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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>
This commit is contained in:
Stephen Warren 2011-03-04 22:42:31 -07:00 committed by Olof Johansson
parent de4855d928
commit fba3b2fc1b
1 changed files with 23 additions and 0 deletions
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23
arch/arm/mach-tegra/board-harmony.c
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@ -27,6 +27,8 @@
#include <linux/i2c.h> #include <linux/i2c.h>
#include <linux/i2c-tegra.h> #include <linux/i2c-tegra.h>
#include <sound/wm8903.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <asm/mach/time.h> #include <asm/mach/time.h>
@ -96,6 +98,25 @@ static struct tegra_i2c_platform_data harmony_dvc_platform_data = {
.bus_clk_rate = 400000, .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) static void __init harmony_i2c_init(void)
{ {
tegra_i2c_device1.dev.platform_data = &harmony_i2c1_platform_data; 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_device2);
platform_device_register(&tegra_i2c_device3); platform_device_register(&tegra_i2c_device3);
platform_device_register(&tegra_i2c_device4); platform_device_register(&tegra_i2c_device4);
i2c_register_board_info(0, &wm8903_board_info, 1);
} }
static struct platform_device *harmony_devices[] __initdata = { static struct platform_device *harmony_devices[] __initdata = {