Editing N900 Hardware Bus I2c
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- | + | =Hardware= | |
- | + | Bus 1. | |
+ | * 0x48 [[N900 Hardware Chipset|Gaia/chipset]] | ||
+ | dummy/1-004a | ||
+ | dummy/1-0049 | ||
+ | dummy/1-004b | ||
- | + | Bus 2. | |
- | + | ||
- | + | tsl2563/2-0029 | |
- | + | smia-sensor/2-0010 | |
- | + | aic3x I2C Codec/2-0018 | |
- | * | + | aic34b_dummy/2-0019 |
+ | adp1653/2-0030 | ||
+ | * 0x63 [[N900 Hardware FM Retriever|FM receiver]] | ||
+ | tpa6130a2/2-0060 | ||
* 0x32 [[N900 Hardware LED]] | * 0x32 [[N900 Hardware LED]] | ||
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- | + | Bus 3. | |
- | + | ||
- | + | ||
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- | + | ||
- | + | * 0x0c [[N900 Hardware Autofocus|Lens focus control]] | |
- | * | + | * 0x3e [[N900 Hardware Camera Sensor|Front Camera (control)]] |
- | + | * 0x1d [[N900 Hardware Accelerometer|Accelerometer]] | |
- | + | /sys/bus/i2c/drivers# ls -d */*-* | |
- | The | + | =Software= |
+ | The n900 software driving I2C comes in three flavours. | ||
Firstly, there are a large number of kernel drivers. | Firstly, there are a large number of kernel drivers. | ||
- | Then, there are a small number of devices 'bit banged' through I2C ioctls - BME for example does this | + | Then, there are a small number of devices 'bit banged' through I2C ioctls - BME for example does this. |
+ | |||
+ | Finally, there are probably some I2C components in the Rapuyama and assorted cellphone/GPS hardware. These are not visible to the casual developer. | ||
+ | (you have to open the n900 and probe stuff, or hack the phone firmware). | ||
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[[Category:N900 Hardware]] | [[Category:N900 Hardware]] |
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