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/openbmc/linux/drivers/usb/typec/tcpm/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 tristate "USB Type-C Port Controller Manager"
9 The Type-C Port Controller Manager provides a USB PD and USB Type-C
10 state machine for use with Type-C Port Controllers.
15 tristate "Type-C Port Controller Interface driver"
19 Type-C Port Controller driver for TCPCI-compliant controller.
24 tristate "Richtek RT1711H Type-C chip driver"
26 Richtek RT1711H Type-C chip driver that works with
27 Type-C Port Controller Manager to provide USB PD and USB
28 Type-C functionalities.
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/openbmc/linux/Documentation/devicetree/bindings/usb/
H A Dmediatek,mt6370-tcpc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/mediatek,mt6370-tcpc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediatTek MT6370 Type-C Port Switch and Power Delivery controller
10 - ChiYuan Huang <cy_huang@richtek.com>
13 MediaTek MT6370 is a multi-functional device.
16 This document only describes MT6370 Type-C Port Switch and
22 - mediatek,mt6370-tcpc
29 $ref: /schemas/connector/usb-connector.yaml#
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H A Dmediatek,mt6360-tcpc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/mediatek,mt6360-tcpc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Mediatek MT6360 Type-C Port Switch and Power Delivery controller
10 - ChiYuan Huang <cy_huang@richtek.com>
13 Mediatek MT6360 is a multi-functional device. It integrates charger, ADC, flash, RGB indicators,
15 This document only describes MT6360 Type-C Port Switch and Power Delivery controller.
20 - mediatek,mt6360-tcpc
25 interrupt-names:
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/openbmc/linux/Documentation/devicetree/bindings/mfd/
H A Dhi6421.txt1 * HI6421 Multi-Functional Device (MFD), by HiSilicon Ltd.
4 - compatible : One of the following chip-specific strings:
5 "hisilicon,hi6421-pmic";
6 "hisilicon,hi6421v530-pmic";
7 - reg : register range space of hi6421;
9 Supported Hi6421 sub-devices include:
12 ------ --------- ------------ -----------
20 compatible = "hisilicon,hi6421-pmic";
26 regulator-name = "VOUT0";
27 regulator-min-microvolt = <2850000>;
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H A Dcirrus,madera.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Cirrus Logic Madera class audio CODECs Multi-Functional Device
10 - patches@opensource.cirrus.com
23 - $ref: /schemas/pinctrl/cirrus,madera.yaml#
24 - $ref: /schemas/regulator/wlf,arizona.yaml#
25 - $ref: /schemas/sound/cirrus,madera.yaml#
26 - if:
31 - cirrus,cs47l85
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/openbmc/linux/drivers/clk/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
59 Low-Noise JESD204B Compliant Clock Jitter Cleaner With Dual Loop PLLs
88 These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each.
98 multi-function device has one fixed-rate oscillator, clocked
129 be pre-programmed to support other configurations and features not yet
178 This driver supports TI CDCE706 programmable 3-PLL clock synthesizer.
196 For example, the CDCE925 contains two PLLs with spread-spectrum
206 tristate "Clock driver for CS2000 Fractional-N Clock Synthesizer & Clock Multiplier"
277 clock. These multi-function devices have two (S2MPS14) or three
278 (S2MPS11, S5M8767) fixed-rate oscillators, clocked at 32KHz each.
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/openbmc/docs/designs/
H A Dcode-update.md10 [phosphor-bmc-code-mgmt](https://github.com/openbmc/phosphor-bmc-code-mgmt)
12 1. Current code update flow is complex as it involves 3 different daemons -
23 - [phosphor-bmc-cod
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/openbmc/linux/Documentation/arch/arm/
H A Dmarvell.rst13 ------------
16 - 88F5082
17 - 88F5181 a.k.a Orion-1
18 - 88F5181L a.k.a Orion-VoIP
19 - 88F5182 a.k.a Orion-NAS
21 …- Datasheet: https://web.archive.org/web/20210124231420/http://csclub.uwaterloo.ca/~board/ts7800/M…
22 …- Programmer's User Guide: https://web.archive.org/web/20210124231536/http://csclub.uwaterloo.ca/~…
23 …- User Manual: https://web.archive.org/web/20210124231631/http://csclub.uwaterloo.ca/~board/ts7800…
24 …- Functional Errata: https://web.archive.org/web/20210704165540/https://www.digriz.org.uk/ts78xx/8…
25 - 88F5281 a.k.a Orion-2
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/openbmc/qemu/include/hw/misc/
H A Dnpcm7xx_mft.h42 * struct NPCM7xxMFTState - Multi Functional Tachometer device state.
66 #define TYPE_NPCM7XX_MFT "npcm7xx-mft"
/openbmc/linux/Documentation/devicetree/bindings/pinctrl/
H A Datmel,at91-pinctrl.txt4 to share one PAD to several functional blocks. The sharing is done by
10 Please refer to pinctrl-bindings.txt in this directory for details of the
18 such as pull-up, multi drive, etc.
21 - compatible: "atmel,at91rm9200-pinctrl" or "atmel,at91sam9x5-pinctrl"
22 or "atmel,sama5d3-pinctrl" or "microchip,sam9x60-pinctrl"
23 - atmel,mux-mask: array of mask (periph per bank) to describe if a pin can be
45 From the datasheet Table 10-2.
83 - atmel,pins: 4 integers array, represents a group of pins mux and config
90 MULTIDRIVE (1 << 1): indicate this pin needs to be configured as multi-drive.
91 Multi-drive is equivalent to open-drain type output.
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/openbmc/linux/drivers/phy/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
23 Generic MIPI D-PHY support.
25 Provides a number of helpers a core functions for MIPI D-PHY
47 tristate "APM X-Gene 15Gbps PHY support"
51 This option enables support for APM X-Gene SoC multi-purpose PHY.
62 interface to interact with USB GEN-II and USB 3.x PHY that is part
72 functional modes using gpios and sets the attribute max link
/openbmc/linux/Documentation/driver-api/
H A Dslimbus.rst9 ----------------
12 configuration, and is a 2-wire multi-drop implementation (clock, and data).
15 (System-on-Chip) and peripheral components (typically codec). SLIMbus uses
16 Time-Division-Multiplexing to accommodate multiple data channels, and
24 A data channel is used for data-transfer between 2 SLIMbus devices. Data
28 ---------------------
36 Framer device is responsible for clocking the bus, and transmitting frame-sync
49 responsible to select the active-framer for clocking the bus.
55 Each device has a 6-byte enumeration-address and the manager assigns every
56 device with a 1-byte logical address after the devices report presence on the
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H A Dmen-chameleon-bus.rst31 ----------------------
38 -----------------------------------------
44 - Multi-resource MCB devices like the VME Controller or M-Module carrier.
45 - MCB devices that need another MCB device, like SRAM for a DMA Controller's
47 - A per-carrier IRQ domain for carrier devices that have one (or more) IRQs
48 per MCB device like PCIe based carriers with MSI or MSI-X support.
53 MCB is divided into 3 functional blocks:
55 - The MEN Chameleon Bus itself,
56 - drivers for MCB Carrier Devices and
57 - the parser for the Chameleon table.
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H A Dinterconnect.rst1 .. SPDX-License-Identifier: GPL-2.0
8 ------------
12 latency and priority between multiple interconnected devices or functional
19 components or functional blocks in chipsets. There can be multiple interconnects
20 on an SoC that can be multi-tiered.
22 Below is a simplified diagram of a real-world SoC interconnect bus topology.
26 +----------------+ +----------------+
27 | HW Accelerator |--->| M NoC |<---------------+
28 +----------------+ +----------------+ |
29 | | +------------+
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/openbmc/linux/Documentation/userspace-api/media/
H A Dglossary.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
51 **Field-programmable Gate Array**
56 See https://en.wikipedia.org/wiki/Field-programmable_gate_array.
65 together make a larger user-facing functional peripheral. For
73 **Inter-Integrated Circuit**
75 A multi-master, multi-slave, packet switched, single-ended,
77 like sub-device hardware components.
79 See http://www.nxp.com/docs/en/user-guide/UM10204.pdf.
113 - :term:`CEC API`;
114 - :term:`Digital TV API`;
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/openbmc/linux/Documentation/devicetree/bindings/sound/
H A Drenesas,rsnd.txt1 Renesas R-Car sound
7 Renesas R-Car and RZ/G sound is constructed from below modules
11 - SRC : Sampling Rate Converter
12 - CMD
13 - CTU : Channel Transfer Unit
14 - MIX : Mixer
15 - DVC : Digital Volume and Mute Function
22 * Multi channel
25 Multi channel is supported by Multi-SSI, or TDM-SSI.
27 Multi-SSI : 6ch case, you can use stereo x 3 SSI
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/openbmc/bmcweb/
H A Dmeson.options20 'vm-websocket',
29 'redfish-use-3-digit-messageid',
36 removed Q2-2025''',
47 # 'vm-nbdproxy',
58 description: '''Enable Phosphor REST (D-Bus) APIs. Paths directly map
59 Phosphor D-Bus object paths, for example,
61 https://github.com/openbmc/docs/blob/master/rest-api.md.''',
75 'host-serial-socket',
84 'static-hosting',
93 'redfish-bmc-journal',
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/openbmc/u-boot/drivers/ddr/marvell/a38x/
H A Dddr3_training_leveling.c1 // SPDX-License-Identifier: GPL-2.0
55 for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) in ddr3_tip_dynamic_read_leveling()
59 for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) { in ddr3_tip_dynamic_read_leveling()
60 VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id); in ddr3_tip_dynamic_read_leveling()
81 * assuming non multi-CS configuration in ddr3_tip_dynamic_read_leveling()
82 * write to CS = 0 for the non multi CS configuration, note in ddr3_tip_dynamic_read_leveling()
118 for (if_id = 0; if_id <= MAX_INTERFACE_NUM - 1; if_id++) { in ddr3_tip_dynamic_read_leveling()
119 VALIDATE_IF_ACTIVE(tm->if_act_mask, if_id); in ddr3_tip_dynamic_read_leveling()
121 tm->interface_params[if_id].speed_bin_index; in ddr3_tip_dynamic_read_leveling()
187 /* disable odpg; switch back to functional mode */ in ddr3_tip_dynamic_read_leveling()
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/openbmc/linux/Documentation/PCI/
H A Dpci-error-recovery.rst1 .. SPDX-License-Identifier: GPL-2.0
8 :Authors: - Linas Vepstas <linasvepstas@gmail.com>
9 - Richard Lary <rlary@us.ibm.com>
10 - Mike Mason <mmlnx@us.ibm.com>
16 chipsets are able to deal with these errors; these include PCI-E chipsets,
17 and the PCI-host bridges found on IBM Power4, Power5 and Power6-based
32 including multiple instances of a device driver on multi-function
34 waiting for some i/o-space register to change, when it never will.
39 is forced by the need to handle multi-function devices, that is,
42 of reset it desires, the choices being a simple re-enabling of I/O
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/openbmc/linux/Documentation/devicetree/bindings/thermal/
H A Dsamsung,exynos-thermal.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/samsung,exynos-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 For multi-instance tmu each instance should have an alias correctly numbered
19 - samsung,exynos3250-tmu
20 - samsung,exynos4412-tmu
21 - samsung,exynos4210-tmu
22 - samsung,exynos5250-tmu
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/openbmc/phosphor-dbus-interfaces/yaml/xyz/openbmc_project/Software/
H A DREADME.md8 1. _ImageManager_ - This is a process which manages a collection of, likely
11 2. _ItemUpdater_ - This is a process which manages specific storage elements,
34 likely listen for standard D-Bus signals to identify new images being created.
57 _ItemUpdater_ should create `Software.Activation` interfaces as a sub-path of
71 implementation specific, algorithm for the `<id>` portion of a D-Bus path for
76 `echo <Version.Version> <Compatible.Names> | sha512sum | cut -b 1-8`
89 appropriate hardware. This lead to an ever-increasing set of `Purpose`
106 - `<org>.Software.Element.<identifier>.Type.<type>`
110 - `<org>` corresponds to the organization owning the `<identifier>`, such as
112 - `<identifier>` is a unique name for the element, such as `SystemFoo` or
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/openbmc/linux/Documentation/devicetree/bindings/regulator/
H A Drichtek,rtq2208.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alina Yu <alina_yu@richtek.com>
13 RTQ2208 is a highly integrated power converter that offers functional safety dual
14 multi-configurable synchronous buck converters and two LDOs.
16 Bucks support "regulator-allowed-modes" and "regulator-mode". The former defines the permitted
25 0 - Auto mode for power saving, which reducing the switching frequency at light load condition
27 …1 - FCCM to meet the strict voltage regulation accuracy, which keeping constant switching frequenc…
35 - richtek,rtq2208
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/openbmc/entity-manager/
H A DCONFIG_FORMAT.md13 - Configuration files will get replicated and built to support hundreds of
19 - Reactor writers tend to be domain experts on their subsystem, and
30 - Hardware constraints, bugs, and oddities are generally found over time. The
35 - Having separate config files reduces the number of platforms that need to
39 - Having one config file per piece of hardware makes it much easier and clear
41 - Note: This is a "guideline" not a "rule". There are many cases of hardware
44 - Example: SAS modules and cards made by the same company, on the same
46 - Non-Example: Power supplies. While all pmbus power supplies appear
51 3. Configuration files are not a long-term stable ABI. Why?
53 - Configuration files occasionally need to modify their schema in pursuit of
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/openbmc/linux/Documentation/networking/devlink/
H A Dmlx5.rst1 .. SPDX-License-Identifier: GPL-2.0
13 .. list-table:: Generic parameters implemented
15 * - Name
16 - Mode
17 - Validation
18 * - ``enable_roce``
19 - driverinit
20 - Type: Boolean
26 * - ``io_eq_size``
27 - driverinit
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/openbmc/linux/Documentation/driver-api/rapidio/
H A Drio_cm.rst19 This driver (RIO_CM) provides to user-space applications shared access to
23 messaging mailboxes in case of multi-packet message (up to 4KB) and
24 up to 64 mailboxes if single-packet messages (up to 256 B) are used. In addition
30 capability to large number of user-space processes by introducing socket-like
39 Following ioctl commands are available to user-space applications:
41 - RIO_CM_MPORT_GET_LIST:
46 - RIO_CM_EP_GET_LIST_SIZE:
49 - RIO_CM_EP_GET_LIST:
53 - RIO_CM_CHAN_CREATE:
56 - RIO_CM_CHAN_BIND:
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