// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2014-2018 Nuvoton Technologies [email protected] * All rights reserved. * * Copyright 2017 Google, Inc. */ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/err.h> #include <linux/clk.h> #include <linux/io.h> #include <linux/clockchips.h> #include <linux/of_irq.h> #include <linux/of_address.h> #include "timer-of.h" /* Timers registers */ #define NPCM7XX_REG_TCSR0 … #define NPCM7XX_REG_TICR0 … #define NPCM7XX_REG_TCSR1 … #define NPCM7XX_REG_TICR1 … #define NPCM7XX_REG_TDR1 … #define NPCM7XX_REG_TISR … /* Timers control */ #define NPCM7XX_Tx_RESETINT … #define NPCM7XX_Tx_PERIOD … #define NPCM7XX_Tx_INTEN … #define NPCM7XX_Tx_COUNTEN … #define NPCM7XX_Tx_ONESHOT … #define NPCM7XX_Tx_OPER … #define NPCM7XX_Tx_MIN_PRESCALE … #define NPCM7XX_Tx_TDR_MASK_BITS … #define NPCM7XX_Tx_MAX_CNT … #define NPCM7XX_T0_CLR_INT … #define NPCM7XX_Tx_CLR_CSR … /* Timers operating mode */ #define NPCM7XX_START_PERIODIC_Tx … #define NPCM7XX_START_ONESHOT_Tx … #define NPCM7XX_START_Tx … #define NPCM7XX_DEFAULT_CSR … static int npcm7xx_timer_resume(struct clock_event_device *evt) { … } static int npcm7xx_timer_shutdown(struct clock_event_device *evt) { … } static int npcm7xx_timer_oneshot(struct clock_event_device *evt) { … } static int npcm7xx_timer_periodic(struct clock_event_device *evt) { … } static int npcm7xx_clockevent_set_next_event(unsigned long evt, struct clock_event_device *clk) { … } static irqreturn_t npcm7xx_timer0_interrupt(int irq, void *dev_id) { … } static struct timer_of npcm7xx_to = …; static void __init npcm7xx_clockevents_init(void) { … } static void __init npcm7xx_clocksource_init(void) { … } static int __init npcm7xx_timer_init(struct device_node *np) { … } TIMER_OF_DECLARE(wpcm450, "nuvoton,wpcm450-timer", npcm7xx_timer_init); TIMER_OF_DECLARE(npcm7xx, "nuvoton,npcm750-timer", npcm7xx_timer_init);
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