diff options
| author | Andrew Victor <linux@maxim.org.za> | 2008-04-03 01:18:35 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-04 12:52:27 +0400 |
| commit | 5e9df924dd51beaf007ffba42b5deb47e1c6249b (patch) | |
| tree | bf4a34790a09100321f5f6857bf7a0d5fc251285 /arch/arm/mach-at91/board-sam9260ek.c | |
| parent | e5f40bfaf309ec4cc27b717d48fb0824313e5ef8 (diff) | |
| download | linux-5e9df924dd51beaf007ffba42b5deb47e1c6249b.tar.xz | |
[ARM] 4910/1: [AT91] AT73C213 audio on SAM9260-EK and SAM9261-EK boards
Add support for AT73C213 audio DAC on the Atmel SAM9260-EK and
SAM9261-EK boards.
Signed-off-by: Sedji Gaouaou <sedji.gaouaou@atmel.com>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-at91/board-sam9260ek.c')
| -rw-r--r-- | arch/arm/mach-at91/board-sam9260ek.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c index 440553632b53..40c3e95690a9 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> @@ -37,7 +39,6 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> -#include <asm/arch/at91sam9_smc.h> #include "generic.h" @@ -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 }; @@ -190,6 +222,9 @@ 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); } MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK") |