I7gY65MFbD41GPAhZn3iYcoB8t5X QQc4AepZwHfTCndZ4muxq6rlEJShZPwcCgimfL/jn/LLP1FtLM1Lt+nrO8DFaUYEPePd q8rZuEXlqaMBZj759XZS0siRGQRhpi1v2SlmCkblxiL3vyI7CP9Wjl/qbSBqnDOmWAKH UFulrrcEj6orbb70fdpWHSWV+bwCSxtmKaepd/kvQZuHhgGbV5AIdsTnr4ZtakYW8pxB PRtAfG7viBD38NN3WHKmn3QIgLPzJi2pNcLIsWCpXN8q+eHvZHq+xxfC8iFWfeRanGbo di4w== X-Gm-Message-State: AC+VfDxlHM+p/iyBJae34jI+5q08n/UeRkckT2Op2w2zVOdrtdfjUL1m DByn2h8wtLKepPl7xJnXM+wV+C+zG2VPIQ== X-Google-Smtp-Source: ACHHUZ6GsPsB+1U6ide6EgMslbglikC2ezyhHxNi+lDsPqQu+TQt9FwBoIglgfL7iYj0sw6VR/czyw== X-Received: by 2002:a2e:3019:0:b0:2b4:7380:233 with SMTP id w25-20020a2e3019000000b002b473800233mr2007580ljw.5.1687185389312; Mon, 19 Jun 2023 07:36:29 -0700 (PDT) Received: from xeon.. ([188.163.112.79]) by smtp.gmail.com with ESMTPSA id r13-20020aa7d58d000000b00514b2a9ce60sm13073283edq.81.2023.06.19.07.36.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 07:36:28 -0700 (PDT) From: Svyatoslav Ryhel To: Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Wolfram Sang , =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= , Svyatoslav Ryhel Cc: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 0/2] GPIO-based hotplug i2c bus Date: Mon, 19 Jun 2023 17:36:09 +0300 Message-Id: <20230619143611.24482-1-clamor95@gmail.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org ASUS Transformers require this driver for proper work with their dock. Dock is controlled by EC and its presence is detected by a GPIO. Michał Mirosław (1): i2c: Add GPIO-based hotplug gate Svyatoslav Ryhel (1): dt-bindings: i2c: add binding for i2c-hotplug-gpio .../bindings/i2c/i2c-hotplug-gpio.yaml | 68 +++++ drivers/i2c/Kconfig | 11 + drivers/i2c/Makefile | 1 + drivers/i2c/i2c-hotplug-gpio.c | 266 ++++++++++++++++++ 4 files changed, 346 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-hotplug-gpio.yaml create mode 100644 drivers/i2c/i2c-hotplug-gpio.c