From patchwork Wed Nov 25 06:39:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Lifshitz X-Patchwork-Id: 7695801 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 08315C05CA for ; Wed, 25 Nov 2015 06:41:13 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3D21F208B5 for ; Wed, 25 Nov 2015 06:41:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7190C208AB for ; Wed, 25 Nov 2015 06:41:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932399AbbKYGlI (ORCPT ); Wed, 25 Nov 2015 01:41:08 -0500 Received: from softlayer.compulab.co.il ([50.23.254.55]:58877 "EHLO compulab.co.il" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755078AbbKYGki (ORCPT ); Wed, 25 Nov 2015 01:40:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=compulab.co.il; s=default; h=References:In-Reply-To:Message-Id:Date:Subject :Cc:To:From; bh=HkBWs27M0AtHlyrSZJY7SgYmgYPN+HE2VOjFS6LC6ME=; b=hYJ3HNXvMgFIm SdTJEh8ZMPZZhGGswCN0gKRvUjM10SoDsg4yzhDCuoAdgFwYzs8hCMd1PRfceHwtuseve59Oo3oTn M8p9GEj+uWe8vEM+W04sRR4dv00lDpxoRTGVMOZd9WqfRQpW6tuLz1G+9HQAOszzVmQDeCxXVnhFD J/k0=; Received: from [82.166.188.245] (port=39559 helo=zimbra-mta.compulab.co.il) by softlayer.compulab.co.il with esmtp (Exim 4.86) (envelope-from ) id 1a1Tkr-0000rx-K0; Wed, 25 Nov 2015 08:40:37 +0200 Received: from localhost (localhost [127.0.0.1]) by zimbra-mta.compulab.co.il (Postfix) with ESMTP id EF69148453A; Wed, 25 Nov 2015 08:40:35 +0200 (IST) Received: from zimbra-mta.compulab.co.il ([127.0.0.1]) by localhost (zimbra-mta.compulab.co.il [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id frb4k6VB8WL3; Wed, 25 Nov 2015 08:40:35 +0200 (IST) Received: from localhost (localhost [127.0.0.1]) by zimbra-mta.compulab.co.il (Postfix) with ESMTP id E99784844F2; Wed, 25 Nov 2015 08:40:34 +0200 (IST) X-Virus-Scanned: amavisd-new at zimbra-mta.compulab.co.il Received: from zimbra-mta.compulab.co.il ([127.0.0.1]) by localhost (zimbra-mta.compulab.co.il [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id wAO5yNlUH0Sl; Wed, 25 Nov 2015 08:40:34 +0200 (IST) Received: from dlifshitz.compulab.local (lifshitz-linux.compulab.local [192.168.11.10]) by zimbra-mta.compulab.co.il (Postfix) with ESMTPSA id C99C64844B9; Wed, 25 Nov 2015 08:40:34 +0200 (IST) From: Dmitry Lifshitz To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: Toni Lindgren , Igor Grinberg , Nikita Kiryanov , Ian Campbell , Dmitry Lifshitz Subject: [PATCH 09/18] ARM: am57xx: cl-som-am57x: dts: add touchscreen support Date: Wed, 25 Nov 2015 08:39:41 +0200 Message-Id: <1448433590-1399-10-git-send-email-lifshitz@compulab.co.il> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1448433590-1399-1-git-send-email-lifshitz@compulab.co.il> References: <1448433590-1399-1-git-send-email-lifshitz@compulab.co.il> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - softlayer.compulab.co.il X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - compulab.co.il X-Get-Message-Sender-Via: softlayer.compulab.co.il: acl_c_recent_authed_mail_ips_text_entry: lifshitz@compulab.co.il|compulab.co.il X-Authenticated-Sender: softlayer.compulab.co.il: lifshitz@compulab.co.il Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add ADS7846 touchscreen support. Signed-off-by: Dmitry Lifshitz Acked-by: Igor Grinberg --- arch/arm/boot/dts/am57xx-cl-som-am57x.dts | 44 +++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts index eba12a4..1830d4f 100644 --- a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts +++ b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts @@ -43,6 +43,13 @@ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; + + ads7846reg: fixedregulator-ads7846-reg { + compatible = "regulator-fixed"; + regulator-name = "ads7846-reg"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; }; &dra7_pmx_core { @@ -183,6 +190,12 @@ DRA7XX_CORE_IOPAD(0x3640, PIN_INPUT | MUX_MODE15) >; }; + + ads7846_pins: pinmux_ads7846_pins { + pinctrl-single,pins = < + DRA7XX_CORE_IOPAD(0x3464, PIN_INPUT_PULLDOWN | MUX_MODE14) /* gpmc_a9.gpio1_31 */ + >; + }; }; &i2c1 { @@ -450,6 +463,37 @@ reg = <0x100000 0x0>; }; }; + + /* touch controller */ + ads7846@0 { + pinctrl-names = "default"; + pinctrl-0 = <&ads7846_pins>; + + compatible = "ti,ads7846"; + vcc-supply = <&ads7846reg>; + + reg = <1>; /* CS1 */ + spi-max-frequency = <1500000>; + + interrupt-parent = <&gpio1>; + interrupts = <31 0>; + pendown-gpio = <&gpio1 31 0>; + + + ti,x-min = /bits/ 16 <0x0>; + ti,x-max = /bits/ 16 <0x0fff>; + ti,y-min = /bits/ 16 <0x0>; + ti,y-max = /bits/ 16 <0x0fff>; + + ti,x-plate-ohms = /bits/ 16 <180>; + ti,pressure-max = /bits/ 16 <255>; + + ti,debounce-max = /bits/ 16 <30>; + ti,debounce-tol = /bits/ 16 <10>; + ti,debounce-rep = /bits/ 16 <1>; + + linux,wakeup; + }; }; &mac {