pinmux is handled in the following addresses:

• IO drive strength control@0xbb000208
• IO Slew rate control@0xbb00020c
• IO Schmitt trigger control@0xbb00021c

• GPIO or I2C-SDA pinmux@0xbb000384(09, 10, 11, 12, 13, 14, 15, 16)
• GPIO or I2C-SCL pinmux@0xbb00036c(08)
• GPIO or I2C-SCL pinmux@0xbb000388(17)
• GPIO or SPI pinmux@0xbb0003a0(03, 04, 05, 06, 07)
• GPIO or LEDSYNC/USB/CS/DO pinmux@0xbb000200(18, 19, all)
• GPIO or JTAG|(all)
• GPIO or LED_STACK(23)
• GPIO or MDIO/MDC(01, 02)
• GPIO or MDX-MDIO/MDC(21, 22)