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-rw-r--r--arch/arm/mach-at91/at91sam9263_devices.c36
-rw-r--r--arch/arm/mach-at91/board-sam9263ek.c19
-rw-r--r--arch/arm/mach-at91/include/mach/board.h6
3 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 55719a97427..fb5c23af101 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -757,6 +757,42 @@ void __init at91_add_device_ac97(struct ac97c_platform_data *data)
void __init at91_add_device_ac97(struct ac97c_platform_data *data) {}
#endif
+/* --------------------------------------------------------------------
+ * CAN Controller
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_CAN_AT91) || defined(CONFIG_CAN_AT91_MODULE)
+static struct resource can_resources[] = {
+ [0] = {
+ .start = AT91SAM9263_BASE_CAN,
+ .end = AT91SAM9263_BASE_CAN + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9263_ID_CAN,
+ .end = AT91SAM9263_ID_CAN,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9263_can_device = {
+ .name = "at91_can",
+ .id = -1,
+ .resource = can_resources,
+ .num_resources = ARRAY_SIZE(can_resources),
+};
+
+void __init at91_add_device_can(struct at91_can_data *data)
+{
+ at91_set_A_periph(AT91_PIN_PA13, 0); /* CANTX */
+ at91_set_A_periph(AT91_PIN_PA14, 0); /* CANRX */
+ at91sam9263_can_device.dev.platform_data = data;
+
+ platform_device_register(&at91sam9263_can_device);
+}
+#else
+void __init at91_add_device_can(struct at91_can_data *data) {}
+#endif
/* --------------------------------------------------------------------
* LCD Controller
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 26f1aa6049a..2d867fb0630 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -400,6 +400,23 @@ static struct gpio_led ek_pwm_led[] = {
}
};
+/*
+ * CAN
+ */
+static void sam9263ek_transceiver_switch(int on)
+{
+ if (on) {
+ at91_set_gpio_output(AT91_PIN_PA18, 1); /* CANRXEN */
+ at91_set_gpio_output(AT91_PIN_PA19, 0); /* CANRS */
+ } else {
+ at91_set_gpio_output(AT91_PIN_PA18, 0); /* CANRXEN */
+ at91_set_gpio_output(AT91_PIN_PA19, 1); /* CANRS */
+ }
+}
+
+static struct at91_can_data ek_can_data = {
+ .transceiver_switch = sam9263ek_transceiver_switch,
+};
static void __init ek_board_init(void)
{
@@ -431,6 +448,8 @@ static void __init ek_board_init(void)
/* LEDs */
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
+ /* CAN */
+ at91_add_device_can(&ek_can_data);
}
MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index 583f38a38df..2f4fcedc02b 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -188,6 +188,12 @@ extern void __init at91_add_device_isi(void);
/* Touchscreen Controller */
extern void __init at91_add_device_tsadcc(void);
+/* CAN */
+struct at91_can_data {
+ void (*transceiver_switch)(int on);
+};
+extern void __init at91_add_device_can(struct at91_can_data *data);
+
/* 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);