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/openbmc/linux/Documentation/devicetree/bindings/serial/
H A Datmel,at91-usart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/serial/atmel,at91-usart.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Richard Genoud <richard.genoud@gmail.com>
16 - enum:
17 - atmel,at91rm9200-usart
18 - atmel,at91sam9260-usart
19 - items:
20 - const: atmel,at91rm9200-dbgu
[all …]
H A Dfsl-imx-uart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/serial/fsl-imx-uart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Fabio Estevam <festevam@gmail.com>
13 - $ref: serial.yaml#
14 - $ref: rs485.yaml#
19 - const: fsl,imx1-uart
20 - const: fsl,imx21-uart
21 - items:
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/openbmc/linux/arch/arm/boot/dts/microchip/
H A Dsam9x60.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * sam9x60.dtsi - Device Tree Include file for Microchip SAM9X60 SoC
10 #include <dt-bindings/dma/at91.h>
11 #include <dt-bindings/pinctrl/at91.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/clock/at91.h>
15 #include <dt-bindings/mfd/at91-usart.h>
16 #include <dt-bindings/mfd/atmel-flexcom.h>
19 #address-cells = <1>;
[all …]
H A Dat91-kizbox3_common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * at91-kizbox3.dts - Device Tree Include file for Overkiz Kizbox 3
12 /dts-v1/;
14 #include "sama5d2-pinfunc.h"
15 #include <dt-bindings/gpio/gpio.h>
16 #include <dt-bindings/mfd/atmel-flexcom.h>
17 #include <dt-bindings/pinctrl/at91.h>
18 #include <dt-bindings/pwm/pwm.h>
36 stdout-path = "serial1:115200n8";
41 clock-frequency = <32768>;
[all …]
H A Dat91-sama5d27_wlsom1_ek.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * at91-sama5d27_wlsom1_ek.dts - Device Tree file for SAMA5D27 WLSOM1 EK
9 /dts-v1/;
10 #include "at91-sama5d27_wlsom1.dtsi"
11 #include <dt-bindings/input/input.h>
15 …compatible = "microchip,sama5d27-wlsom1-ek", "microchip,sama5d27-wlsom1", "atmel,sama5d27", "atmel…
26 stdout-path = "serial0:115200n8";
29 gpio-keys {
30 compatible = "gpio-keys";
32 pinctrl-names = "default";
[all …]
H A Dsama7g5.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * sama7g5.dtsi - Device Tree Include file for SAMA7G5 family SoC
12 #include <dt-bindings/iio/adc/at91-sama5d2_adc.h>
13 #include <dt-bindings/interrupt-controller/irq.h>
14 #include <dt-bindings/interrupt-controller/arm-gic.h>
15 #include <dt-bindings/clock/at91.h>
16 #include <dt-bindings/dma/at91.h>
17 #include <dt-bindings/gpio/gpio.h>
18 #include <dt-bindings/mfd/at91-usart.h>
19 #include <dt-bindings/nvmem/microchip,sama7g5-otpc.h>
[all …]
H A Dat91-wb50n.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * at91-wb50n.dtsi - Device Tree include file for wb50n cpu module
12 model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";
17 stdout-path = "serial0:115200n8";
38 clock-frequency = <32768>;
42 clock-frequency = <12000000>;
46 atmel,osc-bypass;
50 pinctrl-names = "default";
51 pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>;
52 cd-gpios = <&pioC 26 GPIO_ACTIVE_LOW>;
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/openbmc/linux/Documentation/devicetree/bindings/sound/
H A Ddavinci-mcasp-audio.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/davinci-mcasp-audio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jayesh Choudhary <j-choudhary@ti.com>
15 - ti,dm646x-mcasp-audio
16 - ti,da830-mcasp-audio
17 - ti,am33xx-mcasp-audio
18 - ti,dra7-mcasp-audio
19 - ti,omap4-mcasp-audio
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H A Dbrcm,bcm2835-i2s.txt4 - compatible: "brcm,bcm2835-i2s"
5 - reg: Should contain PCM registers location and length.
6 - clocks: the (PCM) clock to use
7 - dmas: List of DMA controller phandle and DMA request line ordered pairs.
8 - dma-names: Identifier string for each DMA request line in the dmas property.
11 One of the DMA channels will be responsible for transmission (should be
12 named "tx") and one for reception (should be named "rx").
17 compatible = "brcm,bcm2835-i2s";
21 dmas = <&dma 2>,
22 <&dma 3>;
[all …]
H A Drockchip,i2s-tdm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/rockchip,i2s-tdm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
15 - Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
18 - $ref: dai-common.yaml#
23 - rockchip,px30-i2s-tdm
24 - rockchip,rk1808-i2s-tdm
25 - rockchip,rk3308-i2s-tdm
26 - rockchip,rk3568-i2s-tdm
[all …]
H A Dfsl,spdif.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Shengjiu Wang <shengjiu.wang@nxp.com>
20 - fsl,imx35-spdif
21 - fsl,vf610-spdif
22 - fsl,imx6sx-spdif
23 - fsl,imx8qm-spdif
24 - fsl,imx8qxp-spdif
25 - fsl,imx8mq-spdif
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/openbmc/linux/Documentation/networking/device_drivers/ethernet/stmicro/
H A Dstmmac.rst1 .. SPDX-License-Identifier: GPL-2.0+
13 - In This Release
14 - Feature List
15 - Kernel Configuration
16 - Command Line Parameters
17 - Driver Information and Notes
18 - Debug Information
19 - Support
33 (and older) and DesignWare(R) Cores Ethernet Quality-of-Service version 4.0
35 DesignWare(R) Cores XGMAC - 10G Ethernet MAC and DesignWare(R) Cores
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/openbmc/linux/drivers/net/wireless/broadcom/brcm80211/brcmsmac/
H A Ddma.h4 * Permission to use, copy, modify, and/or distribute this software for any
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 #define DMA_TX 1 /* TX direction for DMA */
26 #define DMA_RX 2 /* RX direction for DMA */
28 /* DMA structure:
29 * support two DMA engines: 32 bits address or 64 bit addressing
30 * basic DMA register set is per channel(transmit or receive)
45 /* dma registers per channel(xmt or rcv) */
49 u32 addrlow; /* desc ring base address low 32-bits (8K aligned) */
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/openbmc/linux/Documentation/devicetree/bindings/dma/
H A Dk3dma.txt1 * Hisilicon K3 DMA controller
3 See dma.txt first
6 - compatible: Must be one of
7 - "hisilicon,k3-dma-1.0"
8 - "hisilicon,hisi-pcm-asp-dma-1.0"
9 - reg: Should contain DMA registers location and length.
10 - interrupts: Should contain one interrupt shared by all channel
11 - #dma-cells: see dma.txt, should be 1, para number
12 - dma-channels: physical channels supported
13 - dma-requests: virtual channels supported, each virtual channel
[all …]
H A Dingenic,dma.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/ingenic,dma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Ingenic SoCs DMA Controller
10 - Paul Cercueil <paul@crapouillou.net>
13 - $ref: dma-controller.yaml#
18 - enum:
19 - ingenic,jz4740-dma
20 - ingenic,jz4725b-dma
[all …]
H A Datmel-dma.txt1 * Atmel Direct Memory Access Controller (DMA)
4 - compatible: Should be "atmel,<chip>-dma".
5 - reg: Should contain DMA registers location and length.
6 - interrupts: Should contain DMA interrupt.
7 - #dma-cells: Must be <2>, used to represent the number of integer cells in
12 dma0: dma@ffffec00 {
13 compatible = "atmel,at91sam9g45-dma";
16 #dma-cells = <2>;
19 DMA clients connected to the Atmel DMA controller must use the format
20 described in the dma.txt file, using a three-cell specifier for each channel:
[all …]
/openbmc/linux/drivers/mailbox/
H A Dbcm-pdc-mailbox.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * offload engines. For example, the PDC driver works with both SPU-M and SPU2
24 * an rx interrupt indicates a response is ready, the PDC driver processes numd
25 * descriptors from the tx and rx ring, thus processing one response at a time.
42 #include <linux/mailbox/brcm-message.h>
44 #include <linux/dma-direction.h>
45 #include <linux/dma-mapping.h>
52 /* # entries in PDC dma ring */
73 #define PREVTXD(i, max_mask) TXD((i) - 1, (max_mask))
75 #define PREVRXD(i, max_mask) RXD((i) - 1, (max_mask))
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/openbmc/linux/Documentation/devicetree/bindings/net/
H A Dsnps,dwmac.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexandre Torgue <alexandre.torgue@foss.st.com>
11 - Giuseppe Cavallaro <peppe.cavallaro@st.com>
12 - Jose Abreu <joabreu@synopsys.com>
23 - snps,dwmac
24 - snps,dwmac-3.40a
25 - snps,dwmac-3.50a
26 - snps,dwmac-3.610
[all …]
H A Dxlnx,axi-ethernet.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/xlnx,axi-ethernet.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
13 segments of memory for buffering TX and RX, as well as the capability of
14 offloading TX/RX checksum calculation off the processor.
17 sent and received through means of an AXI DMA controller. This driver
18 includes the DMA driver code, so this driver is incompatible with AXI DMA
22 - Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
27 - xlnx,axi-ethernet-1.00.a
[all …]
/openbmc/linux/Documentation/devicetree/bindings/soc/ti/
H A Dkeystone-navigator-dma.txt1 Keystone Navigator DMA Controller
3 This document explains the device tree bindings for the packet dma
4 on keystone devices. The Keystone Navigator DMA driver sets up the dma
8 CRYPTO Engines etc has its own instance of dma hardware. QMSS has also
9 an internal packet DMA module which is used as an infrastructure DMA
12 Navigator DMA cloud layout:
13 ------------------
15 ------------------
17 |-> DMA instance #0
19 |-> DMA instance #1
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/openbmc/linux/drivers/net/wireless/ath/ath5k/
H A Ddma.c2 * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org>
3 * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com>
5 * Permission to use, copy, modify, and distribute this software for any
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 * DMA and interrupt masking functions *
24 * DOC: DMA and interrupt masking functions
26 * Here we setup descriptor pointers (rxdp/txdp) start/stop dma engine and
44 * ath5k_hw_start_rx_dma() - Start DMA receive
55 * ath5k_hw_stop_rx_dma() - Stop DMA receive
[all …]
/openbmc/linux/arch/arm/boot/dts/axis/
H A Dartpec6.dtsi2 * Device Tree Source for the Axis ARTPEC-6 SoC
4 * This file is dual-licensed: you can use it either under the terms
24 * restriction, including without limitation the rights to use,
39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
43 #include <dt-bindings/interrupt-controller/arm-gic.h>
44 #include <dt-bindings/dma/nbpfaxi.h>
45 #include <dt-bindings/clock/axis,artpec6-clkctrl.h>
48 #address-cells = <1>;
49 #size-cells = <1>;
51 interrupt-parent = <&intc>;
[all …]
/openbmc/linux/drivers/spi/
H A Dspi-au1550.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 #include <linux/dma-mapping.h>
23 #include <asm/mach-au1x00/au1000.h>
24 #include <asm/mach-au1x00/au1xxx_psc.h>
25 #include <asm/mach-au1x00/au1xxx_dbdma.h>
27 #include <asm/mach-au1x00/au1550_spi.h>
50 u8 *rx; member
76 /* we use an 8-bit memory device for dma transfers to/from spi fifo */
87 static int ddma_memid; /* id to above mem dma device */
103 u32 mainclk_hz = hw->pdata->mainclk_hz; in au1550_spi_baudcfg()
[all …]
/openbmc/linux/include/net/page_pool/
H A Dtypes.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 #include <linux/dma-direction.h>
9 #define PP_FLAG_DMA_MAP BIT(0) /* Should page_pool do the DMA
14 * DMA-synced-for-device according to
17 * Please note DMA-sync-for-CPU is still
29 * use-case. The NAPI budget is 64 packets. After a NAPI poll the RX
33 * Keeping room for more objects, is due to XDP_DROP use-case. As
47 * struct page_pool_params - page pool parameters
52 * @dev: device, for DMA pre-mapping purposes
54 * @dma_dir: DMA mapping direction
[all …]
/openbmc/linux/drivers/net/ethernet/intel/iavf/
H A Diavf_txrx.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
24 * iavf_unmap_and_free_tx_resource - Release a Tx buffer
31 if (tx_buffer->skb) { in iavf_unmap_and_free_tx_resource()
32 if (tx_buffer->tx_flags & IAVF_TX_FLAGS_FD_SB) in iavf_unmap_and_free_tx_resource()
33 kfree(tx_buffer->raw_buf); in iavf_unmap_and_free_tx_resource()
35 dev_kfree_skb_any(tx_buffer->skb); in iavf_unmap_and_free_tx_resource()
37 dma_unmap_single(ring->dev, in iavf_unmap_and_free_tx_resource()
38 dma_unmap_addr(tx_buffer, dma), in iavf_unmap_and_free_tx_resource()
42 dma_unmap_page(ring->dev, in iavf_unmap_and_free_tx_resource()
[all …]

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