From patchwork Tue May 22 12:07:11 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 10418611 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 AA10960224 for ; Tue, 22 May 2018 12:44:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 987B728BE2 for ; Tue, 22 May 2018 12:44:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8D4DB28BEF; Tue, 22 May 2018 12:44:36 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI 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 D9E6928BE2 for ; Tue, 22 May 2018 12:44:35 +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=HeMeFQc0ZvxUGK27pq2OJH+Dq0+LJwFBCngs7gTnoSk=; b=twADxN2Gaeovww 6LSQfHir1/3/5fYYFxo2mku7eyRALiKTVRqar8D/Y4zzLFG8EHvaeIxegX90C2mD3jnKusPi4e8ab bkUvSL7C0SetdX+Ny6S9QHcjc+Jur8pAFjuPF5LYT4D2f35Hm1CSiKGlcEvbIk+VxGv19ouZgxFaV WFy3oVdzit+M1aT/yu8EvJqXh7HHuYzySKluARF6iV4Pm1viP+VbNsCbW4Bz3eeyNe9XJp0da/kfJ txTRAc3JjvJtApiVyfMifr3VlbVy5m9TSoQvsYnf1paojlxoNDjgdhcZT+nxVc2P/j8gicpNJAem2 bmMEuusUImdnv9PQWDCA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fL6eR-0005oG-Jn; Tue, 22 May 2018 12:44:27 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fL6YJ-00007H-4P for linux-arm-kernel@bombadil.infradead.org; Tue, 22 May 2018 12:38:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Type:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:CC:To:From:Sender:Reply-To: Content-Transfer-Encoding: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=U5aw7y7p6XDcgP+4f1O2/SbnvTOSxFfVD7QSi16mrD0=; b=dj/O13dQ+TxkPttt9rFoP9X4v Rc3t6fa18oKMuhilDUsP8NqrBG/9B3JDcbOaqEGB7rI++rEZmXewgIBJty88LYnnsB0dGA18HEnJo +46fMqbBIR0+n6+lbslRSaa13wrjkMSD6vD6crioTOpwEULeAc69v7e+eMnkfWiog5zqUMhcF+zYP iuR0wYZDMGG1s6GAqWdxRAVulCx8hDx9fs7FoHR0rhvSsiGes7XHaDpXcfOy+ANbf23Dt1sYRL1+l fXp6WnGWb7KmKsl86QO9BmK2Kum/cr8MelNDrISZraWx88JECbDwIO+xouYonQV/nSYgNPv0FMnKN c2/IX37TA==; Received: from esa4.microchip.iphmx.com ([68.232.154.123]) by casper.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fL65z-00066H-8u for linux-arm-kernel@lists.infradead.org; Tue, 22 May 2018 12:08:57 +0000 X-IronPort-AV: E=Sophos;i="5.49,430,1520924400"; d="scan'208";a="14214844" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa4.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 22 May 2018 05:08:37 -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; Tue, 22 May 2018 05:08:36 -0700 From: Claudiu Beznea To: , , , , , , Subject: [PATCH v5 7/9] pwm: add push-pull mode support Date: Tue, 22 May 2018 15:07:11 +0300 Message-ID: <1526990833-30707-8-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1526990833-30707-1-git-send-email-claudiu.beznea@microchip.com> References: <1526990833-30707-1-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-20180522_130851_921471_F5D6AADF X-CRM114-Status: UNSURE ( 9.25 ) 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-pwm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Claudiu Beznea 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 --- drivers/pwm/core.c | 1 + include/linux/pwm.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 59a9df9120de..5fde2e685ca7 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -348,6 +348,7 @@ const char *pwm_mode_desc(struct pwm_device *pwm, unsigned long mode) "invalid", "normal", "complementary", + "push-pull", }; if (!pwm_mode_valid(pwm, mode)) diff --git a/include/linux/pwm.h b/include/linux/pwm.h index a4ce4ad7edf0..eb170e2ab431 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -29,11 +29,14 @@ enum pwm_polarity { * PWM modes capabilities * @PWMC_MODE_NORMAL_BIT: PWM has one output * @PWMC_MODE_COMPLEMENTARY_BIT: PWM has 2 outputs with opposite polarities + * @PWMC_MODE_PUSH_PULL_BIT: PWM has 2 outputs with same polarities and the + * edges are complementary delayed for one period * @PWMC_MODE_CNT: PWM modes count */ enum { PWMC_MODE_NORMAL_BIT, PWMC_MODE_COMPLEMENTARY_BIT, + PWMC_MODE_PUSH_PULL_BIT, PWMC_MODE_CNT, };