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/openbmc/linux/arch/arm/mach-omap2/
H A Dpm.c43 * struct omap2_oscillator - Describe the board main oscillator latencies
44 * @startup_time: oscillator startup latency
45 * @shutdown_time: oscillator shutdown latency
52 static struct omap2_oscillator oscillator = { variable
62 *tstart = oscillator.startup_time; in omap_pm_get_oscillator()
63 *tshut = oscillator.shutdown_time; in omap_pm_get_oscillator()
/openbmc/linux/Documentation/devicetree/bindings/rtc/
H A Dallwinner,sun6i-a31-rtc.yaml58 - the Low Frequency Oscillator or LOSC, at index 0,
59 - the Low Frequency Oscillator External output (X32KFOUT in
61 - the Internal Oscillator, at index 2.
116 - description: 24 MHz oscillator
141 - description: 24 MHz oscillator
143 - description: External 32768 Hz oscillator
/openbmc/linux/Documentation/devicetree/bindings/clock/
H A Dstarfive,jh7110-aoncrg.yaml22 - description: Main Oscillator (24 MHz)
29 - description: Main Oscillator (24 MHz)
34 - description: RTC Oscillator (32.768 kHz) or GMAC0 GTX
37 - description: Main Oscillator (24 MHz)
43 - description: RTC Oscillator (32.768 kHz)
H A Dbaikal,bt1-ccu-pll.yaml16 connected with an external fixed rate oscillator, which signal is transformed
21 1) External oscillator (normally XTAL's 25 MHz crystal oscillator, but
46 In order to create signals of wide range frequencies the external oscillator
123 # Required external oscillator:
125 clk25m: clock-oscillator-25m {
H A Dnxp,lpc3220-clk.txt9 32768 Hz oscillator and may have one optional high frequency oscillator
10 - clock-names: list of external oscillator clock names, must contain
H A Dbrcm,bcm2835-cprman.txt8 oscillator, a level of PLL dividers that produce channels off of the
24 - External oscillator
32 Only external oscillator is required. The DSI clocks may
H A Dbaikal,bt1-ccu-div.yaml16 connected with an external fixed rate oscillator, which signal is transformed
23 1) External oscillator (normally XTAL's 25 MHz crystal oscillator, but
49 In order to create signals of wide range frequencies the external oscillator
67 external clock oscillator, SETCLK - a command to update the output clock in
H A Darm,syscon-icst.yaml52 The ICST oscillator must be provided inside a system controller node.
85 description: Offset to the unlocking register for the oscillator
89 description: Offset to the VCO register for the oscillator
/openbmc/linux/drivers/mfd/
H A Dmax77714.c72 * MAX77714 initially uses the internal, low precision oscillator. Enable
73 * the external oscillator by setting the XOSC_RETRY bit. If the external
74 * oscillator is not OK (probably not installed) this has no effect.
88 return dev_err_probe(dev, err, "Failed to configure the external oscillator\n"); in max77714_setup_xosc()
92 return dev_err_probe(dev, err, "Failed to read external oscillator status\n"); in max77714_setup_xosc()
97 dev_info(dev, "Using %s oscillator, %d pF load cap\n", in max77714_setup_xosc()
/openbmc/linux/Documentation/devicetree/bindings/iio/frequency/
H A Dadi,adrf6780.yaml49 Local Oscillator Amplifier Enable. Disable to put the part in
67 Double the Local Oscillator output frequency from the Local
68 Oscillator Input Frequency. Either LOx1 or LOx2 can be enabled
74 Local Oscillator input frequency equal to the Local Oscillator
/openbmc/linux/arch/arm/mach-davinci/
H A Dpm.h24 * the internal oscillator is used. The internal oscillator is
26 * mode, the oscillator will be turned on and will generate very
34 * In the case that the internal oscillator is not used and the
/openbmc/linux/Documentation/arch/arm/sunxi/
H A Dclocks.rst8 Q: Why is the main 24MHz oscillator gateable? Wouldn't that break the
11 A: The 24MHz oscillator allows gating to save power. Indeed, if gated
27 oscillator::
37 Finally you can gate the main oscillator::
/openbmc/u-boot/arch/arm/mach-at91/include/mach/
H A Dat91_sck.h13 #define AT91SAM9G45_SCKCR_RCEN (1 << 0) /* RC Oscillator Enable */
14 #define AT91SAM9G45_SCKCR_OSC32EN (1 << 1) /* 32kHz Oscillator Enable */
15 #define AT91SAM9G45_SCKCR_OSC32BYP (1 << 2) /* 32kHz Oscillator Bypass */
/openbmc/linux/arch/arm64/boot/dts/marvell/
H A Darmada-8020.dtsi18 /* The RTC requires external oscillator. But on Aramda 80x0, the RTC clock
19 * in CP master is not connected (by package) to the oscillator. So
21 * oscillator so this one is let enabled.
H A Darmada-8040.dtsi26 /* The RTC requires external oscillator. But on Aramda 80x0, the RTC clock
27 * in CP master is not connected (by package) to the oscillator. So
29 * oscillator so this one is let enabled.
/openbmc/linux/drivers/net/wireless/broadcom/b43/
H A Dlo.h5 /* G-PHY Local Oscillator */
11 /* Local Oscillator control value-pair. */
38 /* Local Oscillator calibration information */
74 /* Adjust the Local Oscillator to the saved attenuation
/openbmc/u-boot/doc/device-tree-bindings/clock/
H A Dst,stm32mp1.txt166 - enable the oscillator present in device tree
167 - disable HSI oscillator if the node is absent (always activated by bootrom)
171 a) for external oscillator: "clk-lse", "clk-hse"
174 - "st,bypass" Configure the oscillator bypass mode (HSEBYP, LSEBYP)
178 - "st,drive" (only for LSE) value of the drive for the oscillator
201 b) for internal oscillator: "clk-hsi"
/openbmc/linux/arch/arm/mach-at91/
H A Dpm_suspend.S49 * Wait until master oscillator has stabilized.
60 * Wait for main oscillator selection is done
495 /* Turn off the crystal oscillator */
501 /* Save RC oscillator state */
507 /* Turn off RC oscillator */
536 5: /* Restore RC oscillator state */
541 /* Turn on RC oscillator */
553 /* Turn on the crystal oscillator */
565 * the external crystal oscillator as a main clock source.
572 /* Save RC oscillator state and check if it is enabled. */
[all …]
/openbmc/u-boot/board/freescale/mpc8313erdb/
H A DREADME65 33 - 33 MHz oscillator, boot from NOR flash
66 66 - 66 MHz oscillator, boot from NOR flash
67 NAND_33 - 33 MHz oscillator, boot from NAND flash
68 NAND_66 - 66 MHz oscillator, boot from NAND flash)
/openbmc/u-boot/arch/arm/mach-at91/
H A Dspl_at91.c35 /* Enable Main Oscillator */ in lowlevel_clock_init()
38 /* Wait until Main Oscillator is stable */ in lowlevel_clock_init()
43 /* After stabilization, switch to Main Oscillator */ in lowlevel_clock_init()
84 * At this stage the main oscillator is supposed to be enabled in board_init_f()
/openbmc/linux/drivers/rtc/
H A Drtc-bq32k.c22 #define BQ32K_STOP 0x80 /* Oscillator Stop flat */
26 #define BQ32K_OF 0x80 /* Oscillator Failure flag */
100 * In case of oscillator failure, the register contents should be in bq32k_rtc_read_time()
263 /* Check Oscillator Stop flag */ in bq32k_probe()
266 dev_warn(dev, "Oscillator was halted. Restarting...\n"); in bq32k_probe()
273 /* Check Oscillator Failure flag */ in bq32k_probe()
278 dev_warn(dev, "Oscillator Failure. Check RTC battery.\n"); in bq32k_probe()
/openbmc/u-boot/arch/arm/mach-at91/arm920t/
H A Dlowlevel_init.S33 /* Main oscillator Enable register */
35 ldr r0, =0x0000FF01 /* Enable main oscillator */
37 ldr r0, =0x0000FF00 /* Disable main oscillator */
40 /* Add loop to compensate Main Oscillator startup time */
/openbmc/u-boot/drivers/rtc/
H A Dds3231.c41 #define RTC_CTL_BIT_DOSC 0x80 /* Disable Oscillator */
48 #define RTC_STAT_BIT_OSF 0x80 /* Oscillator stop flag */
80 printf ("### Warning: RTC oscillator has stopped\n"); in rtc_get()
132 * Reset the RTC. We also enable the oscillator output on the
/openbmc/linux/Documentation/devicetree/bindings/spi/
H A Dspi-sc18is602.txt11 - clock-frequency : external oscillator clock frequency. If not
15 external oscillator (SC18IS603).
/openbmc/linux/include/linux/clk/
H A Dat91_pmc.h67 #define AT91_CKGR_MOR 0x20 /* Main Oscillator Register [not on SAM9RL] */
68 #define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */
69 #define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass */
71 #define AT91_PMC_MOSCRCEN (1 << 3) /* Main On-Chip RC Oscillator Enable [some SAM9] */
72 #define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */
75 #define AT91_PMC_MOSCSEL (1 << 24) /* Main Oscillator Selection [some SAM9] */
203 #define AT91_PMC_OSCSEL (1 << 7) /* Slow Oscillator Selection [some SAM9] */
208 #define AT91_PMC_MOSCSELS (1 << 16) /* Main Oscillator Selection [some SAM9] */

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