From patchwork Tue Mar 26 01:21:51 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: 2334121 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 837E33FD8C for ; Tue, 26 Mar 2013 01:24:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933672Ab3CZBYk (ORCPT ); Mon, 25 Mar 2013 21:24:40 -0400 Received: from hqemgate04.nvidia.com ([216.228.121.35]:3947 "EHLO hqemgate04.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933663Ab3CZBYk (ORCPT ); Mon, 25 Mar 2013 21:24:40 -0400 Received: from hqnvupgp07.nvidia.com (Not Verified[216.228.121.13]) by hqemgate04.nvidia.com id ; Mon, 25 Mar 2013 18:21:38 -0700 Received: from hqemhub01.nvidia.com ([172.17.108.22]) by hqnvupgp07.nvidia.com (PGP Universal service); Mon, 25 Mar 2013 18:21:21 -0700 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Mon, 25 Mar 2013 18:21:21 -0700 Received: from achew-linux64.nvidia.com (172.20.144.16) by hqemhub01.nvidia.com (172.20.150.30) with Microsoft SMTP Server (TLS) id 8.3.298.1; Mon, 25 Mar 2013 18:21:39 -0700 From: Andrew Chew To: , , , , , , , , , , , , , , , CC: , , , , , Subject: [PATCH V5 7/9] ARM: vt8500: Provide regulator to pwm-backlight Date: Mon, 25 Mar 2013 18:21:51 -0700 Message-ID: <1364260913-25490-8-git-send-email-achew@nvidia.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1364260913-25490-1-git-send-email-achew@nvidia.com> References: <1364260913-25490-1-git-send-email-achew@nvidia.com> MIME-Version: 1.0 Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.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 --- Made the backlight power regulator controlled via <&gpio 0 7 0>. 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>; }; };