@@ -622,6 +622,7 @@ static void __init at91_add_device_tc(void) { }
#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] = {
@@ -642,22 +643,27 @@ static struct platform_device at91sam9rl_tsadcc_device = {
.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(void)
+void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data)
{
+ if (!data)
+ return;
+
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 */
+ tsadcc_data = *data;
platform_device_register(&at91sam9rl_tsadcc_device);
}
#else
-void __init at91_add_device_tsadcc(void) {}
+void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {}
#endif
@@ -243,6 +243,16 @@ static struct gpio_led ek_leds[] = {
/*
+ * Touchscreen
+ */
+static struct at91_tsadcc_data ek_tsadcc_data = {
+ .adc_clock = 1000000,
+ .pendet_debounce = 0x0f,
+ .ts_sample_hold_time = 0x03,
+};
+
+
+/*
* GPIO Buttons
*/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
@@ -310,7 +320,7 @@ static void __init ek_board_init(void)
/* AC97 */
at91_add_device_ac97(&ek_ac97_data);
/* Touch Screen Controller */
- at91_add_device_tsadcc();
+ at91_add_device_tsadcc(&ek_tsadcc_data);
/* LEDs */
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
/* Push Buttons */
@@ -186,7 +186,12 @@ extern void __init at91_add_device_ac97(struct ac97c_platform_data *data);
extern void __init at91_add_device_isi(void);
/* Touchscreen Controller */
-extern void __init at91_add_device_tsadcc(void);
+struct at91_tsadcc_data {
+ unsigned int adc_clock;
+ u8 pendet_debounce;
+ u8 ts_sample_hold_time;
+};
+extern void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data);
/* CAN */
struct at91_can_data {