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>

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 ea908cd0d55..82c780345a9 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 = {