/* SPDX-License-Identifier: GPL-2.0-only */ /* * TI DaVinci clocksource driver * * Copyright (C) 2019 Texas Instruments * Author: Bartosz Golaszewski <bgolaszewski@baylibre.com> */ #ifndef __TIMER_DAVINCI_H__ #define __TIMER_DAVINCI_H__ #include <linux/clk.h> #include <linux/ioport.h> enum { DAVINCI_TIMER_CLOCKEVENT_IRQ, DAVINCI_TIMER_CLOCKSOURCE_IRQ, DAVINCI_TIMER_NUM_IRQS, }; /** * struct davinci_timer_cfg - davinci clocksource driver configuration struct * @reg: register range resource * @irq: clockevent and clocksource interrupt resources * @cmp_off: if set - it specifies the compare register used for clockevent * * Note: if the compare register is specified, the driver will use the bottom * clock half for both clocksource and clockevent and the compare register * to generate event irqs. The user must supply the correct compare register * interrupt number. * * This is only used by da830 the DSP of which uses the top half. The timer * driver still configures the top half to run in free-run mode. */ struct davinci_timer_cfg { struct resource reg; struct resource irq[DAVINCI_TIMER_NUM_IRQS]; unsigned int cmp_off; }; int __init davinci_timer_register(struct clk *clk, const struct davinci_timer_cfg *data); #endif /* __TIMER_DAVINCI_H__ */