N900 Hardware Bus I2c
(New page: =Hardware= /sys/bus/i2c/drivers# ls -d */*-* ad5820/3-000c dummy/1-004a radio-si4713/2-0063 adp1653/2-0030 dummy/1-004b smia-sensor/2-0010 aic3...) |
(→Hardware) |
||
| Line 1: | Line 1: | ||
=Hardware= | =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 | ||
| + | lp5523/2-0032 | ||
| + | |||
| + | Bus 3. | ||
| + | |||
| + | ad5820/3-000c | ||
| + | et8ek8/3-003e | ||
| + | lis302dl/3-001d | ||
| + | |||
/sys/bus/i2c/drivers# ls -d */*-* | /sys/bus/i2c/drivers# ls -d */*-* | ||
| - | |||
| - | |||
| - | |||
| - | |||
| - | |||
=Software= | =Software= | ||
Revision as of 15:39, 7 June 2010
Hardware
Bus 1.
- 0x48 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 FM receiver
tpa6130a2/2-0060 lp5523/2-0032
Bus 3.
ad5820/3-000c
et8ek8/3-003e lis302dl/3-001d
/sys/bus/i2c/drivers# ls -d */*-*
Software
The n900 software driving I2C comes in three flavours.
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.
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).