From patchwork Thu Feb 22 12:01:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 10235441 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C41FB60224 for ; Thu, 22 Feb 2018 12:08:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BB58928BF4 for ; Thu, 22 Feb 2018 12:08:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ACA4F28BF6; Thu, 22 Feb 2018 12:08:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 359D628BF4 for ; Thu, 22 Feb 2018 12:08:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=gjNW6XMGA7hBkILystIY6m67y44KwxHTCGwrxNayfSQ=; b=swMcvGu/P9TkPx sOhsJG2hLnyLo24ZGDWD4RD9uBVGJDeUhD6gGODzjcnkUTAgxvE2x276GcghiaR/OHanCFj7ynjfK 8AmcomLPMRaj02m0dwMHhhV5Cpc5I8MqyG3aBLQlB4uqw8hpOighyKvQN/ghxMBgmlWla1Rat6+e8 4oN4lXgVGM0PTyAWbBH5etZO86+zJSkfIWJiKLb1sVlJr2VGEEsDAHkPuBkfBIkzD6UUTL+jmREMf 1Qi3qTR1eWXeSGFf7ZiV5Di4h7P5VvHgJo0A4S9egLUnTnvP+j5/V0dgf+WWgC11WUUKiPGuudtID Qlc/5RnU41SphTbQAAuQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eopfq-0005zC-Uk; Thu, 22 Feb 2018 12:08:30 +0000 Received: from esa1.microchip.iphmx.com ([68.232.147.91]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1eopbY-0002R2-8E for linux-arm-kernel@lists.infradead.org; Thu, 22 Feb 2018 12:05:13 +0000 X-IronPort-AV: E=Sophos;i="5.47,377,1515481200"; d="scan'208";a="12245995" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa1.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 22 Feb 2018 05:03:51 -0700 Received: from m18063-ThinkPad-T460p.microchip.com (10.10.76.4) by chn-sv-exch05.mchp-main.com (10.10.76.106) with Microsoft SMTP Server id 14.3.352.0; Thu, 22 Feb 2018 05:03:51 -0700 From: Claudiu Beznea To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v3 08/10] pwm: add push-pull mode support Date: Thu, 22 Feb 2018 14:01:19 +0200 Message-ID: <1519300881-8136-9-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1519300881-8136-1-git-send-email-claudiu.beznea@microchip.com> References: <1519300881-8136-1-git-send-email-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180222_040404_455984_732DAA89 X-CRM114-Status: UNSURE ( 8.99 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-hwmon@vger.kernel.org, linux-pwm@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Claudiu Beznea , linux-leds@vger.kernel.org, linux-input@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add push-pull mode support. In push-pull mode the channels' outputs have same polarities and the edges are complementary delayed for one period. Signed-off-by: Claudiu Beznea --- include/linux/pwm.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/include/linux/pwm.h b/include/linux/pwm.h index 0ba416ab2772..765d760ef82d 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -29,11 +29,14 @@ enum pwm_polarity { * PWM modes * @PWM_MODE_NORMAL_BIT: PWM has one output * @PWM_MODE_COMPLEMENTARY_BIT: PWM has 2 outputs with opposite polarities + * @PWM_MODE_PUSH_PULL_BIT: PWM has 2 outputs with same polarities and the edges + * are complementary delayed for one period * @PWM_MODE_CNT: PWM modes count */ enum { PWM_MODE_NORMAL_BIT, PWM_MODE_COMPLEMENTARY_BIT, + PWM_MODE_PUSH_PULL_BIT, PWM_MODE_CNT, }; @@ -481,7 +484,11 @@ static inline bool pwm_caps_valid(struct pwm_caps caps) static inline const char * const pwm_mode_desc(unsigned long mode) { - static const char * const modes[] = { "normal", "complementary" }; + static const char * const modes[] = { + "normal", + "complementary", + "push-pull", + }; if (!pwm_mode_valid(mode)) return "invalid";