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Searched +full:xgene +full:- +full:rtc (Results 1 – 5 of 5) sorted by relevance

/linux/Documentation/devicetree/bindings/rtc/
H A Dapm,xgene-rtc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/rtc/apm,xgene-rtc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: APM X-Gene Real Time Clock
10 - Khuong Dinh <khuong@os.amperecomputing.com>
14 const: apm,xgene-rtc
22 '#clock-cells':
29 - compatible
30 - reg
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/linux/drivers/rtc/
H A Drtc-xgene.c1 // SPDX-License-Identifier: GPL-2.0+
3 * APM X-Gene SoC Real Time Clock Driver
17 #include <linux/rtc.h>
20 /* RTC CSR Registers */
36 struct rtc_device *rtc; member
47 rtc_time64_to_tm(readl(pdata->csr_base + RTC_CCVR), tm); in xgene_rtc_read_time()
59 writel((u32)rtc_tm_to_time64(tm), pdata->csr_base + RTC_CLR); in xgene_rtc_set_time()
60 readl(pdata->csr_base + RTC_CLR); /* Force a barrier */ in xgene_rtc_set_time()
70 rtc_time64_to_tm(0, &alrm->time); in xgene_rtc_read_alarm()
71 alrm->enabled = readl(pdata->csr_base + RTC_CCR) & RTC_CCR_IE; in xgene_rtc_read_alarm()
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H A DMakefile1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for RTC class/drivers.
6 ccflags-$(CONFIG_RTC_DEBUG) := -DDEBUG
8 obj-$(CONFIG_RTC_LIB) += lib.o
9 obj-$(CONFIG_RTC_CLASS) += rtc-core.o
10 obj-$(CONFIG_RTC_MC146818_LIB) += rtc-mc146818-lib.o
11 rtc-core-y := class.o interface.o
13 rtc-core-$(CONFIG_RTC_NVMEM) += nvmem.o
14 rtc-core-$(CONFIG_RTC_INTF_DEV) += dev.o
15 rtc-core-$(CONFIG_RTC_INTF_PROC) += proc.o
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # RTC class/drivers configuration
19 Generic RTC class support. If you say yes here, you will
26 bool "Set system time from RTC on startup and resume"
30 the value read from a specified RTC device. This is useful to avoid
34 string "RTC used to set the system time"
38 The RTC device that will be used to (re)initialize the system
44 This clock should be battery-backed, so that it reads the correct
45 time when the system boots from a power-off state. Otherwise, your
50 sleep states. Do not specify an RTC here unless it stays powered
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/linux/arch/arm64/boot/dts/apm/
H A Dapm-merlin.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
8 /dts-v1/;
10 /include/ "apm-shadowcat.dtsi"
13 model = "APM X-Gene Merlin board";
14 compatible = "apm,merlin", "apm,xgene-shadowcat";
23 gpio-keys {
24 compatible = "gpio-keys";
28 linux,input-type = <0x1>;
29 interrupt-parent = <&sbgpio>;
35 compatible = "apm,merlin-poweroff-mailbox", "syscon";
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