drivers/watchdog/Kconfig

   1 menu "Watchdog Timer Support"
   2
   3 config WATCHDOG
   4         bool "Enable U-Boot watchdog reset"
   5         depends on !HW_WATCHDOG
   6         help
   7           This option enables U-Boot watchdog support where U-Boot is using
   8           watchdog_reset function to service watchdog device in U-Boot. Enable
   9           this option if you want to service enabled watchdog by U-Boot. Disable
  10           this option if you want U-Boot to start watchdog but never service it.
  11
  12 config WATCHDOG_AUTOSTART
  13         bool "Automatically start watchdog timer"
  14         depends on WDT
  15         default n if ARCH_SUNXI
  16         default y
  17         help
  18           Automatically start watchdog timer and start servicing it during
  19           init phase. Enabled by default. Disable this option if you want
  20           to compile U-Boot with CONFIG_WDT support but do not want to
  21           activate watchdog, like when CONFIG_WDT option is disabled. You
  22           would be able to start watchdog manually by 'wdt' command. Useful
  23           when you want to have support for 'wdt' command but do not want
  24           to have watchdog enabled by default.
  25
  26 config WATCHDOG_TIMEOUT_MSECS
  27         int "Watchdog timeout in msec"
  28         default 128000 if ARCH_MX31 || ARCH_MX5 || ARCH_MX6
  29         default 128000 if ARCH_MX7 || ARCH_VF610
  30         default 30000 if ARCH_SOCFPGA
  31         default 16000 if ARCH_SUNXI
  32         default 60000
  33         help
  34           Watchdog timeout in msec
  35
  36 config HW_WATCHDOG
  37         bool
  38
  39 config IMX_WATCHDOG
  40         bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP"
  41         select HW_WATCHDOG if !WDT
  42         help
  43           Select this to enable the IMX and LSCH2 of Layerscape watchdog
  44           driver.
  45
  46 config WATCHDOG_RESET_DISABLE
  47         bool "Disable reset watchdog"
  48         depends on IMX_WATCHDOG
  49         help
  50           Disable reset watchdog, which can let WATCHDOG_RESET invalid, so
  51           that the watchdog will not be fed in u-boot.
  52
  53 config OMAP_WATCHDOG
  54         bool "TI OMAP watchdog driver"
  55         depends on ARCH_OMAP2PLUS
  56         select HW_WATCHDOG
  57         help
  58           Say Y here to enable the OMAP3+ watchdog driver.
  59
  60 config ULP_WATCHDOG
  61         bool "i.MX7ULP watchdog"
  62         help
  63           Say Y here to enable i.MX7ULP watchdog driver.
  64
  65 config DESIGNWARE_WATCHDOG
  66         bool "Designware watchdog timer support"
  67         select HW_WATCHDOG if !WDT
  68         default y if WDT && ROCKCHIP_RK3399
  69         help
  70           Enable this to support Designware Watchdog Timer IP, present e.g.
  71           on Altera SoCFPGA SoCs.
  72
  73 config WDT
  74         bool "Enable driver model for watchdog timer drivers"
  75         depends on DM
  76         imply WATCHDOG
  77         help
  78           Enable driver model for watchdog timer. At the moment the API
  79           is very simple and only supports four operations:
  80           start, stop, reset and expire_now (expire immediately).
  81           What exactly happens when the timer expires is up to a particular
  82           device/driver.
  83
  84 config WDT_APPLE
  85         bool "Apple watchdog timer support"
  86         depends on WDT
  87         default y if ARCH_APPLE
  88         help
  89           Enable support for the watchdog timer on Apple SoCs.
  90           The watchdog will perform a full SoC reset resulting in a
  91           reboot of the entire system.
  92
  93 config WDT_ARMADA_37XX
  94         bool "Marvell Armada 37xx watchdog timer support"
  95         depends on WDT && ARMADA_3700
  96         help
  97           Enable this to support Watchdog Timer on Marvell Armada 37xx SoC.
  98           There are 4 possible clocks which can be used on these SoCs. This
  99           driver uses the second clock (ID 1), assuming that so will also
 100           Linux's driver.
 101
 102 config WDT_ASPEED
 103         bool "Aspeed ast2400/ast2500 watchdog timer support"
 104         depends on WDT
 105         default y if ARCH_ASPEED
 106         help
 107           Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
 108           The watchdog timer is stopped when initialized. It performs reset, either
 109           full SoC reset or CPU or just some peripherals, based on the flags.
 110           It currently does not support Boot Flash Addressing Mode Detection or
 111           Second Boot.
 112
 113 config WDT_AST2600
 114         bool "Aspeed AST2600 watchdog timer support"
 115         depends on WDT
 116         default y if ASPEED_AST2600
 117         help
 118           Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
 119           The watchdog timer is stopped when initialized. It performs reset, either
 120           full SoC reset or CPU or just some peripherals, based on the flags.
 121
 122 config WDT_AT91
 123         bool "AT91 watchdog timer support"
 124         depends on WDT
 125         help
 126           Select this to enable Microchip watchdog timer, which can be found on
 127           some AT91 devices.
 128
 129 config WDT_BCM6345
 130         bool "BCM6345 watchdog timer support"
 131         depends on WDT && (ARCH_BMIPS || ARCH_BCM68360 || \
 132                            ARCH_BCM6858 || ARCH_BCM63158 || \
 133                            ARCH_BCM6753)
 134         help
 135           Select this to enable watchdog timer for BCM6345 SoCs.
 136           The watchdog timer is stopped when initialized.
 137           It performs full SoC reset.
 138
 139 config WDT_BOOKE
 140         bool "PowerPC Book-E watchdog driver"
 141         depends on WDT && MPC85xx
 142         help
 143           Watchdog driver for PowerPC Book-E chips, such as the Freescale
 144           MPC85xx SOCs and the IBM PowerPC 440.
 145
 146 config WDT_CDNS
 147         bool "Cadence watchdog timer support"
 148         depends on WDT
 149         imply WATCHDOG
 150         help
 151           Select this to enable Cadence watchdog timer, which can be found on some
 152           Xilinx Microzed Platform.
 153
 154 config WDT_CORTINA
 155         bool "Cortina Access CAxxxx watchdog timer support"
 156         depends on WDT
 157         help
 158           Cortina Access CAxxxx watchdog timer support.
 159           This driver support all CPU ISAs supported by Cortina
 160           Access CAxxxx SoCs.
 161
 162 config WDT_GPIO
 163         bool "External gpio watchdog support"
 164         depends on WDT
 165         depends on DM_GPIO
 166         help
 167           Support for external watchdog fed by toggling a gpio. See
 168           doc/device-tree-bindings/watchdog/gpio-wdt.txt for
 169           information on how to describe the watchdog in device tree.
 170
 171 config WDT_MPC8xx
 172         bool "MPC8xx watchdog timer support"
 173         depends on WDT && MPC8xx
 174         select HW_WATCHDOG
 175         help
 176           Select this to enable mpc8xx watchdog timer
 177
 178 config WDT_MT7620
 179         bool "MediaTek MT7620 watchdog timer support"
 180         depends on WDT && SOC_MT7620
 181         help
 182           Select this to enable watchdog timer on MediaTek MT7620 and earlier
 183           SoC chips.
 184
 185 config WDT_MT7621
 186         bool "MediaTek MT7621 watchdog timer support"
 187         depends on WDT && SOC_MT7628
 188         help
 189           Select this to enable Ralink / Mediatek watchdog timer,
 190           which can be found on some MediaTek chips.
 191
 192 config WDT_MTK
 193         bool "MediaTek watchdog timer support"
 194         depends on WDT && ARCH_MEDIATEK
 195         help
 196           Select this to enable watchdog timer for MediaTek SoCs.
 197           The watchdog timer is stopped when initialized.
 198           It performs full SoC reset.
 199
 200 config WDT_OCTEONTX
 201         bool "OcteonTX core watchdog support"
 202         depends on WDT && (ARCH_OCTEONTX || ARCH_OCTEONTX2)
 203         default y
 204         imply WATCHDOG
 205         help
 206           This enables OcteonTX watchdog driver, which can be
 207           found on OcteonTX/TX2 chipsets and inline with driver model.
 208           Only supports watchdog reset.
 209
 210 config WDT_OMAP3
 211         bool "TI OMAP watchdog timer support"
 212         depends on WDT && ARCH_OMAP2PLUS
 213         default y if AM33XX
 214         help
 215           This enables OMAP3+ watchdog timer driver, which can be
 216           found on some TI chipsets and inline with driver model.
 217
 218 config WDT_ORION
 219         bool "Orion watchdog timer support"
 220         depends on WDT
 221         select CLK
 222         help
 223           Select this to enable Orion watchdog timer, which can be found on some
 224           Marvell Armada chips.
 225
 226 config WDT_K3_RTI
 227         bool "Texas Instruments K3 RTI watchdog"
 228         depends on WDT && ARCH_K3
 229         help
 230           Say Y here if you want to include support for the K3 watchdog
 231           timer (RTI module) available in the K3 generation of processors.
 232
 233 if WDT_K3_RTI
 234
 235 config WDT_K3_RTI_LOAD_FW
 236         bool "Load watchdog firmware"
 237         depends on REMOTEPROC
 238         help
 239           Automatically load the specified firmware image into the MCU R5F
 240           core 0. On the AM65x, this firmware is supposed to handle the expiry
 241           of the watchdog timer, typically by resetting the system.
 242
 243 config WDT_K3_RTI_FW_FILE
 244         string "Watchdog firmware image file"
 245         default "k3-rti-wdt.fw"
 246         depends on WDT_K3_RTI_LOAD_FW
 247         help
 248           Firmware image to be embedded into U-Boot and loaded on watchdog
 249           start.
 250
 251 endif
 252
 253 config WDT_SANDBOX
 254         bool "Enable Watchdog Timer support for Sandbox"
 255         depends on SANDBOX && WDT
 256         help
 257           Enable Watchdog Timer support in Sandbox. This is a dummy device that
 258           can be probed and supports all of the methods of WDT, but does not
 259           really do anything.
 260
 261 config WDT_SBSA
 262         bool "SBSA watchdog timer support"
 263         depends on WDT
 264         help
 265            Select this to enable SBSA watchdog timer.
 266            This driver can operate ARM SBSA Generic Watchdog as a single stage.
 267            In the single stage mode, when the timeout is reached, your system
 268            will be reset by WS1. The first signal (WS0) is ignored.
 269
 270 config WDT_SL28CPLD
 271         bool "sl28cpld watchdog timer support"
 272         depends on WDT && SL28CPLD
 273         help
 274           Enable support for the watchdog timer in the Kontron sl28cpld
 275           management controller.
 276
 277 config WDT_SP805
 278         bool "SP805 watchdog timer support"
 279         depends on WDT
 280         help
 281           Select this to enable SP805 watchdog timer, which can be found on some
 282           nxp layerscape chips.
 283
 284 config WDT_STM32MP
 285         bool "IWDG watchdog driver for STM32 MP's family"
 286         depends on WDT
 287         imply WATCHDOG
 288         help
 289           Enable the STM32 watchdog (IWDG) driver. Enable support to
 290           configure STM32's on-SoC watchdog.
 291
 292 config WDT_SUNXI
 293         bool "Allwinner sunxi watchdog timer support"
 294         depends on WDT && ARCH_SUNXI
 295         default y
 296         help
 297           Enable support for the watchdog timer in Allwinner sunxi SoCs.
 298
 299 config XILINX_TB_WATCHDOG
 300         bool "Xilinx Axi watchdog timer support"
 301         depends on WDT
 302         imply WATCHDOG
 303         help
 304           Select this to enable Xilinx Axi watchdog timer, which can be found on some
 305           Xilinx Microblaze Platforms.
 306
 307 config WDT_XILINX
 308         bool "Xilinx window watchdog timer support"
 309         depends on WDT && ARCH_VERSAL
 310         select REGMAP
 311         imply WATCHDOG
 312         help
 313           Select this to enable Xilinx window watchdog timer, which can be found on
 314           Xilinx Versal Platforms.
 315
 316 config WDT_TANGIER
 317         bool "Intel Tangier watchdog timer support"
 318         depends on WDT && INTEL_MID
 319         help
 320           This enables support for watchdog controller available on
 321           Intel Tangier SoC. If you're using a board with Intel Tangier
 322           SoC, say Y here.
 323
 324 config SPL_WDT
 325         bool "Enable driver model for watchdog timer drivers in SPL"
 326         depends on SPL_DM
 327         help
 328           Enable driver model for watchdog timer in SPL.
 329           This is similar to CONFIG_WDT in U-Boot.
 330
 331 endmenu