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products:sbc:common:applications:gpio:i2c [2022/08/07 22:41] olivia [VIM1/2/3/3L/Edge1] |
products:sbc:common:applications:gpio:i2c [2023/11/07 04:51] (current) nick [Enable I2C] |
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| Line 7: | Line 7: | ||
| ===== I2C Information ===== | ===== I2C Information ===== | ||
| - | | | + | | |
| - | ^ VIM1/ | + | ^ VIM1/ |
| - | | ::: | + | | ::: | ::: | 23(SDA) |
| - | | ::: | + | | ::: |
| - | | ::: | + | | ::: | ::: | 26(SDA) |
| - | ^ VIM3/ | + | ^ VIM3/ |
| - | | ::: | + | | ::: | ::: | 23(SDA) |
| - | | ::: | + | | ::: |
| - | | ::: | + | | ::: | ::: | 26(SDA) |
| - | ^ VIM4 | + | ^ VIM4 |
| - | | ::: | + | | ::: | ::: | 23(SDA) |
| - | | ::: | + | | ::: |
| - | | ::: | + | | ::: | ::: | 26(SDA) |
| + | ^ VIM1S | I2CM B | 22(SCL) | ||
| + | | ::: | ::: | 23(SDA) | ||
| + | | ::: | ||
| + | | ::: | ::: | 26(SDA) | ||
| ===== Enable I2C ===== | ===== Enable I2C ===== | ||
| Line 41: | Line 45: | ||
| /dev/i2c-3 | /dev/i2c-3 | ||
| ``` | ``` | ||
| + | |||
| + | <tabbox VIM3 with 5.15 kernel> | ||
| + | |||
| + | Edit ''/ | ||
| + | |||
| + | |||
| + | e.g. To enable '' | ||
| + | |||
| + | ```shell | ||
| + | fdt_overlays=i2c3 | ||
| + | |||
| + | ``` | ||
| + | |||
| + | After reboot, you will see the I2C device node. | ||
| + | |||
| + | <tabbox VIM3L with 5.15 kernel> | ||
| + | |||
| + | Edit ''/ | ||
| + | |||
| + | |||
| + | e.g. To enable '' | ||
| + | |||
| + | ```shell | ||
| + | fdt_overlays=i2c3 | ||
| + | |||
| + | ``` | ||
| + | |||
| + | After reboot, you will see the I2C device node. | ||
| <tabbox VIM4> | <tabbox VIM4> | ||
| Line 54: | Line 86: | ||
| ``` | ``` | ||
| - | After the reboot, you will see the I2C device node. | + | After reboot, you will see the I2C device node. |
| ```shell | ```shell | ||
| $ ls /dev/i2c-0 | $ ls /dev/i2c-0 | ||
| /dev/i2c-0 | /dev/i2c-0 | ||
| + | ``` | ||
| + | |||
| + | <tabbox VIM1S> | ||
| + | |||
| + | Edit ''/ | ||
| + | |||
| + | |||
| + | e.g. To enable '' | ||
| + | |||
| + | ```shell | ||
| + | fdt_overlays=i2cm_e | ||
| + | |||
| + | ``` | ||
| + | |||
| + | After reboot, you will see the I2C device node. | ||
| + | |||
| + | ```shell | ||
| + | $ ls /dev/i2c-4 | ||
| + | /dev/i2c-4 | ||
| ``` | ``` | ||
| </ | </ | ||
| + | |||
| + | ===== I2C Usage ===== | ||
| + | |||
| + | Please check the [[https:// | ||