diff options
| author | Fred Fan <r01011@freescale.com> | 2010-02-01 17:59:21 +0800 |
|---|---|---|
| committer | Alejandro Gonzalez <alex.gonzalez@digi.com> | 2010-05-25 11:13:36 +0200 |
| commit | 98ad73d7a7f0feda04bb6f08bcb3e52d3371e291 (patch) | |
| tree | 9681810d575c2e5c1c043168827119e673ccbdce /arch/arm/plat-mxs | |
| parent | a60bb4552efe784d8ebde51c34965c1119ac537c (diff) | |
ENGR00120621-2 i.MX28 LED support
1. Add platform support
2. Changed LED to control brightness by inactve couter
Signed-off-by: Yao Jeremy <r65161@freescale.com>
Signed-off-by: Fred.fan <r01011@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
Diffstat (limited to 'arch/arm/plat-mxs')
| -rw-r--r-- | arch/arm/plat-mxs/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arm/plat-mxs/device.c | 28 | ||||
| -rw-r--r-- | arch/arm/plat-mxs/include/mach/device.h | 12 |
3 files changed, 41 insertions, 5 deletions
diff --git a/arch/arm/plat-mxs/Kconfig b/arch/arm/plat-mxs/Kconfig index 6c02d308f173..befd404a3f11 100644 --- a/arch/arm/plat-mxs/Kconfig +++ b/arch/arm/plat-mxs/Kconfig @@ -52,6 +52,12 @@ config MXS_LRADC help Enable LRADC support +config MXS_PWM_CHANNELS + int + default 8 + help + The number of pwm channel on Freescale MXS platform. + menu "Freescale Application UART:" config MXS_AUART_DMA_SUPPORT diff --git a/arch/arm/plat-mxs/device.c b/arch/arm/plat-mxs/device.c index 165d3e0ad462..ae42a711057f 100644 --- a/arch/arm/plat-mxs/device.c +++ b/arch/arm/plat-mxs/device.c @@ -118,7 +118,7 @@ static struct platform_device mxs_i2c[] = { .name = "mxs-i2c", .id = 0, .dev = { - .dma_mask = &common_dmamask, + .dma_mask = &common_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .release = mxs_nop_release, }, @@ -129,7 +129,7 @@ static struct platform_device mxs_i2c[] = { .name = "mxs-i2c", .id = 1, .dev = { - .dma_mask = &common_dmamask, + .dma_mask = &common_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .release = mxs_nop_release, }, @@ -145,7 +145,7 @@ static struct platform_device mxs_mmc[] = { .name = "mxs-mmc", .id = 0, .dev = { - .dma_mask = &common_dmamask, + .dma_mask = &common_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .release = mxs_nop_release, }, @@ -154,7 +154,7 @@ static struct platform_device mxs_mmc[] = { .name = "mxs-mmc", .id = 1, .dev = { - .dma_mask = &common_dmamask, + .dma_mask = &common_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .release = mxs_nop_release, }, @@ -190,7 +190,7 @@ static struct platform_device mxs_fb = { .name = "mxs-fb", .id = 0, .dev = { - .dma_mask = &common_dmamask, + .dma_mask = &common_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .release = mxs_nop_release, }, @@ -308,6 +308,16 @@ static struct platform_device mxs_auart[] = { }; #endif +#if defined(CONFIG_LEDS_MXS) || defined(CONFIG_LEDS_MXS_MODULE) +static struct platform_device mxs_led = { + .name = "mxs-leds", + .id = 0, + .dev = { + .release = mxs_nop_release, + }, +}; +#endif + static struct mxs_dev_lookup dev_lookup[] = { #if defined(CONFIG_SERIAL_MXS_DUART) || \ defined(CONFIG_SERIAL_MXS_DUART_MODULE) @@ -413,6 +423,14 @@ static struct mxs_dev_lookup dev_lookup[] = { .pdev = mxs_auart, }, #endif + +#if defined(CONFIG_LEDS_MXS) || defined(CONFIG_LEDS_MXS_MODULE) + { + .name = "mxs-leds", + .size = 1, + .pdev = &mxs_led, + }, +#endif }; struct platform_device *mxs_get_device(char *name, int id) diff --git a/arch/arm/plat-mxs/include/mach/device.h b/arch/arm/plat-mxs/include/mach/device.h index a8b59a3a6c81..aaf61bfe067a 100644 --- a/arch/arm/plat-mxs/include/mach/device.h +++ b/arch/arm/plat-mxs/include/mach/device.h @@ -23,6 +23,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/ioport.h> +#include <linux/leds.h> #include <asm/mach/time.h> @@ -94,6 +95,17 @@ struct mxs_auart_plat_data { const char *clk; }; +struct mxs_pwm_led { + struct led_classdev dev; + const char *name; + unsigned int pwm; +}; + +struct mxs_pwm_leds_plat_data { + unsigned int num; + struct mxs_pwm_led *leds; +}; + extern void mxs_timer_init(struct mxs_sys_timer *timer); extern void mxs_nop_release(struct device *dev); |