This patch adds touchscreen info into specific cpu and board.
Signed-off-by: Justin Waters <justin.waters@xxxxxxxxxxx>
Signed-off-by: Dan Liang <dan.liang@xxxxxxxxx>
---
arch/arm/mach-at91/at91sam9rl_devices.c | 45 +++++
arch/arm/mach-at91/board-sam9rlek.c | 2 +
include/asm-arm/arch-at91/board.h | 3 +
3 files changed, 50 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c
b/arch/arm/mach-at91/at91sam9rl_devices.c
index 450db30..b2b1253 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -432,6 +432,51 @@ 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 at91_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(&at91_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 ffc0597..57da753 100644
--- a/arch/arm/mach-at91/board-sam9rlek.c
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -185,6 +185,8 @@ 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/include/asm-arm/arch-at91/board.h
b/include/asm-arm/arch-at91/board.h
index dc189f0..e59e088 100644
--- a/include/asm-arm/arch-at91/board.h
+++ b/include/asm-arm/arch-at91/board.h
@@ -158,6 +158,9 @@ 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);
--
1.5.0.6
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