drivers/rtc/rtc-imx-sc.c

1 // SPDX-License-Identifier: GPL-2.0+
6 #include <dt-bindings/firmware/imx/rsrc.h>
7 #include <linux/arm-smccc.h>
12 #include <linux/rtc.h>
48 	hdr->ver = IMX_SC_RPC_VERSION;  in imx_sc_rtc_read_time()
49 	hdr->svc = IMX_SC_RPC_SVC_TIMER;  in imx_sc_rtc_read_time()
50 	hdr->func = IMX_SC_TIMER_FUNC_GET_RTC_SEC1970;  in imx_sc_rtc_read_time()
51 	hdr->size = 1;  in imx_sc_rtc_read_time()
55 		dev_err(dev, "read rtc time failed, ret %d\n", ret);  in imx_sc_rtc_read_time()
70 		      ((tm->tm_year + 1900) << 16) | (tm->tm_mon + 1),  in imx_sc_rtc_set_time()
71 		      (tm->tm_mday << 16) | tm->tm_hour,  in imx_sc_rtc_set_time()
72 		      (tm->tm_min << 16) | tm->tm_sec,  in imx_sc_rtc_set_time()
88 	struct rtc_time *alrm_tm = &alrm->time;  in imx_sc_rtc_set_alarm()
90 	hdr->ver = IMX_SC_RPC_VERSION;  in imx_sc_rtc_set_alarm()
91 	hdr->svc = IMX_SC_RPC_SVC_TIMER;  in imx_sc_rtc_set_alarm()
92 	hdr->func = IMX_SC_TIMER_FUNC_SET_RTC_ALARM;  in imx_sc_rtc_set_alarm()
93 	hdr->size = 3;  in imx_sc_rtc_set_alarm()
95 	msg.year = alrm_tm->tm_year + 1900;  in imx_sc_rtc_set_alarm()
96 	msg.mon = alrm_tm->tm_mon + 1;  in imx_sc_rtc_set_alarm()
97 	msg.day = alrm_tm->tm_mday;  in imx_sc_rtc_set_alarm()
98 	msg.hour = alrm_tm->tm_hour;  in imx_sc_rtc_set_alarm()
99 	msg.min = alrm_tm->tm_min;  in imx_sc_rtc_set_alarm()
100 	msg.sec = alrm_tm->tm_sec;  in imx_sc_rtc_set_alarm()
104 		dev_err(dev, "set rtc alarm failed, ret %d\n", ret);  in imx_sc_rtc_set_alarm()
108 	ret = imx_sc_rtc_alarm_irq_enable(dev, alrm->enabled);  in imx_sc_rtc_set_alarm()
110 		dev_err(dev, "enable rtc alarm failed, ret %d\n", ret);  in imx_sc_rtc_set_alarm()
127 	/* ignore non-rtc irq */  in imx_sc_rtc_alarm_notify()
148 	device_init_wakeup(&pdev->dev, true);  in imx_sc_rtc_probe()
150 	imx_sc_rtc = devm_rtc_allocate_device(&pdev->dev);  in imx_sc_rtc_probe()
154 	imx_sc_rtc->ops = &imx_sc_rtc_ops;  in imx_sc_rtc_probe()
155 	imx_sc_rtc->range_min = 0;  in imx_sc_rtc_probe()
156 	imx_sc_rtc->range_max = U32_MAX;  in imx_sc_rtc_probe()
168 	{ .compatible = "fsl,imx8qxp-sc-rtc", },
175 		.name	= "imx-sc-rtc",
183 MODULE_DESCRIPTION("NXP i.MX System Controller RTC Driver");