From patchwork Fri Dec 14 15:12:14 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pawe=C5=82_Chmiel?= X-Patchwork-Id: 1013590 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="AA+sTsi+"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43GYvT59kSz9sB5 for ; Sat, 15 Dec 2018 02:12:53 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730440AbeLNPMq (ORCPT ); Fri, 14 Dec 2018 10:12:46 -0500 Received: from mail-lj1-f195.google.com ([209.85.208.195]:44148 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730425AbeLNPMp (ORCPT ); Fri, 14 Dec 2018 10:12:45 -0500 Received: by mail-lj1-f195.google.com with SMTP id k19-v6so5167567lji.11; Fri, 14 Dec 2018 07:12:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XFPTtMJpSFiF4PFAqSj6g1FCx0iqQrUaJq/0mQ1Us/I=; b=AA+sTsi+2r9TaO4AjoiPveHi7QEZ6CyRaTCdXyKbmlI4V5cPPLC9vA20OsRILHzxQr CvZg0bUe/UPRkXVS0MVkXtL6IhiWSOfC8Kex/z1PmxDwJchTZm4w+muB6fO9ewNLO+as XyS86vKWHrbwDakwcrtK8Ol3ZbSCqYn251CyJjaeuF1BOY6QpNqzP2ygsQ+7zLkid0gB hVA9d4lK73+xUAZeUDzFPv0m1UGCnRpfA1DEY5OSjFhs7u07FasCp7QwhuOTcZP0JWPj anWcHm7OQpXHjxwVdu7QwF6x2wSJQauFEY6WcE1OE+hJkLwH7cHdgNkSNKlrPcnrQeWo kfiw== 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=XFPTtMJpSFiF4PFAqSj6g1FCx0iqQrUaJq/0mQ1Us/I=; b=qmbJYsMna5X1EKgaelBrC83ES0dQ5aX6A6MB+fBqpFBw6gLFwLyVPK8XvNzABy7GeH Hze6QHdWclL2t7HDUVklqAw4wjpUp5fLXPLdJgiA1wM8pwjlnchfCsjiOFXpvmt79Iqu Rv1Ymq9ldlnPgGeKPPLFvPCIQUfxLmGSKkAvU3MPF1pEnJ+x9sDPHiM3hZgIcrMHFwkc vMEeyfgil67ktZBE64GWvOh/jQYg8C3OMck/x3XsAXsJVPaoST9BCcOpt1K5Nm2OHGg4 +PsVya4rHO32U4xftCgSYj2FMUidQR3UUpYssYryNz7L3zXu2faNOlsj0Z9f32QiylWB 7q9A== X-Gm-Message-State: AA+aEWbz8V3ih/Wb2jt41bmcl+vzLGYYG/lV6Bx5xuso37SOvQBNOcTC 8Tk2VWNkwwoc5+NDTpTFsvZP/Bjs+eI= X-Google-Smtp-Source: AFSGD/UpvwuG6QLqDJlXq4Uy1lBkqEcft6k+rwE4UIl4p+PwyZEFl5PQO5/79a6L9O4ktaEg+Nx93Q== X-Received: by 2002:a2e:87c3:: with SMTP id v3-v6mr2259538ljj.13.1544800363045; Fri, 14 Dec 2018 07:12:43 -0800 (PST) Received: from localhost.localdomain ([2a02:a315:5445:5300:976:99fb:a7e3:627c]) by smtp.googlemail.com with ESMTPSA id o17sm951975lff.77.2018.12.14.07.12.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 14 Dec 2018 07:12:42 -0800 (PST) From: =?utf-8?q?Pawe=C5=82_Chmiel?= To: nick@shmanahar.org Cc: dmitry.torokhov@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com, nicolas.ferre@microchip.com, alexandre.belloni@bootlin.com, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, =?utf-8?q?Pawe=C5=82_Chmiel?= Subject: [PATCH v5 3/3] Input: atmel_mxt_ts: Document optional voltage regulators Date: Fri, 14 Dec 2018 16:12:14 +0100 Message-Id: <20181214151214.5391-4-pawel.mikolaj.chmiel@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181214151214.5391-1-pawel.mikolaj.chmiel@gmail.com> References: <20181214151214.5391-1-pawel.mikolaj.chmiel@gmail.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document new optional voltage regulators, which can be used to power down/up touchscreen. Signed-off-by: Paweł Chmiel Reviewed-by: Rob Herring Reviewed-by: Sebastian Reichel --- Changes from v1: - Added reviewed-by --- .../devicetree/bindings/input/atmel,maxtouch.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt index c88919480d37..17930ecadad3 100644 --- a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt +++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt @@ -31,6 +31,12 @@ Optional properties for main touchpad device: - reset-gpios: GPIO specifier for the touchscreen's reset pin (active low) +- avdd-supply: Analog power supply. It powers up the analog channel block + of the controller to detect the touches. + +- vdd-supply: Digital power supply. It powers up the digital block + of the controller to enable i2c communication. + Example: touch@4b { @@ -38,4 +44,6 @@ Example: reg = <0x4b>; interrupt-parent = <&gpio>; interrupts = ; + avdd-supply = <&atsp_reg>; + vdd-supply = <&tsp_reg>; };