diff options
| author | Jingchang Lu <b35083@freescale.com> | 2012-09-12 13:50:15 +0800 |
|---|---|---|
| committer | Andy Voltz <andy.voltz@timesys.com> | 2012-10-17 14:37:22 -0400 |
| commit | 163da8b897550dad394cd1483c6bca9aa730c8e1 (patch) | |
| tree | 1761cf79da8a70199ad8bcc00454d7ae64aebc12 /arch | |
| parent | d69fab521df6877782ed38b11677057a5400cbc4 (diff) | |
ENGR00180956-3: Add PWM LED device support on MVF600
Four LEDS are connected to FTM0 ch0~3 on TWR-MVF600 board,
the PWM signal can use control these LEDS on/off or demo.
Signed-off-by: Jingchang Lu <b35083@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mvf/board-twr-vf700.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-mvf/devices-mvf.h | 3 |
2 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-mvf/board-twr-vf700.c b/arch/arm/mach-mvf/board-twr-vf700.c index 187293ec369a..4b5e7cd7024c 100644 --- a/arch/arm/mach-mvf/board-twr-vf700.c +++ b/arch/arm/mach-mvf/board-twr-vf700.c @@ -339,6 +339,19 @@ static struct mxc_nand_platform_data mvf_data __initdata = { .width = 2, }; +static struct led_pwm mvf_led __initdata = { + .name = "mvf_leds", + .pwm_id = 1, + .active_low = 0, + .max_brightness = 6, + .pwm_period_ns = 100000000, +}; + +static struct led_pwm_platform_data mvf_led_data __initdata = { + .num_leds = 1, + .leds = &mvf_led, +}; + static void __init mvf_twr_init_usb(void) { imx_otg_base = MVF_IO_ADDRESS(MVF_USBC0_BASE_ADDR); @@ -383,6 +396,8 @@ static void __init mvf_board_init(void) mvf_add_nand(&mvf_data); mvf_add_mxc_pwm(0); + mvf_add_pwm_leds(&mvf_led_data); + } static void __init mvf_timer_init(void) diff --git a/arch/arm/mach-mvf/devices-mvf.h b/arch/arm/mach-mvf/devices-mvf.h index e96c7edd0395..4e852fef4a4c 100644 --- a/arch/arm/mach-mvf/devices-mvf.h +++ b/arch/arm/mach-mvf/devices-mvf.h @@ -207,3 +207,6 @@ extern const struct imx_pxp_data mvf_pxp_data __initconst; extern const struct imx_epdc_data mvf_epdc_data __initconst; #define mvf_add_imx_epdc(pdata) \ imx_add_imx_epdc(&mvf_epdc_data, pdata) + +#define mvf_add_pwm_leds(pdata) \ + imx_add_platform_device("leds_pwm", 0, NULL, 0, pdata, sizeof(*pdata)) |