[PATCH] ARM: mx53/loco: add pwm backlight device

Uwe Kleine-König u.kleine-koenig at pengutronix.de
Mon Apr 4 12:08:55 EDT 2011


On Fri, Mar 04, 2011 at 10:51:26AM +0800, Jason Chen wrote:
> Signed-off-by: Jason Chen <b02280 at freescale.com>
> ---
>  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 f065a0d..baf5223 100644
> --- a/arch/arm/mach-mx5/Kconfig
> +++ b/arch/arm/mach-mx5/Kconfig
> @@ -162,6 +162,7 @@ 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
>  	help
>  	  Include support for MX53 LOCO platform. This includes specific
>  	  configurations for the board and its peripherals.
> diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
> index 160899e..3b0b200 100644
> --- a/arch/arm/mach-mx5/board-mx53_loco.c
> +++ b/arch/arm/mach-mx5/board-mx53_loco.c
> @@ -23,6 +23,7 @@
>  #include <linux/fec.h>
>  #include <linux/delay.h>
>  #include <linux/gpio.h>
> +#include <linux/pwm_backlight.h>
>  
>  #include <mach/common.h>
>  #include <mach/hardware.h>
> @@ -203,6 +204,13 @@ static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = {
>  	.bitrate = 100000,
>  };
>  
> +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)
>  {
>  	mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
> @@ -213,6 +221,9 @@ static void __init mx53_loco_board_init(void)
>  	imx53_add_imx2_wdt(0, NULL);
>  	imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
>  	imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
> +
> +	imx53_add_mxc_pwm(1);
can you please resend this with the series adding this function when
addressing the comments I just gave.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |



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