| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/bus/ |
| D | simple-pm-bus.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/bus/simple-pm-bus.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Simple Power-Managed Bus
10 - Geert Uytterhoeven <geert+renesas@glider.be>
13 A Simple Power-Managed Bus is a transparent bus that doesn't need a real
16 However, its bus controller is part of a PM domain, or under the control
17 of a functional clock. Hence, the bus controller's PM domain and/or
18 clock must be enabled for child devices connected to the bus (either
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| D | renesas,bsc.yaml | 2 ---
3 $id: http://devicetree.org/schemas/bus/renesas,bsc.yaml#
4 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 title: Renesas Bus State Controller (BSC)
9 - Geert Uytterhoeven <geert+renesas@glider.be>
12 The Renesas Bus State Controller (BSC, sometimes called "LBSC within Bus
13 Bridge", or "External Bus Interface") can be found in several Renesas ARM
14 SoCs. It provides an external bus for connecting multiple external
18 While the BSC is a fairly simple memory-mapped bus, it may be part of a
19 PM domain, and may have a gateable functional clock. Before a device
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/bus/ |
| D | simple-pm-bus.txt | 1 Simple Power-Managed Bus
4 A Simple Power-Managed Bus is a transparent bus that doesn't need a real
7 However, its bus controller is part of a PM domain, or under the control of a
8 functional clock. Hence, the bus controller's PM domain and/or clock must be
9 enabled for child devices connected to the bus (either on-SoC or externally)
12 While "simple-pm-bus" follows the "simple-bus" set of properties, as specified
13 in the Devicetree Specification, it is not an extension of "simple-bus".
17 - compatible: Must contain at least "simple-pm-bus".
18 Must not contain "simple-bus".
20 vendor-specific compatible values.
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| D | renesas,bsc.txt | 1 Renesas Bus State Controller (BSC)
4 The Renesas Bus State Controller (BSC, sometimes called "LBSC within Bus
5 Bridge", or "External Bus Interface") can be found in several Renesas ARM SoCs.
6 It provides an external bus for connecting multiple external devices to the
9 While the BSC is a fairly simple memory-mapped bus, it may be part of a PM
11 Before a device connected to the BSC can be accessed, the PM domain
15 The bindings for the BSC extend the bindings for "simple-pm-bus".
19 - compatible: Must contain an SoC-specific value, and "renesas,bsc" and
20 "simple-pm-bus" as fallbacks.
21 SoC-specific values can be:
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| /kernel/linux/linux-5.10/drivers/bus/ |
| D | simple-pm-bus.c | 2 * Simple Power-Managed Bus Driver
4 * Copyright (C) 2014-2015 Glider bvba
19 const struct device *dev = &pdev->dev; in simple_pm_bus_probe()
20 struct device_node *np = dev->of_node; in simple_pm_bus_probe()
25 * transparent bus device which has a different compatible string in simple_pm_bus_probe()
27 * of the simple-pm-bus tasks for these devices, so return early. in simple_pm_bus_probe()
29 if (pdev->driver_override) in simple_pm_bus_probe()
32 match = of_match_device(dev->driver->of_match_table, dev); in simple_pm_bus_probe()
34 * These are transparent bus devices (not simple-pm-bus matches) that in simple_pm_bus_probe()
40 if (match && match->data) { in simple_pm_bus_probe()
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
3 # Bus Devices
6 menu "Bus devices"
24 bool "ARM Integrator Logic Module bus"
29 Say y here to enable support for the ARM Logic Module bus
33 bool "Broadcom STB GISB bus arbiter"
37 Driver for the Broadcom Set Top Box System-on-a-chip internal bus
39 and internal bus master decoding.
42 bool "Baikal-T1 APB-bus driver"
46 Baikal-T1 AXI-APB bridge is used to access the SoC subsystem CSRs.
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| D | Makefile | 1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for the bus drivers.
6 # Interconnect bus drivers for ARM platforms
7 obj-$(CONFIG_ARM_CCI) += arm-cci.o
8 obj-$(CONFIG_ARM_INTEGRATOR_LM) += arm-integrator-lm.o
9 obj-$(CONFIG_HISILICON_LPC) += hisi_lpc.o
10 obj-$(CONFIG_BRCMSTB_GISB_ARB) += brcmstb_gisb.o
11 obj-$(CONFIG_MOXTET) += moxtet.o
13 # DPAA2 fsl-mc bus
14 obj-$(CONFIG_FSL_MC_BUS) += fsl-mc/
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| /kernel/linux/linux-4.19/drivers/bus/ |
| D | simple-pm-bus.c | 2 * Simple Power-Managed Bus Driver
4 * Copyright (C) 2014-2015 Glider bvba
19 struct device_node *np = pdev->dev.of_node; in simple_pm_bus_probe()
21 dev_dbg(&pdev->dev, "%s\n", __func__); in simple_pm_bus_probe()
23 pm_runtime_enable(&pdev->dev); in simple_pm_bus_probe()
26 of_platform_populate(np, NULL, NULL, &pdev->dev); in simple_pm_bus_probe()
33 dev_dbg(&pdev->dev, "%s\n", __func__); in simple_pm_bus_remove()
35 pm_runtime_disable(&pdev->dev); in simple_pm_bus_remove()
40 { .compatible = "simple-pm-bus", },
49 .name = "simple-pm-bus",
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
3 # Bus Devices
6 menu "Bus devices"
24 bool "Broadcom STB GISB bus arbiter"
28 Driver for the Broadcom Set Top Box System-on-a-chip internal bus
30 and internal bus master decoding.
38 Count bus on the HiSilicon Hip06/7 SoC.
45 The WEIM(Wireless External Interface Module) works like a bus.
52 Driver needed for the MIPS Common Device Memory Map bus in MIPS
53 cores. This bus is for per-CPU tightly coupled devices such as the
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| D | Makefile | 1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for the bus drivers.
6 # Interconnect bus drivers for ARM platforms
7 obj-$(CONFIG_ARM_CCI) += arm-cci.o
9 obj-$(CONFIG_HISILICON_LPC) += hisi_lpc.o
10 obj-$(CONFIG_BRCMSTB_GISB_ARB) += brcmstb_gisb.o
12 # DPAA2 fsl-mc bus
13 obj-$(CONFIG_FSL_MC_BUS) += fsl-mc/
15 obj-$(CONFIG_IMX_WEIM) += imx-weim.o
16 obj-$(CONFIG_MIPS_CDMM) += mips_cdmm.o
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/remoteproc/ |
| D | wkup_m3_rproc.txt | 4 The TI AM33xx and AM43xx family of devices use a small Cortex M3 co-processor
13 within the SoC. It is added as a child node of the parent interconnect bus
17 --------------------
18 - compatible: Should be one of,
19 "ti,am3352-wkup-m3" for AM33xx SoCs
20 "ti,am4372-wkup-m3" for AM43xx SoCs
21 - reg: Should contain the address ranges for the two internal
24 translating these into bus addresses.
25 - reg-names: Contains the corresponding names for the two memory
27 - ti,hwmods: Name of the hwmod associated with the wkupm3 device.
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| D | ti,k3-r5f-rproc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/ti,k3-r5f-rproc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Suman Anna <s-anna@ti.com>
13 The TI K3 family of SoCs usually have one or more dual-core Arm Cortex R5F
20 Each Dual-Core R5F sub-system is represented as a single DTS node
33 - ti,am654-r5fss
34 - ti,j721e-r5fss
36 power-domains:
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/remoteproc/ |
| D | wkup_m3_rproc.txt | 4 The TI AM33xx and AM43xx family of devices use a small Cortex M3 co-processor
13 within the SoC. It is added as a child node of the parent interconnect bus
17 --------------------
18 - compatible: Should be one of,
19 "ti,am3352-wkup-m3" for AM33xx SoCs
20 "ti,am4372-wkup-m3" for AM43xx SoCs
21 - reg: Should contain the address ranges for the two internal
24 translating these into bus addresses.
25 - reg-names: Contains the corresponding names for the two memory
27 - ti,hwmods: Name of the hwmod associated with the wkupm3 device.
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/soc/dove/ |
| D | pmu.txt | 4 - compatible: value should be "marvell,dove-pmu".
5 May also include "simple-bus" if there are child devices, in which
7 - reg: two base addresses and sizes of the PM controller and PMU.
8 - interrupts: single interrupt number for the PMU interrupt
9 - interrupt-controller: must be specified as the PMU itself is an
11 - #interrupt-cells: must be 1.
12 - #reset-cells: must be 1.
13 - domains: sub-node containing domain descriptions
16 - ranges: defines the address mapping for child devices, as per the
18 "simple-bus".
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/soc/dove/ |
| D | pmu.txt | 4 - compatible: value should be "marvell,dove-pmu".
5 May also include "simple-bus" if there are child devices, in which
7 - reg: two base addresses and sizes of the PM controller and PMU.
8 - interrupts: single interrupt number for the PMU interrupt
9 - interrupt-controller: must be specified as the PMU itself is an
11 - #interrupt-cells: must be 1.
12 - #reset-cells: must be 1.
13 - domains: sub-node containing domain descriptions
16 - ranges: defines the address mapping for child devices, as per the
18 "simple-bus".
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/soc/ti/ |
| D | wkup_m3_ipc.txt | 4 The TI AM33xx and AM43xx family of devices use a small Cortex M3 co-processor
7 C-states for CPU Idle. Once the wkup_m3_ipc driver uses the wkup_m3_rproc driver
10 API to allow the SoC PM code to execute specific PM tasks.
18 --------------------
19 - compatible: Should be,
20 "ti,am3352-wkup-m3-ipc" for AM33xx SoCs
21 "ti,am4372-wkup-m3-ipc" for AM43xx SoCs
22 - reg: Contains the IPC register address space to communicate
24 - interrupts: Contains the interrupt information for the wkup_m3
26 - ti,rproc: phandle to the wkup_m3 rproc node so the IPC driver
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/soc/ti/ |
| D | wkup_m3_ipc.txt | 4 The TI AM33xx and AM43xx family of devices use a small Cortex M3 co-processor
7 C-states for CPU Idle. Once the wkup_m3_ipc driver uses the wkup_m3_rproc driver
10 API to allow the SoC PM code to execute specific PM tasks.
18 --------------------
19 - compatible: Should be,
20 "ti,am3352-wkup-m3-ipc" for AM33xx SoCs
21 "ti,am4372-wkup-m3-ipc" for AM43xx SoCs
22 - reg: Contains the IPC register address space to communicate
24 - interrupts: Contains the interrupt information for the wkup_m3
26 - ti,rproc: phandle to the wkup_m3 rproc node so the IPC driver
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| /kernel/linux/linux-5.10/arch/arm64/boot/dts/allwinner/ |
| D | sun50i-h6-beelink-gs1.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 /dts-v1/;
6 #include "sun50i-h6.dtsi"
7 #include "sun50i-h6-cpu-opp.dtsi"
9 #include <dt-bindings/gpio/gpio.h>
13 compatible = "azw,beelink-gs1", "allwinner,sun50i-h6";
21 stdout-path = "serial0:115200n8";
25 compatible = "hdmi-connector";
27 ddc-en-gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
31 remote-endpoint = <&hdmi_out_con>;
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| /kernel/linux/linux-4.19/arch/arm/boot/dts/ |
| D | am33xx.dtsi | 4 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/pinctrl/am33xx.h>
13 #include <dt-bindings/clock/am3.h>
17 interrupt-parent = <&intc>;
18 #address-cells = <1>;
19 #size-cells = <1>;
32 d-can0 = &dcan0;
33 d-can1 = &dcan1;
45 #address-cells = <1>;
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| /kernel/linux/linux-4.19/Documentation/driver-api/pm/ |
| D | devices.rst | 15 Copyright (c) 2010-2011 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
20 management (PM) code is also driver-specific. Most drivers will do very
24 This writeup gives an overview of how drivers interact with system-wide
27 background for the domain-specific work you'd do with any specific driver.
33 Drivers will use one or both of these models to put devices into low-power
38 Drivers can enter low-power states as part of entering system-wide
39 low-power states like "suspend" (also known as "suspend-to-RAM"), or
41 "suspend-to-disk").
43 This is something that device, bus, and class drivers collaborate on
44 by implementing various role-specific suspend and resume methods to
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| /kernel/linux/linux-5.10/Documentation/driver-api/pm/ |
| D | devices.rst | 1 .. SPDX-License-Identifier: GPL-2.0
10 :Copyright: |copy| 2010-2011 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
18 management (PM) code is also driver-specific. Most drivers will do very
22 This writeup gives an overview of how drivers interact with system-wide
25 background for the domain-specific work you'd do with any specific driver.
31 Drivers will use one or both of these models to put devices into low-power
36 Drivers can enter low-power states as part of entering system-wide
37 low-power states like "suspend" (also known as "suspend-to-RAM"), or
39 "suspend-to-disk").
41 This is something that device, bus, and class drivers collaborate on
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| /kernel/linux/linux-5.10/arch/arm/mach-ux500/ |
| D | cpu-db8500.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2008-2009 ST-Ericsson SA
10 #include <linux/amba/bus.h>
14 #include <linux/irqchip/arm-gic.h>
15 #include <linux/mfd/dbx500-prcmu.h>
16 #include <linux/platform_data/arm-ux500-pm.h>
25 #include <asm/hardware/cache-l2x0.h>
29 #include "db8500-regs.h"
38 np = of_find_compatible_node(NULL, NULL, "arm,pl310-cache"); in ux500_l2x0_unlock()
42 return -ENODEV; in ux500_l2x0_unlock()
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| /kernel/linux/linux-4.19/arch/arm64/boot/dts/marvell/ |
| D | armada-37xx.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 * Gregory CLEMENT <gregory.clement@free-electrons.com>
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
16 interrupt-parent = <&gic>;
17 #address-cells = <2>;
18 #size-cells = <2>;
25 reserved-memory {
26 #address-cells = <2>;
27 #size-cells = <2>;
34 psci-area@4000000 {
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| /kernel/linux/linux-5.10/drivers/usb/serial/ |
| D | bus.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * USB Serial Converter Bus specific functions
5 * Copyright (C) 2002 Greg Kroah-Hartman (greg@kroah.com)
24 * a simple check here. in usb_serial_device_match()
32 if (driver == port->serial->type) in usb_serial_device_match()
48 return -ENODEV; in usb_serial_device_probe()
51 retval = usb_autopm_get_interface(port->serial->interface); in usb_serial_device_probe()
55 driver = port->serial->type; in usb_serial_device_probe()
56 if (driver->port_probe) { in usb_serial_device_probe()
57 retval = driver->port_probe(port); in usb_serial_device_probe()
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| /kernel/linux/linux-4.19/drivers/usb/serial/ |
| D | bus.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * USB Serial Converter Bus specific functions
5 * Copyright (C) 2002 Greg Kroah-Hartman (greg@kroah.com)
24 * a simple check here. in usb_serial_device_match()
32 if (driver == port->serial->type) in usb_serial_device_match()
48 return -ENODEV; in usb_serial_device_probe()
51 retval = usb_autopm_get_interface(port->serial->interface); in usb_serial_device_probe()
55 driver = port->serial->type; in usb_serial_device_probe()
56 if (driver->port_probe) { in usb_serial_device_probe()
57 retval = driver->port_probe(port); in usb_serial_device_probe()
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