diff options
Diffstat (limited to 'arch/arm/mach-s5pv210/mach-aquila.c')
| -rw-r--r-- | arch/arm/mach-s5pv210/mach-aquila.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c index b0974929dec7..cd441ef35bec 100644 --- a/arch/arm/mach-s5pv210/mach-aquila.c +++ b/arch/arm/mach-s5pv210/mach-aquila.c | |||
| @@ -507,8 +507,31 @@ static struct platform_device *aquila_devices[] __initdata = { | |||
| 507 | &s5p_device_fimc0, | 507 | &s5p_device_fimc0, |
| 508 | &s5p_device_fimc1, | 508 | &s5p_device_fimc1, |
| 509 | &s5p_device_fimc2, | 509 | &s5p_device_fimc2, |
| 510 | &s5pv210_device_iis0, | ||
| 510 | }; | 511 | }; |
| 511 | 512 | ||
| 513 | static void __init aquila_sound_init(void) | ||
| 514 | { | ||
| 515 | unsigned int gpio; | ||
| 516 | |||
| 517 | /* CODEC_XTAL_EN | ||
| 518 | * | ||
| 519 | * The Aquila board have a oscillator which provide main clock | ||
| 520 | * to WM8994 codec. The oscillator provide 24MHz clock to WM8994 | ||
| 521 | * clock. Set gpio setting of "CODEC_XTAL_EN" to enable a oscillator. | ||
| 522 | * */ | ||
| 523 | gpio = S5PV210_GPH3(2); /* XEINT_26 */ | ||
| 524 | gpio_request(gpio, "CODEC_XTAL_EN"); | ||
| 525 | s3c_gpio_cfgpin(gpio, S3C_GPIO_OUTPUT); | ||
| 526 | s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); | ||
| 527 | |||
| 528 | /* Ths main clock of WM8994 codec uses the output of CLKOUT pin. | ||
| 529 | * The CLKOUT[9:8] set to 0x3(XUSBXTI) of 0xE010E000(OTHERS) | ||
| 530 | * because it needs 24MHz clock to operate WM8994 codec. | ||
| 531 | */ | ||
| 532 | __raw_writel(__raw_readl(S5P_OTHERS) | (0x3 << 8), S5P_OTHERS); | ||
| 533 | } | ||
| 534 | |||
| 512 | static void __init aquila_map_io(void) | 535 | static void __init aquila_map_io(void) |
| 513 | { | 536 | { |
| 514 | s5p_init_io(NULL, 0, S5P_VA_CHIPID); | 537 | s5p_init_io(NULL, 0, S5P_VA_CHIPID); |
| @@ -530,6 +553,7 @@ static void __init aquila_machine_init(void) | |||
| 530 | s3c_fimc_setname(2, "s5p-fimc"); | 553 | s3c_fimc_setname(2, "s5p-fimc"); |
| 531 | 554 | ||
| 532 | /* SOUND */ | 555 | /* SOUND */ |
| 556 | aquila_sound_init(); | ||
| 533 | i2c_register_board_info(AP_I2C_GPIO_BUS_5, i2c_gpio5_devs, | 557 | i2c_register_board_info(AP_I2C_GPIO_BUS_5, i2c_gpio5_devs, |
| 534 | ARRAY_SIZE(i2c_gpio5_devs)); | 558 | ARRAY_SIZE(i2c_gpio5_devs)); |
| 535 | 559 | ||