Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 174242
b: refs/heads/master
c: 985f37f
h: refs/heads/master
v: v3
  • Loading branch information
Nicolas Ferre authored and Dmitry Torokhov committed Nov 20, 2009
1 parent 6b7daa0 commit 209bd43
Show file tree
Hide file tree
Showing 4 changed files with 65 additions and 2 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 423c9b0dc3d01e50a4df4e48e8477bfb33638d6e
refs/heads/master: 985f37f827f5012f88e286914cdbae87b9f50ed1
51 changes: 51 additions & 0 deletions trunk/arch/arm/mach-at91/at91sam9g45_devices.c
Original file line number Diff line number Diff line change
Expand Up @@ -809,6 +809,57 @@ static void __init at91_add_device_rtc(void) {}
#endif


/* --------------------------------------------------------------------
* 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
* -------------------------------------------------------------------- */
Expand Down
12 changes: 12 additions & 0 deletions trunk/arch/arm/mach-at91/board-sam9m10g45ek.c
Original file line number Diff line number Diff line change
Expand Up @@ -228,6 +228,16 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data;
#endif


/*
* Touchscreen
*/
static struct at91_tsadcc_data ek_tsadcc_data = {
.adc_clock = 300000,
.pendet_debounce = 0x0d,
.ts_sample_hold_time = 0x0a,
};


/*
* GPIO Buttons
*/
Expand Down Expand Up @@ -378,6 +388,8 @@ static void __init ek_board_init(void)
at91_add_device_i2c(0, NULL, 0);
/* LCD Controller */
at91_add_device_lcdc(&ek_lcdc_data);
/* Touch Screen */
at91_add_device_tsadcc(&ek_tsadcc_data);
/* Push Buttons */
ek_add_device_buttons();
/* AC97 */
Expand Down
2 changes: 1 addition & 1 deletion trunk/drivers/input/touchscreen/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -309,7 +309,7 @@ config TOUCHSCREEN_TOUCHWIN

config TOUCHSCREEN_ATMEL_TSADCC
tristate "Atmel Touchscreen Interface"
depends on ARCH_AT91SAM9RL
depends on ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
help
Say Y here if you have a 4-wire touchscreen connected to the
ADC Controller on your Atmel SoC (such as the AT91SAM9RL).
Expand Down

0 comments on commit 209bd43

Please sign in to comment.