From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932403AbeBVMEB (ORCPT ); Thu, 22 Feb 2018 07:04:01 -0500 Received: from esa1.microchip.iphmx.com ([68.232.147.91]:62237 "EHLO esa1.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932103AbeBVMDy (ORCPT ); Thu, 22 Feb 2018 07:03:54 -0500 X-IronPort-AV: E=Sophos;i="5.47,377,1515481200"; d="scan'208";a="12245995" From: Claudiu Beznea To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , , , , , Claudiu Beznea 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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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"; -- 2.7.4