nuttx/boards
dechao_gong d960bc39ee
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arch/arm/rtl8721f: add GPIO character driver support
Wire the shared Ameba GPIO driver into the RTL8721F (amebagreen2) build and
add the EVB board glue:

  - arch/arm/src/rtl8721f: build ameba_gpio.c (CMake/Make.defs), source the
    common Ameba Kconfig, and add ameba_gpio_chip.h describing the chip's
    three GPIO ports (A/B/C), their IRQs and the APBPeriph clock bit.
  - arch/arm/src/common/ameba: teach the driver that amebagreen2's ROM
    GPIO_Init does not call PAD_PullCtrl or GPIO_INTMode, so call both
    explicitly after GPIO_Init; on RTL8721Dx (ram_common) these are harmless
    redundant writes.  Add the AMEBA_PORT_C / AMEBA_PC() helpers.
  - boards/arm/rtl8721f/rtl8721f_evb: register output/input/interrupt demo
    pins, add the bringup hook, and provide a minimal 'gpio' NSH defconfig.
  - Documentation: add a GPIO section for the RTL8721F EVB and fix a
    rising/falling typo in the PKE8721DAF page.

Hardware-verified on the RTL8721F EVB: output, input, and all interrupt
trigger/polarity combinations (rising/falling edge, level high/low).

Signed-off-by: dechao_gong <dechao_gong@realsil.com.cn>
Assisted-by: Claude <noreply@anthropic.com>
2026-07-31 08:49:23 +02:00
..
arm arch/arm/rtl8721f: add GPIO character driver support 2026-07-31 08:49:23 +02:00
arm64 boards/raspberrypi-4b: NXDoom with RTTL audio 2026-07-28 02:46:42 +08:00
avr boards/avr/avrdx/breadxavr: provide board_late_initialize 2026-06-12 09:55:11 -04:00
dummy
hc/m9s12 boards/hc: Replace board_app_initialize 2026-05-02 18:36:46 +08:00
mips arch/mips/jz4780: Add USB host and display controller drivers 2026-07-24 12:17:35 +08:00
misoc/lm32/misoc !libc/stream: remove CONFIG_LIBC_LONG_LONG and always support long long 2026-05-19 16:21:28 +08:00
or1k/mor1kx/or1k boards/comments: Remove legacy comments 2026-05-04 12:16:11 -03:00
renesas boards/comments: Remove legacy comments 2026-05-04 12:16:11 -03:00
risc-v boards/risc-v/esp32c6: Add SW LP Mailbox board support 2026-07-29 09:53:59 +08:00
sim/sim/sim boards/sim: drop unused FSUTILS_PASSWD from sim defconfigs 2026-07-30 11:14:33 -03:00
sparc !libc/stream: remove CONFIG_LIBC_LONG_LONG and always support long long 2026-05-19 16:21:28 +08:00
tricore !sched/clock: remove CONFIG_SYSTEM_TIME64 and always use 64-bit time 2026-05-19 16:21:28 +08:00
x86/qemu/qemu-i486 boards/comments: Remove legacy comments 2026-05-04 12:16:11 -03:00
x86_64/qemu/qemu-intel64 !sched/clock: remove CONFIG_SYSTEM_TIME64 and always use 64-bit time 2026-05-19 16:21:28 +08:00
xtensa boards/stm32h7/linum-stm32h753bi: enable USB FS host, add lvglterm_kbda 2026-07-08 14:08:16 -04:00
z16/z16f/z16f2800100zcog boards/z16: Replace board_app_initialize 2026-05-02 18:36:46 +08:00
z80 boards/comments: Remove legacy comments 2026-05-04 12:16:11 -03:00
.gitignore
Board.mk !tools/mkpasswd: PBKDF2 host tool and ROMFS passwd build integration 2026-07-21 20:19:14 +08:00
boardctl.c !boards/boardctl: Remove BOARDIOC_INIT 2026-05-26 09:57:29 +08:00
CMakeLists.txt
dummy.c
Kconfig arch/arm/rtl8721f: add RTL8721F (Green2) chip and EVB board skeleton 2026-07-30 17:04:14 +08:00
Makefile tools: fix stale archive members surviving a Kconfig-driven CSRCS change 2026-07-28 21:26:03 -03:00