Lines Matching refs:timer
70 struct mchp_pit64b_timer timer; member
84 struct mchp_pit64b_timer timer; member
117 static inline void mchp_pit64b_reset(struct mchp_pit64b_timer *timer, in mchp_pit64b_reset() argument
125 writel_relaxed(MCHP_PIT64B_CR_SWRST, timer->base + MCHP_PIT64B_CR); in mchp_pit64b_reset()
126 writel_relaxed(mode | timer->mode, timer->base + MCHP_PIT64B_MR); in mchp_pit64b_reset()
127 writel_relaxed(high, timer->base + MCHP_PIT64B_MSB_PR); in mchp_pit64b_reset()
128 writel_relaxed(low, timer->base + MCHP_PIT64B_LSB_PR); in mchp_pit64b_reset()
129 writel_relaxed(irqs, timer->base + MCHP_PIT64B_IER); in mchp_pit64b_reset()
130 writel_relaxed(MCHP_PIT64B_CR_START, timer->base + MCHP_PIT64B_CR); in mchp_pit64b_reset()
133 static void mchp_pit64b_suspend(struct mchp_pit64b_timer *timer) in mchp_pit64b_suspend() argument
135 writel_relaxed(MCHP_PIT64B_CR_SWRST, timer->base + MCHP_PIT64B_CR); in mchp_pit64b_suspend()
136 if (timer->mode & MCHP_PIT64B_MR_SGCLK) in mchp_pit64b_suspend()
137 clk_disable_unprepare(timer->gclk); in mchp_pit64b_suspend()
138 clk_disable_unprepare(timer->pclk); in mchp_pit64b_suspend()
141 static void mchp_pit64b_resume(struct mchp_pit64b_timer *timer) in mchp_pit64b_resume() argument
143 clk_prepare_enable(timer->pclk); in mchp_pit64b_resume()
144 if (timer->mode & MCHP_PIT64B_MR_SGCLK) in mchp_pit64b_resume()
145 clk_prepare_enable(timer->gclk); in mchp_pit64b_resume()
150 struct mchp_pit64b_timer *timer = clksrc_to_mchp_pit64b_timer(cs); in mchp_pit64b_clksrc_suspend() local
152 mchp_pit64b_suspend(timer); in mchp_pit64b_clksrc_suspend()
157 struct mchp_pit64b_timer *timer = clksrc_to_mchp_pit64b_timer(cs); in mchp_pit64b_clksrc_resume() local
159 mchp_pit64b_resume(timer); in mchp_pit64b_clksrc_resume()
160 mchp_pit64b_reset(timer, ULLONG_MAX, MCHP_PIT64B_MR_CONT, 0); in mchp_pit64b_clksrc_resume()
175 struct mchp_pit64b_timer *timer = clkevt_to_mchp_pit64b_timer(cedev); in mchp_pit64b_clkevt_shutdown() local
177 writel_relaxed(MCHP_PIT64B_CR_SWRST, timer->base + MCHP_PIT64B_CR); in mchp_pit64b_clkevt_shutdown()
184 struct mchp_pit64b_timer *timer = clkevt_to_mchp_pit64b_timer(cedev); in mchp_pit64b_clkevt_set_periodic() local
186 mchp_pit64b_reset(timer, mchp_pit64b_ce_cycles, MCHP_PIT64B_MR_CONT, in mchp_pit64b_clkevt_set_periodic()
195 struct mchp_pit64b_timer *timer = clkevt_to_mchp_pit64b_timer(cedev); in mchp_pit64b_clkevt_set_next_event() local
197 mchp_pit64b_reset(timer, evt, MCHP_PIT64B_MR_ONE_SHOT, in mchp_pit64b_clkevt_set_next_event()
205 struct mchp_pit64b_timer *timer = clkevt_to_mchp_pit64b_timer(cedev); in mchp_pit64b_clkevt_suspend() local
207 mchp_pit64b_suspend(timer); in mchp_pit64b_clkevt_suspend()
212 struct mchp_pit64b_timer *timer = clkevt_to_mchp_pit64b_timer(cedev); in mchp_pit64b_clkevt_resume() local
214 mchp_pit64b_resume(timer); in mchp_pit64b_clkevt_resume()
222 readl_relaxed(irq_data->timer.base + MCHP_PIT64B_ISR); in mchp_pit64b_interrupt()
279 static int __init mchp_pit64b_init_mode(struct mchp_pit64b_timer *timer, in mchp_pit64b_init_mode() argument
286 pclk_rate = clk_get_rate(timer->pclk); in mchp_pit64b_init_mode()
290 timer->mode = 0; in mchp_pit64b_init_mode()
293 gclk_round = clk_round_rate(timer->gclk, max_rate); in mchp_pit64b_init_mode()
305 timer->mode |= MCHP_PIT64B_MR_SGCLK; in mchp_pit64b_init_mode()
306 clk_set_rate(timer->gclk, gclk_round); in mchp_pit64b_init_mode()
320 timer->mode |= MCHP_PIT64B_MR_SGCLK; in mchp_pit64b_init_mode()
321 clk_set_rate(timer->gclk, gclk_round); in mchp_pit64b_init_mode()
325 timer->mode |= MCHP_PIT64B_PRES_TO_MODE(best_pres); in mchp_pit64b_init_mode()
328 timer->mode & MCHP_PIT64B_MR_SGCLK ? "gclk" : "pclk", best_pres, in mchp_pit64b_init_mode()
329 timer->mode & MCHP_PIT64B_MR_SGCLK ? in mchp_pit64b_init_mode()
335 static int __init mchp_pit64b_init_clksrc(struct mchp_pit64b_timer *timer, in mchp_pit64b_init_clksrc() argument
345 mchp_pit64b_reset(timer, ULLONG_MAX, MCHP_PIT64B_MR_CONT, 0); in mchp_pit64b_init_clksrc()
347 mchp_pit64b_cs_base = timer->base; in mchp_pit64b_init_clksrc()
349 cs->timer.base = timer->base; in mchp_pit64b_init_clksrc()
350 cs->timer.pclk = timer->pclk; in mchp_pit64b_init_clksrc()
351 cs->timer.gclk = timer->gclk; in mchp_pit64b_init_clksrc()
352 cs->timer.mode = timer->mode; in mchp_pit64b_init_clksrc()
367 timer->base + MCHP_PIT64B_CR); in mchp_pit64b_init_clksrc()
378 static int __init mchp_pit64b_init_clkevt(struct mchp_pit64b_timer *timer, in mchp_pit64b_init_clkevt() argument
390 ce->timer.base = timer->base; in mchp_pit64b_init_clkevt()
391 ce->timer.pclk = timer->pclk; in mchp_pit64b_init_clkevt()
392 ce->timer.gclk = timer->gclk; in mchp_pit64b_init_clkevt()
393 ce->timer.mode = timer->mode; in mchp_pit64b_init_clkevt()
422 struct mchp_pit64b_timer timer; in mchp_pit64b_dt_init_timer() local
428 timer.pclk = of_clk_get_by_name(node, "pclk"); in mchp_pit64b_dt_init_timer()
429 if (IS_ERR(timer.pclk)) in mchp_pit64b_dt_init_timer()
430 return PTR_ERR(timer.pclk); in mchp_pit64b_dt_init_timer()
432 timer.gclk = of_clk_get_by_name(node, "gclk"); in mchp_pit64b_dt_init_timer()
433 if (IS_ERR(timer.gclk)) in mchp_pit64b_dt_init_timer()
434 return PTR_ERR(timer.gclk); in mchp_pit64b_dt_init_timer()
436 timer.base = of_iomap(node, 0); in mchp_pit64b_dt_init_timer()
437 if (!timer.base) in mchp_pit64b_dt_init_timer()
449 ret = mchp_pit64b_init_mode(&timer, freq); in mchp_pit64b_dt_init_timer()
453 ret = clk_prepare_enable(timer.pclk); in mchp_pit64b_dt_init_timer()
457 if (timer.mode & MCHP_PIT64B_MR_SGCLK) { in mchp_pit64b_dt_init_timer()
458 ret = clk_prepare_enable(timer.gclk); in mchp_pit64b_dt_init_timer()
462 clk_rate = clk_get_rate(timer.gclk); in mchp_pit64b_dt_init_timer()
464 clk_rate = clk_get_rate(timer.pclk); in mchp_pit64b_dt_init_timer()
466 clk_rate = clk_rate / (MCHP_PIT64B_MODE_TO_PRES(timer.mode) + 1); in mchp_pit64b_dt_init_timer()
469 ret = mchp_pit64b_init_clkevt(&timer, clk_rate, irq); in mchp_pit64b_dt_init_timer()
471 ret = mchp_pit64b_init_clksrc(&timer, clk_rate); in mchp_pit64b_dt_init_timer()
479 if (timer.mode & MCHP_PIT64B_MR_SGCLK) in mchp_pit64b_dt_init_timer()
480 clk_disable_unprepare(timer.gclk); in mchp_pit64b_dt_init_timer()
482 clk_disable_unprepare(timer.pclk); in mchp_pit64b_dt_init_timer()
486 iounmap(timer.base); in mchp_pit64b_dt_init_timer()