53  * @pclk: PIT64B's peripheral clock
59 	struct clk	*pclk;  member
166 	clk_disable_unprepare(timer->pclk);  in mchp_pit64b_clkevt_suspend()
173 	clk_prepare_enable(timer->pclk);  in mchp_pit64b_clkevt_resume()
210  * PIT64B timer may be fed by gclk or pclk. When gclk is used its rate has to
211  * be at least 3 times lower that pclk's rate. pclk rate is fixed, gclk rate
212  * could be changed via clock APIs. The chosen clock (pclk or gclk) could be
217  * requested rate. If PCLK/GCLK < 3 (condition requested by PIT64B hardware)
218  * then the function falls back on using PCLK as clock source for PIT64B timer
229  * |    |-->pclk -->|-->|     |    +---------+  +-----+  |
236  *	- gclk rate <= pclk rate/3
238  *	- pclk rate is fixed (cannot be requested from PMC)
247 	pclk_rate = clk_get_rate(timer->pclk);  in mchp_pit64b_init_mode()
256 		goto pclk;  in mchp_pit64b_init_mode()
259 		goto pclk;  in mchp_pit64b_init_mode()
271 pclk:  in mchp_pit64b_init_mode()
272 	/* Check if requested rate could be obtained using PCLK. */  in mchp_pit64b_init_mode()
277 		/* Use PCLK. */  in mchp_pit64b_init_mode()
289 		timer->mode & MCHP_PIT64B_MR_SGCLK ? "gclk" : "pclk", best_pres,  in mchp_pit64b_init_mode()
335 	ce->timer.pclk = timer->pclk;  in mchp_pit64b_init_clkevt()
372 	timer.pclk = of_clk_get_by_name(node, "pclk");  in mchp_pit64b_dt_init_timer()
373 	if (IS_ERR(timer.pclk))  in mchp_pit64b_dt_init_timer()
374 		return PTR_ERR(timer.pclk);  in mchp_pit64b_dt_init_timer()
397 	ret = clk_prepare_enable(timer.pclk);  in mchp_pit64b_dt_init_timer()
408 		clk_rate = clk_get_rate(timer.pclk);  in mchp_pit64b_dt_init_timer()
426 	clk_disable_unprepare(timer.pclk);  in mchp_pit64b_dt_init_timer()