From patchwork Mon Aug 17 22:04:16 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Petr Cvek X-Patchwork-Id: 7027631 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B28DDC05AC for ; Mon, 17 Aug 2015 22:03:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D7B52205EC for ; Mon, 17 Aug 2015 22:03:42 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0B81C205E5 for ; Mon, 17 Aug 2015 22:03:42 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZRSTW-0003mo-1N; Mon, 17 Aug 2015 22:01:50 +0000 Received: from bubo.tul.cz ([2001:718:1c01:16::aa]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZRSTS-0003J1-7f for linux-arm-kernel@lists.infradead.org; Mon, 17 Aug 2015 22:01:47 +0000 Received: from [78.80.185.17] (78-80-185-17.tmcz.cz [78.80.185.17]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by bubo.tul.cz (Postfix) with ESMTPSA id 0FF271F0007; Tue, 18 Aug 2015 00:01:00 +0200 (CEST) From: Petr Cvek Subject: [PATCH v2 16/21] ARM: pxa: magician: Add support for alternative LCD backlight To: robert.jarzmik@free.fr, philipp.zabel@gmail.com, daniel@zonque.org, haojian.zhuang@gmail.com, sameo@linux.intel.com, lee.jones@linaro.org, cooloney@gmail.com, rpurdie@rpsys.net, j.anaszewski@samsung.com, linux@arm.linux.org.uk, sre@kernel.org, dbaryshkov@gmail.com, dwmw2@infradead.org References: Message-ID: <55D25A60.7000900@tul.cz> Date: Tue, 18 Aug 2015 00:04:16 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150817_150146_472142_507BA856 X-CRM114-Status: GOOD ( 10.84 ) X-Spam-Score: -2.5 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, linux-leds@vger.kernel.org, linux-pm@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for alternative LCD backlight with GPIO (no brightness). Signed-off-by: Petr Cvek --- arch/arm/mach-pxa/magician.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 2ec630e..780cc3d 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -102,6 +102,8 @@ #include #include +#include + #include "devices.h" #include "generic.h" @@ -549,6 +551,21 @@ static struct regulator_consumer_supply pwm_backlight_supply[] = { REGULATOR_SUPPLY("power", "pwm_backlight"), }; +/* Backlight controlled by single GPIO (alternative) */ +static struct gpio_backlight_platform_data gpio_backlight_data = { +/* .fbdev = &pxa_device_fb.dev, */ + .gpio = EGPIO_MAGICIAN_BL_POWER, + .def_value = 1, + .name = "backlight", +}; + +static struct platform_device gpio_backlight = { + .name = "gpio-backlight", + .dev = { + .platform_data = &gpio_backlight_data, + }, +}; + /* * LEDs */ @@ -1269,7 +1286,6 @@ static struct platform_device *devices[] __initdata = { &gpio_keys, &egpio, &strataflash, - &pwm_backlight, &pasic3, &vads7846_device, &bq24022, @@ -1285,6 +1301,10 @@ static struct platform_device *devices[] __initdata = { #if !(IS_ENABLED(CONFIG_USB_PXA27X)) &gpio_vbus, #endif + + /* NOTICE mutually exclusive */ + &pwm_backlight, + &gpio_backlight, }; /*