From patchwork Wed Aug 5 08:55:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sanchayan X-Patchwork-Id: 6947091 Return-Path: X-Original-To: patchwork-linux-arm@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 E8465C05AC for ; Wed, 5 Aug 2015 09:01:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 62AF420495 for ; Wed, 5 Aug 2015 09:01:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E1A082041A for ; Wed, 5 Aug 2015 09:01:29 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZMuXx-0002Dy-R4; Wed, 05 Aug 2015 08:59:37 +0000 Received: from mail-wi0-x235.google.com ([2a00:1450:400c:c05::235]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZMuXm-0001pz-FC for linux-arm-kernel@lists.infradead.org; Wed, 05 Aug 2015 08:59:29 +0000 Received: by wibxm9 with SMTP id xm9so199139404wib.0 for ; Wed, 05 Aug 2015 01:59:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=9gX0qy7mfKDAizfQJ+3uWCQvh62KjC9mgIZQpUfwVnc=; b=b/cDx3vEbXYX54IGHSQcOs6Ne8D/naOAPlYBEQvMnwFkhBtqN32FI133+z9wUNQtbs 4Q4ahOEtrzsHHKBJzJBzRkGMNLFSTG2OYxW70ymcWe2awzKWpfyLjJa22j6nFUFZLraa J/8TL/XesiN3e7uIXDFd25dFc97+cMrjsA1v7cIDvR9TGQPm5QJXDze7F9R/Qkd+hgBI hN6//8P3UUMb9CLiJalOmN/RYnLmhnWCXjWEPvvm4hyx4O9JB1vF1Q3xThNOQbVmRXxz 4Cpt6gdUmd2qVlooJQz7+a9xPT45ds62n8DW5y2q1k0ozdBbh1jm7TooF4cAxQKw8i8f D1OA== X-Received: by 10.194.90.171 with SMTP id bx11mr16855770wjb.129.1438765143178; Wed, 05 Aug 2015 01:59:03 -0700 (PDT) Received: from localhost ([46.140.72.82]) by smtp.gmail.com with ESMTPSA id mc4sm6528261wic.6.2015.08.05.01.59.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 05 Aug 2015 01:59:02 -0700 (PDT) From: Sanchayan Maity To: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 1/3] ARM: dts: vf500-colibri: Add device tree node for touchscreen support Date: Wed, 5 Aug 2015 14:25:49 +0530 Message-Id: X-Mailer: git-send-email 2.5.0 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150805_015926_904554_9CCBBC6A X-CRM114-Status: GOOD ( 10.03 ) X-Spam-Score: -2.7 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, linux-kernel@vger.kernel.org, stefan@agner.ch, Sanchayan Maity , robh+dt@kernel.org, kernel@pengutronix.de, galak@codeaurora.org, shawn.guo@linaro.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable 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 device tree node for touchscreen support on Colibri VF50. The touchscreen functionality on VF50 uses the ADC channels of Vybrid and some GPIOs. Also add pinctrl nodes for proper pinmux. Signed-off-by: Sanchayan Maity --- arch/arm/boot/dts/vf500-colibri-eval-v3.dts | 4 +++ arch/arm/boot/dts/vf500-colibri.dtsi | 45 +++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+) diff --git a/arch/arm/boot/dts/vf500-colibri-eval-v3.dts b/arch/arm/boot/dts/vf500-colibri-eval-v3.dts index 7fc782c..14c0b00 100644 --- a/arch/arm/boot/dts/vf500-colibri-eval-v3.dts +++ b/arch/arm/boot/dts/vf500-colibri-eval-v3.dts @@ -15,3 +15,7 @@ model = "Toradex Colibri VF50 on Colibri Evaluation Board"; compatible = "toradex,vf500-colibri_vf50-on-eval", "toradex,vf500-colibri_vf50", "fsl,vf500"; }; + +&touchscreen { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/vf500-colibri.dtsi b/arch/arm/boot/dts/vf500-colibri.dtsi index cee34a3..6e795f3 100644 --- a/arch/arm/boot/dts/vf500-colibri.dtsi +++ b/arch/arm/boot/dts/vf500-colibri.dtsi @@ -17,4 +17,49 @@ memory { reg = <0x80000000 0x8000000>; }; + + touchscreen: vf50-touchscreen { + compatible = "toradex,vf50-touchscreen"; + io-channels = <&adc1 0>,<&adc0 0>, + <&adc0 1>,<&adc1 2>; + xp-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; + xm-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>; + yp-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>; + ym-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>; + pen-detect-gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>; + pinctrl-names = "idle","default","gpios"; + pinctrl-0 = <&pinctrl_touchctrl_idle>; + pinctrl-1 = <&pinctrl_touchctrl_default>; + pinctrl-2 = <&pinctrl_touchctrl_gpios>; + status = "disabled"; + }; +}; + +&iomuxc { + vf610-colibri { + pinctrl_touchctrl_idle: touchctrl_idle { + fsl,pins = < + VF610_PAD_PTA18__GPIO_8 0x006d + VF610_PAD_PTA19__GPIO_9 0x006c + >; + }; + + pinctrl_touchctrl_default: touchctrl_default { + fsl,pins = < + VF610_PAD_PTA18__ADC0_SE0 0x0040 + VF610_PAD_PTA19__ADC0_SE1 0x0040 + VF610_PAD_PTA16__ADC1_SE0 0x0040 + VF610_PAD_PTB2__ADC1_SE2 0x0040 + >; + }; + + pinctrl_touchctrl_gpios: touchctrl_gpios { + fsl,pins = < + VF610_PAD_PTA23__GPIO_13 0x22e9 + VF610_PAD_PTB23__GPIO_93 0x22e9 + VF610_PAD_PTA22__GPIO_12 0x22e9 + VF610_PAD_PTA11__GPIO_4 0x22e9 + >; + }; + }; };