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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 D72CBC433B4 for ; Tue, 6 Apr 2021 16:43:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B218B613CD for ; Tue, 6 Apr 2021 16:43:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346547AbhDFQnz (ORCPT ); Tue, 6 Apr 2021 12:43:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44878 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346562AbhDFQnv (ORCPT ); Tue, 6 Apr 2021 12:43:51 -0400 Received: from mail.pqgruber.com (mail.pqgruber.com [IPv6:2a05:d014:575:f70b:4f2c:8f1d:40c4:b13e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0CD1C061756; Tue, 6 Apr 2021 09:43:43 -0700 (PDT) Received: from workstation.tuxnet (213-47-165-233.cable.dynamic.surfer.at [213.47.165.233]) by mail.pqgruber.com (Postfix) with ESMTPSA id 3ADEEC6AEEE; Tue, 6 Apr 2021 18:43:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pqgruber.com; s=mail; t=1617727422; bh=YBVJEd4u8lXZ2VS38cZjFNDqDt6p6/zLjW/nqtuCXBg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PEkplOgdRYf1MjYWcSAvqpiTRHJ9/EoealVw801SqqT770q/pyWXJKboBIwLhHnZ9 klLrmVvtoRKmRYi39sFGXqBYfWtXxDdhyHDrbtGmt7bsx4TyeBTnY+m/UvVbrTsA5E W1frFFSmT57BFbNiJDyLUoGeiI67i5JZ79QS0dDo= From: Clemens Gruber To: linux-pwm@vger.kernel.org Cc: Thierry Reding , Sven Van Asbroeck , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Clemens Gruber , Rob Herring Subject: [PATCH v7 4/8] dt-bindings: pwm: Support new PWM_STAGGERING_ALLOWED flag Date: Tue, 6 Apr 2021 18:41:36 +0200 Message-Id: <20210406164140.81423-4-clemens.gruber@pqgruber.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210406164140.81423-1-clemens.gruber@pqgruber.com> References: <20210406164140.81423-1-clemens.gruber@pqgruber.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the flag and corresponding documentation for the new PWM staggering mode feature. Cc: Rob Herring Signed-off-by: Clemens Gruber --- Documentation/devicetree/bindings/pwm/pwm.txt | 1 + include/dt-bindings/pwm/pwm.h | 1 + 2 files changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/pwm/pwm.txt b/Documentation/devicetree/bindings/pwm/pwm.txt index 084886bd721e..11d539302398 100644 --- a/Documentation/devicetree/bindings/pwm/pwm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm.txt @@ -46,6 +46,7 @@ period in nanoseconds. Optionally, the pwm-specifier can encode a number of flags (defined in ) in a third cell: - PWM_POLARITY_INVERTED: invert the PWM signal polarity +- PWM_STAGGERING_ALLOWED: allow delayed ON-time for improved EMI Example with optional PWM specifier for inverse polarity diff --git a/include/dt-bindings/pwm/pwm.h b/include/dt-bindings/pwm/pwm.h index ab9a077e3c7d..51d67dec1aad 100644 --- a/include/dt-bindings/pwm/pwm.h +++ b/include/dt-bindings/pwm/pwm.h @@ -11,5 +11,6 @@ #define _DT_BINDINGS_PWM_PWM_H #define PWM_POLARITY_INVERTED (1 << 0) +#define PWM_STAGGERING_ALLOWED (1 << 1) #endif -- 2.31.1