From patchwork Mon Apr 1 21:53:27 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: 2372841 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 466D8DFB7B for ; Mon, 1 Apr 2013 21:56:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758358Ab3DAV4I (ORCPT ); Mon, 1 Apr 2013 17:56:08 -0400 Received: from hqemgate04.nvidia.com ([216.228.121.35]:16939 "EHLO hqemgate04.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757749Ab3DAV4H (ORCPT ); Mon, 1 Apr 2013 17:56:07 -0400 Received: from hqnvupgp08.nvidia.com (Not Verified[216.228.121.13]) by hqemgate04.nvidia.com id ; Mon, 01 Apr 2013 14:53:08 -0700 Received: from hqemhub02.nvidia.com ([172.20.12.94]) by hqnvupgp08.nvidia.com (PGP Universal service); Mon, 01 Apr 2013 14:52:27 -0700 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Mon, 01 Apr 2013 14:52:27 -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: , , , , , , , , , , , , CC: , , , , , Subject: [PATCH V6 8/9] ARM: tegra: Provide regulator to pwm-backlight Date: Mon, 1 Apr 2013 14:53:27 -0700 Message-ID: <1364853208-32503-9-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 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: Stephen Warren --- arch/arm/boot/dts/tegra20-medcom-wide.dts | 1 + arch/arm/boot/dts/tegra20-tamonten.dtsi | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/arch/arm/boot/dts/tegra20-medcom-wide.dts b/arch/arm/boot/dts/tegra20-medcom-wide.dts index a2d6d65..90d665e 100644 --- a/arch/arm/boot/dts/tegra20-medcom-wide.dts +++ b/arch/arm/boot/dts/tegra20-medcom-wide.dts @@ -32,6 +32,7 @@ brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <&backlight_power_reg>; }; sound { diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi index 6e9d91f..1ea3e42 100644 --- a/arch/arm/boot/dts/tegra20-tamonten.dtsi +++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi @@ -485,5 +485,15 @@ regulator-max-microvolt = <5000000>; regulator-always-on; }; + + backlight_power_reg: regulator@1 { + compatible = "regulator-fixed"; + reg = <1>; + regulator-name = "lcd_bl_en"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio 13 0>; /* gpio PB5 */ + enable-active-high; + }; }; };