From patchwork Tue Mar 26 01:21:50 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: 2334301 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 5E198DF24C for ; Tue, 26 Mar 2013 01:30:29 +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 1UKIft-000598-Eo; Tue, 26 Mar 2013 01:27:41 +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 1UKId4-0004Az-Eh for linux-arm-kernel@lists.infradead.org; Tue, 26 Mar 2013 01:24:56 +0000 Received: from hqnvupgp08.nvidia.com (Not Verified[216.228.121.13]) by hqemgate03.nvidia.com id ; Mon, 25 Mar 2013 18:27:08 -0700 Received: from hqemhub01.nvidia.com ([172.17.108.22]) by hqnvupgp08.nvidia.com (PGP Universal service); Mon, 25 Mar 2013 18:21:23 -0700 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Mon, 25 Mar 2013 18:21:23 -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: , , , , , , , , , , , , , , , Subject: [PATCH V5 6/9] ARM: mxs: Provide regulator to pwm-backlight Date: Mon, 25 Mar 2013 18:21:50 -0700 Message-ID: <1364260913-25490-7-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130325_212446_833331_36A8EACB X-CRM114-Status: UNSURE ( 8.33 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -8.2 (--------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-8.2 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] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.3 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: Shawn Guo --- Moved backlight power regulator into top-level regulators node. 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 | 11 +++++++++++ 5 files changed, 35 insertions(+) diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts index 035c13f..ce5048e 100644 --- a/arch/arm/boot/dts/imx23-evk.dts +++ b/arch/arm/boot/dts/imx23-evk.dts @@ -95,6 +95,11 @@ regulator-max-microvolt = <3300000>; gpio = <&gpio1 29 0>; }; + + reg_backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + }; }; backlight { @@ -102,5 +107,6 @@ pwms = <&pwm 2 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_backlight_power>; }; }; diff --git a/arch/arm/boot/dts/imx28-apf28dev.dts b/arch/arm/boot/dts/imx28-apf28dev.dts index 6d8865b..e354dc5 100644 --- a/arch/arm/boot/dts/imx28-apf28dev.dts +++ b/arch/arm/boot/dts/imx28-apf28dev.dts @@ -132,6 +132,11 @@ regulator-max-microvolt = <5000000>; gpio = <&gpio1 23 1>; }; + + reg_backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + }; }; leds { @@ -150,5 +155,6 @@ pwms = <&pwm 3 191000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_backlight_power>; }; }; diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts index a0d3e9f..a6eddd6 100644 --- a/arch/arm/boot/dts/imx28-cfa10049.dts +++ b/arch/arm/boot/dts/imx28-cfa10049.dts @@ -205,6 +205,11 @@ regulator-max-microvolt = <5000000>; gpio = <&gpio0 7 1>; }; + + reg_backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + }; }; ahb@80080000 { @@ -304,5 +309,6 @@ pwms = <&pwm 3 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_backlight_power>; }; }; diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts index 2da316e..7ba7216 100644 --- a/arch/arm/boot/dts/imx28-evk.dts +++ b/arch/arm/boot/dts/imx28-evk.dts @@ -285,6 +285,11 @@ gpio = <&gpio3 8 0>; enable-active-high; }; + + reg_backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + }; }; sound { @@ -312,5 +317,6 @@ pwms = <&pwm 2 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_backlight_power>; }; }; diff --git a/arch/arm/boot/dts/imx28-tx28.dts b/arch/arm/boot/dts/imx28-tx28.dts index 37be532..7fa5a44 100644 --- a/arch/arm/boot/dts/imx28-tx28.dts +++ b/arch/arm/boot/dts/imx28-tx28.dts @@ -97,6 +97,16 @@ }; }; + regulators { + compatible = "simple-bus"; + + reg_backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + }; + }; + + leds { compatible = "gpio-leds"; @@ -112,5 +122,6 @@ pwms = <&pwm 0 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_backlight_power>; }; };