Searched +full:dma +full:- +full:controller (Results 1 – 25 of 1066) sorted by relevance
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/dma/ |
| D | dma.txt | 1 * Generic DMA Controller and DMA request bindings
3 Generic binding to provide a way for a driver using DMA Engine to retrieve the
4 DMA request or channel information that goes from a hardware device to a DMA
5 controller.
8 * DMA controller
11 - #dma-cells: Must be at least 1. Used to provide DMA controller
12 specific information. See DMA client binding below for
16 - dma-channels: Number of DMA channels supported by the controller.
17 - dma-requests: Number of DMA request signals supported by the
18 controller.
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| D | mmp-dma.txt | 1 * MARVELL MMP DMA controller
3 Marvell Peripheral DMA Controller
7 - compatible: Should be "marvell,pdma-1.0"
8 - reg: Should contain DMA registers location and length.
9 - interrupts: Either contain all of the per-channel DMA interrupts
13 - #dma-channels: Number of DMA channels supported by the controller (defaults
15 - #dma-requests: Number of DMA requestor lines supported by the controller
18 "marvell,pdma-1.0"
26 * while DMA controller may not able to distinguish the irq channel
27 * Using this method, interrupt-parent is required as demuxer
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| D | sun6i-dma.txt | 1 Allwinner A31 DMA Controller
3 This driver follows the generic DMA bindings defined in dma.txt.
7 - compatible: Must be one of
8 "allwinner,sun6i-a31-dma"
9 "allwinner,sun8i-a23-dma"
10 "allwinner,sun8i-a83t-dma"
11 "allwinner,sun8i-h3-dma"
12 "allwinner,sun8i-v3s-dma"
13 - reg: Should contain the registers base address and length
14 - interrupts: Should contain a reference to the interrupt used by this device
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| D | ste-dma40.txt | 1 * DMA40 DMA Controller
4 - compatible: "stericsson,dma40"
5 - reg: Address range of the DMAC registers
6 - reg-names: Names of the above areas to use during resource look-up
7 - interrupt: Should contain the DMAC interrupt number
8 - #dma-cells: must be <3>
9 - memcpy-channels: Channels to be used for memcpy
12 - dma-channels: Number of channels supported by hardware - if not present
14 - disabled-channels: Channels which can not be used
18 dma: dma-controller@801c0000 {
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| D | mpc512x-dma.txt | 1 * Freescale MPC512x and MPC8308 DMA Controller
3 The DMA controller in Freescale MPC512x and MPC8308 SoCs can move
7 Refer to "Generic DMA Controller and DMA request bindings" in
8 the dma/dma.txt file for a more detailed description of binding.
11 - compatible: should be "fsl,mpc5121-dma" or "fsl,mpc8308-dma";
12 - reg: should contain the DMA controller registers location and length;
13 - interrupt for the DMA controller: syntax of interrupt client node
14 is described in interrupt-controller/interrupts.txt file.
15 - #dma-cells: the length of the DMA specifier, must be <1>.
16 Each channel of this DMA controller has a peripheral request line,
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| D | owl-dma.txt | 1 * Actions Semi Owl SoCs DMA controller
3 This binding follows the generic DMA bindings defined in dma.txt.
6 - compatible: Should be "actions,s900-dma".
7 - reg: Should contain DMA registers location and length.
8 - interrupts: Should contain 4 interrupts shared by all channel.
9 - #dma-cells: Must be <1>. Used to represent the number of integer
11 - dma-channels: Physical channels supported.
12 - dma-requests: Number of DMA request signals supported by the controller.
13 Refer to Documentation/devicetree/bindings/dma/dma.txt
14 - clocks: Phandle and Specifier of the clock feeding the DMA controller.
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| D | stm32-dma.txt | 1 * STMicroelectronics STM32 DMA controller
3 The STM32 DMA is a general-purpose direct memory access controller capable of
4 supporting 8 independent DMA channels. Each channel can have up to 8 requests.
7 - compatible: Should be "st,stm32-dma"
8 - reg: Should contain DMA registers location and length. This should include
9 all of the per-channel registers.
10 - interrupts: Should contain all of the per-channel DMA interrupts in
11 ascending order with respect to the DMA channel index.
12 - clocks: Should contain the input clock of the DMA instance.
13 - #dma-cells : Must be <4>. See DMA client paragraph for more details.
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| D | sprd-dma.txt | 1 * Spreadtrum DMA controller
3 This binding follows the generic DMA bindings defined in dma.txt.
6 - compatible: Should be "sprd,sc9860-dma".
7 - reg: Should contain DMA registers location and length.
8 - interrupts: Should contain one interrupt shared by all channel.
9 - #dma-cells: must be <1>. Used to represent the number of integer
11 - #dma-channels : Number of DMA channels supported. Should be 32.
12 - clock-names: Should contain the clock of the DMA controller.
13 - clocks: Should contain a clock specifier for each entry in clock-names.
17 Controller:
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| D | sirfsoc-dma.txt | 1 * CSR SiRFSoC DMA controller
3 See dma.txt first
6 - compatible: Should be "sirf,prima2-dmac", "sirf,atlas7-dmac" or
7 "sirf,atlas7-dmac-v2"
8 - reg: Should contain DMA registers location and length.
9 - interrupts: Should contain one interrupt shared by all channel
10 - #dma-cells: must be <1>. used to represent the number of integer
12 - clocks: clock required
16 Controller:
17 dmac0: dma-controller@b00b0000 {
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| /kernel/linux/linux-5.10/drivers/dma/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # DMA engine configuration
7 bool "DMA Engine support"
10 DMA engines can do asynchronous data transfers without
14 DMA Device drivers supported by the configured arch, it may
18 bool "DMA Engine debugging"
22 say N here. This enables DMA engine core and driver debugging.
25 bool "DMA Engine verbose debugging"
30 the DMA engine core and drivers.
35 comment "DMA Devices"
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| D | of-dma.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Device tree helpers for DMA request / controller
7 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
24 * of_dma_find_controller - Get a DMA controller in DT DMA helpers list
25 * @dma_spec: pointer to DMA specifier as found in the device tree
27 * Finds a DMA controller with matching device node and number for dma cells
28 * in a list of registered DMA controllers. If a match is found a valid pointer
29 * to the DMA data stored is retuned. A NULL pointer is returned if no match is
37 if (ofdma->of_node == dma_spec->np) in of_dma_find_controller()
40 pr_debug("%s: can't find DMA controller %pOF\n", __func__, in of_dma_find_controller()
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| D | acpi-dma.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * ACPI helpers for DMA request / controller
5 * Based on of-dma.c
13 #include <linux/dma-mapping.h>
29 * acpi_dma_parse_resource_group - match device and parse resource group
32 * @adma: struct acpi_dma of the given DMA controller
50 if (grp->shared_info_length != sizeof(struct acpi_csrt_shared_info)) in acpi_dma_parse_resource_group()
51 return -ENODEV; in acpi_dma_parse_resource_group()
59 if (resource_type(rentry->res) == IORESOURCE_MEM) in acpi_dma_parse_resource_group()
60 mem = rentry->res->start; in acpi_dma_parse_resource_group()
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| /kernel/linux/linux-4.19/drivers/dma/ |
| D | Kconfig | 2 # DMA engine configuration
6 bool "DMA Engine support"
9 DMA engines can do asynchronous data transfers without
13 DMA Device drivers supported by the configured arch, it may
17 bool "DMA Engine debugging"
21 say N here. This enables DMA engine core and driver debugging.
24 bool "DMA Engine verbose debugging"
29 the DMA engine core and drivers.
34 comment "DMA Devices"
63 Enable support for Altera / Intel mSGDMA controller.
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| D | of-dma.c | 2 * Device tree helpers for DMA request / controller
6 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
25 * of_dma_find_controller - Get a DMA controller in DT DMA helpers list
26 * @dma_spec: pointer to DMA specifier as found in the device tree
28 * Finds a DMA controller with matching device node and number for dma cells
29 * in a list of registered DMA controllers. If a match is found a valid pointer
30 * to the DMA data stored is retuned. A NULL pointer is returned if no match is
38 if (ofdma->of_node == dma_spec->np) in of_dma_find_controller()
41 pr_debug("%s: can't find DMA controller %pOF\n", __func__, in of_dma_find_controller()
42 dma_spec->np); in of_dma_find_controller()
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/powerpc/fsl/ |
| D | dma.txt | 1 * Freescale DMA Controllers
3 ** Freescale Elo DMA Controller
4 This is a little-endian 4-channel DMA controller, used in Freescale mpc83xx
9 - compatible : must include "fsl,elo-dma"
10 - reg : DMA General Status Register, i.e. DGSR which contains
11 status for all the 4 DMA channels
12 - ranges : describes the mapping between the address space of the
13 DMA channels and the address space of the DMA controller
14 - cell-index : controller index. 0 for controller @ 0x8100
15 - interrupts : interrupt specifier for DMA IRQ
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/powerpc/fsl/ |
| D | dma.txt | 1 * Freescale DMA Controllers
3 ** Freescale Elo DMA Controller
4 This is a little-endian 4-channel DMA controller, used in Freescale mpc83xx
9 - compatible : must include "fsl,elo-dma"
10 - reg : DMA General Status Register, i.e. DGSR which contains
11 status for all the 4 DMA channels
12 - ranges : describes the mapping between the address space of the
13 DMA channels and the address space of the DMA controller
14 - cell-index : controller index. 0 for controller @ 0x8100
15 - interrupts : interrupt specifier for DMA IRQ
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/dma/ |
| D | mmp-dma.txt | 1 * MARVELL MMP DMA controller
3 Marvell Peripheral DMA Controller
7 - compatible: Should be "marvell,pdma-1.0"
8 - reg: Should contain DMA registers location and length.
9 - interrupts: Either contain all of the per-channel DMA interrupts
13 - #dma-channels: Number of DMA channels supported by the controller (defaults
15 - #dma-requests: Number of DMA requestor lines supported by the controller
18 "marvell,pdma-1.0"
26 * while DMA controller may not able to distinguish the irq channel
27 * Using this method, interrupt-parent is required as demuxer
[all …]
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| D | ste-dma40.txt | 1 * DMA40 DMA Controller
4 - compatible: "stericsson,dma40"
5 - reg: Address range of the DMAC registers
6 - reg-names: Names of the above areas to use during resource look-up
7 - interrupt: Should contain the DMAC interrupt number
8 - #dma-cells: must be <3>
9 - memcpy-channels: Channels to be used for memcpy
12 - dma-channels: Number of channels supported by hardware - if not present
14 - disabled-channels: Channels which can not be used
18 dma: dma-controller@801c0000 {
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| D | mpc512x-dma.txt | 1 * Freescale MPC512x and MPC8308 DMA Controller
3 The DMA controller in Freescale MPC512x and MPC8308 SoCs can move
7 Refer to "Generic DMA Controller and DMA request bindings" in
8 the dma/dma.txt file for a more detailed description of binding.
11 - compatible: should be "fsl,mpc5121-dma" or "fsl,mpc8308-dma";
12 - reg: should contain the DMA controller registers location and length;
13 - interrupt for the DMA controller: syntax of interrupt client node
14 is described in interrupt-controller/interrupts.txt file.
15 - #dma-cells: the length of the DMA specifier, must be <1>.
16 Each channel of this DMA controller has a peripheral request line,
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| D | owl-dma.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/dma/owl-dma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Actions Semi Owl SoCs DMA controller
10 The OWL DMA is a general-purpose direct memory access controller capable of
11 supporting 10 and 12 independent DMA channels for S700 and S900 SoCs
15 - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
18 - $ref: "dma-controller.yaml#"
23 - actions,s900-dma
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| D | st,stm32-dma.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/st,stm32-dma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: STMicroelectronics STM32 DMA Controller bindings
10 The STM32 DMA is a general-purpose direct memory access controller capable of
11 supporting 8 independent DMA channels. Each channel can have up to 8 requests.
12 DMA clients connected to the STM32 DMA controller must use the format
13 described in the dma.txt file, using a four-cell specifier for each
14 channel: a phandle to the DMA controller plus the following four integer cells:
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| D | sprd-dma.txt | 1 * Spreadtrum DMA controller
3 This binding follows the generic DMA bindings defined in dma.txt.
6 - compatible: Should be "sprd,sc9860-dma".
7 - reg: Should contain DMA registers location and length.
8 - interrupts: Should contain one interrupt shared by all channel.
9 - #dma-cells: must be <1>. Used to represent the number of integer
11 - #dma-channels : Number of DMA channels supported. Should be 32.
12 - clock-names: Should contain the clock of the DMA controller.
13 - clocks: Should contain a clock specifier for each entry in clock-names.
17 Controller:
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| D | sirfsoc-dma.txt | 1 * CSR SiRFSoC DMA controller
3 See dma.txt first
6 - compatible: Should be "sirf,prima2-dmac", "sirf,atlas7-dmac" or
7 "sirf,atlas7-dmac-v2"
8 - reg: Should contain DMA registers location and length.
9 - interrupts: Should contain one interrupt shared by all channel
10 - #dma-cells: must be <1>. used to represent the number of integer
12 - clocks: clock required
16 Controller:
17 dmac0: dma-controller@b00b0000 {
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| /kernel/linux/linux-5.10/Documentation/core-api/ |
| D | dma-isa-lpc.rst | 2 DMA with ISA and LPC devices
7 This document describes how to do DMA transfers using the old ISA DMA
8 controller. Even though ISA is more or less dead today the LPC bus
9 uses the same DMA system so it will be around for quite some time.
12 ------------------------
14 To do ISA style DMA you need to include two headers::
16 #include <linux/dma-mapping.h>
17 #include <asm/dma.h>
19 The first is the generic DMA API used to convert virtual addresses to
20 bus addresses (see :doc:`/core-api/dma-api` for details).
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| /kernel/linux/linux-4.19/Documentation/ |
| D | DMA-ISA-LPC.txt | 2 DMA with ISA and LPC devices
7 This document describes how to do DMA transfers using the old ISA DMA
8 controller. Even though ISA is more or less dead today the LPC bus
9 uses the same DMA system so it will be around for quite some time.
12 ------------------------
14 To do ISA style DMA you need to include two headers::
16 #include <linux/dma-mapping.h>
17 #include <asm/dma.h>
19 The first is the generic DMA API used to convert virtual addresses to
20 bus addresses (see Documentation/DMA-API.txt for details).
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