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nuttx/boards/arm
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Marco Casaroli d3e856c56e arch/arm/rp23xx: Add RTC alarm support on the POWMAN always-on timer. 
The always-on timer has an alarm comparator, but the RTC driver did not
use it: rp23xx_rtc.c implemented only up_rtc_initialize(),
up_rtc_time() and up_rtc_settime().

Add the alarm and an RTC lower half for /dev/rtc0:

- rp23xx_rtc_setalarm(), rp23xx_rtc_cancelalarm() and
  rp23xx_rtc_rdalarm() on the ALARM_TIME registers and the POWMAN
  timer interrupt.
- An RTC lower half with rdtime, settime, setalarm, setrelative,
  cancelalarm and rdalarm, registered by the common board bringup.

The comparator asserts while the time is past the alarm time, not on
a transition.  So the interrupt handler disables the alarm before it
does anything else; clearing only the status makes the interrupt
repeat.  The arming sequence is the one of
powman_timer_enable_alarm_at_ms() in the Pico SDK.

Assisted-by: Claude Code:claude-opus-5-5
Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com>
2026-10-07 16:22:56 -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 drivers/vhost: Optimize vhost-net performance and robustness 2026-09-27 18:41:30 +08:00
am335x boards/arm: Add support for the original BeagleBone 2026-08-19 10:11:38 +08:00
at32/at32f437-mini net/netdev: Combine the per-command CAN ioctl options into NETDEV_CAN_IOCTL 2026-09-01 17:40:47 +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 arch/arm/stm32f7: use common Kconfig symbols 2026-08-18 09:34:58 +08:00
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 boards/qemu: enable line-buffered NTFC writes 2026-09-14 23:48:49 +08:00
imx9 net: move rx timestamp from d_rxtime to iob_s.io_time 2026-09-18 20:00:49 +08:00
imxrt arch/arm/imxrt: Add support for ARMV8M_DCACHE_LINESIZE in imxrt_usbdev.c 2026-10-01 23:31:49 +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-an500: Use the common ELF link flags. 2026-10-07 11:45:09 -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
n32h7/n32h762iil7 arch/arm/n32h7: Add N32H762IIL7 BSP 2026-09-17 09:39:41 -03:00
nrf52 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
nrf53 boards/thingy53: fix possible out of bound write for rgb 2026-09-25 10:46:24 +02:00
nrf91 boards/thingy91: add rgb led support 2026-09-24 09:59:04 +02:00
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 boards/arm/qemu-armv7a: switch all nsh defconfigs to nxinit entrypoint 2026-09-02 09:14:00 +08:00
ra4 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
ra8m1/ek-ra8m1 boards/arm/ra8m1/ek-ra8m1: Add SCI0 pins and a serial-test config 2026-10-06 16:56:58 -03:00
rp23xx arch/arm/rp23xx: Add RTC alarm support on the POWMAN always-on timer. 2026-10-07 16:22:56 -03:00
rp2040 boards/rp2040: switch waveshare nsh/usbnsh configs to nxinit entrypoint 2026-09-18 08:47:09 -03:00
rtl8720f/rtl8720f_evb arch/arm/rtl8720f: add timer driver support 2026-09-01 17:41:14 +08:00
rtl8721dx/pke8721daf arch/arm/rtl8721dx: add shared Ameba timer driver 2026-09-01 17:41:14 +08:00
rtl8721f/rtl8721f_evb arch/arm/rtl8721f: add timer driver support 2026-09-01 17:41:14 +08:00
rtl8730e/rtl8730e_evb arch/arm/rtl8730e: add UART character driver support 2026-09-24 21:24:35 +08:00
s32k1xx boards/arm/s32k1xx: CMake added NXP RDDRONE-BMS772 board 2026-10-05 18:42:56 +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, boards, cmake: Build C++ ELF modules without __cxa_atexit. 2026-09-04 15:44:24 -03:00
samd2l2 arch/arm: Reserve r10 via ARCHCFLAGS and hoist the PIC module flags. 2026-07-24 23:09:08 +08:00
samd5e5 boards: fix mtd_partition() argument units in flash partition loops 2026-09-01 09:14:34 +08:00
samv7 boards/arm/samv7/same70-qmtech: disable FAT LFN in mcuboot-loader 2026-09-11 10:55:25 -03:00
stm32c0 boards/stm32c0/nucleo-c071rb: Add usb-cdc config 2026-09-14 18:32:23 -03:00
stm32c5 boards/arm/stm32c5: Add nucleo-C562re support 2026-08-27 01:07:10 +08:00
stm32f0 boards/nucleo-f072rb: Add USB device support and a CDC/ACM configuration. 2026-08-20 15:16:33 -03:00
stm32f1 boards: fix mtd_partition() argument units in flash partition loops 2026-09-01 09:14:34 +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 boards: fix mtd_partition() argument units in flash partition loops 2026-09-01 09:14:34 +08:00
stm32f7 arch/arm/stm32f7: use common Kconfig symbols 2026-08-18 09:34:58 +08:00
stm32g0 boards/nucleo-g0b1re: Add USB device configurations 2026-08-25 01:03:58 +08:00
stm32g4 boards: stm32g4: regenerate nucleo-g431kb comp defconfig 2026-09-19 22:41:17 +08:00
stm32h5 arch/arm/stm32h5: map OTP, RO and EDATA flash non-cacheable. 2026-10-06 16:57:31 -03:00
stm32h7 boards/arm/stm32h7: add STM32H735G-DK support 2026-10-07 04:06:37 +02:00
stm32l0 boards/nucleo-l073rz: Add USB device support and a CDC/ACM configuration. 2026-08-22 01:23:12 +08:00
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/stm32l476vg-disco: Add CMakeLists.txt. 2026-09-28 06:43:27 -03:00
stm32l5 stm32l5: Fix nxstyle errors in drivers and board LEDs 2026-09-22 09:21:35 -03:00
stm32n6 boards/arm/stm32n6: add initial STM32N6570-DK support 2026-10-06 15:34:14 -03:00
stm32u0 boards/stm32u0: add stm32u083c-dk support 2026-08-18 15:00:15 +02:00
stm32u3 boards/arm/stm32u3: Add NUCLEO-U3C5ZI-Q support 2026-08-23 11:03:03 +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: Reach an NXFLAT module's read-only data through the GOT. 2026-09-27 11:25:12 -03:00
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