Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp2020344pxb; Fri, 5 Mar 2021 05:40:18 -0800 (PST) X-Google-Smtp-Source: ABdhPJxLrBiL0ZUSPenSkGiejrv0PEG/YdD1b7os0TrOAjGuZmRWQt6mtojkHYETbz+gBkkBD7er X-Received: by 2002:a17:906:5044:: with SMTP id e4mr2207587ejk.445.1614951618017; Fri, 05 Mar 2021 05:40:18 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1614951618; cv=none; d=google.com; s=arc-20160816; b=J7MW0kRSdF/5GleCna2PnLu09JND14JJtiscescQJwMczQUb076tyROAzVfTCdNFs7 iD9jQlqcMQ+Jik4KiLXDA4VH3mD+yqc6Kz5R/2Ft9aDIUzDIe/yUmLwDLRkj2IVBmEPq YHr+lTsoNN25oYGPMXvDtst/spPMUSyCrr+fCjFFLqKXNm1uL6iAsixoOOlT4/8P4Hod vbIR+9f71gLeJS6RgaML2Qa5AjZYiL3IvTN7gObh37Vgt9Dp5XlPKchIEpw4ZL2B7SKc CbEWBIjS2hf5RWUt4YpQX/lwEgrwgxJz99RxETSxtKo4Ty48BWzK3WamB2JuodN2AJug Yliw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=mfh3NBzz5zrVs0QfgX1imkqMDFpy1kTzMqyz7apH+e8=; b=HU1+NzFLfPzGQk22IH1ti7jvUksvpyK05SfQ0i9tIwtKOe3aURUIqICS1Qkw9a7yv/ A1DyNz93Mpd0PwhyQbdgArfcK+GhiYG/+BImzneenqzLKbCitV1WDChlz+0EDFxzUj0u 0dS993SFBAMGLdkELOd9OWmqzMdCjtx7w3/zxnF6mRnB+eqXRuabhKcnb8/cnrIDIpYf 9fQB6Du042zR+UVvneJ6AmdF0NRMVgb9047Oa4vPhcGc2QG9FtzNO0zDz9YP6rtvGyZJ 427vpu/Rfs8BprNvscW4Orfta5ZAvuM5gTVseb7sqgQdMJQl6+6k+XzKLhPxw79pGz4q u+kQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id le26si59918ejc.659.2021.03.05.05.39.54; Fri, 05 Mar 2021 05:40:18 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230260AbhCENiz (ORCPT + 99 others); Fri, 5 Mar 2021 08:38:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230272AbhCENiY (ORCPT ); Fri, 5 Mar 2021 08:38:24 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2190C06175F for ; Fri, 5 Mar 2021 05:38:23 -0800 (PST) Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lIAen-00039m-1T; Fri, 05 Mar 2021 14:38:17 +0100 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1lIAel-0007IH-5a; Fri, 05 Mar 2021 14:38:15 +0100 From: Oleksij Rempel To: Rob Herring , Jonathan Cameron Cc: Oleksij Rempel , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Pengutronix Kernel Team , David Jander , Robin van der Gracht , linux-iio@vger.kernel.org, Lars-Peter Clausen , Peter Meerwald-Stadler , Dmitry Torokhov Subject: [PATCH v1 0/2] mainline ti tsc2046 adc driver Date: Fri, 5 Mar 2021 14:38:11 +0100 Message-Id: <20210305133813.27967-1-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org TI TSC2046 is a touchscreen controller based on 8 channel ADC. Since most of this ADC based touchscreen controller share same set of challenges, it is better keep then as simple IIO ADC devices attached to a generic resistive-adc-touch driver. This driver can replace drivers/input/touchscreen/ads7846.c and has following advantages over it: - less code to maintain - shared code paths (resistive-adc-touch, iio-hwmon, etc) - can be used as plain IIO ADC to investigate signaling issues or test real capacity of the plates and attached low-pass filters (or use the touchscreen as a microphone if you like ;) ) Oleksij Rempel (2): dt-bindings:iio:adc: add documentation for TI TSC2046 controller iio: adc: add ADC driver for the TI TSC2046 controller .../bindings/iio/adc/ti,tsc2046.yaml | 52 ++ MAINTAINERS | 8 + drivers/iio/adc/Kconfig | 12 + drivers/iio/adc/Makefile | 1 + drivers/iio/adc/ti-tsc2046.c | 652 ++++++++++++++++++ 5 files changed, 725 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml create mode 100644 drivers/iio/adc/ti-tsc2046.c -- 2.29.2