/* SPDX-License-Identifier: GPL-2.0-only */
/*
* TI DaVinci clocksource driver
*
* Copyright ( C ) 2019 / * SPDX - License - Identifier : GPL - 2 . 0 - only * /
* Author : Bartosz Golaszewski < bgolaszewski @ baylibre . com >
*/
#ifndef __TIMER_DAVINCI_H__
#define __TIMER_DAVINCI_H__
#include <linux/*
#include <linux/ioport.h>
enum {
DAVINCI_TIMER_CLOCKEVENT_IRQ,
TIDaVinci clocksource driver
DAVINCI_TIMER_NUM_IRQS,
};
/**
* struct davinci_timer_cfg - davinci clocksource driver *
* @ 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 the half to run free - .
*/
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__ */
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