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Tue, 30 Aug 2011 21:02:27 -0500 (CDT) From: To: CC: , , , Jason Chen , Jason Chen Subject: [PATCH-V3 2/2] ARM: mx53/loco: add pwm backlight device Date: Wed, 31 Aug 2011 10:02:13 +0800 Message-ID: <1314756133-12676-2-git-send-email-jason.chen@freescale.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1314756133-12676-1-git-send-email-jason.chen@freescale.com> References: <1314756133-12676-1-git-send-email-jason.chen@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com 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/plat-mxc/include/mach/devices-common.h | 8 ++++++++ 3 files changed, 20 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..ae96128 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); + imx_add_pwm_backlight(0, &loco_pwm_backlight_data); } static void __init mx53_loco_timer_init(void) diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h index 524538a..555c6952 100644 --- a/arch/arm/plat-mxc/include/mach/devices-common.h +++ b/arch/arm/plat-mxc/include/mach/devices-common.h @@ -301,3 +301,11 @@ struct platform_device *__init imx_add_spi_imx( struct platform_device *imx_add_imx_dma(void); struct platform_device *imx_add_imx_sdma(char *name, resource_size_t iobase, int irq, struct sdma_platform_data *pdata); + +#include +static inline struct platform_device *__init imx_add_pwm_backlight( + int id, const struct platform_pwm_backlight_data *pdata) +{ + return platform_device_register_resndata(NULL, "pwm-backlight", + id, NULL, 0, pdata, sizeof(*pdata)); +}