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-rw-r--r--arch/arm/mach-at91/at91sam9g45_devices.c51
-rw-r--r--arch/arm/mach-at91/at91sam9rl_devices.c10
-rw-r--r--arch/arm/mach-at91/board-sam9m10g45ek.c12
-rw-r--r--arch/arm/mach-at91/board-sam9rlek.c12
-rw-r--r--arch/arm/mach-at91/include/mach/atmel-mci.h24
-rw-r--r--arch/arm/mach-at91/include/mach/board.h7
6 files changed, 112 insertions, 4 deletions
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index a57af3e99c7c..809114d5a5a6 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
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index d345f5453dbe..53aaa94df75a 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -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
diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index 1cf4d8681078..98f9f4bc9396 100644
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -229,6 +229,16 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data;
/*
+ * Touchscreen
+ */
+static struct at91_tsadcc_data ek_tsadcc_data = {
+ .adc_clock = 300000,
+ .pendet_debounce = 0x0d,
+ .ts_sample_hold_time = 0x0a,
+};
+
+
+/*
* GPIO Buttons
*/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
@@ -379,6 +389,8 @@ 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 */
diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c
index bd28e989e54e..7ac20f3a2067 100644
--- a/arch/arm/mach-at91/board-sam9rlek.c
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -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 */
diff --git a/arch/arm/mach-at91/include/mach/atmel-mci.h b/arch/arm/mach-at91/include/mach/atmel-mci.h
new file mode 100644
index 000000000000..998cb0c07135
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/atmel-mci.h
@@ -0,0 +1,24 @@
+#ifndef __MACH_ATMEL_MCI_H
+#define __MACH_ATMEL_MCI_H
+
+#include <mach/at_hdmac.h>
+
+/**
+ * struct mci_dma_data - DMA data for MCI interface
+ */
+struct mci_dma_data {
+ struct at_dma_slave sdata;
+};
+
+/* accessor macros */
+#define slave_data_ptr(s) (&(s)->sdata)
+#define find_slave_dev(s) ((s)->sdata.dma_dev)
+
+#define setup_dma_addr(s, t, r) do { \
+ if (s) { \
+ (s)->sdata.tx_reg = (t); \
+ (s)->sdata.rx_reg = (r); \
+ } \
+} while (0)
+
+#endif /* __MACH_ATMEL_MCI_H */
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index 2295d80dd893..bb6f6a7ba5e0 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -187,7 +187,12 @@ 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 {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.