From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5F09C282C4 for ; Tue, 22 Jan 2019 13:22:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B32F21721 for ; Tue, 22 Jan 2019 13:22:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728625AbfAVNWA (ORCPT ); Tue, 22 Jan 2019 08:22:00 -0500 Received: from mxout017.mail.hostpoint.ch ([217.26.49.177]:59197 "EHLO mxout017.mail.hostpoint.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728215AbfAVNV4 (ORCPT ); Tue, 22 Jan 2019 08:21:56 -0500 Received: from [10.0.2.45] (helo=asmtp012.mail.hostpoint.ch) by mxout017.mail.hostpoint.ch with esmtp (Exim 4.91 (FreeBSD)) (envelope-from ) id 1glvzx-000IW6-Hg; Tue, 22 Jan 2019 14:21:49 +0100 Received: from [46.140.72.82] (helo=philippe-pc.toradex.int) by asmtp012.mail.hostpoint.ch with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91 (FreeBSD)) (envelope-from ) id 1glvzx-0001Dy-DC; Tue, 22 Jan 2019 14:21:49 +0100 X-Authenticated-Sender-Id: dev@pschenker.ch From: Philippe Schenker To: shawnguo@kernel.org, s.hauer@pengutronix.de, thierry.reding@gmail.com, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: marcel.ziswiler@toradex.com, stefan@agner.ch, max.krummenacher@toradex.com, Philippe Schenker , Fabio Estevam , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Pengutronix Kernel Team , Mark Rutland , NXP Linux Team Subject: [PATCH 1/2] ARM: dts: Add stmpe-adc DT node to Toradex iMX6 modules Date: Tue, 22 Jan 2019 14:21:34 +0100 Message-Id: <20190122132135.5012-2-dev@pschenker.ch> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190122132135.5012-1-dev@pschenker.ch> References: <20190122132135.5012-1-dev@pschenker.ch> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Philippe Schenker Add the stmpe-adc DT node as found on Toradex iMX6 modules Signed-off-by: Philippe Schenker --- arch/arm/boot/dts/imx6qdl-apalis.dtsi | 22 ++++++++++++++-------- arch/arm/boot/dts/imx6qdl-colibri.dtsi | 22 ++++++++++++++-------- 2 files changed, 28 insertions(+), 16 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi index 8380f1b26826..e8c7ef7e078a 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi @@ -332,11 +332,17 @@ id = <0>; blocks = <0x5>; irq-trigger = <0x1>; + /* 3.25 MHz ADC clock speed */ + st,adc-freq = <1>; + /* 12-bit ADC */ + st,mod-12b = <1>; + /* internal ADC reference */ + st,ref-sel = <0>; + /* ADC converstion time: 80 clocks */ + st,sample-time = <4>; stmpe_touchscreen { compatible = "st,stmpe-ts"; - /* 3.25 MHz ADC clock speed */ - st,adc-freq = <1>; /* 8 sample average control */ st,ave-ctrl = <3>; /* 7 length fractional part in z */ @@ -346,17 +352,17 @@ * current limit value */ st,i-drive = <1>; - /* 12-bit ADC */ - st,mod-12b = <1>; - /* internal ADC reference */ - st,ref-sel = <0>; - /* ADC converstion time: 80 clocks */ - st,sample-time = <4>; /* 1 ms panel driver settling time */ st,settling = <3>; /* 5 ms touch detect interrupt delay */ st,touch-det-delay = <5>; }; + + stmpe_adc { + compatible = "st,stmpe-adc"; + /* forbid to use ADC channels 3-0 (touch) */ + st,norequest-mask = <0x0F>; + }; }; }; diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi index 87e15e7cb32b..eb8603a2444e 100644 --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi @@ -262,11 +262,17 @@ id = <0>; blocks = <0x5>; irq-trigger = <0x1>; + /* 3.25 MHz ADC clock speed */ + st,adc-freq = <1>; + /* 12-bit ADC */ + st,mod-12b = <1>; + /* internal ADC reference */ + st,ref-sel = <0>; + /* ADC converstion time: 80 clocks */ + st,sample-time = <4>; stmpe_touchscreen { compatible = "st,stmpe-ts"; - /* 3.25 MHz ADC clock speed */ - st,adc-freq = <1>; /* 8 sample average control */ st,ave-ctrl = <3>; /* 7 length fractional part in z */ @@ -276,17 +282,17 @@ * current limit value */ st,i-drive = <1>; - /* 12-bit ADC */ - st,mod-12b = <1>; - /* internal ADC reference */ - st,ref-sel = <0>; - /* ADC converstion time: 80 clocks */ - st,sample-time = <4>; /* 1 ms panel driver settling time */ st,settling = <3>; /* 5 ms touch detect interrupt delay */ st,touch-det-delay = <5>; }; + + stmpe_adc { + compatible = "st,stmpe-adc"; + /* forbid to use ADC channels 3-0 (touch) */ + st,norequest-mask = <0x0F>; + }; }; }; -- 2.20.1