From patchwork Sun Oct 17 01:33:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 12564055 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E312C433F5 for ; Sun, 17 Oct 2021 01:56:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2703E60F8F for ; Sun, 17 Oct 2021 01:56:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244832AbhJQB6f (ORCPT ); Sat, 16 Oct 2021 21:58:35 -0400 Received: from vern.gendns.com ([98.142.107.122]:48350 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244847AbhJQB6d (ORCPT ); Sat, 16 Oct 2021 21:58:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=wPH2jK/OOV+TnEhd20yJJMhH7lEufQUYCOiUumD6kYQ=; b=YvEe9aC6fbNmSWJ46wHblq47Ty qdkQ1yht4qtkQA1U9k00ZBeR7d7uxViAXSYv+i5F74CkL0wdMOB7otLx2lHgzLI2UbKUiPnA2S2ia xk04PGz756bEMvfUnRFMxmt6JBA6N3UXAOP9By4H5VmrX7oar4yokGZCKo79iuGZjZZZ2Dh9LhlV+ KMG7sngs1sc8GcKl1Vr1ye4v7aHhk0DF7pfTbhK2lr+1W/x+CoCL60G9M4AXFIDGuY4+FHBYC9aLM tByFwJlzH8iGR8gCoX0P8z4j1O1lFIr/IkNuqyy+X727kgSYbOz1L7aqNPgrsLAVTAqfUzuVgAZTw 6OgvROZA==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:41624 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1mbv49-0004D2-NG; Sat, 16 Oct 2021 21:34:23 -0400 From: David Lechner To: linux-iio@vger.kernel.org Cc: David Lechner , William Breathitt Gray , Robert Nelson , linux-kernel@vger.kernel.org Subject: [PATCH 8/8] docs: counter: add edge_capture_unit_* attributes Date: Sat, 16 Oct 2021 20:33:43 -0500 Message-Id: <20211017013343.3385923-9-david@lechnology.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211017013343.3385923-1-david@lechnology.com> References: <20211017013343.3385923-1-david@lechnology.com> MIME-Version: 1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org This adds documentation for new counter subsystem edge_capture_unit_* sysfs attributes. Signed-off-by: David Lechner --- Documentation/ABI/testing/sysfs-bus-counter | 37 +++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-counter b/Documentation/ABI/testing/sysfs-bus-counter index 78bb1a501007..6c192c8c2b55 100644 --- a/Documentation/ABI/testing/sysfs-bus-counter +++ b/Documentation/ABI/testing/sysfs-bus-counter @@ -59,6 +59,7 @@ What: /sys/bus/counter/devices/counterX/countY/error_noise_available What: /sys/bus/counter/devices/counterX/countY/function_available What: /sys/bus/counter/devices/counterX/countY/prescaler_available What: /sys/bus/counter/devices/counterX/countY/signalZ_action_available +What: /sys/bus/counter/devices/counterX/edge_capture_unit_prescaler_available What: /sys/bus/counter/devices/counterX/latch_mode_available What: /sys/bus/counter/devices/counterX/signalY/index_polarity_available What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode_available @@ -230,6 +231,10 @@ What: /sys/bus/counter/devices/counterX/signalY/cable_fault_enable_component_id What: /sys/bus/counter/devices/counterX/signalY/filter_clock_prescaler_component_id What: /sys/bus/counter/devices/counterX/signalY/index_polarity_component_id What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode_component_id +What: /sys/bus/counter/devices/edge_capture_unit_enable_component_id +What: /sys/bus/counter/devices/edge_capture_unit_latched_period_component_id +What: /sys/bus/counter/devices/edge_capture_unit_max_period_component_id +What: /sys/bus/counter/devices/edge_capture_unit_prescaler_component_id What: /sys/bus/counter/devices/latch_mode_component_id What: /sys/bus/counter/devices/unit_timer_enable_component_id What: /sys/bus/counter/devices/unit_timer_period_component_id @@ -249,6 +254,38 @@ Description: shorter or equal to configured value are ignored. Value 0 means filter is disabled. +What: /sys/bus/counter/devices/edge_capture_unit_enable +KernelVersion: 5.16 +Contact: linux-iio@vger.kernel.org +Description: + Read/write attribute that starts or stops the Edge Capture Unit. + Valid values are boolean. + +What: /sys/bus/counter/devices/edge_capture_unit_latched_period +KernelVersion: 5.16 +Contact: linux-iio@vger.kernel.org +Description: + Latched period of the Edge Capture Unit represented as a string. + The value is latched in based on the trigger selected by the + counterX/latch_mode attribute. Units are nanoseconds. + +What: /sys/bus/counter/devices/edge_capture_unit_max_period +KernelVersion: 5.16 +Contact: linux-iio@vger.kernel.org +Description: + Read/write attribute that selects the maximum period that can + be measured by the Edge Capture Unit. Units are nanoseconds. + +What: /sys/bus/counter/devices/edge_capture_unit_prescaler +KernelVersion: 5.16 +Contact: linux-iio@vger.kernel.org +Description: + Read/write attribute that selects the how the + counterX/countY/count value is scaled coming in to the Edge + Capture Unit. This acts like a clock divider, e.g. if a value + of 4 is selected, the Edge Capture Unit will measure the period + between every 4 counts. + What: /sys/bus/counter/devices/counterX/events_queue_size KernelVersion: 5.16 Contact: linux-iio@vger.kernel.org