On Wed, Jun 1, 2011 at 1:07 AM, Barry Song <21cnbao@xxxxxxxxx> wrote:
> 2011/5/28 John Bonesio <bones@xxxxxxxxxxxx>:
>> This patch makes it so the top level audio card is initialized from the device
>> tree. This is just the first step getting the audio complex of devices
>> iniialized from device tree nodes.
>>
>> Signed-off-by: John Bonesio<bones@xxxxxxxxxxxx>
>> ---
>>
>> arch/arm/boot/dts/tegra-harmony.dts | 4 +++
>> arch/arm/mach-tegra/board-dt.c | 3 ++
>> sound/soc/tegra/harmony.c | 45 ++++++++++++++++++++++++++++++++---
>> 3 files changed, 48 insertions(+), 4 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts
>> index 05521a5..217a7f0 100644
>> --- a/arch/arm/boot/dts/tegra-harmony.dts
>> +++ b/arch/arm/boot/dts/tegra-harmony.dts
>> @@ -53,6 +53,10 @@
>> clock-frequency = <400000>;
>> };
>>
>> + harmony_audio: audio_card {
>> + compatible = "nvidia,harmony-audio";
>> + };
>> +
>> serial@70006300 {
>> status = "ok";
>> clock-frequency = < 216000000 >;
>> diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c
>> index c498e84..a569ad9 100644
>> --- a/arch/arm/mach-tegra/board-dt.c
>> +++ b/arch/arm/mach-tegra/board-dt.c
>> @@ -56,6 +56,9 @@ static struct platform_device *tegra250_devices[] __initdata = {
>> &tegra_i2c_device2,
>> &tegra_i2c_device3,
>> &tegra_i2c_device4,
>> + &tegra_i2s_device1,
>> + &tegra_das_device,
>> + &tegra_pcm_device,
>
> i am thinking whether platform_device should be created by
> of_platform_device_create after scanning device tree, but not by
> hard-code? looks like the two patches are only trying to let device
> tree deliver gpio to drivers?
Can you please restate your question? I don't think I understand what
you are trying to ask.
g.
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