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/linux/Documentation/devicetree/bindings/spi/
H A Dsnps,dw-apb-ssi.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/spi/snps,dw-apb-ssi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mark Brown <broonie@kernel.org>
13 - $ref: spi-controller.yaml#
14 - if:
19 - mscc,ocelot-spi
20 - mscc,jaguar2-spi
25 - if:
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H A Dspi-peripheral-props.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-peripheral-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Peripheral-specific properties for a SPI bus.
11 be common properties like spi-max-frequency, spi-cs-high, etc. or they could
12 be controller specific like delay in clock or data lines, etc. These
14 per-peripheral and there can be multiple peripherals attached to a
20 - Mark Brown <broonie@kernel.org>
28 - minimum: 0
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H A Dspi-rockchip.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-rockchip.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 - $ref: spi-controller.yaml#
17 - Heiko Stuebner <heiko@sntech.de>
23 - const: rockchip,rk3036-spi
24 - const: rockchip,rk3066-spi
25 - const: rockchip,rk3228-spi
26 - const: rockchip,rv1108-spi
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/linux/drivers/spi/
H A Dspi-dw-core.c1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/dma-mapping.h>
15 #include <linux/delay.h>
18 #include <linux/spi/spi-mem.h>
23 #include "spi-dw.h"
32 u32 rx_sample_dly; /* RX sample delay */
66 snprintf(name, 32, "dw_spi%d", dws->host->bus_num); in dw_spi_debugfs_init()
67 dws->debugfs = debugfs_create_dir(name, NULL); in dw_spi_debugfs_init()
69 dws->regset.regs = dw_spi_dbgfs_regs; in dw_spi_debugfs_init()
70 dws->regset.nregs = ARRAY_SIZE(dw_spi_dbgfs_regs); in dw_spi_debugfs_init()
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H A Dspi-rockchip.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Author: Addy Ke <addy.ke@rock-chips.com>
18 #define DRIVER_NAME "rockchip-spi"
67 /* ss_n to sclk_out delay */
158 * SPI_CTRLR1 is 16-bits, so we should support lengths of 0xffff + 1. However,
180 void *rx; member
196 bool cs_high_supported; /* native CS supports active-high polarity */
203 writel_relaxed((enable ? 1U : 0U), rs->regs + ROCKCHIP_SPI_SSIENR); in spi_enable_chip()
212 if (!(readl_relaxed(rs->regs + ROCKCHIP_SPI_SR) & SR_TARGET_TX_BUSY) && in wait_for_tx_idle()
213 !((readl_relaxed(rs->regs + ROCKCHIP_SPI_SR) & SR_BUSY))) in wait_for_tx_idle()
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/linux/drivers/iio/resolver/
H A Dad2s1200.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (c) 2018-2018 David Veenstra <davidjulianveenstra@gmail.com>
7 * Copyright (c) 2010-2010 Analog Devices Inc.
11 #include <linux/delay.h>
31 * struct ad2s1200_state - driver instance specific data.
32 * @lock: protects both the GPIO pins and the rx buffer.
34 * @sample: GPIO pin SAMPLE.
36 * @rx: buffer for spi transfers.
41 struct gpio_desc *sample; member
43 __be16 rx __aligned(IIO_DMA_MINALIGN);
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H A Dad2s1210.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2010-2010 Analog Devices Inc.
11 * ----------------------------|------|-------------------------------------------
23 * Resolution | D1:0 | *device tree: assigned-resolution-bits*
34 * ----------------------------------------|----|---------------------------------
53 #include <linux/delay.h>
143 /** GPIO pin connected to SAMPLE line. */
153 /* adi,fixed-mode property - only valid when mode_gpios == NULL. */
159 /** For reading raw sample value via SPI. */
163 } sample __aligned(IIO_DMA_MINALIGN);
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/linux/arch/arm64/boot/dts/microchip/
H A Dsparx5_nand.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 cs14_pins: cs14-pins {
14 pinctrl-0 = <&si2_pins>;
15 pinctrl-names = "default";
17 compatible = "spi-mux";
18 mux-controls = <&mux>;
19 #address-cells = <1>;
20 #size-cells = <0>;
23 compatible = "spi-nand";
24 pinctrl-0 = <&cs14_pins>;
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/linux/Documentation/networking/
H A Dpktgen.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Enable CONFIG_NET_PKTGEN to compile and build pktgen either in-kernel
11 suitable sample script and configure that.
31 overload type of benchmarking, as this could hurt the normal use-case.
35 # ethtool -G ethX tx 1024
43 TX ring cause delay. Drivers usually delay cleaning up the
44 ring-buffers for various performance reasons, and packets stalling
48 (Intel 82599 chip). This driver (ixgbe) combines TX+RX ring cleanups,
49 and the cleanup interval is affected by the ethtool --coalesce setting
50 of parameter "rx-usecs".
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H A Dcan.rst2 SocketCAN - Controller Area Network
20 .. _socketcan-motivation:
29 functionality. Usually, there is only a hardware-specific device
32 Queueing of frames and higher-level transport protocols like ISO-TP
34 character-device implementations support only one single process to
47 protocol family module and also vice-versa. Also, the protocol family
57 communicate using a specific transport protocol, e.g. ISO-TP, just
60 CAN-IDs, frames, etc.
62 Similar functionality visible from user-space could be provided by a
74 * **Abstraction:** In most existing character-device implementations, the
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H A Dtimestamping.rst1 .. SPDX-License-Identifier: GPL-2.0
32 IP_MULTICAST_LOOP + SO_TIMESTAMP[NS]
43 -------------------------------------------------------------
59 -------------------------------------------------------------------
62 Its struct timespec allows for higher resolution (ns) timestamps than the
72 ----------------------------------------------------------------------
102 Request rx timestamps generated by the network adapter.
105 Request rx timestamps when data enters the kernel. These timestamps
122 transmit latency is, if long, often dominated by queuing delay. The
131 grained measurement of queuing delay. This flag can be enabled
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/linux/arch/arm/boot/dts/st/
H A Dstm32mp157c-phycore-stm32mp15-som.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
3 * Copyright (C) 2022-2023 Steffen Trumtrar <kernel@pengutronix.de>
4 * Copyright (C) Phytec GmbH 2019-2020 - All Rights Reserved
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/leds/common.h>
13 #include <dt-bindings/leds/leds-pca9532.h>
14 #include <dt-bindings/mfd/st,stpmic1.h>
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/linux/arch/arm/boot/dts/allwinner/
H A Dsun8i-a83t.dtsi6 * This file is dual-licensed: you can use it either under the terms
45 #include <dt-bindings/interrupt-controller/arm-gic.h>
47 #include <dt-bindings/clock/sun8i-a83t-ccu.h>
48 #include <dt-bindings/clock/sun8i-de2.h>
49 #include <dt-bindings/clock/sun8i-r-ccu.h>
50 #include <dt-bindings/reset/sun8i-a83t-ccu.h>
51 #include <dt-bindings/reset/sun8i-de2.h>
52 #include <dt-bindings/reset/sun8i-r-ccu.h>
53 #include <dt-bindings/thermal/thermal.h>
56 interrupt-parent = <&gic>;
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/linux/arch/arm/boot/dts/rockchip/
H A Drv1108.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 #include <dt-bindings/gpio/gpio.h>
4 #include <dt-bindings/interrupt-controller/irq.h>
5 #include <dt-bindings/interrupt-controller/arm-gic.h>
6 #include <dt-bindings/clock/rv1108-cru.h>
7 #include <dt-bindings/pinctrl/rockchip.h>
8 #include <dt-bindings/thermal/thermal.h>
10 #address-cells = <1>;
11 #size-cells = <1>;
15 interrupt-parent = <&gic>;
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H A Drk3288.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 #include <dt-bindings/gpio/gpio.h>
4 #include <dt-bindings/interrupt-controller/irq.h>
5 #include <dt-bindings/interrupt-controller/arm-gic.h>
6 #include <dt-bindings/pinctrl/rockchip.h>
7 #include <dt-bindings/clock/rk3288-cru.h>
8 #include <dt-bindings/power/rk3288-power.h>
9 #include <dt-bindings/thermal/thermal.h>
10 #include <dt-bindings/soc/rockchip,boot-mode.h>
13 #address-cells = <2>;
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H A Drk322x.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 #include <dt-bindings/gpio/gpio.h>
4 #include <dt-bindings/interrupt-controller/irq.h>
5 #include <dt-bindings/interrupt-controller/arm-gic.h>
6 #include <dt-bindings/pinctrl/rockchip.h>
7 #include <dt-bindings/clock/rk3228-cru.h>
8 #include <dt-bindings/thermal/thermal.h>
9 #include <dt-bindings/power/rk3228-power.h>
12 #address-cells = <1>;
13 #size-cells = <1>;
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/linux/arch/arm/boot/dts/microchip/
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>
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/linux/drivers/net/phy/realtek/
H A Drealtek_main.c1 // SPDX-License-Identifier: GPL-2.0+
16 #include <linux/delay.h>
125 /* RTL822X_VND2_XXXXX registers are only accessible when phydev->is_c45
126 * is set, they cannot be accessed by C45-over-C22.
219 struct device *dev = &phydev->mdio.dev; in rtl821x_probe()
221 u32 phy_id = phydev->drv->phy_id; in rtl821x_probe()
226 return -ENOMEM; in rtl821x_probe()
228 priv->clk = devm_clk_get_optional_enabled(dev, NULL); in rtl821x_probe()
229 if (IS_ERR(priv->clk)) in rtl821x_probe()
230 return dev_err_probe(dev, PTR_ERR(priv->clk), in rtl821x_probe()
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/linux/arch/arm64/boot/dts/rockchip/
H A Dpx30.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/clock/px30-cru.h>
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
9 #include <dt-bindings/interrupt-controller/irq.h>
10 #include <dt-bindings/pinctrl/rockchip.h>
11 #include <dt-bindings/power/px30-power.h>
12 #include <dt-bindings/soc/rockchip,boot-mode.h>
13 #include <dt-bindings/thermal/thermal.h>
18 interrupt-parent = <&gic>;
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/linux/drivers/phy/rockchip/
H A Dphy-rockchip-usbdp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2021-2024 Rockchip Electronics Co., Ltd
9 #include <dt-bindings/phy/phy.h>
13 #include <linux/delay.h>
115 /* u2phy-grf */
119 /* usb-grf */
123 /* usbdpphy-grf */
129 /* vo-grf */
179 bool hs; /* flag for high-speed */
206 /* voltage swing 0, pre-emphasis 0->3 */
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/linux/drivers/net/wireless/ath/ath5k/
H A Dphy.c2 * Copyright (c) 2004-2007 Reyk Floeter <reyk@openbsd.org>
3 * Copyright (c) 2006-2009 Nick Kossifidis <mickflemm@gmail.com>
4 * Copyright (c) 2007-2008 Jiri Slaby <jirislaby@gmail.com>
5 * Copyright (c) 2008-2009 Felix Fietkau <nbd@openwrt.org>
27 #include <linux/delay.h>
42 * Here we handle the low-level functions related to baseband
48 * - Channel setting/switching
50 * - Automatic Gain Control (AGC) calibration
52 * - Noise Floor calibration
54 * - I/Q imbalance calibration (QAM correction)
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/linux/drivers/gpu/drm/bridge/analogix/
H A Danx7625.c1 // SPDX-License-Identifier: GPL-2.0-only
35 #include <media/v4l2-fwnode.h>
36 #include <sound/hdmi-codec.h>
50 struct device *dev = &client->dev; in i2c_access_workaround()
53 if (client == ctx->last_client) in i2c_access_workaround()
56 ctx->last_client = client; in i2c_access_workaround()
58 if (client == ctx->i2c.tcpc_client) in i2c_access_workaround()
60 else if (client == ctx->i2c.tx_p0_client) in i2c_access_workaround()
62 else if (client == ctx->i2c.tx_p1_client) in i2c_access_workaround()
64 else if (client == ctx->i2c.rx_p0_client) in i2c_access_workaround()
[all …]
/linux/drivers/ata/
H A Dpata_mpc52xx.c4 * libata driver for the Freescale MPC52xx on-chip IDE interface
7 * Copyright (C) 2003 Mipsys - Benjamin Herrenschmidt
20 #include <linux/delay.h>
68 /* ATAPI-4 PIO specs (in ns) */
77 #define CALC_CLKCYC(c,v) ((((v)+(c)-1)/(c)))
81 /* ATAPI-4 MDMA specs (in clocks) */
104 /* ATAPI-4 UDMA specs (in clocks) */
199 #define MPC52xx_ATA_DMAMODE_FE 0x10 /* FIFO Flush enable in Rx mode */
273 struct mpc52xx_ata_timings *timing = &priv->timings[dev]; in mpc52xx_ata_compute_pio_timings()
274 unsigned int ipb_period = priv->ipb_period; in mpc52xx_ata_compute_pio_timings()
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/linux/drivers/scsi/isci/
H A Dhost.c7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
100 * NORMALIZE_PUT_POINTER() -
110 * NORMALIZE_EVENT_POINTER() -
122 * NORMALIZE_GET_POINTER() -
131 * NORMALIZE_GET_POINTER_CYCLE_BIT() -
137 ((SMU_CQGR_CYCLE_BIT & (x)) << (31 - SMU_COMPLETION_QUEUE_GET_CYCLE_BIT_SHIFT))
140 * COMPLETION_QUEUE_CYCLE_BIT() -
152 sm->initial_state_id = initial_state; in sci_init_sm()
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/linux/drivers/net/ethernet/broadcom/bnx2x/
H A Dbnx2x_main.c3 * Copyright (c) 2007-2013 Broadcom Corporation
36 #include <linux/dma-mapping.h>
39 #include <linux/delay.h>
83 #define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
84 #define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
85 #define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
86 #define FW_FILE_NAME_E1_V15 "bnx2x/bnx2x-e1-" FW_FILE_VERSION_V15 ".fw"
87 #define FW_FILE_NAME_E1H_V15 "bnx2x/bnx2x-e1h-" FW_FILE_VERSION_V15 ".fw"
88 #define FW_FILE_NAME_E2_V15 "bnx2x/bnx2x-e2-" FW_FILE_VERSION_V15 ".fw"
117 MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
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