From patchwork Tue Mar 27 12:32:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugen Hristev X-Patchwork-Id: 10309887 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 08B1C60212 for ; Tue, 27 Mar 2018 12:39:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E9AB229D41 for ; Tue, 27 Mar 2018 12:39:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DE32329D39; Tue, 27 Mar 2018 12:39:15 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 74B2929D41 for ; Tue, 27 Mar 2018 12:39:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=e1B3vYrjx0yTpXDc0NhG3psp/DdkHvXGZCpxSvHN2JE=; b=PFdbtu7dQq2JsK xLlRH/fqHe+Sm0DsD8z1s5dM5c4J4kcULLojezSRULmPnC+KgCXw5C+dYNcER86AmcwxxaU2CH44+ lT/+WOWKTCcZuLsmPnuy2eflhqtvzy6hoSD+3k+WAr7AMUYMqD45TzfgeOqBH/6rdsWdA2y7nc/6k tiKeiKI+AGBlg+lmONGXmdEPPuKPa6rzWJClDqGFbwHMRlWC4H/rctPbXqGLaqmhwxS2slrJ4njgy 26RFL9FoXoCB2J0xlQNNtbTMxcqClOnbtfVsI/ZK6S/QtVYcqEAu/+/asj2pHOxs5MGtkEQQvLp8A 75T+zTCG344ZzWVWWt6g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1f0nsY-0007MH-0S; Tue, 27 Mar 2018 12:39:06 +0000 Received: from esa5.microchip.iphmx.com ([216.71.150.166]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1f0nop-0004QK-PZ for linux-arm-kernel@lists.infradead.org; Tue, 27 Mar 2018 12:35:17 +0000 X-IronPort-AV: E=Sophos;i="5.48,367,1517900400"; d="scan'208";a="10562918" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 27 Mar 2018 05:35:11 -0700 Received: from eh-station.microchip.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, 27 Mar 2018 05:35:09 -0700 From: Eugen Hristev To: , , , , , , , , , Subject: [PATCH v2 10/10] ARM: dts: at91: sama5d2: Add resistive touch device Date: Tue, 27 Mar 2018 15:32:43 +0300 Message-ID: <1522153963-1121-11-git-send-email-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1522153963-1121-1-git-send-email-eugen.hristev@microchip.com> References: <1522153963-1121-1-git-send-email-eugen.hristev@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180327_053515_856403_CE0B39FA X-CRM114-Status: UNSURE ( 9.93 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eugen Hristev Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 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..0d87dc0 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 = "generic-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"; + generic-resistive-adc-touch,pressure-threshold = <10000>; + status = "disabled"; + }; + pioA: pinctrl@fc038000 { compatible = "atmel,sama5d2-pinctrl"; reg = <0xfc038000 0x600>;