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/linux/drivers/pci/hotplug/
H A Dibmphp_res.c1 // SPDX-License-Identifier: GPL-2.0+
7 * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
49 newbus->busno = busno; in alloc_error_bus()
51 newbus->busno = curr->bus_num; in alloc_error_bus()
52 list_add_tail(&newbus->bus_list, &gbuses); in alloc_error_bus()
69 rs->busno = curr->bus_num; in alloc_resources()
70 rs->devfunc = curr->dev_fun; in alloc_resources()
71 rs->start = curr->start_addr; in alloc_resources()
72 rs->end = curr->end_addr; in alloc_resources()
73 rs->len = curr->end_addr - curr->start_addr + 1; in alloc_resources()
[all …]
/linux/drivers/of/
H A Daddress.c1 // SPDX-License-Identifier: GPL-2.0
17 #include <linux/dma-direct.h> /* for bus_dma_region */
26 /* Callbacks for bus specific translators */
33 u64 (*map)(__be32 *addr, const __be32 *range,
41 * Default translator (generic bus)
53 static u64 of_bus_default_map(__be32 *addr, const __be32 *range, in of_bus_default_map() argument
58 cp = of_read_number(range + fna, na - fna); in of_bus_default_map()
59 s = of_read_number(range + na + pna, ns); in of_bus_default_map()
60 da = of_read_number(addr + fna, na - fna); in of_bus_default_map()
66 return da - cp; in of_bus_default_map()
[all …]
/linux/drivers/pci/
H A Dof.c1 // SPDX-License-Identifier: GPL-2.0+
3 * PCI <-> OF mapping helpers
22 * pci_set_of_node - Find and set device's DT device_node
26 * DT. Returns -ENODEV if the device is present, but disabled in the DT.
30 if (!dev->bus->dev.of_node) in pci_set_of_node()
34 of_pci_find_child_device(dev->bus->dev.of_node, dev->devfn); in pci_set_of_node()
41 dev->bus->dev.of_node_reused = true; in pci_set_of_node()
43 device_set_node(&dev->dev, of_fwnode_handle(no_free_ptr(node))); in pci_set_of_node()
49 of_node_put(dev->dev.of_node); in pci_release_of_node()
50 device_set_node(&dev->dev, NULL); in pci_release_of_node()
[all …]
/linux/Documentation/hwmon/
H A Dtmp513.rst1 .. SPDX-License-Identifier: GPL-2.0
22 Eric Tremblay <etremblay@distech-controls.com>
25 -----------
28 The TMP512 (dual-channel) and TMP513 (triple-channel) are system monitors
29 that include remote sensors, a local temperature sensor, and a high-side current
31 temperatures, on-chip temperatures, and system voltage/power/current
34 The temperatures are measured in degrees Celsius with a range of
35 -40 to + 125 degrees with a resolution of 0.0625 degree C.
39 hysteresis value. The hysteresis is in degrees Celsius with a range of
44 **temp[1-4]_input**
[all …]
/linux/drivers/cdx/controller/
H A Dmc_cdx_pcol.h1 /* SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
22 * | | \--- Response
23 * | \------- Error
24 * \------------------------------ Resync (always set)
76 * - To advance a shared memory request if XFLAGS_EVREQ was set
77 * - As a notification (link state, i2c event), controlled
89 * - LEVEL==INFO Command succeeded
90 * - LEVEL==ERR Command failed
101 * non-existent MCDI command MC_CMD_DEBUG_LOG.
[all …]
/linux/drivers/pci/controller/
H A Dpci-xgene.c1 // SPDX-License-Identifier: GPL-2.0+
3 * APM X-Gene PCIe Driver
20 #include <linux/pci-acpi.h>
21 #include <linux/pci-ecam.h>
73 return readl(port->csr_base + reg); in xgene_pcie_readl()
78 writel(val, port->csr_base + reg); in xgene_pcie_writel()
86 static inline struct xgene_pcie *pcie_bus_to_port(struct pci_bus *bus) in pcie_bus_to_port() argument
91 return (struct xgene_pcie *)(bus->sysdata); in pcie_bus_to_port()
93 cfg = bus->sysdata; in pcie_bus_to_port()
94 return (struct xgene_pcie *)(cfg->priv); in pcie_bus_to_port()
[all …]
/linux/arch/sparc/kernel/
H A Dof_device_common.c1 // SPDX-License-Identifier: GPL-2.0-only
20 if (!op || index >= op->archdata.num_irqs) in irq_of_parse_and_map()
23 return op->archdata.irqs[index]; in irq_of_parse_and_map()
32 if (!op || index >= op->num_resources) in of_address_to_resource()
33 return -EINVAL; in of_address_to_resource()
35 memcpy(r, &op->archdata.resource[index], sizeof(*r)); in of_address_to_resource()
45 if (!op || index >= op->num_resources) in of_iomap()
48 r = &op->archdata.resource[index]; in of_iomap()
50 return of_ioremap(r, 0, resource_size(r), (char *) r->name); in of_iomap()
55 * BUS and propagate to all child platform_device objects.
[all …]
H A Dof_device_32.c1 // SPDX-License-Identifier: GPL-2.0
12 #include <linux/dma-mapping.h>
20 * PCI bus specific translator
29 * parent as-is, not with the PCI translate in of_bus_pci_match()
50 static int of_bus_pci_map(u32 *addr, const u32 *range, in of_bus_pci_map() argument
57 if ((addr[0] ^ range[0]) & 0x03000000) in of_bus_pci_map()
58 return -EINVAL; in of_bus_pci_map()
60 if (of_out_of_range(addr + 1, range + 1, range + na + pna, in of_bus_pci_map()
61 na - 1, ns)) in of_bus_pci_map()
62 return -EINVAL; in of_bus_pci_map()
[all …]
/linux/arch/riscv/boot/dts/sophgo/
H A Dsg2044-sophgo-srd3-10.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
6 /dts-v1/;
11 model = "Sophgo SG2044 SRD3-10";
12 compatible = "sophgo,srd3-10", "sophgo,sg2044";
22 stdout-path = "serial1:115200n8";
27 clock-frequency = <25000000>;
31 bus-width = <4>;
32 no-sdio;
33 no-sd;
34 non-removable;
[all …]
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-cxl1 What: /sys/bus/cxl/flush
4 Contact: linux-cxl@vger.kernel.org
11 What: /sys/bus/cxl/devices/memX/firmware_version
14 Contact: linux-cxl@vger.kernel.org
17 Memory Device Output Payload in the CXL-2.0
21 What: /sys/bus/cxl/devices/memX/payload_max
24 Contact: linux-cxl@vger.kernel.org
31 What: /sys/bus/cxl/devices/memX/label_storage_size
34 Contact: linux-cxl@vger.kernel.org
39 What: /sys/bus/cxl/devices/memX/ram/size
[all …]
H A Dsysfs-bus-dax1 What: /sys/bus/dax/devices/daxX.Y/align
10 What: /sys/bus/dax/devices/daxX.Y/mapping
15 (WO) Provides a way to allocate a mapping range under a dax
16 device. Specified in the format <start>-<end>.
18 What: /sys/bus/dax/devices/daxX.Y/mapping[0..N]/start
19 What: /sys/bus/dax/devices/daxX.Y/mapping[0..N]/end
20 What: /sys/bus/dax/devices/daxX.Y/mapping[0..N]/page_offset
28 start physical address for the given range. The 'end' attribute
29 indicates the end physical address for the given range. The
31 range in the dax device.
[all …]
/linux/Documentation/devicetree/bindings/pci/
H A Drenesas,pci-rcar-gen2.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/renesas,pci-rcar-gen2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marek Vasut <marek.vasut+renesas@gmail.com>
11 - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
21 - items:
22 - enum:
23 - renesas,pci-r8a7742 # RZ/G1H
24 - renesas,pci-r8a7743 # RZ/G1M
[all …]
H A Dqcom,pcie-sa8255p.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/qcom,pcie-sa8255p.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <andersson@kernel.org>
11 - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
19 const: qcom,pcie-sa8255p
24 Configuration Space, as accessed from the parent bus. The base
25 address corresponds to the first bus in the "bus-range" property. If
26 no "bus-range" is specified, this will be bus 0 (the default).
[all …]
H A Dhost-generic-pci.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/host-generic-pci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Will Deacon <will@kernel.org>
13 Firmware-initialised PCI host controllers and PCI emulations, such as the
14 virtio-pci implementations found in kvmtool and other para-virtualised
21 Configuration Space is assumed to be memory-mapped (as opposed to being
23 geography of a PCI bus address by concatenating the various components to
26 For CAM, this 24-bit offset is:
[all …]
H A Dmediatek-pcie.txt4 - compatible: Should contain one of the following strings:
5 "mediatek,mt2701-pcie"
6 "mediatek,mt2712-pcie"
7 "mediatek,mt7622-pcie"
8 "mediatek,mt7623-pcie"
9 "mediatek,mt7629-pcie"
10 "airoha,en7523-pcie"
11 - device_type: Must be "pci"
12 - reg: Base addresses and lengths of the root ports.
13 - reg-names: Names of the above areas to use during resource lookup.
[all …]
/linux/drivers/bus/
H A Duniphier-system-bus.c1 // SPDX-License-Identifier: GPL-2.0-or-later
14 /* System Bus Controller registers */
43 dev_dbg(priv->dev, in uniphier_system_bus_add_bank()
44 "range found: bank = %d, addr = %08x, paddr = %08llx, size = %08x\n", in uniphier_system_bus_add_bank()
47 if (bank >= ARRAY_SIZE(priv->bank)) { in uniphier_system_bus_add_bank()
48 dev_err(priv->dev, "unsupported bank number %d\n", bank); in uniphier_system_bus_add_bank()
49 return -EINVAL; in uniphier_system_bus_add_bank()
52 if (priv->bank[bank].base || priv->bank[bank].end) { in uniphier_system_bus_add_bank()
53 dev_err(priv->dev, in uniphier_system_bus_add_bank()
54 "range for bank %d has already been specified\n", bank); in uniphier_system_bus_add_bank()
[all …]
/linux/Documentation/input/devices/
H A Dcma3000_d0x.rst1 CMA3000-D0x Accelerometer
5 * VTI CMA3000-D0x
8 CMA3000-D0X Product Family Specification 8281000A.02.pdf
15 -----------
17 CMA3000 Tri-axis accelerometer supports Motion detect, Measurement and
38 Initial configuration for bus mode is set in non volatile memory and can later
39 be modified through bus interface command.
47 -------------
59 G range in milli g i.e 2000 or 8000
65 Motion detect g range threshold value
[all …]
/linux/drivers/parisc/
H A Dlba_pci.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 ** PCI Lower Bus Adapter (LBA) manager
7 ** (c) Copyright 1999,2000 Hewlett-Packard Company
11 ** This module primarily provides access to PCI bus (config/IOport
12 ** spaces) on platforms with an SBA/LBA chipset. A/B/C/J/L/N-class
13 ** with 4 digit model numbers - eg C3000 (and A400...sigh).
20 ** (d) play nicely with both PAT and "Legacy" PA-RISC firmware (PDC).
27 ** FIXME: Add support for PCI card hot-plug (OLARD).
46 #include <asm/parisc-device.h>
53 #undef DEBUG_LBA_CFG /* debug Config Space Access (ie PCI Bus walk) */
[all …]
/linux/arch/arm64/boot/dts/hisilicon/
H A Dhi3798cv200.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2016-2017 HiSilicon Technologies Co., Ltd.
8 #include <dt-bindings/clock/histb-clock.h>
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/phy/phy.h>
12 #include <dt-bindings/reset/ti-syscon.h>
16 interrupt-parent = <&gic>;
17 #address-cells = <2>;
18 #size-cells = <2>;
[all …]
/linux/virt/kvm/
H A Dkvm_main.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Kernel-based Virtual Machine (KVM) Hypervisor
74 MODULE_DESCRIPTION("Kernel-based Virtual Machine (KVM) Hypervisor");
82 /* Default doubles per-vcpu halt_poll_ns. */
92 /* Default halves per-vcpu halt_poll_ns. */
107 * kvm->lock --> kvm->slots_lock --> kvm->irq_lock
132 * - Prevent a compat task from opening /dev/kvm
133 * - If the open has been done by a 64bit task, and the KVM fd
137 unsigned long arg) { return -EINVAL; } in kvm_no_compat_ioctl()
141 return is_compat_task() ? -ENODEV : 0; in kvm_no_compat_open()
[all …]
/linux/arch/arm64/boot/dts/apple/
H A Dt8112-j473.dts1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
5 * target-type: J473
10 /dts-v1/;
13 #include "t8112-jxxx.dtsi"
16 compatible = "apple,j473", "apple,t8112", "apple,arm-platform";
25 * Force the bus number assignments so that we can declare some of the
26 * on-board devices and properties that are populated by the bootloader
30 bus-range = <1 1>;
34 bus-range = <2 2>;
39 bus-range = <3 3>;
[all …]
/linux/Documentation/devicetree/bindings/i2c/
H A Daspeed,i2c.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rayn Chen <rayn_chen@aspeedtech.com>
13 - $ref: /schemas/i2c/i2c-controller.yaml#
18 - aspeed,ast2400-i2c-bus
19 - aspeed,ast2500-i2c-bus
20 - aspeed,ast2600-i2c-bus
25 - description: address offset and range of bus
26 - description: address offset and range of bus buffer
[all …]
/linux/Documentation/PCI/
H A Dacpi-info.rst1 .. SPDX-License-Identifier: GPL-2.0
39 If the OS is expected to manage a non-discoverable device described via
46 they forward down to the PCI bus, as well as registers of the host bridge
48 things like secondary/subordinate bus registers that determine the bus
49 range below the bridge, window registers that describe the apertures, etc.
50 These are all device-specific, non-architected things, so the only way a
52 the device-specific details. The host bridge registers also include ECAM
66 bridge registers (including ECAM space) in PNP0C02 catch-all devices [6].
67 With the exception of ECAM, the bridge register space is device-specific
78 PNP0C02 "motherboard" devices are basically a catch-all. There's no
[all …]
/linux/arch/arm/boot/dts/marvell/
H A Darmada-xp-mv78460.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
13 #include "armada-xp.dtsi"
17 compatible = "marvell,armadaxp-mv78460", "marvell,armadaxp", "marvell,armada-370-xp";
27 #address-cells = <1>;
28 #size-cells = <0>;
29 enable-method = "marvell,armada-xp-smp";
33 compatible = "marvell,sheeva-v7";
36 clock-latency = <1000000>;
41 compatible = "marvell,sheeva-v7";
[all …]
/linux/Documentation/devicetree/bindings/misc/
H A Difm-csi.txt1 IFM camera sensor interface on mpc5200 LocalPlus bus
4 - compatible: "ifm,o2d-csi"
5 - reg: specifies sensor chip select number and associated address range
6 - interrupts: external interrupt line number and interrupt sense mode
8 - gpios: three gpio-specifiers for "capture", "reset" and "master enable"
10 - ifm,csi-clk-handle: the phandle to a node in the DT describing the sensor
12 - ifm,csi-addr-bus-width: address bus width (valid values are 16, 24, 25)
13 - ifm,csi-data-bus-width: data bus width (valid values are 8 and 16)
14 - ifm,csi-wait-cycles: sensor bus wait cycles
17 - ifm,csi-byte-swap: if this property is present, the byte swapping on
[all …]

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