| /Linux-v5.4/drivers/rtc/ |
| D | Kconfig | 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 The driver for this RTC device must be loaded before late_initcall
53 sleep states. Do not specify an RTC here unless it stays powered
57 bool "Set the RTC time based on NTP synchronization"
61 in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
[all …]
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| /Linux-v5.4/Documentation/ABI/testing/ |
| D | sysfs-class-rtc | 6 The rtc/ class subdirectory belongs to the RTC subsystem.
14 to each RTC device.
21 (RO) RTC-provided date in YYYY-MM-DD format
28 (RO) 1 if the RTC provided the system time at boot via the
37 from this RTC.
44 (RO) The name of the RTC corresponding to this sysfs directory
51 Valid time range for the RTC, as seconds from epoch, formatted
59 (RO) RTC-provided time as the number of seconds since the epoch
66 (RO) RTC-provided time in 24-hour notation (hh:mm:ss)
|
| /Linux-v5.4/Documentation/admin-guide/ |
| D | rtc.rst | 2 Real Time Clock (RTC) Drivers for Linux
16 Linux has two largely-compatible userspace RTC API families you may
19 * /dev/rtc ... is the RTC provided by PC compatible systems,
23 supported by a wide variety of RTC chips on all systems.
27 RTCs use the same API to make requests in both RTC frameworks (using
29 same functionality. For example, not every RTC is hooked up to an
91 the process of doing this, the kernel briefly turns off RTC periodic
94 whatever) then the kernel will keep its hands off the RTC, allowing you
97 The alarm and/or interrupt frequency are programmed into the RTC via
108 New portable "RTC Class" drivers: /dev/rtcN
[all …]
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| /Linux-v5.4/arch/sh/kernel/cpu/sh4/ |
| D | setup-sh4-202.c | 88 HUDI, TMU0, TMU1, TMU2, RTC, SCIF, WDT, enumerator
95 INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
96 INTC_VECT(RTC, 0x4c0),
103 { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
|
| /Linux-v5.4/Documentation/devicetree/bindings/rtc/ |
| D | rtc-mxc.txt | 3 RTC controller for the i.MX SoCs
9 - interrupts: IRQ line for the RTC.
12 * one for the the SoC RTC
15 * "ipg" for the SoC RTC clock
|
| D | isil,isl12026.txt | 1 ISL12026 I2C RTC/EEPROM
3 ISL12026 is an I2C RTC/EEPROM combination device. The RTC and control
5 at bus address 0x57. The canonical "reg" value will be for the RTC portion.
|
| D | rtc-palmas.txt | 1 Palmas RTC controller bindings
5 - "ti,palmas-rtc" for palma series of the RTC controller
6 - interrupts: Interrupt number of RTC submodule on device.
11 TPS80036 supports the backup battery for powering the RTC when main
|
| D | moxa,moxart-rtc.txt | 6 - gpio-rtc-sclk : RTC sclk gpio, with zero flags
7 - gpio-rtc-data : RTC data gpio, with zero flags
8 - gpio-rtc-reset : RTC reset gpio, with zero flags
|
| D | rtc-omap.txt | 5 - "ti,da830-rtc" - for RTC IP used similar to that on DA8xx SoC family.
6 - "ti,am3352-rtc" - for RTC IP used similar to that on AM335x SoC family.
7 This RTC IP has special WAKE-EN Register to enable
11 - "ti,am4372-rtc" - for RTC IP used similar to that on AM437X SoC family.
|
| D | armada-380-rtc.txt | 3 RTC controller for the Armada 38x, 7K and 8K SoCs
12 * "rtc" for the RTC registers
15 - interrupts: IRQ line for the RTC.
|
| D | pxa-rtc.txt | 1 * PXA RTC
3 PXA specific RTC driver.
|
| D | rtc-meson.txt | 1 * Amlogic Meson6, Meson8, Meson8b and Meson8m2 RTC
11 - interrupts: the interrupt line of the RTC block.
13 - vdd-supply: reference to the power supply of the RTC block.
|
| D | st,stm32-rtc.txt | 10 - "rtc_ck": RTC clock source.
11 - "pclk": RTC APB interface clock.
21 domain (RTC registers) write protection.
57 clocks = <&rcc RTCAPB>, <&rcc RTC>;
|
| D | google,goldfish-rtc.txt | 1 Android Goldfish RTC
3 Android Goldfish RTC device used by Android emulator.
|
| D | maxim-ds1302.txt | 1 * Maxim/Dallas Semiconductor DS-1302 RTC
6 Master output is set on low clock and sensed by the RTC on the rising
7 edge. Master input is set by the RTC on the trailing edge and is sensed
|
| /Linux-v5.4/Documentation/devicetree/bindings/spi/ |
| D | icpdas-lp8841-spi-rtc.txt | 1 * ICP DAS LP-8841 SPI Controller for RTC
3 ICP DAS LP-8841 contains a DS-1302 RTC. RTC is connected to an IO
7 Master output is set on low clock and sensed by the RTC on the rising
8 edge. Master input is set by the RTC on the trailing edge and is sensed
|
| /Linux-v5.4/arch/sh/kernel/cpu/sh3/ |
| D | setup-sh7705.c | 30 RTC, WDT, REF_RCMI, enumerator
48 INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
49 INTC_VECT(RTC, 0x4c0),
55 { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
|
| D | setup-sh7710.c | 27 RTC, WDT, REF, enumerator
50 INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
51 INTC_VECT(RTC, 0x4c0),
57 { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
|
| D | setup-sh770x.c | 31 RTC, WDT, REF, enumerator
37 INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
38 INTC_VECT(RTC, 0x4c0),
67 { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
|
| D | setup-sh7720.c | 222 TMU0, TMU1, TMU2, RTC, enumerator
238 INTC_VECT(TMU2, 0x440), INTC_VECT(RTC, 0x480),
239 INTC_VECT(RTC, 0x4a0), INTC_VECT(RTC, 0x4c0),
266 { 0xA414FEE2UL, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
|
| /Linux-v5.4/arch/arm64/boot/dts/marvell/ |
| D | armada-8020.dtsi | 18 /* The RTC requires external oscillator. But on Aramda 80x0, the RTC clock
20 * disable it. However, the RTC clock in CP slave is connected to the
|
| D | armada-8040.dtsi | 18 /* The RTC requires external oscillator. But on Aramda 80x0, the RTC clock
20 * disable it. However, the RTC clock in CP slave is connected to the
|
| /Linux-v5.4/arch/sh/boards/mach-highlander/ |
| D | irq-r7780mp.c | 23 RTC, /* RTC Alarm */ enumerator
37 INTC_IRQ(RTC, IRQ_RTC),
48 { SCIF0, SCIF1, RTC, 0, CF, 0, TP, SMBUS,
|
| D | irq-r7785rp.c | 21 RTC, /* RTC Alarm */ enumerator
33 INTC_IRQ(RTC, IRQ_RTC),
48 RTC, 0, TH_ALERT, 0, 0, 0, 0, 0 } },
|
| /Linux-v5.4/arch/arm/boot/dts/ |
| D | kirkwood-nas2big.dts | 31 /* The on-chip RTC is not powered (no supercap). */
92 * An external I2C RTC (Dallas DS1337S+) is used. This allows
93 * to power-up the board on an RTC alarm. The external RTC can
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