From patchwork Tue Aug 30 07:52:36 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: jason.chen@freescale.com X-Patchwork-Id: 112190 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:4978:20e::2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 7A1AAB6F95 for ; Tue, 30 Aug 2011 17:53:46 +1000 (EST) Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QyJ8W-0003gK-6D; Tue, 30 Aug 2011 07:53:32 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QyJ8V-0006mj-LJ; Tue, 30 Aug 2011 07:53:31 +0000 Received: from ch1ehsobe003.messaging.microsoft.com ([216.32.181.183] helo=ch1outboundpool.messaging.microsoft.com) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QyJ8A-0006is-MZ for linux-arm-kernel@lists.infradead.org; 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Tue, 30 Aug 2011 07:53:08 +0000 Received: from az33smr01.freescale.net (10.64.34.199) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server id 14.1.323.2; Tue, 30 Aug 2011 02:53:07 -0500 Received: from weitway.ap.freescale.net (weitway.ap.freescale.net [10.192.242.159]) by az33smr01.freescale.net (8.13.1/8.13.0) with ESMTP id p7U7r1oW014938; Tue, 30 Aug 2011 02:53:05 -0500 (CDT) From: To: Subject: [PATCH 2/2] ARM: mx53/loco: add pwm backlight device Date: Tue, 30 Aug 2011 15:52:36 +0800 Message-ID: <1314690756-19982-2-git-send-email-jason.chen@freescale.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1314690756-19982-1-git-send-email-jason.chen@freescale.com> References: <1314690756-19982-1-git-send-email-jason.chen@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110830_035310_850187_C63CCFFA X-CRM114-Status: GOOD ( 16.46 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [216.32.181.183 listed in list.dnswl.org] Cc: Jason Chen , eric.miao@linaro.org, linux-arm-kernel@lists.infradead.org, Jason Chen X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org From: Jason Chen Signed-off-by: Jason Chen Signed-off-by: Jason Chen --- arch/arm/mach-mx5/Kconfig | 1 + arch/arm/mach-mx5/board-mx53_loco.c | 11 +++++++++++ arch/arm/mach-mx5/devices-imx53.h | 4 ++++ 3 files changed, 16 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index b4e7c58..1463cd3 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -202,6 +202,7 @@ config MACH_MX53_LOCO select IMX_HAVE_PLATFORM_IMX2_WDT select IMX_HAVE_PLATFORM_IMX_I2C select IMX_HAVE_PLATFORM_IMX_UART + select IMX_HAVE_PLATFORM_MXC_PWM select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX select IMX_HAVE_PLATFORM_GPIO_KEYS select LEDS_GPIO_REGISTER diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c index 4e1d51d..e2d916d 100644 --- a/arch/arm/mach-mx5/board-mx53_loco.c +++ b/arch/arm/mach-mx5/board-mx53_loco.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include @@ -257,6 +258,13 @@ static const struct gpio_led_platform_data mx53loco_leds_data __initconst = { .num_leds = ARRAY_SIZE(mx53loco_leds), }; +static struct platform_pwm_backlight_data loco_pwm_backlight_data = { + .pwm_id = 1, + .max_brightness = 255, + .dft_brightness = 128, + .pwm_period_ns = 50000, +}; + static void __init mx53_loco_board_init(void) { imx53_soc_init(); @@ -273,6 +281,9 @@ static void __init mx53_loco_board_init(void) imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data); imx_add_gpio_keys(&loco_button_data); gpio_led_register_device(-1, &mx53loco_leds_data); + + imx53_add_mxc_pwm(1); + imx53_add_mxc_pwm_backlight(0, &loco_pwm_backlight_data); } static void __init mx53_loco_timer_init(void) diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h index 258e68f..2aa8ef8 100644 --- a/arch/arm/mach-mx5/devices-imx53.h +++ b/arch/arm/mach-mx5/devices-imx53.h @@ -44,3 +44,7 @@ extern const struct imx_imx_keypad_data imx53_imx_keypad_data; extern const struct imx_mxc_pwm_data imx53_mxc_pwm_data[] __initconst; #define imx53_add_mxc_pwm(id) \ imx_add_mxc_pwm(&imx53_mxc_pwm_data[id]) + +#define imx53_add_mxc_pwm_backlight(id, pdata) \ + platform_device_register_resndata(NULL, "pwm-backlight",\ + id, NULL, 0, pdata, sizeof(*pdata));