// SPDX-License-Identifier: GPL-2.0+ /* * RDA8810PL SoC timer driver * * Copyright RDA Microelectronics Company Limited * Copyright (c) 2017 Andreas Färber * Copyright (c) 2018 Manivannan Sadhasivam * * RDA8810PL has two independent timers: OSTIMER (56 bit) and HWTIMER (64 bit). * Each timer provides optional interrupt support. In this driver, OSTIMER is * used for clockevents and HWTIMER is used for clocksource. */ #include <linux/init.h> #include <linux/interrupt.h> #include "timer-of.h" #define RDA_OSTIMER_LOADVAL_L … #define RDA_OSTIMER_CTRL … #define RDA_HWTIMER_LOCKVAL_L … #define RDA_HWTIMER_LOCKVAL_H … #define RDA_TIMER_IRQ_MASK_SET … #define RDA_TIMER_IRQ_MASK_CLR … #define RDA_TIMER_IRQ_CLR … #define RDA_OSTIMER_CTRL_ENABLE … #define RDA_OSTIMER_CTRL_REPEAT … #define RDA_OSTIMER_CTRL_LOAD … #define RDA_TIMER_IRQ_MASK_OSTIMER … #define RDA_TIMER_IRQ_CLR_OSTIMER … static int rda_ostimer_start(void __iomem *base, bool periodic, u64 cycles) { … } static int rda_ostimer_stop(void __iomem *base) { … } static int rda_ostimer_set_state_shutdown(struct clock_event_device *evt) { … } static int rda_ostimer_set_state_oneshot(struct clock_event_device *evt) { … } static int rda_ostimer_set_state_periodic(struct clock_event_device *evt) { … } static int rda_ostimer_tick_resume(struct clock_event_device *evt) { … } static int rda_ostimer_set_next_event(unsigned long evt, struct clock_event_device *ev) { … } static irqreturn_t rda_ostimer_interrupt(int irq, void *dev_id) { … } static struct timer_of rda_ostimer_of = …; static u64 rda_hwtimer_read(struct clocksource *cs) { … } static struct clocksource rda_hwtimer_clocksource = …; static int __init rda_timer_init(struct device_node *np) { … } TIMER_OF_DECLARE(rda8810pl, "rda,8810pl-timer", rda_timer_init);
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