diff options
| author | Stephen Warren <swarren@nvidia.com> | 2011-03-04 22:42:31 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2011-03-07 15:44:32 -0800 |
| commit | fba3b2fc1b427696d004f5b22191620f90fe8412 (patch) | |
| tree | 8ab2b7e04e9e7520001e0a30e24fd57c5242a83f /arch/arm/mach-tegra/board-harmony.c | |
| parent | de4855d928409caf9c366a9af643bb855aab6bf6 (diff) | |
ARM: tegra: harmony: I2C-related portions of audio support
This patch is the portion of the audio-related setup that relies additionally
on the latest Tegra I2C driver being merged.
* Define platform data for WM8903 audio codec
* Register WM8903 as an I2C device
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-tegra/board-harmony.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-harmony.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c index ea908cd0d550..82c780345a9f 100644 --- a/arch/arm/mach-tegra/board-harmony.c +++ b/arch/arm/mach-tegra/board-harmony.c @@ -27,6 +27,8 @@ #include <linux/i2c.h> #include <linux/i2c-tegra.h> +#include <sound/wm8903.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> @@ -96,6 +98,25 @@ static struct tegra_i2c_platform_data harmony_dvc_platform_data = { .bus_clk_rate = 400000, }; +static struct wm8903_platform_data harmony_wm8903_pdata = { + .irq_active_low = 0, + .micdet_cfg = 0, + .micdet_delay = 100, + .gpio_cfg = { + WM8903_GPIO_NO_CONFIG, + WM8903_GPIO_NO_CONFIG, + 0, + WM8903_GPIO_NO_CONFIG, + WM8903_GPIO_NO_CONFIG, + }, +}; + +static struct i2c_board_info __initdata wm8903_board_info = { + I2C_BOARD_INFO("wm8903", 0x1a), + .platform_data = &harmony_wm8903_pdata, + .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ), +}; + static void __init harmony_i2c_init(void) { tegra_i2c_device1.dev.platform_data = &harmony_i2c1_platform_data; @@ -107,6 +128,8 @@ static void __init harmony_i2c_init(void) platform_device_register(&tegra_i2c_device2); platform_device_register(&tegra_i2c_device3); platform_device_register(&tegra_i2c_device4); + + i2c_register_board_info(0, &wm8903_board_info, 1); } static struct platform_device *harmony_devices[] __initdata = { |