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>
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@ -27,6 +27,8 @@
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#include <linux/i2c.h>
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#include <linux/i2c-tegra.h>
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#include <sound/wm8903.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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@ -96,6 +98,25 @@ static struct tegra_i2c_platform_data harmony_dvc_platform_data = {
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.bus_clk_rate = 400000,
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};
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static struct wm8903_platform_data harmony_wm8903_pdata = {
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.irq_active_low = 0,
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.micdet_cfg = 0,
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.micdet_delay = 100,
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.gpio_cfg = {
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WM8903_GPIO_NO_CONFIG,
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WM8903_GPIO_NO_CONFIG,
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0,
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WM8903_GPIO_NO_CONFIG,
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WM8903_GPIO_NO_CONFIG,
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},
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};
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static struct i2c_board_info __initdata wm8903_board_info = {
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I2C_BOARD_INFO("wm8903", 0x1a),
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.platform_data = &harmony_wm8903_pdata,
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.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
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};
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static void __init harmony_i2c_init(void)
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{
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tegra_i2c_device1.dev.platform_data = &harmony_i2c1_platform_data;
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@ -107,6 +128,8 @@ static void __init harmony_i2c_init(void)
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platform_device_register(&tegra_i2c_device2);
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platform_device_register(&tegra_i2c_device3);
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platform_device_register(&tegra_i2c_device4);
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i2c_register_board_info(0, &wm8903_board_info, 1);
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}
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static struct platform_device *harmony_devices[] __initdata = {
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