This patch add initializtion code of audio and I2S platform drivers
to Goni and Aquila board.
Signed-off-by : Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
Signed-off-by : Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
Signed-off-by : Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
arch/arm/mach-s5pv210/mach-aquila.c | 24 ++++++++++++++++++++++++
arch/arm/mach-s5pv210/mach-goni.c | 11 +++++++++++
2 files changed, 35 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index 0663ec4..92dad41 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.
+ */
+ writel(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));
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index df5c2d1..d3bab85 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -488,8 +488,18 @@ static struct platform_device *goni_devices[] __initdata = {
&s3c_device_hsmmc0,
&s3c_device_hsmmc1,
&s3c_device_hsmmc2,
+ &s5pv210_device_iis0,
};
+static void __init goni_sound_init(void)
+{
+ /* 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.
+ */
+ writel(readl(S5P_OTHERS) | (0x3 << 8), S5P_OTHERS);
+}
+
static void __init goni_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@@ -507,6 +517,7 @@ static void __init goni_machine_init(void)
goni_setup_sdhci();
/* SOUND */
+ goni_sound_init();
i2c_register_board_info(AP_I2C_GPIO_BUS_5, i2c_gpio5_devs,
ARRAY_SIZE(i2c_gpio5_devs));
--
1.7.0.4
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