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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * TI DaVinci clocksource driver4 *5 * Copyright (C) 2019 Texas Instruments6 * Author: Bartosz Golaszewski <bgolaszewski@baylibre.com>7 */8 9#ifndef __TIMER_DAVINCI_H__10#define __TIMER_DAVINCI_H__11 12#include <linux/clk.h>13#include <linux/ioport.h>14 15enum {16 DAVINCI_TIMER_CLOCKEVENT_IRQ,17 DAVINCI_TIMER_CLOCKSOURCE_IRQ,18 DAVINCI_TIMER_NUM_IRQS,19};20 21/**22 * struct davinci_timer_cfg - davinci clocksource driver configuration struct23 * @reg: register range resource24 * @irq: clockevent and clocksource interrupt resources25 * @cmp_off: if set - it specifies the compare register used for clockevent26 *27 * Note: if the compare register is specified, the driver will use the bottom28 * clock half for both clocksource and clockevent and the compare register29 * to generate event irqs. The user must supply the correct compare register30 * interrupt number.31 *32 * This is only used by da830 the DSP of which uses the top half. The timer33 * driver still configures the top half to run in free-run mode.34 */35struct davinci_timer_cfg {36 struct resource reg;37 struct resource irq[DAVINCI_TIMER_NUM_IRQS];38 unsigned int cmp_off;39};40 41int __init davinci_timer_register(struct clk *clk,42 const struct davinci_timer_cfg *data);43 44#endif /* __TIMER_DAVINCI_H__ */45