From patchwork Mon Apr 1 21:53:26 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: achew@nvidia.com X-Patchwork-Id: 2372971 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id E69A43FD40 for ; Mon, 1 Apr 2013 22:00:04 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UMmjS-00038M-Mc; Mon, 01 Apr 2013 21:57:39 +0000 Received: from hqemgate03.nvidia.com ([216.228.121.140]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UMmi6-0002aP-FE for linux-arm-kernel@lists.infradead.org; Mon, 01 Apr 2013 21:56:18 +0000 Received: from hqnvupgp07.nvidia.com (Not Verified[216.228.121.13]) by hqemgate03.nvidia.com id ; Mon, 01 Apr 2013 14:58:44 -0700 Received: from hqemhub02.nvidia.com ([172.20.12.94]) by hqnvupgp07.nvidia.com (PGP Universal service); Mon, 01 Apr 2013 14:52:22 -0700 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Mon, 01 Apr 2013 14:52:22 -0700 Received: from achew-linux64.nvidia.com (172.20.144.16) by hqemhub02.nvidia.com (172.20.150.31) with Microsoft SMTP Server (TLS) id 8.3.298.1; Mon, 1 Apr 2013 14:53:07 -0700 From: Andrew Chew To: , , , , , , , , , , , , Subject: [PATCH V6 7/9] ARM: vt8500: Provide regulator to pwm-backlight Date: Mon, 1 Apr 2013 14:53:26 -0700 Message-ID: <1364853208-32503-8-git-send-email-achew@nvidia.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1364853208-32503-1-git-send-email-achew@nvidia.com> References: <1364853208-32503-1-git-send-email-achew@nvidia.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130401_175614_877037_1F4948F6 X-CRM114-Status: UNSURE ( 9.49 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -7.5 (-------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-7.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [216.228.121.140 listed in list.dnswl.org] 1.7 KHOP_BIG_TO_CC Sent to 10+ recipients instaed of Bcc or a list -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -2.3 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: linux-samsung-soc@vger.kernel.org, achew@nvidia.com, thierry.reding@avionic-design.de, openezx-devel@lists.openezx.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The pwm-backlight driver now takes a mandatory regulator that is gotten during driver probe. Initialize a dummy regulator to satisfy this requirement. Signed-off-by: Andrew Chew Acked-by: Alexandre Courbot Acked-by: Tony Prisk --- arch/arm/boot/dts/wm8850-w70v2.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/wm8850-w70v2.dts b/arch/arm/boot/dts/wm8850-w70v2.dts index fcc660c..25c96d0 100644 --- a/arch/arm/boot/dts/wm8850-w70v2.dts +++ b/arch/arm/boot/dts/wm8850-w70v2.dts @@ -37,11 +37,20 @@ }; }; + backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + enable-active-high; + regulator-boot-on; + gpio = <&gpio 0 7 0>; + }; + backlight { compatible = "pwm-backlight"; pwms = <&pwm 0 50000 1>; /* duty inverted */ brightness-levels = <0 40 60 80 100 130 190 255>; default-brightness-level = <5>; + power-supply = <&backlight_power>; }; };