arch/risc-v/espressif: Add TWAI2 support for esp32p4

[eren-terzioglu]

Summary

Unnecessary select lines and free to choose ESPRESSIF_TWAI option (which should not be) handled to have clearer Kconfig option system

• Docs/platforms/risc-v: Add TWAI2 docs for esp32p4

Add TWAI2 docs for esp32p4

• boards/risc-v/esp32p4: Add TWAI2 support for esp32p4

Add TWAI2 support for esp32p4

• arch/risc-v/espressif: Add TWAI2 support for esp32p4

Enable TWAI2 support for esp32p4

Impact

Impact on user: Yes, twai2 can be used with ESP32-P4

Impact on build: No

Impact on hardware: Yes, twai2 peripheral supported for ESP32-P4

Impact on documentation: Yes, related docs added

Impact on security: No

Impact on compatibility: No

Testing

esp32p4-function-ev-board:twai config used with CAN_LOOPBACK and ESPRESSIF_TWAI2 options enabled

Building

Command to build:

make distclean && ./tools/configure.sh esp32p4-function-ev-board:twai && kconfig-tweak -e CAN_LOOPBACK && kconfig-tweak -e  ESPRESSIF_TWAI2 && make olddefconfig && make -j && make download ESPTOOL_PORT=/dev/ttyUSB0

Running

can -n 5 command used to test with connecting PIN 6-7 with a cable

Results

nsh> can -n 5
nmsgs: 5
min ID: 1 max ID: 2047
Bit timing:
   Baud: 909090
  TSEG1: 16
  TSEG2: 5
    SJW: 4
  ID:    1 DLC: 1
  ID:    1 DLC: 1
  ID:    1 DLC: 1 -- OK
  ID:    2 DLC: 2
  ID:    2 DLC: 2
  ID:    2 DLC: 2 -- OK
  ID:    3 DLC: 3
  ID:    3 DLC: 3
  ID:    3 DLC: 3 -- OK
  ID:    4 DLC: 4
  ID:    4 DLC: 4
  ID:    4 DLC: 4 -- OK
  ID:    5 DLC: 5
  ID:    5 DLC: 5
  ID:    5 DLC: 5 -- OK
Terminating!
nsh> 

[github-actions]

MemBrowse Memory Report

No memory changes detected for:

• arduino-mega2560
• esp32-devkitc
• hifive1-revb
• mirtoo
• qemu-armv8a
• qemu-intel64
• rx65n-rsk2mb
• s698pm-dkit
• stm32-nucleo-f103rb

[eren-terzioglu]

Thanks @tmedicci, updated.