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Diffstat (limited to 'arch/arm/mach-at91/board-sam9261ek.c')
-rw-r--r--arch/arm/mach-at91/board-sam9261ek.c83
1 files changed, 69 insertions, 14 deletions
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
index 0ce38dfa6ebe..08382c0df221 100644
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -26,6 +26,8 @@
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
+#include <linux/spi/at73c213.h>
+#include <linux/clk.h>
#include <linux/dm9000.h>
#include <linux/fb.h>
#include <linux/gpio_keys.h>
@@ -44,22 +46,11 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <asm/arch/at91sam9_smc.h>
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 2 = USART0 .. USART2
- * 3 = DBGU
- */
-static struct at91_uart_config __initdata ek_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 1,
- .tty_map = { 3, -1, -1, -1 } /* ttyS0, ..., ttyS3 */
-};
-
static void __init ek_map_io(void)
{
/* Initialize processor: 18.432 MHz crystal */
@@ -68,8 +59,11 @@ static void __init ek_map_io(void)
/* Setup the LEDs */
at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
- /* Setup the serial ports and console */
- at91_init_serial(&ek_uart_config);
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init ek_init_irq(void)
@@ -239,6 +233,35 @@ static void __init ek_add_device_ts(void) {}
#endif
/*
+ * Audio
+ */
+static struct at73c213_board_info at73c213_data = {
+ .ssc_id = 1,
+ .shortname = "AT91SAM9261-EK external DAC",
+};
+
+#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
+static void __init at73c213_set_clk(struct at73c213_board_info *info)
+{
+ struct clk *pck2;
+ struct clk *plla;
+
+ pck2 = clk_get(NULL, "pck2");
+ plla = clk_get(NULL, "plla");
+
+ /* AT73C213 MCK Clock */
+ at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
+
+ clk_set_parent(pck2, plla);
+ clk_put(plla);
+
+ info->dac_clk = pck2;
+}
+#else
+static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
+#endif
+
+/*
* SPI devices
*/
static struct spi_board_info ek_spi_devices[] = {
@@ -256,6 +279,7 @@ static struct spi_board_info ek_spi_devices[] = {
.bus_num = 0,
.platform_data = &ads_info,
.irq = AT91SAM9261_ID_IRQ0,
+ .controller_data = (void *) AT91_PIN_PA28, /* CS pin */
},
#endif
#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
@@ -271,6 +295,9 @@ static struct spi_board_info ek_spi_devices[] = {
.chip_select = 3,
.max_speed_hz = 10 * 1000 * 1000,
.bus_num = 0,
+ .mode = SPI_MODE_1,
+ .platform_data = &at73c213_data,
+ .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
},
#endif
};
@@ -460,6 +487,29 @@ static void __init ek_add_device_buttons(void)
static void __init ek_add_device_buttons(void) {}
#endif
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* "bottom" led, green, userled1 to be defined */
+ .name = "ds7",
+ .gpio = AT91_PIN_PA14,
+ .active_low = 1,
+ .default_trigger = "none",
+ },
+ { /* "top" led, green, userled2 to be defined */
+ .name = "ds8",
+ .gpio = AT91_PIN_PA13,
+ .active_low = 1,
+ .default_trigger = "none",
+ },
+ { /* "power" led, yellow */
+ .name = "ds1",
+ .gpio = AT91_PIN_PA23,
+ .default_trigger = "heartbeat",
+ }
+};
+
static void __init ek_board_init(void)
{
/* Serial */
@@ -481,6 +531,9 @@ static void __init ek_board_init(void)
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
/* Touchscreen */
ek_add_device_ts();
+ /* SSC (to AT73C213) */
+ at73c213_set_clk(&at73c213_data);
+ at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
#else
/* MMC */
at91_add_device_mmc(0, &ek_mmc_data);
@@ -489,6 +542,8 @@ static void __init ek_board_init(void)
at91_add_device_lcdc(&ek_lcdc_data);
/* Push Buttons */
ek_add_device_buttons();
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
}
MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")