Home
last modified time | relevance | path

Searched +full:system +full:- +full:clock +full:- +full:fixed (Results 1 – 25 of 87) sorted by relevance

1234

/Documentation/devicetree/bindings/clock/
Dcirrus,lochnagar.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/clock/cirrus,lochnagar.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - patches@opensource.cirrus.com
15 Logic devices on mini-cards, as well as allowing connection of various
17 Audio system topology, clocking and power can all be controlled through
21 This binding document describes the binding for the clock portion of the
25 [1] Clock : ../clock/clock-bindings.txt
28 [2] include/dt-bindings/clock/lochnagar.h
[all …]
Dlpc1850-cgu.txt1 * NXP LPC1850 Clock Generation Unit (CGU)
4 peripheral blocks of the LPC18xx. Each independent clock is called
5 a base clock and itself is one of the inputs to the two Clock
9 The CGU selects the inputs to the clock generators from multiple
10 clock sources, controls the clock generation, and routes the outputs
11 of the clock generators through the clock source bus to the output
12 stages. Each output stage provides an independent clock source and
15 - Above text taken from NXP LPC1850 User Manual.
18 This binding uses the common clock binding:
19 Documentation/devicetree/bindings/clock/clock-bindings.txt
[all …]
Drenesas,emev2-smu.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/clock/renesas,emev2-smu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas EMMA Mobile EV2 System Management Unit
10 - Geert Uytterhoeven <geert+renesas@glider.be>
11 - Magnus Damm <magnus.damm@gmail.com>
14 The System Management Unit is described in user's manual R19UH0037EJ1000_SMU.
15 This is not a clock provider, but clocks under SMU depend on it.
19 const: renesas,emev2-smu
[all …]
Dcanaan,k210-clk.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/clock/canaan,k210-clk.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Canaan Kendryte K210 Clock
10 - Damien Le Moal <dlemoal@kernel.org>
13 Canaan Kendryte K210 SoC clocks driver bindings. The clock
15 system controller node.
18 - dt-bindings/clock/k210-clk.h
22 const: canaan,k210-clk
[all …]
Dbaikal,bt1-ccu-pll.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/clock/baikal,bt1-ccu-pll.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Baikal-T1 Clock Control Unit PLL
11 - Serge Semin <fancer.lancer@gmail.com>
14 Clocks Control Unit is the core of Baikal-T1 SoC System Controller
16 connected with an external fixed rate oscillator, which signal is transformed
18 IP-blocks or to groups of blocks (clock domains). The transformation is done
19 by means of PLLs and gateable/non-gateable dividers embedded into the CCU.
[all …]
Dartpec6.txt1 * Clock bindings for Axis ARTPEC-6 chip
3 The bindings are based on the clock provider binding in
4 Documentation/devicetree/bindings/clock/clock-bindings.txt
7 ----------------
9 There are two external inputs to the main clock controller which should be
10 provided using the common clock bindings.
11 - "sys_refclk": External 50 Mhz oscillator (required)
12 - "i2s_refclk": Alternate audio reference clock (optional).
14 Main clock controller
15 ---------------------
[all …]
Dst,nomadik.txt1 ST Microelectronics Nomadik SRC System Reset and Control
3 This binding uses the common clock binding:
4 Documentation/devicetree/bindings/clock/clock-bindings.txt
7 PLLs and clock gates.
10 - compatible: must be "stericsson,nomadik-src"
11 - reg: must contain the SRC register base and size
14 - disable-sxtalo: if present this will disable the SXTALO
17 - disable-mxtal: if present this will disable the MXTALO,
23 PLL nodes: these nodes represent the two PLLs on the system,
25 fixed frequency clock, as parent.
[all …]
Dcalxeda.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/clock/calxeda.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Calxeda highbank platform Clock Controller
11 as used by peripherals. The clocks live inside the "system register"
13 "hb-sregs" node.
16 - Andre Przywara <andre.przywara@arm.com>
19 "#clock-cells":
24 - calxeda,hb-pll-clock
[all …]
Dbaikal,bt1-ccu-div.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/clock/baikal,bt1-ccu-div.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Baikal-T1 Clock Control Unit Dividers
11 - Serge Semin <fancer.lancer@gmail.com>
14 Clocks Control Unit is the core of Baikal-T1 SoC System Controller
16 connected with an external fixed rate oscillator, which signal is transformed
18 IP-blocks or to groups of blocks (clock domains). The transformation is done
19 by means of an embedded into CCU PLLs and gateable/non-gateable dividers. The
[all …]
/Documentation/devicetree/bindings/sound/
Daudio-graph-port.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/audio-graph-port.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
15 port-base:
17 - $ref: /schemas/graph.yaml#/$defs/port-base
18 - $ref: /schemas/sound/dai-params.yaml#
20 mclk-fs:
21 $ref: simple-card.yaml#/definitions/mclk-fs
[all …]
Dnvidia,tegra20-i2s.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra20-i2s.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 The I2S Controller streams synchronous serial audio data between system
15 - Thierry Reding <treding@nvidia.com>
16 - Jon Hunter <jonathanh@nvidia.com>
20 const: nvidia,tegra20-i2s
28 reset-names:
40 dma-names:
[all …]
Dsimple-card.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/sound/simple-card.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
14 frame-master:
15 description: Indicates dai-link frame master.
18 bitclock-master:
19 description: Indicates dai-link bit clock master
22 frame-inversion:
[all …]
/Documentation/devicetree/bindings/regulator/
Dfixed-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Fixed Voltage regulators
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
15 regulator.yaml, can also be used. However a fixed voltage regulator is
16 expected to have the regulator-min-microvolt and regulator-max-microvolt
20 - $ref: regulator.yaml#
[all …]
Drenesas,raa215300.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Biju Das <biju.das.jz@bp.renesas.com>
13 The RAA215300 is a high-performance, low-cost 9-channel PMIC designed for
14 32-bit and 64-bit MCU and MPU applications. It supports DDR3, DDR3L, DDR4,
16 built-in Real-Time Clock (RTC), 32kHz crystal oscillator, and coin cell
18 ideal for System-On-Module (SOM) applications. A spread spectrum feature
19 provides an ease-of-use solution for noise-sensitive audio or RF applications.
25 …-power-management/multi-channel-power-management-ics-pmics/ssdsoc-power-management-ics-pmic-and-pm…
[all …]
/Documentation/devicetree/bindings/mfd/
Dcirrus,lochnagar.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - patches@opensource.cirrus.com
15 Logic devices on mini-cards, as well as allowing connection of
17 platform. Audio system topology, clocking and power can all be
25 [2] include/dt-bindings/pinctrl/lochnagar.h
26 [3] include/dt-bindings/clock/lochnagar.h
28 And these documents for the required sub-node binding details:
29 [4] Clock: ../clock/cirrus,lochnagar.yaml
[all …]
Dcanaan,k210-sysctl.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mfd/canaan,k210-sysctl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Canaan Kendryte K210 System Controller
10 - Damien Le Moal <dlemoal@kernel.org>
13 Canaan Inc. Kendryte K210 SoC system controller which provides a
20 - const: canaan,k210-sysctl
21 - const: syscon
22 - const: simple-mfd
[all …]
/Documentation/devicetree/bindings/ptp/
Dfsl,ptp.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale QorIQ 1588 timer based PTP clock
10 - Frank Li <Frank.Li@nxp.com>
15 - enum:
16 - fsl,etsec-ptp
17 - fsl,fman-ptp-timer
18 - fsl,dpaa2-ptp
19 - items:
[all …]
/Documentation/devicetree/bindings/arm/calxeda/
Dhb-sregs.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/arm/calxeda/hb-sregs.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Calxeda Highbank system registers
10 The Calxeda Highbank system has a block of MMIO registers controlling
11 several generic system aspects. Those can be used to control some power
15 - Andre Przywara <andre.przywara@arm.com>
19 const: calxeda,hb-sregs
28 - compatible
[all …]
/Documentation/arch/arm64/
Damu.rst9 Date: 2019-09-10
16 ---------------------
22 counters intended for system management use. The AMU extension provides a
23 system register interface to the counter registers and also supports an
24 optional external memory-mapped interface.
27 of four fixed and architecturally defined 64-bit event counters.
29 - CPU cycle counter: increments at the frequency of the CPU.
30 - Constant counter: increments at the fixed frequency of the system
31 clock.
32 - Instructions retired: increments with every architecturally executed
[all …]
/Documentation/devicetree/bindings/arm/marvell/
Dap80x-system-controller.txt1 Marvell Armada AP80x System Controller
5 7K/8K/931x SoCs. It contains system controllers, which provide several
6 registers giving access to numerous features: clocks, pin-muxing and
8 these system controllers.
11 - compatible: must be: "syscon", "simple-mfd";
12 - reg: register area of the AP80x system controller
14 SYSTEM CONTROLLER 0
18 -------
21 The Device Tree node representing the AP806/AP807 system controller
24 - 0: reference clock of CPU cluster 0
[all …]
/Documentation/sound/soc/
Dclocking.rst9 Master Clock
10 ------------
12 Every audio subsystem is driven by a master clock (sometimes referred to as MCLK
13 or SYSCLK). This audio master clock can be derived from a number of sources
14 (e.g. crystal, PLL, CPU clock) and is responsible for producing the correct
18 their speed can be altered by software (depending on the system use and to save
19 power). Other master clocks are fixed at a set frequency (i.e. crystals).
23 ----------
24 The Digital Audio Interface is usually driven by a Bit Clock (often referred to
25 as BCLK). This clock is used to drive the digital audio data across the link
[all …]
/Documentation/devicetree/bindings/mmc/
Dmarvell,xenon-sdhci.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mmc/marvell,xenon-sdhci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 mmc-controller.yaml and the properties used by the Xenon implementation.
15 sets, clock and PHY.
20 - Ulf Hansson <ulf.hansson@linaro.org>
25 - enum:
26 - marvell,armada-cp110-sdhci
27 - marvell,armada-ap806-sdhci
[all …]
/Documentation/devicetree/bindings/usb/
Dusb-nop-xceiv.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/usb/usb-nop-xceiv.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
14 const: usb-nop-xceiv
19 clock-names:
22 clock-frequency: true
24 '#phy-cells':
27 vcc-supply:
[all …]
/Documentation/ABI/testing/
Dsysfs-firmware-acpi6 information for firmware performance data for system boot,
55 image: The image bitmap. Currently a 32-bit BMP.
93 cause -EINVAL to be returned.
100 the System Control Interrupt (SCI), which appears
106 well known (fixed feature) interrupts sources, such
185 ff_rt_clk Real Time Clock
191 invalid it's either a GPE or a Fixed Event that
194 disable the GPE/Fixed Event is valid but disabled.
196 enable the GPE/Fixed Event is valid and enabled.
208 of the system, they are simply statistics.
[all …]
/Documentation/timers/
Dtimekeeping.rst2 Clock sources, Clock events, sched_clock() and delay timers
10 If you grep through the kernel source you will find a number of architecture-
11 specific implementations of clock sources, clockevents and several likewise
12 architecture-specific overrides of the sched_clock() function and some
15 To provide timekeeping for your platform, the clock source provides
16 the basic timeline, whereas clock events shoot interrupts on certain points
17 on this timeline, providing facilities such as high-resolution timers.
22 Clock sources
23 -------------
25 The purpose of the clock source is to provide a timeline for the system that
[all …]

1234