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authorStephen Warren <swarren@nvidia.com>2011-03-05 06:42:31 +0100
committerOlof Johansson <olof@lixom.net>2011-03-08 00:44:32 +0100
commitfba3b2fc1b427696d004f5b22191620f90fe8412 (patch)
tree8ab2b7e04e9e7520001e0a30e24fd57c5242a83f /arch
parentARM: tegra: harmony: register i2c devices (diff)
downloadlinux-fba3b2fc1b427696d004f5b22191620f90fe8412.tar.xz
linux-fba3b2fc1b427696d004f5b22191620f90fe8412.zip
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')
-rw-r--r--arch/arm/mach-tegra/board-harmony.c23
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 = {