mango register: EXT_GPIO_INDRT_ACCESS_CTRL
Details
- Name
- EXT_GPIO_INDRT_ACCESS_CTRL
- Offset
- 07f4
- Feature
- LED
Description
External GPIO indirect access controller (of the RTL8231)
default: 0x0000_0000
Fields
| Name | LSB | Bits | Description |
|---|---|---|---|
| RESERVED | 29 | 3 |
|
| GPIO_RCMD_FAIL | 28 | 1 |
Ext GPIO read command fail WRITE commands (GPIO_RWOP=1 and GPIO_CMD=1) will always clear this bit. Any CMD following an error will also clear.
|
| GPIO_DATA | 12 | 16 |
Ext GPIO register data When RWOP=0 then read data from the RTL8231 When RWOP=1 then write data to the RTL8231 |
| GPIO_REG | 7 | 5 |
Ext GPIO register register address Selects the register to be read/written
|
| GPIO_PHYADRR | 2 | 5 |
RTL8231 PHY address to use |
| GPIO_RWOP | 1 | 1 |
Read/write operator
|
| GPIO_CMD | 0 | 1 |
Ext GPIO controller Execute Command
|