From patchwork Wed May 19 09:42:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 443621 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 980E6C43470 for ; Wed, 19 May 2021 09:42:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B459611BF for ; Wed, 19 May 2021 09:42:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345886AbhESJny (ORCPT ); Wed, 19 May 2021 05:43:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60394 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345145AbhESJnw (ORCPT ); Wed, 19 May 2021 05:43:52 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8EA57C061760 for ; Wed, 19 May 2021 02:42:32 -0700 (PDT) Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ljIie-0002Bj-GO; Wed, 19 May 2021 11:42:24 +0200 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1ljIic-0007Oi-Pm; Wed, 19 May 2021 11:42:22 +0200 From: Oleksij Rempel To: Dmitry Torokhov , Rob Herring , Jonathan Cameron Cc: Oleksij Rempel , kernel@pengutronix.de, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, David Jander , devicetree@vger.kernel.org Subject: [PATCH v4 3/5] dt-bindings: touchscreen: add touchscreen-x/y-plate-ohms property Date: Wed, 19 May 2021 11:42:19 +0200 Message-Id: <20210519094221.27792-4-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210519094221.27792-1-o.rempel@pengutronix.de> References: <20210519094221.27792-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-input@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Te calculate the pressure on a restrictive touchscreen we need need to know resistance at least of X plate. Some calculations need to use both X and Y values. So, add generic properties which can be used by all drivers Signed-off-by: Oleksij Rempel Reviewed-by: Rob Herring --- .../devicetree/bindings/input/touchscreen/touchscreen.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml index 057e1063759c..2d7b039ce47f 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml +++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml @@ -77,6 +77,12 @@ properties: touchscreen-y-mm: description: vertical length in mm of the touchscreen + touchscreen-x-plate-ohms: + description: Resistance of the X-plate in Ohms + + touchscreen-y-plate-ohms: + description: Resistance of the Y-plate in Ohms + dependencies: touchscreen-size-x: [ touchscreen-size-y ] touchscreen-size-y: [ touchscreen-size-x ]