From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752342AbbCXMr7 (ORCPT ); Tue, 24 Mar 2015 08:47:59 -0400 Received: from mail.kmu-office.ch ([178.209.48.109]:55241 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752035AbbCXMr4 (ORCPT ); Tue, 24 Mar 2015 08:47:56 -0400 From: Stefan Agner To: jic23@kernel.org, shawn.guo@linaro.org, kernel@pengutronix.de Cc: knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, B38611@freescale.com, maitysanchayan@gmail.com, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Agner Subject: [PATCH v4 0/3] iio: adc: vf610: respect ADC clocking limitations Date: Tue, 24 Mar 2015 13:47:46 +0100 Message-Id: <1427201269-4902-1-git-send-email-stefan@agner.ch> X-Mailer: git-send-email 2.3.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Respect ADC clocking limitations which lead to bogous reading on 500MHz clocked Vybrid SoC's. Additionally, also implement a sysfs-property to configure the conversion mode available in this ADC peripherial. The clock limitations are specified using the device tree, hence I seek an Ack from the device tree maintainers here... Changes since v3: - Move device tree bindings to driver changes Changes since v2: - Add sysfs ABI documentation - Fix commit message spelling errors Changes since v1: - Use ext_info for conversion mode Stefan Agner (3): iio: adc: vf610: use ADC clock within specification iio: adc: vf610: implement configurable conversion modes ARM: dts: add property for maximum ADC clock frequencies Documentation/ABI/testing/sysfs-bus-iio-vf610 | 7 + .../devicetree/bindings/iio/adc/vf610-adc.txt | 9 + arch/arm/boot/dts/vfxxx.dtsi | 4 + drivers/iio/adc/vf610_adc.c | 225 +++++++++++++++------ 4 files changed, 179 insertions(+), 66 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-vf610 -- 2.3.3