From patchwork Tue Apr 10 08:57:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugen Hristev X-Patchwork-Id: 10332643 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6248D6053B for ; Tue, 10 Apr 2018 09:08:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 539A028C56 for ; Tue, 10 Apr 2018 09:08:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 476FE28D55; Tue, 10 Apr 2018 09:08:22 +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=-7.9 required=2.0 tests=BAYES_00, 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 C738F28C56 for ; Tue, 10 Apr 2018 09:08:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752881AbeDJJIE (ORCPT ); Tue, 10 Apr 2018 05:08:04 -0400 Received: from esa3.microchip.iphmx.com ([68.232.153.233]:25801 "EHLO esa3.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753149AbeDJJGe (ORCPT ); Tue, 10 Apr 2018 05:06:34 -0400 X-IronPort-AV: E=Sophos;i="5.48,431,1517900400"; d="scan'208";a="13113668" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 10 Apr 2018 02:06:33 -0700 Received: from eh-station.mchp-main.com (10.10.76.4) by chn-sv-exch02.mchp-main.com (10.10.76.38) with Microsoft SMTP Server id 14.3.352.0; Tue, 10 Apr 2018 02:06:32 -0700 From: Eugen Hristev To: , , , , , , , , , , CC: Eugen Hristev Subject: [PATCH v3 11/11] ARM: dts: at91: sama5d2: Add resistive touch device Date: Tue, 10 Apr 2018 11:57:57 +0300 Message-ID: <1523350677-27106-12-git-send-email-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1523350677-27106-1-git-send-email-eugen.hristev@microchip.com> References: <1523350677-27106-1-git-send-email-eugen.hristev@microchip.com> MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add generic resistive touch device which is connected to ADC block inside the SAMA5D2 SoC Signed-off-by: Eugen Hristev --- Changes in v3: - modified compatible and threshold to adapt to changed bindings Changes in v2: - now added a generic resistive touchscreen node instead of architecture specific arch/arm/boot/dts/sama5d2.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi index f06ba99..ce301dc 100644 --- a/arch/arm/boot/dts/sama5d2.dtsi +++ b/arch/arm/boot/dts/sama5d2.dtsi @@ -1442,6 +1442,16 @@ status = "disabled"; }; + resistive_touch: resistive-touch { + compatible = "resistive-adc-touch"; + io-channels = <&adc AT91_SAMA5D2_ADC_X_CHANNEL>, + <&adc AT91_SAMA5D2_ADC_Y_CHANNEL>, + <&adc AT91_SAMA5D2_ADC_P_CHANNEL>; + io-channel-names = "x", "y", "pressure"; + touchscreen-threshold-pressure = <50000>; + status = "disabled"; + }; + pioA: pinctrl@fc038000 { compatible = "atmel,sama5d2-pinctrl"; reg = <0xfc038000 0x600>;