drivers/watchdog/mt7621_wdt.c

1 // SPDX-License-Identifier: GPL-2.0+
3  * Ralink / Mediatek RT288x/RT3xxx/MT76xx built-in hardware watchdog timer
14 #include <wdt.h>
33 	writel(TMR1CTL_RESTART, priv->regs + TIMER_REG_TMRSTAT);  in mt762x_wdt_ping()
43 	writel(1000 << TMR1CTL_PRESCALE_SHIFT, priv->regs + TIMER_REG_TMR1CTL);  in mt762x_wdt_start()
44 	writel(ms, priv->regs + TIMER_REG_TMR1LOAD);  in mt762x_wdt_start()
46 	setbits_le32(priv->regs + TIMER_REG_TMR1CTL, TMR1CTL_ENABLE);  in mt762x_wdt_start()
57 	clrbits_le32(priv->regs + TIMER_REG_TMR1CTL, TMR1CTL_ENABLE);  in mt762x_wdt_stop()
75 	priv->regs = dev_remap_addr(dev);  in mt762x_wdt_probe()
76 	if (!priv->regs)  in mt762x_wdt_probe()
77 		return -EINVAL;  in mt762x_wdt_probe()
91 	{ .compatible = "mediatek,mt7621-wdt" },