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Searched +full:spi +full:- +full:feedback +full:- +full:delay (Results 1 – 24 of 24) sorted by relevance

/linux/include/linux/iio/frequency/
H A Dad9523.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * AD9523 SPI Low Jitter Clock Generator
38 * struct ad9523_channel_spec - Output channel configuration
42 * @sync_ignore_en: Ignore chip-level SYNC signal.
49 * @channel_divider: 10-bit channel divider.
106 * struct ad9523_platform_data - platform specific information
109 * @refa_diff_rcv_en: REFA differential/single-ended input selection.
110 * @refb_diff_rcv_en: REFB differential/single-ended input selection.
111 * @zd_in_diff_en: Zero Delay differential/single-ended input selection.
112 * @osc_in_diff_en: OSC differential/ single-ended input selection.
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/linux/Documentation/devicetree/bindings/spi/
H A Dsamsung,spi-peripheral-props.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/samsung,spi-peripheral-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Peripheral-specific properties for Samsung S3C/S5P/Exynos SoC SPI controller
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 See spi-peripheral-props.yaml for more info.
16 controller-data:
21 samsung,spi-feedback-delay:
25 - 0: No phase shift.
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H A Dsamsung,spi.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/samsung,spi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung S3C/S5P/Exynos SoC SPI controller
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 All the SPI controller nodes should be represented in the aliases node using
14 the following format 'spi{n}' where n is a unique number for the alias.
19 - enum:
20 - google,gs101-spi
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/linux/include/linux/platform_data/
H A Dspi-s3c64xx.h1 /* SPDX-License-Identifier: GPL-2.0 */
16 * struct s3c64xx_spi_csinfo - ChipSelect description
17 * @fb_delay: Slave specific feedback delay.
18 * Refer to FB_CLK_SEL register definition in SPI chapter.
20 * This is per SPI-Slave Chipselect information.
29 * struct s3c64xx_spi_info - SPI Controller defining structure
33 * @cfg_gpio: Configure pins for this SPI controller.
44 * s3c64xx_spi_set_platdata - SPI Controller configure callback by the board
46 * @src_clk_nr: Clock the SPI controller is to use to generate SPI clocks.
49 * Call this from machine init code for each SPI Controller that
/linux/include/linux/amba/
H A Dpl022.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (C) 2008-2009 ST-Ericsson AB
11 * linux-2.6.17-rc3-mm1/drivers/spi/pxa2xx_spi.c
31 * enum ssp_interface - interfaces allowed for this SSP Controller
48 * enum ssp_hierarchy - whether SSP is configured as Master or Slave
56 * enum ssp_clock_params - clock parameters, to set SSP clock at a
65 * enum ssp_rx_endian - endianess of Rx FIFO Data
74 * enum ssp_tx_endian - endianess of Tx FIFO Data
82 * enum ssp_data_size - number of bits in one data element
98 * enum ssp_mode - SSP mode of operation (Communication modes)
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/linux/arch/arm/boot/dts/samsung/
H A Dexynos3250-artik5-eval.dts1 // SPDX-License-Identifier: GPL-2.0
12 /dts-v1/;
13 #include "exynos3250-artik5.dtsi"
17 compatible = "samsung,artik5-eval", "samsung,artik5",
26 cap-sd-highspeed;
27 disable-wp;
28 vqmmc-supply = <&ldo3_reg>;
29 card-detect-delay = <200>;
30 clock-frequency = <100000000>;
31 max-frequency = <100000000>;
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H A Dexynos4210-smdkv310.dts1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
7 * Copyright (c) 2010-2011 Linaro Ltd.
14 /dts-v1/;
16 #include <dt-bindings/gpio/gpio.h>
17 #include "exynos-mfc-reserved-memory.dtsi"
34 stdout-path = "serial1:115200n8";
37 fixed-rate-clocks {
39 compatible = "samsung,clock-xxti";
40 clock-frequency = <12000000>;
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H A Dexynos5250-smdk5250.dts1 // SPDX-License-Identifier: GPL-2.0
9 /dts-v1/;
10 #include <dt-bindings/clock/maxim,max77686.h>
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
31 stdout-path = "serial2:115200n8";
34 vdd: fixed-regulator-vdd {
35 compatible = "regulator-fixed";
36 regulator-name = "vdd-supply";
37 regulator-min-microvolt = <1800000>;
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H A Dexynos5420-peach-pit.dts1 // SPDX-License-Identifier: GPL-2.0
8 /dts-v1/;
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/clock/maxim,max77802.h>
13 #include <dt-bindings/regulator/maxim,max77802.h>
14 #include <dt-bindings/sound/samsung-i2s.h>
16 #include "exynos5420-cpus.dtsi"
21 compatible = "google,pit-rev16",
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H A Dexynos5800-peach-pi.dts1 // SPDX-License-Identifier: GPL-2.0
8 /dts-v1/;
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/clock/maxim,max77802.h>
13 #include <dt-bindings/regulator/maxim,max77802.h>
14 #include <dt-bindings/sound/samsung-i2s.h>
16 #include "exynos5420-cpus.dtsi"
21 compatible = "google,pi-rev16",
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H A Dexynos4412-midas.dtsi1 // SPDX-License-Identifier: GPL-2.0
12 /dts-v1/;
14 #include "exynos4412-ppmu-common.dtsi"
16 #include <dt-bindings/gpio/gpio.h>
17 #include <dt-bindings/input/input.h>
18 #include <dt-bindings/interrupt-controller/irq.h>
19 #include <dt-bindings/clock/maxim,max77686.h>
20 #include "exynos-pinctrl.h"
34 stdout-path = &serial_2;
38 compatible = "samsung,secure-firmware";
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/linux/Documentation/devicetree/bindings/media/
H A Dsamsung,s5c73m3.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
14 The S5C73M3 camera ISP supports MIPI CSI-2 and parallel (ITU-R BT.656)
16 SPI bus is used, mostly for transferring the firmware to and from the
31 clock-names:
33 - const: cis_extclk
35 clock-frequency:
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/linux/drivers/spi/
H A Dspi-s3c64xx.c1 // SPDX-License-Identifier: GPL-2.0+
9 #include <linux/delay.h>
10 #include <linux/dma-mapping.h>
17 #include <linux/platform_data/spi-s3c64xx.h>
20 #include <linux/spi/spi.h>
27 /* Registers and bit-fields */
112 #define FIFO_LVL_MASK(i) ((i)->port_conf->fifo_lvl_mask[i->port_id])
114 (1 << (i)->port_conf->tx_st_done)) ? 1 : 0)
115 #define TX_FIFO_LVL(v, sdd) (((v) & (sdd)->tx_fifomask) >> \
116 __ffs((sdd)->tx_fifomask))
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H A Dspi-pl022.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * A driver for the ARM PL022 PrimeCell SSP/SPI bus master.
5 * Copyright (C) 2008-2012 ST-Ericsson AB
11 * linux-2.6.17-rc3-mm1/drivers/spi/pxa2xx_spi.c
22 #include <linux/spi/spi.h>
23 #include <linux/delay.h>
31 #include <linux/dma-mapping.h>
92 * SSP Control Register 0 - SSP_CR0
110 * SSP Control Register 0 - SSP_CR1
130 * SSP Status Register - SSP_SR
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/linux/arch/arm64/boot/dts/rockchip/
H A Drk3399-puma.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/pwm/pwm.h>
16 compatible = "gpio-leds";
17 pinctrl-names = "default";
18 pinctrl-0 = <&module_led_pin>;
20 module_led: led-0 {
23 linux,default-trigger = "heartbeat";
24 panic-indicator;
28 extcon_usb3: extcon-usb3 {
29 compatible = "linux,extcon-usb-gpio";
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/linux/arch/arm64/boot/dts/exynos/
H A Dexynos5433-tm2-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
11 /dts-v1/;
13 #include <dt-bindings/clock/samsung,s2mps11.h>
14 #include <dt-bindings/gpio/gpio.h>
15 #include <dt-bindings/input/input.h>
16 #include <dt-bindings/interrupt-controller/irq.h>
17 #include <dt-bindings/sound/samsung-i2s.h>
48 stdout-path = &serial_1;
56 gpio-keys {
57 compatible = "gpio-keys";
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/linux/drivers/iio/frequency/
H A Dadf4377.c1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <linux/delay.h>
18 #include <linux/spi/spi.h>
410 struct spi_device *spi; member
424 /* Feedback Divider (N) */
482 return regmap_read(st->regmap, reg, read_val); in adf4377_reg_access()
484 return regmap_write(st->regmap, reg, write_val); in adf4377_reg_access()
496 ret = regmap_update_bits(st->regmap, 0x0, ADF4377_0000_SOFT_RESET_MSK | in adf4377_soft_reset()
503 return regmap_read_poll_timeout(st->regmap, 0x0, read_val, in adf4377_soft_reset()
514 mutex_lock(&st->lock); in adf4377_get_freq()
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/linux/Documentation/sound/designs/
H A Dcompress-offload.rst2 ALSA Compress-Offload API
5 Pierre-Louis.Bossart <pierre-louis.bossart@linux.intel.com>
18 in system-on-chip designs, and DSPs are also integrated in audio
20 reduction of power consumption compared to host-based
27 provide a control and data-streaming interface for audio DSPs.
29 The design of this API was inspired by the 2-year experience with the
39 - separation between byte counts and time. Compressed formats may have
41 may vary from frame-to-frame. As a result, it is not possible to
44 reliable audio-video synchronization, which requires precise
47 - Handling of multiple formats. PCM data only requires a specification
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/linux/sound/pci/ca0106/
H A Dca0106_main.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
12 * (One can use a standard mono mini-jack to one RCA plugs cable.
13 * or one can use a standard stereo mini-jack to two RCA plugs cable.
21 …* So, to prevent feedback when capturing, minimise the "Capture feedback into Playback" volum…
23 * The only playback controls that currently do anything are: -
34 * CAPTURE feedback into PLAYBACK
82 * Implement support for Line-in capture on SB Live 24bit.
84 * Add support for mute control on SB Live 24bit (cards w/ SPI DAC)
86 * Powerdown SPI DAC channels when not in use
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H A Dca0106_mixer.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
44 * Add support for mute control on SB Live 24bit (cards w/ SPI DAC)
49 #include <linux/delay.h>
67 if (emu->spdif_enable) { in ca0106_spdif_enable()
73 val = inl(emu->port + CA0106_GPIO) & ~0x101; in ca0106_spdif_enable()
74 outl(val, emu->port + CA0106_GPIO); in ca0106_spdif_enable()
82 val = inl(emu->port + CA0106_GPIO) | 0x101; in ca0106_spdif_enable()
83 outl(val, emu->port + CA0106_GPIO); in ca0106_spdif_enable()
89 unsigned int val = emu->capture_source; in ca0106_set_capture_source()
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/linux/
H A DMAINTAINERS5 ---------------------------------------------------
21 W: *Web-page* with status/info
23 B: URI for where to file *bugs*. A web-page with detailed bug
28 patches to the given subsystem. This is either an in-tree file,
29 or a URI. See Documentation/maintainer/maintainer-entry-profile.rst
46 N: [^a-z]tegra all files whose path contains tegra
64 ----------------
83 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
85 L: linux-scsi@vger.kernel.org
88 F: drivers/scsi/3w-*
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/linux/arch/arm/boot/dts/nvidia/
H A Dtegra30-pegatron-chagall.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
11 #include "tegra30-asus-lvds-display.dtsi"
16 chassis-type = "tablet";
35 * pre-existing /chosen node to be available to insert the
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/linux/drivers/net/ethernet/neterion/
H A Ds2io.c2 * s2io.c: A Linux PCI-X Ethernet driver for Neterion 10GbE Server NIC
3 * Copyright(c) 2002-2010 Exar Corp.
47 * Default is '2' - which means disable in promisc mode
48 * and enable in non-promiscuous mode.
60 #include <linux/dma-mapping.h>
67 #include <linux/delay.h>
78 #include <linux/io-64-nonatomic-lo-hi.h>
89 #include "s2io-regs.h"
104 ret = ((!(rxdp->Control_1 & RXD_OWN_XENA)) && in RXD_IS_UP2DT()
105 (GET_RXD_MARKER(rxdp->Control_2) != THE_RXD_MARK)); in RXD_IS_UP2DT()
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/linux/drivers/gpu/drm/amd/include/
H A Datomfirmware.h6 * Description header file of general definitions for OS and pre-OS video drivers
31 * If a change in VBIOS/Driver/Tool's interface is only needed for pre-SoC15 products, then the chan…
115 ATOM_SCALER_DISABLE =0, /*scaler bypass mode, auto-center & no replication*/
116 ATOM_SCALER_CENTER =1, //For Fudo, it's bypass and auto-center & auto replication
202 #define BIOS_VERSION_PREFIX "ATOMBIOSBK-AMD"
245 …tom_string_def atom_bios_string; //Signature to distinguish between Atombios and non-atombios,
604 uint32_t maco_pwrlimit_mw; // bomaco mode power limit in unit of m-watt
605 uint32_t usb_pwrlimit_mw; // power limit when USB is enable in unit of m-watt
636 uint32_t maco_pwrlimit_mw; // bomaco mode power limit in unit of m-watt
637 uint32_t usb_pwrlimit_mw; // power limit when USB is enable in unit of m-watt
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