drivers/clocksource/timer-imx-sysctr.c

1 // SPDX-License-Identifier: GPL-2.0+
3 // Copyright 2017-2019 NXP
9 #include "timer-of.h"
36 	struct sysctr_private *priv = to->private_data;  in sysctr_timer_enable()
39 	writel(enable ? priv->cmpcr | SYS_CTR_EN : priv->cmpcr, base + CMPCR);  in sysctr_timer_enable()
55 	struct sysctr_private *priv = to->private_data;  in sysctr_read_counter()
60 		cnt_hi = readl_relaxed(base + priv->hi_off);  in sysctr_read_counter()
61 		cnt_lo = readl_relaxed(base + priv->lo_off);  in sysctr_read_counter()
62 		tmp_hi = readl_relaxed(base + priv->hi_off);  in sysctr_read_counter()
111 	evt->event_handler(evt);  in sysctr_timer_interrupt()
119 		.name			= "i.MX system counter timer",
144 		return -ENOMEM;  in __sysctr_timer_init()
152 	if (!of_property_read_bool(np, "nxp,no-divider")) {  in __sysctr_timer_init()
161 	priv->cmpcr = readl(base + CMPCR) & ~SYS_CTR_EN;  in __sysctr_timer_init()
176 	priv->lo_off = CNTCV_LO;  in sysctr_timer_init()
177 	priv->hi_off = CNTCV_HI;  in sysctr_timer_init()
196 	priv->lo_off = CNTCV_LO_IMX95;  in sysctr_timer_imx95_init()
197 	priv->hi_off = CNTCV_HI_IMX95;  in sysctr_timer_imx95_init()
206 TIMER_OF_DECLARE(sysctr_timer, "nxp,sysctr-timer", sysctr_timer_init);
207 TIMER_OF_DECLARE(sysctr_timer_imx95, "nxp,imx95-sysctr-timer", sysctr_timer_imx95_init);