From patchwork Fri Aug 21 13:26:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sanchayan X-Patchwork-Id: 7052001 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BF5FF9F344 for ; Fri, 21 Aug 2015 13:32:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E79EA2061D for ; Fri, 21 Aug 2015 13:32:14 +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 AB99020529 for ; Fri, 21 Aug 2015 13:32:13 +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 1ZSmOl-0002k9-Cv; Fri, 21 Aug 2015 13:30:23 +0000 Received: from mail-wi0-x22d.google.com ([2a00:1450:400c:c05::22d]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZSmOf-0001Wl-03 for linux-arm-kernel@lists.infradead.org; Fri, 21 Aug 2015 13:30:17 +0000 Received: by wicne3 with SMTP id ne3so16159641wic.0 for ; Fri, 21 Aug 2015 06:29:55 -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=WIJeJbI8RD+VYDZGZTyygl9gl81Y22yeFut9eXMXKk8=; b=DQ+JYGp1bzVqEWfjzCopki/y8oLGQ+NDu1F3WvG+pUoLw9XpxxWuNizvmwomtGBN33 GUYVzTK/OJn0cxj9mFe/Iy+BDSC057p1pX8aPPXDdd+n4CfbSXWbtL3MB+e7wD4TB837 YoYAjCdCHyxysKUTDVF3QRvycG1qrwW6rzUqFrhBR363bJySrS0hqQNbBUkHJhiViZT6 RLE27hiVOirANz60UdQ0BseJSLCPWYDvR6R+D5Wloa75ipqzCXjIvHPAaxUXN+M3eyVq HwLNuwQzA9pFzrF0eoiHNZQf97owFcEtSLYlj4gHo4gbw/lKoSRT/89+XRIJpCyAIY4E liIA== X-Received: by 10.194.113.170 with SMTP id iz10mr15669954wjb.58.1440163795454; Fri, 21 Aug 2015 06:29:55 -0700 (PDT) Received: from localhost ([46.140.72.82]) by smtp.gmail.com with ESMTPSA id fa8sm2989238wib.14.2015.08.21.06.29.54 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 21 Aug 2015 06:29:54 -0700 (PDT) From: Sanchayan Maity To: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v4 1/3] ARM: dts: vf500-colibri: Add device tree node for touchscreen support Date: Fri, 21 Aug 2015 18:56:30 +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-20150821_063017_188523_784E65FC X-CRM114-Status: GOOD ( 10.63 ) 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: linux-arm-kernel@lists.infradead.org, Sanchayan Maity , shawnguo@kernel.org, linux-kernel@vger.kernel.org, stefan@agner.ch 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=-4.9 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 | 47 +++++++++++++++++++++++++++++ 2 files changed, 51 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..84f091d 100644 --- a/arch/arm/boot/dts/vf500-colibri.dtsi +++ b/arch/arm/boot/dts/vf500-colibri.dtsi @@ -17,4 +17,51 @@ 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>; + interrupt-parent = <&gpio0>; + interrupts = <8 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names = "idle","default","gpios"; + pinctrl-0 = <&pinctrl_touchctrl_idle>; + pinctrl-1 = <&pinctrl_touchctrl_default>; + pinctrl-2 = <&pinctrl_touchctrl_gpios>; + vf50-ts-min-pressure = <200>; + 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 + >; + }; + }; };