From patchwork Thu Mar 21 08:21:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10863029 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 3662F1575 for ; Thu, 21 Mar 2019 08:21:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1E93C29F21 for ; Thu, 21 Mar 2019 08:21:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 12DC429FE7; Thu, 21 Mar 2019 08:21:44 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham 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 B1D5E29F21 for ; Thu, 21 Mar 2019 08:21:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727977AbfCUIVV (ORCPT ); Thu, 21 Mar 2019 04:21:21 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:38611 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727972AbfCUIVV (ORCPT ); Thu, 21 Mar 2019 04:21:21 -0400 Received: by mail-pf1-f195.google.com with SMTP id 10so3830905pfo.5 for ; Thu, 21 Mar 2019 01:21:20 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=YMUNzEzuNv5+/G7LTk2UNMwsYgPjYrZ+abL8baBFG1I=; b=J/YsD8di/55xadaz8dvQEnlByFKXWpDWuyPthAKmZnRlx+9Nkxo8XX25M51UZnP3ZJ xjRB63poBciyqTWuhw41lz/GkHOVl7e22QDTaFWj9HiPmGLvwmd9+5ov5xZpoY735fWW xZE3z0vpB8Tq10rvjJ1ujaVT/NkweRSMnAMXE= 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=YMUNzEzuNv5+/G7LTk2UNMwsYgPjYrZ+abL8baBFG1I=; b=f/r8gjesTHt9JKHNMqsEqgbht7Iz2GQsqfhSubeSHgEg1GrWIvkDj7vLHeeRXCMMoH xheCzp1WdctmyzFbncqQRiA8PTEJRs1WmpMlzsdfSY5uYd0ZmTnwTUWO9eDypvAyrMR0 URCrJEF/zN70cAuHgSnd7N9hev0T5mPwkZ6Xfms3hRwn5NMCjjohu19bX6+1O2as9HNG bzpSgYkxUxdG0avhRVGEZ9ewbwOmvEWO6UJxwuGg69wgtM8nHJstz4/1G/UHqa6HvWYm aiW2rQ1I/JBJ3i63S7VO5fxgs4TwBYpDWS2h102aEFDNfvnyDzBPzbKF2PoY2RMXe0Th ZQIw== X-Gm-Message-State: APjAAAWqnBT/EMf8zxusWsZTqfxcZNH0qKiQlewzVFU88gvksf4O5c07 hjU2/XiYz1oEg+I6DJfhoaDrzg== X-Google-Smtp-Source: APXvYqw0vT4bnNimJrk86UnIp+C1drymPdpGuM6BqyJ7N3fxlEb8G+5phcT8jCw5YAydtbCQFd0LgA== X-Received: by 2002:a17:902:a5c9:: with SMTP id t9mr2228455plq.196.1553156480222; Thu, 21 Mar 2019 01:21:20 -0700 (PDT) Received: from localhost.localdomain ([49.206.202.234]) by smtp.gmail.com with ESMTPSA id b138sm6288681pfb.48.2019.03.21.01.21.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Mar 2019 01:21:19 -0700 (PDT) From: Jagan Teki To: Dmitry Torokhov , Bastien Nocera , Rob Herring Cc: Henrik Rydberg , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Mark Rutland , linux-amarula@amarulasolutions.com, Michael Trimarchi , Jagan Teki Subject: [PATCH v7 1/4] dt-bindings: input: touchscreen: goodix: Document regulator properties Date: Thu, 21 Mar 2019 13:51:01 +0530 Message-Id: <20190321082104.2874-2-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190321082104.2874-1-jagan@amarulasolutions.com> References: <20190321082104.2874-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Goodix CTP controllers support analog, digital and gpio regulator supplies on relevant controller pin configurations. Out of which AVDD28 and VDDIO regulators are required in few goodix CTP chips during power-on sequence. AVDD22, DVDD12 regulators have no relevant functionality described from datasheet [1]. So, document both AVDD28, VDDIO regulators into optional properties since few of the goodix chip do work without these regulator power-on sequence. [1] GT5663 Datasheet_English_20151106_Rev.01 Signed-off-by: Jagan Teki Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/input/touchscreen/goodix.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt index 8cf0b4d38a7e..255673250bbd 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt @@ -19,6 +19,8 @@ Optional properties: - irq-gpios : GPIO pin used for IRQ. The driver uses the interrupt gpio pin as output to reset the device. - reset-gpios : GPIO pin used for reset + - AVDD28-supply : Analog power supply regulator on AVDD28 pin + - VDDIO-supply : GPIO power supply regulator on VDDIO pin - touchscreen-inverted-x - touchscreen-inverted-y - touchscreen-size-x