diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9260ek.c')
-rw-r--r-- | arch/arm/mach-at91/board-sam9260ek.c | 83 |
1 files changed, 69 insertions, 14 deletions
diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c index b343a6c28120..4d1d9c777084 100644 --- a/arch/arm/mach-at91/board-sam9260ek.c +++ b/arch/arm/mach-at91/board-sam9260ek.c @@ -25,6 +25,8 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/spi/spi.h> +#include <linux/spi/at73c213.h> +#include <linux/clk.h> #include <asm/hardware.h> #include <asm/setup.h> @@ -37,29 +39,28 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> -#include <asm/arch/at91sam926x_mc.h> #include "generic.h" -/* - * Serial port configuration. - * 0 .. 5 = USART0 .. USART5 - * 6 = DBGU - */ -static struct at91_uart_config __initdata ek_uart_config = { - .console_tty = 0, /* ttyS0 */ - .nr_tty = 3, - .tty_map = { 6, 0, 1, -1, -1, -1, -1 } /* ttyS0, ..., ttyS6 */ -}; - static void __init ek_map_io(void) { /* Initialize processor: 18.432 MHz crystal */ at91sam9260_initialize(18432000); - /* Setup the serial ports and console */ - at91_init_serial(&ek_uart_config); + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ + at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); } static void __init ek_init_irq(void) @@ -85,6 +86,35 @@ static struct at91_udc_data __initdata ek_udc_data = { /* + * Audio + */ +static struct at73c213_board_info at73c213_data = { + .ssc_id = 0, + .shortname = "AT91SAM9260-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 *pck0; + struct clk *plla; + + pck0 = clk_get(NULL, "pck0"); + plla = clk_get(NULL, "plla"); + + /* AT73C213 MCK Clock */ + at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */ + + clk_set_parent(pck0, plla); + clk_put(plla); + + info->dac_clk = pck0; +} +#else +static void __init at73c213_set_clk(struct at73c213_board_info *info) {} +#endif + +/* * SPI devices. */ static struct spi_board_info ek_spi_devices[] = { @@ -110,6 +140,8 @@ static struct spi_board_info ek_spi_devices[] = { .chip_select = 0, .max_speed_hz = 10 * 1000 * 1000, .bus_num = 1, + .mode = SPI_MODE_1, + .platform_data = &at73c213_data, }, #endif }; @@ -172,6 +204,24 @@ static struct at91_mmc_data __initdata ek_mmc_data = { // .vcc_pin = ... not connected }; + +/* + * LEDs + */ +static struct gpio_led ek_leds[] = { + { /* "bottom" led, green, userled1 to be defined */ + .name = "ds5", + .gpio = AT91_PIN_PA6, + .active_low = 1, + .default_trigger = "none", + }, + { /* "power" led, yellow */ + .name = "ds1", + .gpio = AT91_PIN_PA9, + .default_trigger = "heartbeat", + } +}; + static void __init ek_board_init(void) { /* Serial */ @@ -190,6 +240,11 @@ static void __init ek_board_init(void) at91_add_device_mmc(0, &ek_mmc_data); /* I2C */ at91_add_device_i2c(NULL, 0); + /* SSC (to AT73C213) */ + at73c213_set_clk(&at73c213_data); + at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); } MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK") |