From patchwork Wed May 21 17:36:13 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 4218211 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4993C9F32A for ; Wed, 21 May 2014 17:37:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 68FF3202A7 for ; Wed, 21 May 2014 17:37:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 87C1920272 for ; Wed, 21 May 2014 17:37:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753093AbaEURhP (ORCPT ); Wed, 21 May 2014 13:37:15 -0400 Received: from ring0.de ([5.45.105.125]:57832 "EHLO ring0.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752966AbaEURgf (ORCPT ); Wed, 21 May 2014 13:36:35 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 From: Sebastian Reichel To: Sebastian Reichel , Dmitry Torokhov , Dmitry Torokhov , linux-input@vger.kernel.org, Tony Lindgren , Rob Herring Cc: Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, Sebastian Reichel Subject: [PATCHv4 3/4] Documentation: dt: Document TSC2005 DT binding Date: Wed, 21 May 2014 19:36:13 +0200 Message-Id: <1400693774-21306-4-git-send-email-sre@kernel.org> X-Mailer: git-send-email 2.0.0.rc2 In-Reply-To: <1400693774-21306-1-git-send-email-sre@kernel.org> References: <1400693774-21306-1-git-send-email-sre@kernel.org> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add devicetree binding documentation for TSC2005 touchscreen. Reviewed-by: Pavel Machek Acked-by: Aaro Koskinen Signed-off-by: Sebastian Reichel --- .../bindings/input/touchscreen/tsc2005.txt | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt diff --git a/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt new file mode 100644 index 0000000..4b641c7 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt @@ -0,0 +1,42 @@ +* Texas Instruments tsc2005 touchscreen controller + +Required properties: + - compatible : "ti,tsc2005" + - reg : SPI device address + - spi-max-frequency : Maximal SPI speed + - interrupts : IRQ specifier + - reset-gpios : GPIO specifier + - vio-supply : Regulator specifier + +Optional properties: + - ti,x-plate-ohms : integer, resistance of the touchscreen's X plates + in ohm (defaults to 280) + - ti,esd-recovery-timeout-ms : integer, if the touchscreen does not respond after + the configured time (in milli seconds), the driver + will reset it. This is disabled by default. + - properties defined in touchscreen.txt + +Example: + +&mcspi1 { + tsc2005@0 { + compatible = "ti,tsc2005"; + spi-max-frequency = <6000000>; + reg = <0>; + + vio-supply = <&vio>; + + reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; /* 104 */ + interrupts-extended = <&gpio4 4 IRQ_TYPE_EDGE_RISING>; /* 100 */ + + touchscreen-fuzz-x = <4>; + touchscreen-fuzz-y = <7>; + touchscreen-fuzz-pressure = <2>; + touchscreen-max-x = <4096>; + touchscreen-max-y = <4096>; + touchscreen-max-pressure = <2048>; + + ti,x-plate-ohms = <280>; + ti,esd-recovery-timeout-ms = <8000>; + }; +}