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 = { &s5p_device_fimc0, &s5p_device_fimc1, &s5p_device_fimc2, + &s5pv210_device_iis0, }; +static void __init aquila_sound_init(void) +{ + unsigned int gpio; + + /* CODEC_XTAL_EN + * + * The Aquila board have a oscillator which provide main clock + * to WM8994 codec. The oscillator provide 24MHz clock to WM8994 + * clock. Set gpio setting of "CODEC_XTAL_EN" to enable a oscillator. + * */ + gpio = S5PV210_GPH3(2); /* XEINT_26 */ + gpio_request(gpio, "CODEC_XTAL_EN"); + s3c_gpio_cfgpin(gpio, S3C_GPIO_OUTPUT); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + + /* Ths main clock of WM8994 codec uses the output of CLKOUT pin. + * The CLKOUT[9:8] set to 0x3(XUSBXTI) of 0xE010E000(OTHERS) + * because it needs 24MHz clock to operate WM8994 codec. + */ + __raw_writel(__raw_readl(S5P_OTHERS) | (0x3 << 8), S5P_OTHERS); +} + static void __init aquila_map_io(void) { s5p_init_io(NULL, 0, S5P_VA_CHIPID); @@ -530,6 +553,7 @@ static void __init aquila_machine_init(void) s3c_fimc_setname(2, "s5p-fimc"); /* SOUND */ + aquila_sound_init(); i2c_register_board_info(AP_I2C_GPIO_BUS_5, i2c_gpio5_devs, ARRAY_SIZE(i2c_gpio5_devs)); |
