From patchwork Tue Mar 19 18:59:30 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: 2303911 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 F19043FC8A for ; Tue, 19 Mar 2013 19:07:41 +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 1UI1pb-00026B-Mn; Tue, 19 Mar 2013 19:04:20 +0000 Received: from hqemgate04.nvidia.com ([216.228.121.35]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UI1o4-0001PJ-Tv for linux-arm-kernel@lists.infradead.org; Tue, 19 Mar 2013 19:02:52 +0000 Received: from hqnvupgp07.nvidia.com (Not Verified[216.228.121.13]) by hqemgate04.nvidia.com id ; Tue, 19 Mar 2013 11:59:43 -0700 Received: from hqemhub03.nvidia.com ([172.17.108.22]) by hqnvupgp07.nvidia.com (PGP Universal service); Tue, 19 Mar 2013 11:59:45 -0700 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Tue, 19 Mar 2013 11:59:45 -0700 Received: from achew-linux64.nvidia.com (172.20.144.16) by hqemhub03.nvidia.com (172.20.150.15) with Microsoft SMTP Server (TLS) id 8.3.298.1; Tue, 19 Mar 2013 11:59:45 -0700 From: Andrew Chew To: , , , , , , , , , , , , , , , , Subject: [PATCH V4 6/9] ARM: mxs: Provide regulator to pwm-backlight Date: Tue, 19 Mar 2013 11:59:30 -0700 Message-ID: <1363719573-20926-7-git-send-email-achew@nvidia.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1363719573-20926-1-git-send-email-achew@nvidia.com> References: <1363719573-20926-1-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-20130319_150245_347475_F5FC621A X-CRM114-Status: UNSURE ( 8.67 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -9.4 (---------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-9.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [216.228.121.35 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -2.5 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, acourbot@nvidia.com, 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 --- arch/arm/boot/dts/imx23-evk.dts | 6 ++++++ arch/arm/boot/dts/imx28-apf28dev.dts | 6 ++++++ arch/arm/boot/dts/imx28-cfa10049.dts | 6 ++++++ arch/arm/boot/dts/imx28-evk.dts | 6 ++++++ arch/arm/boot/dts/imx28-tx28.dts | 6 ++++++ 5 files changed, 30 insertions(+) diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts index 035c13f..e48e36c 100644 --- a/arch/arm/boot/dts/imx23-evk.dts +++ b/arch/arm/boot/dts/imx23-evk.dts @@ -97,10 +97,16 @@ }; }; + bl_en: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "bl-en-supply"; + }; + backlight { compatible = "pwm-backlight"; pwms = <&pwm 2 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + enable-supply = <&bl_en>; }; }; diff --git a/arch/arm/boot/dts/imx28-apf28dev.dts b/arch/arm/boot/dts/imx28-apf28dev.dts index 6d8865b..866e26f 100644 --- a/arch/arm/boot/dts/imx28-apf28dev.dts +++ b/arch/arm/boot/dts/imx28-apf28dev.dts @@ -144,11 +144,17 @@ }; }; + bl_en: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "bl-en-supply"; + }; + backlight { compatible = "pwm-backlight"; pwms = <&pwm 3 191000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + enable-supply = <&bl_en>; }; }; diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts index a0d3e9f..a8477b6 100644 --- a/arch/arm/boot/dts/imx28-cfa10049.dts +++ b/arch/arm/boot/dts/imx28-cfa10049.dts @@ -299,10 +299,16 @@ rotary-encoder,relative-axis; }; + bl_en: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "bl-en-supply"; + }; + backlight { compatible = "pwm-backlight"; pwms = <&pwm 3 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + enable-supply = <&bl_en>; }; }; diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts index 2da316e..810f1e4 100644 --- a/arch/arm/boot/dts/imx28-evk.dts +++ b/arch/arm/boot/dts/imx28-evk.dts @@ -307,10 +307,16 @@ }; }; + bl_en: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "bl-en-supply"; + }; + backlight { compatible = "pwm-backlight"; pwms = <&pwm 2 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + enable-supply = <&bl_en>; }; }; diff --git a/arch/arm/boot/dts/imx28-tx28.dts b/arch/arm/boot/dts/imx28-tx28.dts index 37be532..ea3c88a 100644 --- a/arch/arm/boot/dts/imx28-tx28.dts +++ b/arch/arm/boot/dts/imx28-tx28.dts @@ -107,10 +107,16 @@ }; }; + bl_en: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "bl-en-supply"; + }; + backlight { compatible = "pwm-backlight"; pwms = <&pwm 0 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + enable-supply = <&bl_en>; }; };