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nuttx/boards/arm
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dechao_gong af49db4483 arch/arm/rtl8720f: add I2C master driver support 
Wire the RTL8720F to the shared Ameba I2C master driver
(arch/arm/src/common/ameba/ameba_i2c.c), reusing it unchanged.

Add the per-chip header arch/arm/src/rtl8720f/ameba_i2c_chip.h supplying
the chip's I2C wiring: two controllers (I2C0/I2C1) on their non-secure
register aliases (0x401c8000 / 0x401c9000), the APBPeriph function/clock
masks, the crossbar SCL/SDA pad-mux codes (59/60 and 61/62), and
AMEBA_I2C_HAS_DMA_FIELDS=1 (the chip's I2C_InitTypeDef carries the DMA
request-level fields).

Add the board glue: rtl8720f_i2c.c registers I2C0 at /dev/i2c0
(PA22/PA23) and I2C1 at /dev/i2c1 (PA24/PA25), plus the build wiring
(Make.defs / CMakeLists.txt / ameba_board.mk pull in the common driver
and the fwlib ram_common/ameba_i2c.c data-table source), the bringup
registration hook and the board header declaration.

Add the i2c defconfig (minimal NSH with the i2ctool) and document the
config in the board index.

Signed-off-by: dechao_gong <dechao_gong@realsil.com.cn>
Assisted-by: Claude <noreply@anthropic.com>
2026-08-12 08:46:16 -03:00
..
a1x/pcduino-a10 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
am67/t3-gem-o1 !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
am335x/beaglebone-black arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
at32/at32f437-mini arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
c5471/c5471evm arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
common/stm32 boards/stm32f4discovery: add sensorscope config 2026-07-25 14:45:40 +02:00
csk6 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
cxd56xx cmake: Use NUTTX(_DIR/_BIN_DIR) instead CMAKE(_SRC_DIR/_BIN_DIR) 2026-08-09 11:13:08 -03:00
dm320/ntosd-dm320 !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
efm32 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
eoss3/quickfeather arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
fvp-v8r-aarch32/fvp-armv8r-aarch32 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
gd32f4 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
ht32f491x3/esk32 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
imx6/sabre-6quad arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
imx9 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
imxrt !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
kinetis arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
kl arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
lc823450/lc823450-xgevk arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
lpc17xx_40xx !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
lpc31xx !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
lpc43xx arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
lpc54xx/lpcxpresso-lpc54628 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
lpc214x arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
lpc2378/olimex-lpc2378 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
max326xx/max32660-evsys arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
mcx-nxxx/frdm-mcxn236 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
moxart/moxa !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
mps boards/mps2: Mount xipfs on a RAM MTD device. 2026-07-29 07:49:03 -03:00
mx8mp/verdin-mx8mp arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
nrf52 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
nrf53 boards/nrf53/thingy53: configure XOSC32MCAP 2026-08-08 14:43:09 -03:00
nrf91 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
nuc1xx/nutiny-nuc120 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
phy62xx/phy6222 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
qemu arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
ra4 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
rp23xx cmake: Use NUTTX(_DIR/_BIN_DIR) instead CMAKE(_SRC_DIR/_BIN_DIR) 2026-08-09 11:13:08 -03:00
rp2040 cmake: Use NUTTX(_DIR/_BIN_DIR) instead CMAKE(_SRC_DIR/_BIN_DIR) 2026-08-09 11:13:08 -03:00
rtl8720f/rtl8720f_evb arch/arm/rtl8720f: add I2C master driver support 2026-08-12 08:46:16 -03:00
rtl8721dx/pke8721daf arch/arm/rtl8721dx: add shared Ameba I2C driver 2026-08-12 14:22:00 +08:00
rtl8721f/rtl8721f_evb arch/arm/rtl8721f: add I2C master driver support 2026-08-12 14:22:00 +08:00
s32k1xx arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
s32k3xx !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
sam34 !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
sama5 !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
samd2l2 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
samd5e5 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
samv7 !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
stm32c0 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32f0 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32f1 !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
stm32f2 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32f3 boards/arm/stm32f3/nucleo-f302r8: fix qenco configuration 2026-08-07 11:17:24 +08:00
stm32f4 !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
stm32f7 wireless/lpwan: add SX1301 LoRa concentrator driver 2026-08-06 13:01:39 -03:00
stm32g0 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32g4 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32h5 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32h7 drivers/usbhost: Let the HID keyboard pick its interrupt pipe. 2026-08-09 20:57:41 +08:00
stm32l0 boards/arm/stm32l0/b-l072z-lrwan1: fix radio clock and add LoRa configurations 2026-08-06 13:01:39 -03:00
stm32l1 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32l4 boards/arm/stm32l4/b-l475e-iot01a: Add a QEMU nsh configuration. 2026-08-10 22:46:31 +08:00
stm32l5 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32n6 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32u5 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32wb arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
stm32wl5 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
str71x/olimex-strp711 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
tiva !arch/arm: Use r9 as the PIC base register. 2026-08-06 01:38:23 +08:00
tlsr82/tlsr8278adk80d arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
tms570 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
xmc4 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00