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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH, URIBL_BLOCKED autolearn=ham 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 3C8BEC004C9 for ; Tue, 7 May 2019 16:27:12 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0D76E205C9 for ; Tue, 7 May 2019 16:27:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="s5Y1K71X" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D76E205C9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org 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:Message-ID:In-Reply-To: Date:References: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=C7Y5QZK8eTXP9MkCwhyP9cECCa3HPKOz8dmCaaAEDrI=; b=s5Y1K71XRWtZev oVyWRYOtweu59VgbYDQ0L6835aO2ZwnaeXclcHaTAwP/pwN+woqVLt5F119tIP2ki3MWiEebyh+CZ ZW2CMQ7lErcyTt/3BgnzJctrHGk0Yysg1O6ViVzIGQeFgktDWfMQ9xqSH6xa2U2PY+mYgBJwyexcQ dsr+I6mV5t+wGGZ4PVXf3a5JcvW8j/qDRMULxjnE/R4KMgxlLAIFtgIxoiC+fHH99MIKMYPhrOQ2e GLyUEo7HWBWkNwE9rlFOKfF9n/oFz2uWG2GFeEbSeA06xoNTg/mQkS1hRDlZ1KghhQxnrPuNCNH7x DQ8PfrK+5BCe97bKCdlQ==; 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 1hO2vq-0004Fp-UC; Tue, 07 May 2019 16:27:06 +0000 Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hO2vo-0004FD-1e for linux-riscv@lists.infradead.org; Tue, 07 May 2019 16:27:05 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 4364CAEB5; Tue, 7 May 2019 16:27:02 +0000 (UTC) From: Andreas Schwab To: Yash Shah Subject: Re: [PATCH v11 0/2] PWM support for HiFive Unleashed References: <1553508779-9685-1-git-send-email-yash.shah@sifive.com> X-Yow: TONY RANDALL! Is YOUR life a PATIO of FUN?? Date: Tue, 07 May 2019 18:27:01 +0200 In-Reply-To: (Yash Shah's message of "Tue, 7 May 2019 16:31:58 +0530") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190507_092704_237292_23C5069D X-CRM114-Status: UNSURE ( 7.93 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, Palmer Dabbelt , linux-kernel@vger.kernel.org, robh+dt@kernel.org, Sachin Ghadi , Thierry Reding , Paul Walmsley , linux-riscv@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On Mai 07 2019, Yash Shah wrote: > Leds on HiFive Unleashed are wired to supply instead of ground. > And as per ./Documentation/devicetree/bindings/leds/leds-pwm.txt, you > need to provide additional property "active-low" in such case. > > - active-low : (optional) For PWMs where the LED is wired to supply > rather than ground. This fixes the issue. Thanks, Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different." _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv