From patchwork Thu Apr 4 17:30:42 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabio Estevam X-Patchwork-Id: 2394351 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork1.kernel.org (Postfix) with ESMTP id D2E553FD1A for ; Thu, 4 Apr 2013 17:32:56 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UNo1v-000385-UQ for patchwork-linux-arm@patchwork.kernel.org; Thu, 04 Apr 2013 17:32:56 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UNo0A-0005gR-JY; Thu, 04 Apr 2013 17:31:06 +0000 Received: from ch1ehsobe002.messaging.microsoft.com ([216.32.181.182] helo=ch1outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UNo06-0005fZ-9S for linux-arm-kernel@lists.infradead.org; Thu, 04 Apr 2013 17:31:03 +0000 Received: from mail76-ch1-R.bigfish.com (10.43.68.251) by CH1EHSOBE001.bigfish.com (10.43.70.51) with Microsoft SMTP Server id 14.1.225.23; Thu, 4 Apr 2013 17:31:00 +0000 Received: from mail76-ch1 (localhost [127.0.0.1]) by mail76-ch1-R.bigfish.com (Postfix) with ESMTP id C99AC2A047A; Thu, 4 Apr 2013 17:30:59 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1f42h1fc6h1ee6h1de0h1fdah1202h1e76h1d1ah1d2ahzz8275bhz2dh2a8h668h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1155h) Received: from mail76-ch1 (localhost.localdomain [127.0.0.1]) by mail76-ch1 (MessageSwitch) id 1365096658669710_27169; Thu, 4 Apr 2013 17:30:58 +0000 (UTC) Received: from CH1EHSMHS018.bigfish.com (snatpool2.int.messaging.microsoft.com [10.43.68.237]) by mail76-ch1.bigfish.com (Postfix) with ESMTP id 94FFE2E0052; Thu, 4 Apr 2013 17:30:58 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CH1EHSMHS018.bigfish.com (10.43.70.18) with Microsoft SMTP Server (TLS) id 14.1.225.23; Thu, 4 Apr 2013 17:30:58 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-004.039d.mgd.msft.net (10.84.1.14) with Microsoft SMTP Server (TLS) id 14.2.328.11; Thu, 4 Apr 2013 17:30:57 +0000 Received: from fabio-Latitude-E6410.am.freescale.net ([10.29.244.67]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id r34HUrAX012187; Thu, 4 Apr 2013 10:30:54 -0700 From: Fabio Estevam To: Subject: [PATCH v3 1/2] ARM: dts: mxs: Use 'regulator-fixed' for turning on LCD Date: Thu, 4 Apr 2013 14:30:42 -0300 Message-ID: <1365096643-21361-1-git-send-email-fabio.estevam@freescale.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130404_133102_414071_9657E427 X-CRM114-Status: GOOD ( 10.05 ) X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [216.32.181.182 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Fabio Estevam , linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de 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 Instead of using a custom binding for turning on a GPIO that activates the LCD, use the standard 'regulator-fixed'. Signed-off-by: Fabio Estevam --- Changes since v2: - Changes since v1: - Adjust Subject, since the change is not specific to mx28evk Documentation/devicetree/bindings/fb/mxsfb.txt | 5 +---- arch/arm/boot/dts/imx23-evk.dts | 10 +++++++++- arch/arm/boot/dts/imx28-evk.dts | 10 +++++++++- 3 files changed, 19 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/fb/mxsfb.txt b/Documentation/devicetree/bindings/fb/mxsfb.txt index 7ba3b76..b15230c 100644 --- a/Documentation/devicetree/bindings/fb/mxsfb.txt +++ b/Documentation/devicetree/bindings/fb/mxsfb.txt @@ -8,9 +8,7 @@ Required properties: - display : phandle to display node (see below for details) Optional properties: -- panel-enable-gpios : Should specify the gpio for panel enable - -* display node +- display node Required properties: - bits-per-pixel : <16> for RGB565, <32> for RGB888/666. @@ -25,7 +23,6 @@ lcdif@80030000 { compatible = "fsl,imx28-lcdif"; reg = <0x80030000 2000>; interrupts = <38 86>; - panel-enable-gpios = <&gpio3 30 0>; display: display { bits-per-pixel = <32>; diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts index 7880e17..ddc3416 100644 --- a/arch/arm/boot/dts/imx23-evk.dts +++ b/arch/arm/boot/dts/imx23-evk.dts @@ -59,7 +59,6 @@ lcdif@80030000 { pinctrl-names = "default"; pinctrl-0 = <&lcdif_24bit_pins_a>; - panel-enable-gpios = <&gpio1 18 0>; display = <&display>; status = "okay"; @@ -120,6 +119,15 @@ regulator-max-microvolt = <3300000>; gpio = <&gpio1 29 0>; }; + + reg_lcd: lcd { + compatible = "regulator-fixed"; + regulator-name = "lcd"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio1 18 0>; + enable-active-high; + } }; backlight { diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts index 2d4ea3b..c886e9a 100644 --- a/arch/arm/boot/dts/imx28-evk.dts +++ b/arch/arm/boot/dts/imx28-evk.dts @@ -123,7 +123,6 @@ pinctrl-names = "default"; pinctrl-0 = <&lcdif_24bit_pins_a &lcdif_pins_evk>; - panel-enable-gpios = <&gpio3 30 0>; display = <&display>; status = "okay"; @@ -310,6 +309,15 @@ gpio = <&gpio3 8 0>; enable-active-high; }; + + reg_lcd: lcd { + compatible = "regulator-fixed"; + regulator-name = "lcd"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio3 30 0>; + enable-active-high; + }; }; sound {