diff options
| -rw-r--r-- | arch/arm/configs/at91sam9rlek_defconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91sam9rl_devices.c | 45 | ||||
| -rw-r--r-- | arch/arm/mach-at91/board-sam9rlek.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/board.h | 3 |
4 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/configs/at91sam9rlek_defconfig b/arch/arm/configs/at91sam9rlek_defconfig index 1c76642272a..811bebbdc78 100644 --- a/arch/arm/configs/at91sam9rlek_defconfig +++ b/arch/arm/configs/at91sam9rlek_defconfig @@ -496,6 +496,7 @@ CONFIG_INPUT_TOUCHSCREEN=y # CONFIG_TOUCHSCREEN_PENMOUNT is not set # CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set # CONFIG_TOUCHSCREEN_TOUCHWIN is not set +CONFIG_TOUCHSCREEN_ATMEL_TSADCC=y # CONFIG_TOUCHSCREEN_UCB1400 is not set # CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set # CONFIG_INPUT_MISC is not set diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index 3f9fed4902b..87deb1e1b52 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -527,6 +527,51 @@ static void __init at91_add_device_tc(void) { } /* -------------------------------------------------------------------- + * Touchscreen + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE) +static u64 tsadcc_dmamask = DMA_BIT_MASK(32); + +static struct resource tsadcc_resources[] = { + [0] = { + .start = AT91SAM9RL_BASE_TSC, + .end = AT91SAM9RL_BASE_TSC + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9RL_ID_TSC, + .end = AT91SAM9RL_ID_TSC, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device at91sam9rl_tsadcc_device = { + .name = "atmel_tsadcc", + .id = -1, + .dev = { + .dma_mask = &tsadcc_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = tsadcc_resources, + .num_resources = ARRAY_SIZE(tsadcc_resources), +}; + +void __init at91_add_device_tsadcc(void) +{ + at91_set_A_periph(AT91_PIN_PA17, 0); /* AD0_XR */ + at91_set_A_periph(AT91_PIN_PA18, 0); /* AD1_XL */ + at91_set_A_periph(AT91_PIN_PA19, 0); /* AD2_YT */ + at91_set_A_periph(AT91_PIN_PA20, 0); /* AD3_TB */ + + platform_device_register(&at91sam9rl_tsadcc_device); +} +#else +void __init at91_add_device_tsadcc(void) {} +#endif + + +/* -------------------------------------------------------------------- * RTC * -------------------------------------------------------------------- */ diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c index 3d3f61572cf..27085186430 100644 --- a/arch/arm/mach-at91/board-sam9rlek.c +++ b/arch/arm/mach-at91/board-sam9rlek.c @@ -195,6 +195,8 @@ static void __init ek_board_init(void) at91_add_device_mmc(0, &ek_mmc_data); /* LCD Controller */ at91_add_device_lcdc(&ek_lcdc_data); + /* Touch Screen Controller */ + at91_add_device_tsadcc(); } MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK") diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index e852609d802..fb51f0e0a83 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -172,6 +172,9 @@ extern void __init at91_add_device_ac97(struct atmel_ac97_data *data); /* ISI */ extern void __init at91_add_device_isi(void); + /* Touchscreen Controller */ +extern void __init at91_add_device_tsadcc(void); + /* LEDs */ extern void __init at91_init_leds(u8 cpu_led, u8 timer_led); extern void __init at91_gpio_leds(struct gpio_led *leds, int nr); |