diff options
| -rw-r--r-- | Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml | 50 | ||||
| -rw-r--r-- | MAINTAINERS | 2 | ||||
| -rw-r--r-- | drivers/watchdog/Kconfig | 18 | ||||
| -rw-r--r-- | drivers/watchdog/Makefile | 1 | ||||
| -rw-r--r-- | drivers/watchdog/ep93xx_wdt.c | 5 | ||||
| -rw-r--r-- | drivers/watchdog/ibmasr.c | 3 | ||||
| -rw-r--r-- | drivers/watchdog/loongson1_wdt.c | 13 | ||||
| -rw-r--r-- | drivers/watchdog/m54xx_wdt.c | 4 | ||||
| -rw-r--r-- | drivers/watchdog/max63xx_wdt.c | 5 | ||||
| -rw-r--r-- | drivers/watchdog/moxart_wdt.c | 4 | ||||
| -rw-r--r-- | drivers/watchdog/octeon-wdt-nmi.S | 5 | ||||
| -rw-r--r-- | drivers/watchdog/orion_wdt.c | 4 | ||||
| -rw-r--r-- | drivers/watchdog/rtd119x_wdt.c | 2 | ||||
| -rw-r--r-- | drivers/watchdog/sbc_fitpc2_wdt.c | 4 | ||||
| -rw-r--r-- | drivers/watchdog/sp5100_tco.c | 4 | ||||
| -rw-r--r-- | drivers/watchdog/ts4800_wdt.c | 4 | ||||
| -rw-r--r-- | drivers/watchdog/ts72xx_wdt.c | 4 | ||||
| -rw-r--r-- | drivers/watchdog/xilinx_wwdt.c | 201 | ||||
| -rw-r--r-- | drivers/watchdog/ziirave_wdt.c | 2 |
19 files changed, 299 insertions, 36 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml b/Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml new file mode 100644 index 000000000000..14b069599740 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/xlnx,versal-wwdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Versal window watchdog timer controller + +maintainers: + - Neeli Srinivas <srinivas.neeli@amd.com> + +description: + Versal watchdog intellectual property uses window watchdog mode. + Window watchdog timer(WWDT) contains closed(first) and open(second) + window with 32 bit width. Write to the watchdog timer within + predefined window periods of time. This means a period that is not + too soon and a period that is not too late. The WWDT has to be + restarted within the open window time. If software tries to restart + WWDT outside of the open window time period, it generates a reset. + +allOf: + - $ref: watchdog.yaml# + +properties: + compatible: + enum: + - xlnx,versal-wwdt + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - clocks + +unevaluatedProperties: false + +examples: + - | + watchdog@fd4d0000 { + compatible = "xlnx,versal-wwdt"; + reg = <0xfd4d0000 0x10000>; + clocks = <&clock25>; + timeout-sec = <30>; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 99f18f6e8bc6..d204ff5eecde 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -23460,8 +23460,10 @@ M: Srinivas Neeli <srinivas.neeli@amd.com> R: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com> R: Michal Simek <michal.simek@amd.com> S: Maintained +F: Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml F: Documentation/devicetree/bindings/watchdog/xlnx,xps-timebase-wdt.yaml F: drivers/watchdog/of_xilinx_wdt.c +F: drivers/watchdog/xilinx_wwdt.c XILINX XDMA DRIVER M: Lizhi Hou <lizhi.hou@amd.com> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index f22138709bf5..ee97d89dfc11 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -304,6 +304,24 @@ config XILINX_WATCHDOG To compile this driver as a module, choose M here: the module will be called of_xilinx_wdt. +config XILINX_WINDOW_WATCHDOG + tristate "Xilinx window watchdog timer" + depends on HAS_IOMEM + depends on ARM64 + select WATCHDOG_CORE + help + Window watchdog driver for the versal_wwdt IP core. + Window watchdog timer(WWDT) contains closed(first) and + open(second) window with 32 bit width. Write to the watchdog + timer within predefined window periods of time. This means + a period that is not too soon and a period that is not too + late. The WWDT has to be restarted within the open window time. + If software tries to restart WWDT outside of the open window + time period, it generates a reset. + + To compile this driver as a module, choose M here: the + module will be called xilinx_wwdt. + config ZIIRAVE_WATCHDOG tristate "Zodiac RAVE Watchdog Timer" depends on I2C diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index b4c4ccf2d703..3633f5b98236 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -157,6 +157,7 @@ obj-$(CONFIG_M54xx_WATCHDOG) += m54xx_wdt.o # MicroBlaze Architecture obj-$(CONFIG_XILINX_WATCHDOG) += of_xilinx_wdt.o +obj-$(CONFIG_XILINX_WINDOW_WATCHDOG) += xilinx_wwdt.o # MIPS Architecture obj-$(CONFIG_ATH79_WDT) += ath79_wdt.o diff --git a/drivers/watchdog/ep93xx_wdt.c b/drivers/watchdog/ep93xx_wdt.c index 38e26f160b9a..59dfd7f6bf0b 100644 --- a/drivers/watchdog/ep93xx_wdt.c +++ b/drivers/watchdog/ep93xx_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Watchdog driver for Cirrus Logic EP93xx family of devices. * @@ -11,10 +12,6 @@ * Copyright (c) 2012 H Hartley Sweeten <hsweeten@visionengravers.com> * Convert to a platform device and use the watchdog framework API * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - * * This watchdog fires after 250msec, which is a too short interval * for us to rely on the user space daemon alone. So we ping the * wdt each ~200msec and eventually stop doing it if the user space diff --git a/drivers/watchdog/ibmasr.c b/drivers/watchdog/ibmasr.c index 4a22fe152086..6955c693b5fd 100644 --- a/drivers/watchdog/ibmasr.c +++ b/drivers/watchdog/ibmasr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * IBM Automatic Server Restart driver. * @@ -6,8 +7,6 @@ * Based on driver written by Pete Reynolds. * Copyright (c) IBM Corporation, 1998-2004. * - * This software may be used and distributed according to the terms - * of the GNU Public License, incorporated herein by reference. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/watchdog/loongson1_wdt.c b/drivers/watchdog/loongson1_wdt.c index 3c651c50a98c..4ac7810a314d 100644 --- a/drivers/watchdog/loongson1_wdt.c +++ b/drivers/watchdog/loongson1_wdt.c @@ -5,6 +5,7 @@ #include <linux/clk.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/watchdog.h> @@ -112,7 +113,7 @@ static int ls1x_wdt_probe(struct platform_device *pdev) if (IS_ERR(drvdata->base)) return PTR_ERR(drvdata->base); - drvdata->clk = devm_clk_get_enabled(dev, pdev->name); + drvdata->clk = devm_clk_get_enabled(dev, NULL); if (IS_ERR(drvdata->clk)) return PTR_ERR(drvdata->clk); @@ -144,10 +145,20 @@ static int ls1x_wdt_probe(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id ls1x_wdt_dt_ids[] = { + { .compatible = "loongson,ls1b-wdt", }, + { .compatible = "loongson,ls1c-wdt", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, ls1x_wdt_dt_ids); +#endif + static struct platform_driver ls1x_wdt_driver = { .probe = ls1x_wdt_probe, .driver = { .name = "ls1x-wdt", + .of_match_table = of_match_ptr(ls1x_wdt_dt_ids), }, }; diff --git a/drivers/watchdog/m54xx_wdt.c b/drivers/watchdog/m54xx_wdt.c index f388a769dbd3..062ea3e6497e 100644 --- a/drivers/watchdog/m54xx_wdt.c +++ b/drivers/watchdog/m54xx_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * drivers/watchdog/m54xx_wdt.c * @@ -11,9 +12,6 @@ * Copyright 2004 (c) MontaVista, Software, Inc. * Based on sa1100 driver, Copyright (C) 2000 Oleg Drokin <green@crimea.edu> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/watchdog/max63xx_wdt.c b/drivers/watchdog/max63xx_wdt.c index 9e1541cfae0d..21935f9620e4 100644 --- a/drivers/watchdog/max63xx_wdt.c +++ b/drivers/watchdog/max63xx_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * drivers/char/watchdog/max63xx_wdt.c * @@ -5,10 +6,6 @@ * * Copyright (C) 2009 Marc Zyngier <maz@misterjones.org> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - * * This driver assumes the watchdog pins are memory mapped (as it is * the case for the Arcom Zeus). Should it be connected over GPIOs or * another interface, some abstraction will have to be introduced. diff --git a/drivers/watchdog/moxart_wdt.c b/drivers/watchdog/moxart_wdt.c index 6340a1f5f471..b7b1da3c932d 100644 --- a/drivers/watchdog/moxart_wdt.c +++ b/drivers/watchdog/moxart_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * MOXA ART SoCs watchdog driver. * @@ -5,9 +6,6 @@ * * Jonas Jensen <jonas.jensen@gmail.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/clk.h> diff --git a/drivers/watchdog/octeon-wdt-nmi.S b/drivers/watchdog/octeon-wdt-nmi.S index 97f6eb7b5a8e..e308cc743920 100644 --- a/drivers/watchdog/octeon-wdt-nmi.S +++ b/drivers/watchdog/octeon-wdt-nmi.S @@ -1,8 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * * Copyright (C) 2007-2017 Cavium, Inc. */ #include <asm/asm.h> diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index 5ec2dd8fd5fa..1fe583e8a95b 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * drivers/watchdog/orion_wdt.c * @@ -5,9 +6,6 @@ * * Author: Sylver Bruneau <sylver.bruneau@googlemail.com> * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/watchdog/rtd119x_wdt.c b/drivers/watchdog/rtd119x_wdt.c index 95c8d7abce42..984905695dde 100644 --- a/drivers/watchdog/rtd119x_wdt.c +++ b/drivers/watchdog/rtd119x_wdt.c @@ -1,9 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Realtek RTD129x watchdog * * Copyright (c) 2017 Andreas Färber * - * SPDX-License-Identifier: GPL-2.0+ */ #include <linux/bitops.h> diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c index 13db71e16583..b8eb8d5ca1af 100644 --- a/drivers/watchdog/sbc_fitpc2_wdt.c +++ b/drivers/watchdog/sbc_fitpc2_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Watchdog driver for SBC-FITPC2 board * @@ -5,9 +6,6 @@ * * Adapted from the IXP2000 watchdog driver by Deepak Saxena. * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #define pr_fmt(fmt) KBUILD_MODNAME " WATCHDOG: " fmt diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c index 14f8d8d90920..2bd3dc25cb03 100644 --- a/drivers/watchdog/sp5100_tco.c +++ b/drivers/watchdog/sp5100_tco.c @@ -96,7 +96,7 @@ static enum tco_reg_layout tco_reg_layout(struct pci_dev *dev) sp5100_tco_pci->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS && sp5100_tco_pci->revision >= AMD_ZEN_SMBUS_PCI_REV) { return efch_mmio; - } else if (dev->vendor == PCI_VENDOR_ID_AMD && + } else if ((dev->vendor == PCI_VENDOR_ID_AMD || dev->vendor == PCI_VENDOR_ID_HYGON) && ((dev->device == PCI_DEVICE_ID_AMD_HUDSON2_SMBUS && dev->revision >= 0x41) || (dev->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS && @@ -579,6 +579,8 @@ static const struct pci_device_id sp5100_tco_pci_tbl[] = { PCI_ANY_ID, }, { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_KERNCZ_SMBUS, PCI_ANY_ID, PCI_ANY_ID, }, + { PCI_VENDOR_ID_HYGON, PCI_DEVICE_ID_AMD_KERNCZ_SMBUS, PCI_ANY_ID, + PCI_ANY_ID, }, { 0, }, /* End of list */ }; MODULE_DEVICE_TABLE(pci, sp5100_tco_pci_tbl); diff --git a/drivers/watchdog/ts4800_wdt.c b/drivers/watchdog/ts4800_wdt.c index 0ea554c7cda5..0099403f4992 100644 --- a/drivers/watchdog/ts4800_wdt.c +++ b/drivers/watchdog/ts4800_wdt.c @@ -1,11 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Watchdog driver for TS-4800 based boards * * Copyright (c) 2015 - Savoir-faire Linux * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/watchdog/ts72xx_wdt.c b/drivers/watchdog/ts72xx_wdt.c index bf918f5fa131..3d57670befe1 100644 --- a/drivers/watchdog/ts72xx_wdt.c +++ b/drivers/watchdog/ts72xx_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Watchdog driver for Technologic Systems TS-72xx based SBCs * (TS-7200, TS-7250 and TS-7260). These boards have external @@ -8,9 +9,6 @@ * * This driver is based on ep93xx_wdt and wm831x_wdt drivers. * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/platform_device.h> diff --git a/drivers/watchdog/xilinx_wwdt.c b/drivers/watchdog/xilinx_wwdt.c new file mode 100644 index 000000000000..2585038d5575 --- /dev/null +++ b/drivers/watchdog/xilinx_wwdt.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Window watchdog device driver for Xilinx Versal WWDT + * + * Copyright (C) 2022 - 2023, Advanced Micro Devices, Inc. + */ + +#include <linux/clk.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/of_address.h> +#include <linux/watchdog.h> + +/* Max timeout is calculated at 100MHz source clock */ +#define XWWDT_DEFAULT_TIMEOUT 42 +#define XWWDT_MIN_TIMEOUT 1 + +/* Register offsets for the WWDT device */ +#define XWWDT_MWR_OFFSET 0x00 +#define XWWDT_ESR_OFFSET 0x04 +#define XWWDT_FCR_OFFSET 0x08 +#define XWWDT_FWR_OFFSET 0x0c +#define XWWDT_SWR_OFFSET 0x10 + +/* Master Write Control Register Masks */ +#define XWWDT_MWR_MASK BIT(0) + +/* Enable and Status Register Masks */ +#define XWWDT_ESR_WINT_MASK BIT(16) +#define XWWDT_ESR_WSW_MASK BIT(8) +#define XWWDT_ESR_WEN_MASK BIT(0) + +#define XWWDT_CLOSE_WINDOW_PERCENT 50 + +static int wwdt_timeout; +static int closed_window_percent; + +module_param(wwdt_timeout, int, 0); +MODULE_PARM_DESC(wwdt_timeout, + "Watchdog time in seconds. (default=" + __MODULE_STRING(XWWDT_DEFAULT_TIMEOUT) ")"); +module_param(closed_window_percent, int, 0); +MODULE_PARM_DESC(closed_window_percent, + "Watchdog closed window percentage. (default=" + __MODULE_STRING(XWWDT_CLOSE_WINDOW_PERCENT) ")"); +/** + * struct xwwdt_device - Watchdog device structure + * @base: base io address of WDT device + * @spinlock: spinlock for IO register access + * @xilinx_wwdt_wdd: watchdog device structure + * @freq: source clock frequency of WWDT + * @close_percent: Closed window percent + */ +struct xwwdt_device { + void __iomem *base; + spinlock_t spinlock; /* spinlock for register handling */ + struct watchdog_device xilinx_wwdt_wdd; + unsigned long freq; + u32 close_percent; +}; + +static int xilinx_wwdt_start(struct watchdog_device *wdd) +{ + struct xwwdt_device *xdev = watchdog_get_drvdata(wdd); + struct watchdog_device *xilinx_wwdt_wdd = &xdev->xilinx_wwdt_wdd; + u64 time_out, closed_timeout, open_timeout; + u32 control_status_reg; + + /* Calculate timeout count */ + time_out = xdev->freq * wdd->timeout; + closed_timeout = (time_out * xdev->close_percent) / 100; + open_timeout = time_out - closed_timeout; + wdd->min_hw_heartbeat_ms = xdev->close_percent * 10 * wdd->timeout; + + spin_lock(&xdev->spinlock); + + iowrite32(XWWDT_MWR_MASK, xdev->base + XWWDT_MWR_OFFSET); + iowrite32(~(u32)XWWDT_ESR_WEN_MASK, xdev->base + XWWDT_ESR_OFFSET); + iowrite32((u32)closed_timeout, xdev->base + XWWDT_FWR_OFFSET); + iowrite32((u32)open_timeout, xdev->base + XWWDT_SWR_OFFSET); + + /* Enable the window watchdog timer */ + control_status_reg = ioread32(xdev->base + XWWDT_ESR_OFFSET); + control_status_reg |= XWWDT_ESR_WEN_MASK; + iowrite32(control_status_reg, xdev->base + XWWDT_ESR_OFFSET); + + spin_unlock(&xdev->spinlock); + + dev_dbg(xilinx_wwdt_wdd->parent, "Watchdog Started!\n"); + + return 0; +} + +static int xilinx_wwdt_keepalive(struct watchdog_device *wdd) +{ + struct xwwdt_device *xdev = watchdog_get_drvdata(wdd); + u32 control_status_reg; + + spin_lock(&xdev->spinlock); + + /* Enable write access control bit for the window watchdog */ + iowrite32(XWWDT_MWR_MASK, xdev->base + XWWDT_MWR_OFFSET); + + /* Trigger restart kick to watchdog */ + control_status_reg = ioread32(xdev->base + XWWDT_ESR_OFFSET); + control_status_reg |= XWWDT_ESR_WSW_MASK; + iowrite32(control_status_reg, xdev->base + XWWDT_ESR_OFFSET); + + spin_unlock(&xdev->spinlock); + + return 0; +} + +static const struct watchdog_info xilinx_wwdt_ident = { + .options = WDIOF_KEEPALIVEPING | + WDIOF_SETTIMEOUT, + .firmware_version = 1, + .identity = "xlnx_window watchdog", +}; + +static const struct watchdog_ops xilinx_wwdt_ops = { + .owner = THIS_MODULE, + .start = xilinx_wwdt_start, + .ping = xilinx_wwdt_keepalive, +}; + +static int xwwdt_probe(struct platform_device *pdev) +{ + struct watchdog_device *xilinx_wwdt_wdd; + struct device *dev = &pdev->dev; + struct xwwdt_device *xdev; + struct clk *clk; + int ret; + + xdev = devm_kzalloc(dev, sizeof(*xdev), GFP_KERNEL); + if (!xdev) + return -ENOMEM; + + xilinx_wwdt_wdd = &xdev->xilinx_wwdt_wdd; + xilinx_wwdt_wdd->info = &xilinx_wwdt_ident; + xilinx_wwdt_wdd->ops = &xilinx_wwdt_ops; + xilinx_wwdt_wdd->parent = dev; + + xdev->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(xdev->base)) + return PTR_ERR(xdev->base); + + clk = devm_clk_get_enabled(dev, NULL); + if (IS_ERR(clk)) + return PTR_ERR(clk); + + xdev->freq = clk_get_rate(clk); + if (!xdev->freq) + return -EINVAL; + + xilinx_wwdt_wdd->min_timeout = XWWDT_MIN_TIMEOUT; + xilinx_wwdt_wdd->timeout = XWWDT_DEFAULT_TIMEOUT; + xilinx_wwdt_wdd->max_hw_heartbeat_ms = 1000 * xilinx_wwdt_wdd->timeout; + + if (closed_window_percent == 0 || closed_window_percent >= 100) + xdev->close_percent = XWWDT_CLOSE_WINDOW_PERCENT; + else + xdev->close_percent = closed_window_percent; + + watchdog_init_timeout(xilinx_wwdt_wdd, wwdt_timeout, &pdev->dev); + spin_lock_init(&xdev->spinlock); + watchdog_set_drvdata(xilinx_wwdt_wdd, xdev); + watchdog_set_nowayout(xilinx_wwdt_wdd, 1); + + ret = devm_watchdog_register_device(dev, xilinx_wwdt_wdd); + if (ret) + return ret; + + dev_info(dev, "Xilinx window watchdog Timer with timeout %ds\n", + xilinx_wwdt_wdd->timeout); + + return 0; +} + +static const struct of_device_id xwwdt_of_match[] = { + { .compatible = "xlnx,versal-wwdt", }, + {}, +}; +MODULE_DEVICE_TABLE(of, xwwdt_of_match); + +static struct platform_driver xwwdt_driver = { + .probe = xwwdt_probe, + .driver = { + .name = "Xilinx window watchdog", + .of_match_table = xwwdt_of_match, + }, +}; + +module_platform_driver(xwwdt_driver); + +MODULE_AUTHOR("Neeli Srinivas <srinivas.neeli@amd.com>"); +MODULE_DESCRIPTION("Xilinx window watchdog driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/watchdog/ziirave_wdt.c b/drivers/watchdog/ziirave_wdt.c index 21ca08a694ee..5ed33df68e9a 100644 --- a/drivers/watchdog/ziirave_wdt.c +++ b/drivers/watchdog/ziirave_wdt.c @@ -731,7 +731,7 @@ static struct i2c_driver ziirave_wdt_driver = { .name = "ziirave_wdt", .of_match_table = zrv_wdt_of_match, }, - .probe_new = ziirave_wdt_probe, + .probe = ziirave_wdt_probe, .remove = ziirave_wdt_remove, .id_table = ziirave_wdt_id, }; |