diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam9g45_devices.c')
-rw-r--r-- | arch/arm/mach-at91/at91sam9g45_devices.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index a57af3e99c7..809114d5a5a 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -866,6 +866,57 @@ static void __init at91_add_device_rtc(void) {} /* -------------------------------------------------------------------- + * Touchscreen + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE) +static u64 tsadcc_dmamask = DMA_BIT_MASK(32); +static struct at91_tsadcc_data tsadcc_data; + +static struct resource tsadcc_resources[] = { + [0] = { + .start = AT91SAM9G45_BASE_TSC, + .end = AT91SAM9G45_BASE_TSC + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9G45_ID_TSC, + .end = AT91SAM9G45_ID_TSC, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device at91sam9g45_tsadcc_device = { + .name = "atmel_tsadcc", + .id = -1, + .dev = { + .dma_mask = &tsadcc_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &tsadcc_data, + }, + .resource = tsadcc_resources, + .num_resources = ARRAY_SIZE(tsadcc_resources), +}; + +void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) +{ + if (!data) + return; + + at91_set_gpio_input(AT91_PIN_PD20, 0); /* AD0_XR */ + at91_set_gpio_input(AT91_PIN_PD21, 0); /* AD1_XL */ + at91_set_gpio_input(AT91_PIN_PD22, 0); /* AD2_YT */ + at91_set_gpio_input(AT91_PIN_PD23, 0); /* AD3_TB */ + + tsadcc_data = *data; + platform_device_register(&at91sam9g45_tsadcc_device); +} +#else +void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} +#endif + + +/* -------------------------------------------------------------------- * RTT * -------------------------------------------------------------------- */ |