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Paul Doelle 1fc45d6483 watchdog: add pulse support to gpio watchdog driver 
A common external watchdog circuit is kept alive by triggering a short
pulse on the reset pin. This patch adds support for this use case, while
making the algorithm configurable in the devicetree.

The "linux,wdt-gpio" driver being modified is based off the equivalent
driver in the Linux kernel, which provides support for this algorithm.
This patch brings parity to this driver, and is kept aligned with
the functionality and devicetree configuration in the kernel.

It should be noted that this adds a required property named 'hw_algo'
to the devicetree binding, following suit with the kernel. I'm happy to
make this backward-compatible if preferred.

Signed-off-by: Paul Doelle <paaull.git@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
2022-07-21 08:09:06 +02:00
..
adc adc: meson-saradc: add AXG variant 2022-04-25 09:25:00 +02:00
ata ata: sata_sil: Remove useless BLK guard in sata_sil.h 2022-06-28 17:03:32 -04:00
axi WS cleanup: remove trailing empty lines 2021-09-30 08:08:56 -04:00
bios_emulator pci: Update dm_pci_bus_to_virt() parameters 2022-05-03 18:33:29 -04:00
block block: ide: Remove ide_preinit function 2022-06-28 17:03:32 -04:00
bootcount Convert CONFIG_SYS_BOOTCOUNT_LE et al to Kconfig 2022-07-07 14:01:09 -04:00
bus
button button: adc: set state to pressed when the voltage is closest to nominal 2022-02-11 09:00:47 -05:00
cache drivers: cache: ncore: Disable snoop filter 2022-06-17 16:27:05 +08:00
clk reset: sunxi: Reuse the platform data from the clock driver 2022-07-18 09:37:50 +01:00
core nman external-symbol improvements 2022-07-08 14:39:07 -04:00
cpu cpu: add CPU driver for microblaze 2022-06-24 14:16:00 +02:00
crypto crypto: nuvoton: Add NPCM7xx SHA driver 2022-06-22 21:30:05 -04:00
ddr Convert CONFIG_SYS_DDR_RAW_TIMING to Kconfig 2022-07-05 17:03:01 -04:00
demo demo: migrate uclass to livetree 2021-10-05 08:50:15 -04:00
dfu DFU: Check the number of arguments and argument string strictly 2022-02-11 11:29:23 -05:00
dma dma: ti: Add PSIL data for AM62x DMASS 2022-06-10 13:37:32 -04:00
fastboot fastboot: only look up real partition names when no alias exists 2022-01-28 11:30:39 -05:00
firmware spl: Ensure all SPL symbols in Kconfig have some SPL dependency 2022-07-07 09:29:08 -04:00
fpga Merge branch 'next' 2022-07-11 14:58:57 -04:00
fuzz sandbox: Implement fuzzing engine driver 2022-06-23 12:58:19 -04:00
gpio gpio: add support for MediaTek MT7621 SoC 2022-07-13 23:03:37 +02:00
hwspinlock treewide: invaild -> invalid 2022-01-13 07:57:49 -05:00
i2c i2c: avoid dynamic stack use in dm_i2c_write 2022-07-19 13:46:28 +02:00
input input: apple: Add support for Apple SPI keyboard 2022-02-10 16:44:23 -05:00
iommu iommu: Add M1 Pro/Max support to Apple DART driver 2022-02-21 08:35:40 -05:00
led led: pwm: Use NOP uclass driver for top-level node 2022-07-08 10:56:45 -04:00
mailbox mailbox: apple: Add driver for Apple IOP mailbox 2022-02-10 16:44:23 -05:00
memory keystone2: Move CONFIG_AEMIF_CNTRL_BASE out of CONFIG namespace 2021-09-27 21:38:34 -04:00
misc - Alignment with Linux kernel device tree v5.19 for stm32mp15 and stm32mp13 2022-07-13 08:09:20 -04:00
mmc mmc: mediatek: add support for MediaTek MT7621 SoC 2022-07-13 23:03:37 +02:00
mtd ubifs: Use U-Boot assert() from <log.h> in UBI/UBIFS code 2022-07-20 05:50:13 +02:00
mux treewide: invaild -> invalid 2022-01-13 07:57:49 -05:00
net net: sun8i-emac: Drop use of arch-specific header 2022-07-18 11:27:29 +01:00
nvme arm: apple: nvme: Add SART support and RTKit buffer management 2022-06-23 08:24:49 -04:00
pch treewide: Simply conditions with the new OF_REAL 2021-09-25 09:46:15 -06:00
pci Convert CONFIG_SYS_FSL_PCI_VER_3_X to Kconfig 2022-07-05 17:05:00 -04:00
pci_endpoint dm: define LOG_CATEGORY for all uclass 2021-07-06 10:38:03 -06:00
phy phy: sun4i-usb: Add D1 variant 2022-07-18 23:48:37 +01:00
pinctrl pinctrl: mtmips: add support for MediaTek MT7621 SoC 2022-07-13 23:03:37 +02:00
power Merge branch 'next' 2022-07-11 14:58:57 -04:00
pwm Rename CONFIG_PWM to CONFIG_PWM_S5P and move to Kconfig 2022-07-05 17:03:01 -04:00
qe configs: fsl: migrate FMAN/QE specific defines to Kconfig 2021-11-09 17:18:23 +05:30
ram tpl: Ensure all TPL symbols in Kconfig have some TPL dependency 2022-06-28 17:03:31 -04:00
reboot-mode reboot-mode: migrate uclass to livetree 2021-10-05 08:50:15 -04:00
remoteproc remoteproc: ipu: Add driver to bring up ipu 2022-02-08 11:00:03 -05:00
reset reset: sunxi: Reuse the platform data from the clock driver 2022-07-18 09:37:50 +01:00
rng rng: stm32mp1_rng: add conditional reset feature for STM32MP13x 2022-07-12 11:47:34 +02:00
rtc test: Load mac address using RTC 2022-06-08 14:00:22 -04:00
scsi scsi: call device_probe() after scanning 2022-04-09 21:06:31 +02:00
serial serial: ns16550: Wait in debug_uart_init until tx buffer is empty 2022-07-08 12:20:04 -04:00
smem dm: define LOG_CATEGORY for all uclass 2021-07-06 10:38:03 -06:00
soc soc: soc_ti_k3: identify j7200 SR2.0 SoCs 2022-07-06 14:30:51 -04:00
sound sound: enable building DA7219 driver with ACPIGEN=n 2022-07-08 09:05:47 -04:00
spi spi: sunxi: Add support for F1C100s SPI controller 2022-07-18 11:34:22 +01:00
spmi spmi: msm: add arbiter version 5 support 2021-10-31 08:46:44 -04:00
sysinfo sysinfo: rcar3: Add Renesas R-Car Gen3 sysinfo driver 2021-07-20 23:33:54 +02:00
sysreset sysreset: socfpga: Use parent device for reading base address 2022-07-01 14:57:14 +08:00
tee drivers:optee:rpmb: initialize drivers of mmc devices in UCLASS_BLK for rpmb access 2022-06-06 18:01:21 -04:00
thermal WS cleanup: remove SPACE(s) followed by TAB 2021-09-30 09:08:16 -04:00
timer Xilinx changes for v2022.10 2022-06-27 10:15:50 -04:00
tpm tpm: add support for TPMv2.x I2C chips 2022-05-23 16:33:58 +03:00
ufs lib: fix selection of CONFIG_CHARSET 2022-05-03 21:39:22 +02:00
usb musb: sunxi: Allow host-side USB with external VBUS 2022-07-15 14:10:39 +02:00
video Merge branch 'next' 2022-07-11 14:58:57 -04:00
virtio virtio: rng: Check length before copying 2022-06-08 09:24:04 -04:00
w1 arm: Remove zmx25 board and ARCH_MX25 2021-10-01 21:08:18 -04:00
w1-eeprom dm: define LOG_CATEGORY for all uclass 2021-07-06 10:38:03 -06:00
watchdog watchdog: add pulse support to gpio watchdog driver 2022-07-21 08:09:06 +02:00
xen WS cleanup: remove trailing empty lines 2021-09-30 08:08:56 -04:00
Kconfig fuzzing_engine: Add fuzzing engine uclass 2022-06-23 12:58:18 -04:00
Makefile fuzzing_engine: Add fuzzing engine uclass 2022-06-23 12:58:18 -04:00