| /kernel/linux/linux-4.19/drivers/iio/gyro/ |
| D | adxrs450.c | 6 * Licensed under the GPL-2.
11 #include <linux/delay.h>
15 #include <linux/spi/spi.h>
26 /* The MSB for the spi commands */
68 * struct adxrs450_state - device instance specific data
69 * @us: actual spi_device
70 * @buf_lock: mutex to protect tx and rx
71 * @tx: transmit buffer
75 struct spi_device *us; member
77 __be32 tx ____cacheline_aligned;
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/spi/ |
| D | spi-bus.txt | 1 SPI (Serial Peripheral Interface) busses
3 SPI busses can be described with a node for the SPI controller device
4 and a set of child nodes for each SPI slave on the bus. The system's SPI
5 controller may be described for use in SPI master mode or in SPI slave mode,
8 The SPI controller node requires the following properties:
9 - compatible - Name of SPI bus controller following generic names
12 In master mode, the SPI controller node requires the following additional
14 - #address-cells - number of cells required to define a chip select
15 address on the SPI bus.
16 - #size-cells - should be zero.
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| /kernel/linux/linux-5.10/drivers/iio/gyro/ |
| D | adxrs450.c | 1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/delay.h>
14 #include <linux/spi/spi.h>
25 /* The MSB for the spi commands */
67 * struct adxrs450_state - device instance specific data
68 * @us: actual spi_device
69 * @buf_lock: mutex to protect tx and rx
70 * @tx: transmit buffer
74 struct spi_device *us; member
76 __be32 tx ____cacheline_aligned;
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/input/rmi4/ |
| D | rmi_spi.txt | 1 Synaptics RMI4 SPI Device Binding
5 bindings for devices using the SPI transport driver. Complete documentation
10 - compatible: syna,rmi4-spi
11 - reg: Chip select address for the device
12 - #address-cells: Set to 1 to indicate that the function child nodes
14 - #size-cells: Set to 0 to indicate that the function child nodes do not
18 - interrupts: interrupt which the rmi device is connected to.
19 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
21 - spi-rx-delay-us: microsecond delay after a read transfer.
22 - spi-tx-delay-us: microsecond delay after a write transfer.
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/input/rmi4/ |
| D | rmi_spi.txt | 1 Synaptics RMI4 SPI Device Binding
5 bindings for devices using the SPI transport driver. Complete documentation
10 - compatible: syna,rmi4-spi
11 - reg: Chip select address for the device
12 - #address-cells: Set to 1 to indicate that the function child nodes
14 - #size-cells: Set to 0 to indicate that the function child nodes do not
18 - interrupts: interrupt which the rmi device is connected to.
19 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
21 - spi-rx-delay-us: microsecond delay after a read transfer.
22 - spi-tx-delay-us: microsecond delay after a write transfer.
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/spi/ |
| D | spi-controller.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: SPI Controller Generic Binding
10 - Mark Brown <broonie@kernel.org>
13 SPI busses can be described with a node for the SPI controller device
14 and a set of child nodes for each SPI slave on the bus. The system SPI
15 controller may be described for use in SPI master mode or in SPI slave mode,
20 pattern: "^spi(@.*|-[0-9a-f])*$"
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| /kernel/linux/linux-5.10/drivers/spi/ |
| D | spi-dw-dma.c | 1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/dma-mapping.h>
14 #include <linux/platform_data/dma-dw.h>
15 #include <linux/spi/spi.h>
18 #include "spi-dw.h"
29 if (s->dma_dev != chan->device->dev) in dw_spi_dma_chan_filter()
32 chan->private = s; in dw_spi_dma_chan_filter()
42 def_burst = dws->fifo_len / 2; in dw_spi_dma_maxburst_init()
44 ret = dma_get_slave_caps(dws->rxchan, &caps); in dw_spi_dma_maxburst_init()
50 dws->rxburst = min(max_burst, def_burst); in dw_spi_dma_maxburst_init()
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| D | spi-dw-core.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Designware SPI core controller driver (refer pxa2xx_spi.c)
8 #include <linux/dma-mapping.h>
13 #include <linux/delay.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/spi-mem.h>
20 #include "spi-dw.h"
29 u32 rx_sample_dly; /* RX sample delay */
63 snprintf(name, 32, "dw_spi%d", dws->master->bus_num); in dw_spi_debugfs_init()
64 dws->debugfs = debugfs_create_dir(name, NULL); in dw_spi_debugfs_init()
[all …]
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| D | spi-mpc512x-psc.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * MPC512x PSC in SPI mode driver.
7 * Hongjun Chen <hong-jun.chen@freescale.com>
22 #include <linux/delay.h>
24 #include <linux/spi/spi.h>
40 switch (mps->type) { \
42 struct mpc52xx_psc __iomem *psc = mps->psc; \
43 __ret = &psc->regname; \
47 struct mpc5125_psc __iomem *psc = mps->psc; \
48 __ret = &psc->regname; \
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| D | spi-rockchip.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 * Author: Addy Ke <addy.ke@rock-chips.com>
14 #include <linux/spi/spi.h>
18 #define DRIVER_NAME "rockchip-spi"
25 /* SPI register offsets */
67 /* ss_n to sclk_out delay */
150 /* sclk_out: spi master internal logic in rk3x can support 50Mhz */
154 * SPI_CTRLR1 is 16-bits, so we should support lengths of 0xffff + 1. However,
173 const void *tx; member
195 writel_relaxed((enable ? 1U : 0U), rs->regs + ROCKCHIP_SPI_SSIENR); in spi_enable_chip()
[all …]
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| /kernel/linux/linux-5.10/net/nfc/nci/ |
| D | spi.c | 1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/spi/spi.h>
12 #include <linux/crc-ccitt.h>
37 /* a NULL skb means we just want the SPI chip select line to raise */ in __nci_spi_send()
39 t.tx_buf = skb->data; in __nci_spi_send()
40 t.len = skb->len; in __nci_spi_send()
47 t.delay.value = nspi->xfer_udelay; in __nci_spi_send()
48 t.delay.unit = SPI_DELAY_UNIT_USECS; in __nci_spi_send()
49 t.speed_hz = nspi->xfer_speed_hz; in __nci_spi_send()
54 return spi_sync(nspi->spi, &m); in __nci_spi_send()
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| /kernel/linux/linux-4.19/net/nfc/nci/ |
| D | spi.c | 15 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
24 #include <linux/spi/spi.h>
25 #include <linux/crc-ccitt.h>
50 /* a NULL skb means we just want the SPI chip select line to raise */ in __nci_spi_send()
52 t.tx_buf = skb->data; in __nci_spi_send()
53 t.len = skb->len; in __nci_spi_send()
60 t.delay_usecs = nspi->xfer_udelay; in __nci_spi_send()
61 t.speed_hz = nspi->xfer_speed_hz; in __nci_spi_send()
66 return spi_sync(nspi->spi, &m); in __nci_spi_send()
73 unsigned int payload_len = skb->len; in nci_spi_send()
[all …]
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| /kernel/linux/linux-4.19/Documentation/networking/ |
| D | pktgen.txt | 4 ------------------------------------
6 Enable CONFIG_NET_PKTGEN to compile and build pktgen either in-kernel
29 overload type of benchmarking, as this could hurt the normal use-case.
31 Specifically increasing the TX ring buffer in the NIC:
32 # ethtool -G ethX tx 1024
34 A larger TX ring can improve pktgen's performance, while it can hurt
35 in the general case, 1) because the TX ring buffer might get larger
40 TX ring cause delay. Drivers usually delay cleaning up the
41 ring-buffers for various performance reasons, and packets stalling
42 the TX ring might just be waiting for cleanup.
[all …]
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| /kernel/linux/linux-5.10/Documentation/networking/ |
| D | pktgen.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 Enable CONFIG_NET_PKTGEN to compile and build pktgen either in-kernel
31 overload type of benchmarking, as this could hurt the normal use-case.
33 Specifically increasing the TX ring buffer in the NIC::
35 # ethtool -G ethX tx 1024
37 A larger TX ring can improve pktgen's performance, while it can hurt
38 in the general case, 1) because the TX ring buffer might get larger
43 TX ring cause delay. Drivers usually delay cleaning up the
44 ring-buffers for various performance reasons, and packets stalling
45 the TX ring might just be waiting for cleanup.
[all …]
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | ste-u300.dts | 1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree for the ST-Ericsson U300 Machine and SoC
6 /dts-v1/;
9 model = "ST-Ericsson U300";
11 #address-cells = <1>;
12 #size-cells = <1>;
30 vana15-supply = <&ab3100_ldo_d_reg>;
35 compatible = "stericsson,u300-syscon", "syscon";
38 #clock-cells = <0>;
39 compatible = "fixed-clock";
[all …]
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| /kernel/linux/linux-4.19/arch/arm/boot/dts/ |
| D | ste-u300.dts | 1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree for the ST-Ericsson U300 Machine and SoC
6 /dts-v1/;
10 model = "ST-Ericsson U300";
12 #address-cells = <1>;
13 #size-cells = <1>;
30 vana15-supply = <&ab3100_ldo_d_reg>;
35 compatible = "stericsson,u300-syscon", "syscon";
38 #clock-cells = <0>;
39 compatible = "fixed-clock";
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| /kernel/linux/linux-5.10/arch/powerpc/boot/dts/ |
| D | ac14xx.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
14 #address-cells = <1>;
15 #size-cells = <1>;
26 timebase-frequency = <40000000>; /* 40 MHz (csb/4) */
27 bus-frequency = <160000000>; /* 160 MHz csb bus */
28 clock-frequency = <400000000>; /* 400 MHz ppc core */
49 compatible = "cfi-flash";
51 #address-cells = <1>;
52 #size-cells = <1>;
53 bank-width = <2>;
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| /kernel/linux/linux-4.19/arch/powerpc/boot/dts/ |
| D | ac14xx.dts | 18 #address-cells = <1>;
19 #size-cells = <1>;
30 timebase-frequency = <40000000>; /* 40 MHz (csb/4) */
31 bus-frequency = <160000000>; /* 160 MHz csb bus */
32 clock-frequency = <400000000>; /* 400 MHz ppc core */
53 compatible = "cfi-flash";
55 #address-cells = <1>;
56 #size-cells = <1>;
57 bank-width = <2>;
58 device-width = <2>;
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| /kernel/linux/linux-5.10/include/linux/iio/imu/ |
| D | adis.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
6 * Author: Lars-Peter Clausen <lars@metafoo.de>
12 #include <linux/spi/spi.h>
25 * struct adis_timeouts - ADIS chip variant timeouts
26 * @reset_ms - Wait time after rst pin goes inactive
27 * @sw_reset_ms - Wait time after sw reset command
28 * @self_test_ms - Wait time after self test command
36 * struct adis_data - ADIS chip variant specific data
37 * @read_delay: SPI delay for read operations in us
38 * @write_delay: SPI delay for write operations in us
[all …]
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| /kernel/linux/linux-4.19/drivers/spi/ |
| D | spi-bcm2835.c | 2 * Driver for Broadcom BCM2835 SPI Controllers
9 * spi-ath79.c, Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org>
10 * spi-atmel.c, Copyright (C) 2006 Atmel Corporation
26 #include <linux/delay.h>
27 #include <linux/dma-mapping.h>
39 #include <linux/spi/spi.h>
41 /* SPI register offsets */
81 #define DRV_NAME "spi-bcm2835"
96 return readl(bs->regs + reg); in bcm2835_rd()
101 writel(val, bs->regs + reg); in bcm2835_wr()
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| D | spi-mpc512x-psc.c | 2 * MPC512x PSC in SPI mode driver.
6 * Hongjun Chen <hong-jun.chen@freescale.com>
26 #include <linux/delay.h>
28 #include <linux/spi/spi.h>
44 switch (mps->type) { \
46 struct mpc52xx_psc __iomem *psc = mps->psc; \
47 __ret = &psc->regname; \
51 struct mpc5125_psc __iomem *psc = mps->psc; \
52 __ret = &psc->regname; \
59 void (*cs_control)(struct spi_device *spi, bool on);
[all …]
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| /kernel/linux/linux-5.10/arch/arm64/boot/dts/qcom/ |
| D | msm8916.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
6 #include <dt-bindings/arm/coresight-cti-dt.h>
7 #include <dt-bindings/clock/qcom,gcc-msm8916.h>
8 #include <dt-bindings/clock/qcom,rpmcc.h>
9 #include <dt-bindings/interconnect/qcom,msm8916.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/reset/qcom,gcc-msm8916.h>
12 #include <dt-bindings/thermal/thermal.h>
15 interrupt-parent = <&intc>;
[all …]
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| /kernel/linux/linux-5.10/arch/arm64/boot/dts/nvidia/ |
| D | tegra210.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/clock/tegra210-car.h>
3 #include <dt-bindings/gpio/tegra-gpio.h>
4 #include <dt-bindings/memory/tegra210-mc.h>
5 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
6 #include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
7 #include <dt-bindings/reset/tegra210-car.h>
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
9 #include <dt-bindings/thermal/tegra124-soctherm.h>
10 #include <dt-bindings/soc/tegra-pmc.h>
[all …]
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| /kernel/linux/linux-5.10/arch/arm64/boot/dts/allwinner/ |
| D | sun50i-h6-pine-h64.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 = "pine64,pine-h64", "allwinner,sun50i-h6";
22 stdout-path = "serial0:115200n8";
26 #clock-cells = <0>;
27 compatible = "fixed-clock";
28 clock-frequency = <32768>;
[all …]
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| /kernel/linux/linux-4.19/include/linux/iio/imu/ |
| D | adis.h | 5 * Author: Lars-Peter Clausen <lars@metafoo.de>
7 * Licensed under the GPL-2 or later.
13 #include <linux/spi/spi.h>
26 * struct adis_data - ADIS chip variant specific data
27 * @read_delay: SPI delay for read operations in us
28 * @write_delay: SPI delay for write operations in us
56 struct spi_device *spi; member
67 uint8_t tx[10] ____cacheline_aligned; member
72 struct spi_device *spi, const struct adis_data *data);
81 * adis_write_reg_8() - Write single byte to a register
[all …]
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