Home
last modified time | relevance | path

Searched +full:cs +full:- +full:active +full:- +full:high (Results 1 – 25 of 247) sorted by relevance

12345678910

/linux/Documentation/devicetree/bindings/bus/
H A Dnvidia,tegra20-gmi.txt4 external memory. Can be used to attach various high speed devices such as
10 - compatible : Should contain one of the following:
11 For Tegra20 must contain "nvidia,tegra20-gmi".
12 For Tegra30 must contain "nvidia,tegra30-gmi".
13 - reg: Should contain GMI controller registers location and length.
14 - clocks: Must contain an entry for each entry in clock-names.
15 - clock-names: Must include the following entries: "gmi"
16 - resets : Must contain an entry for each entry in reset-names.
17 - reset-names : Must include the following entries: "gmi"
18 - #address-cells: The number of cells used to represent physical base
[all …]
/linux/Documentation/devicetree/bindings/memory-controllers/
H A Dst,stm32-fmc2-ebi-props.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/st,stm32-fmc2-ebi-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Christophe Kerello <christophe.kerello@foss.st.com>
11 - Marek Vasut <marex@denx.de>
14 st,fmc2-ebi-cs-transaction-type:
33 st,fmc2-ebi-cs-cclk-enable:
40 st,fmc2-ebi-cs-mux-enable:
46 st,fmc2-ebi-cs-buswidth:
[all …]
H A Darm,pl172.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/arm,pl172.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Frank Li <Frank.Li@nxp.com>
18 - arm,pl172
19 - arm,pl175
20 - arm,pl176
22 - compatible
27 - enum:
[all …]
H A Dti,gpmc-child.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/ti,gpmc-child.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tony Lindgren <tony@atomide.com>
11 - Roger Quadros <rogerq@kernel.org>
24 gpmc,sync-clk-ps:
28 # Chip-select signal timings corresponding to GPMC_CONFIG2:
29 gpmc,cs-on-ns:
33 gpmc,cs-rd-off-ns:
[all …]
/linux/include/sound/
H A Dcs8427.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
14 #define CS8427_REG_AUTOINC 0x80 /* flag - autoincrement */
34 #define CS8427_REG_QSUBCODE 0x14 /* 0x14-0x1d (10 bytes) */
45 #define CS8427_INTACTHIGH (0<<1) /* active high */
46 #define CS8427_INTACTLOW (1<<1) /* active low */
47 #define CS8427_INTOPENDRAIN (2<<1) /* open drain, active low */
58 #define CS8427_MMTCS (1<<1) /* 0 = use A + B CS data, 1 = use MMTLR CS data */
59 #define CS8427_MMTLR (1<<0) /* 0 = use A CS data, 1 = use B CS data */
63 #define CS8427_AESBP (1<<5) /* AES3 hardware bypass mode, 0 = normal, 1 = bypass (RX->TX) */
65 #define CS8427_TXDSERIAL (1<<3) /* TXD - serial audio input port */
[all …]
/linux/Documentation/devicetree/bindings/spi/
H A Dicpdas-lp8841-spi-rtc.txt1 * ICP DAS LP-8841 SPI Controller for RTC
3 ICP DAS LP-8841 contains a DS-1302 RTC. RTC is connected to an IO
6 The device uses the standard MicroWire half-duplex transfer timing.
13 - #address-cells: should be 1
15 - #size-cells: should be 0
17 - compatible: should be "icpdas,lp8841-spi-rtc"
19 - reg: should provide IO memory address
23 - There can be only one slave device.
25 - The spi slave node should claim the following flags which are
28 - spi-3wire: The master itself has only 3 wire. It cannor work in
[all …]
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
14 per-peripheral and there can be multiple peripherals attached to a
20 - Mark Brown <broonie@kernel.org>
28 - minimum: 0
33 spi-cs-high:
[all …]
/linux/arch/arm/boot/dts/nxp/lpc/
H A Dlpc3250-phy3250.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * PHYTEC phyCORE-LPC3250 board
5 * Copyright (C) 2015-2019 Vladimir Zapolskiy <vz@mleia.com>
9 /dts-v1/;
13 model = "PHYTEC phyCORE-LPC3250 board based on NXP LPC3250";
22 compatible = "gpio-leds";
25 gpios = <&gpio 5 1 0>; /* GPO_P3 1, GPIO 80, active high */
26 default-state = "off";
30 gpios = <&gpio 5 14 0>; /* GPO_P3 14, GPIO 93, active high */
31 linux,default-trigger = "heartbeat";
[all …]
/linux/Documentation/devicetree/bindings/rtc/
H A Dmaxim-ds1302.txt1 * Maxim/Dallas Semiconductor DS-1302 RTC
5 The device uses the standard MicroWire half-duplex transfer timing.
12 - compatible : Should be "maxim,ds1302"
16 - reg : Should be address of the device chip select within
19 - spi-max-frequency : DS-1302 has 500 kHz if powered at 2.2V,
22 - spi-3wire : The device has a shared signal IN/OUT line.
24 - spi-lsb-first : DS-1302 requires least significant bit first
27 - spi-cs-high: DS-1302 has active high chip select line. This is
33 #address-cells = <1>;
34 #size-cells = <0>;
[all …]
/linux/Documentation/firmware-guide/acpi/
H A Dgpio-properties.rst1 .. SPDX-License-Identifier: GPL-2.0
31 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
34 Package () { "reset-gpios", Package () { ^BTH, 1, 1, 0 } },
35 Package () { "shutdown-gpios", Package () { ^BTH, 0, 0, 0 } },
52 If 1, the GPIO is marked as active-low.
55 active-low or active-high, the "active_low" argument can be used here.
56 Setting it to 1 marks the GPIO as active-low.
61 In our Bluetooth example the "reset-gpios" refers to the second GpioIo()
70 +-------------+-------------+-----------------------------------------------+
74 +-------------+-------------+-----------------------------------------------+
[all …]
/linux/arch/arm/boot/dts/ti/omap/
H A Dam335x-nano.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013 Newflow Ltd - https://www.newflow.co.uk/
5 /dts-v1/;
15 cpu0-supply = <&dcdc2_reg>;
25 compatible = "gpio-leds";
30 default-state = "off";
36 pinctrl-names = "default";
37 pinctrl-0 = <&misc_pins>;
39 misc_pins: misc-pins {
40 pinctrl-single,pins = <
[all …]
/linux/arch/arm64/boot/dts/freescale/
H A Dimx8mm-iot-gateway.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 #include "imx8mm-ucm-som.dtsi"
6 #include <dt-bindings/phy/phy-imx8-pcie.h>
9 compatible = "compulab,imx8mm-iot-gateway", "compulab,imx8mm-ucm-som", "fsl,imx8mm";
11 regulator-usbhub-ena {
12 compatible = "regulator-fixed";
13 regulator-name = "usbhub_ena";
14 regulator-min-microvolt = <3300000>;
15 regulator-max-microvolt = <3300000>;
17 enable-active-high;
[all …]
H A Dmba8xx.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR X11)
3 * Copyright 2018-2023 TQ-Systems GmbH <linux@ew.tq-group.com>,
4 * D-82229 Seefeld, Germany.
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/net/ti-dp83867.h>
14 compatible = "iio-hwmon";
15 io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>;
23 backlight_lvds: backlight-lvds {
24 compatible = "pwm-backlight";
[all …]
H A Dimx8mm-mx8menlo.dts1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
3 * Copyright 2021-2022 Marek Vasut <marex@denx.de>
6 /dts-v1/;
8 #include "imx8mm-verdin.dtsi"
13 "toradex,verdin-imx8mm-nonwifi",
14 "toradex,verdin-imx8mm",
17 /delete-node/ gpio-keys;
20 compatible = "gpio-leds";
21 pinctrl-names = "default";
22 pinctrl-0 = <&pinctrl_led>;
[all …]
/linux/Documentation/devicetree/bindings/pwm/
H A Dnxp,mc33xs2410.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: High-side switch MC33XS2410
10 - Dimitri Fedrau <dima.fedrau@gmail.com>
13 - $ref: pwm.yaml#
14 - $ref: /schemas/spi/spi-peripheral-props.yaml#
23 spi-max-frequency:
26 spi-cpha: true
28 spi-cs-setup-delay-ns:
[all …]
/linux/arch/arm/boot/dts/marvell/
H A Darmada-385-clearfog-gtr.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5 * Rabeeh Khoury <rabeeh@solid-run.com>, based on Russell King clearfog work
9 SERDES mapping -
10 0. SATA1 on CON18, or optionally mini PCIe CON3 - PCIe0
12 2. SATA0 on CON17, or optionally mini PCIe CON4 - PCIe1
14 4. mini PCIe CON2 - PCIe2
17 USB 2.0 mapping -
18 0. USB 2.0 - 0 USB pins header CON12
19 1. USB 2.0 - 1 mini PCIe CON2
20 2. USB 2.0 - 2 to USB 3.0 connector (used with SERDES #3)
[all …]
/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6q-evi.dts4 * This file is dual-licensed: you can use it either under the terms
44 /dts-v1/;
46 #include <dt-bindings/gpio/gpio.h>
47 #include <dt-bindings/interrupt-controller/irq.h>
51 compatible = "uniwest,imx6q-evi", "fsl,imx6q";
58 reg_usbh1_vbus: regulator-usbhubreset {
59 compatible = "regulator-fixed";
60 regulator-name = "usbh1_vbus";
61 regulator-min-microvolt = <5000000>;
62 regulator-max-microvolt = <5000000>;
[all …]
H A Dimx53-sk-imx53.dts1 // SPDX-License-Identifier: GPL-2.0+
5 /dts-v1/;
10 model = "StarterKit SK-iMX53 Board";
11 compatible = "starterkit,sk-imx53", "fsl,imx53";
23 stdout-path = &uart1;
32 reg_usb1_vbus: regulator-usb-vbus {
33 compatible = "regulator-fixed";
34 regulator-name = "usb_vbus";
35 regulator-min-microvolt = <5000000>;
36 regulator-max-microvolt = <5000000>;
[all …]
/linux/drivers/gpu/drm/i915/gt/
H A Dgen6_engine_cs.c1 // SPDX-License-Identifier: MIT
18 * Emits a PIPE_CONTROL with a non-zero post-sync operation, for
22 * [DevSNB-C+{W/A}] Before any depth stall flush (including those
23 * produced by non-pipelined state commands), software needs to first
24 * send a PIPE_CONTROL with no bits set except Post-Sync Operation !=
27 * [Dev-SNB{W/A}]: Before a PIPE_CONTROL with Write Cache Flush Enable
28 * =1, a PIPE_CONTROL with any non-zero post-sync-op is required.
32 * [Dev-SNB{W/A}]: Pipe-control with CS-stall bit set must be sent
33 * BEFORE the pipe-control with a post-sync op and no write-cache
41 * - Render Target Cache Flush Enable ([12] of DW1)
[all …]
/linux/drivers/spi/
H A Dspi-bcmbca-hsspi.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Broadcom BCMBCA High Speed SPI Controller driver
5 * Copyright 2000-2010 Broadcom Corporation
6 * Copyright 2012-2013 Jonas Gorski <jonas.gorski@gmail.com>
7 * Copyright 2019-2022 Broadcom Ltd
17 #include <linux/dma-mapping.h>
23 #include <linux/spi/spi-mem.h>
132 return sprintf(buf, "%d\n", bs->wait_mode); in wait_mode_show()
143 return -EINVAL; in wait_mode_store()
147 return -EINVAL; in wait_mode_store()
[all …]
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"
62 /* ss_n be high for half sclk_out cycles */
64 /* ss_n be high for one sclk_out cycle */
70 * The period between ss_n active and
71 * sclk_out active is half sclk_out cycles
75 * The period between ss_n active and
76 * sclk_out active is one sclk_out cycle
158 * SPI_CTRLR1 is 16-bits, so we should support lengths of 0xffff + 1. However,
[all …]
H A Dspi-bcm63xx-hsspi.c2 * Broadcom BCM63XX High Speed SPI Controller driver
4 * Copyright 2000-2010 Broadcom Corporation
5 * Copyright 2012-2013 Jonas Gorski <jonas.gorski@gmail.com>
17 #include <linux/dma-mapping.h>
23 #include <linux/spi/spi-mem.h>
24 #include <linux/mtd/spi-nor.h>
114 * mode. If not, falls back to use the dummy cs workaround mode but limit the
124 if (bs->xfer_mode == HSSPI_XFER_MODE_AUTO) \
125 dev_dbg(&bs->pdev->dev, fmt, ##__VA_ARGS__); \
126 else if (bs->xfer_mode == HSSPI_XFER_MODE_PREPEND) \
[all …]
/linux/arch/mips/boot/dts/cavium-octeon/
H A Docteon_3xxx.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 /dts-v1/;
7 compatible = "cavium,octeon-3860";
8 #address-cells = <2>;
9 #size-cells = <2>;
10 interrupt-parent = <&ciu>;
13 compatible = "simple-bus";
14 #address-cells = <2>;
15 #size-cells = <2>;
18 ciu: interrupt-controller@1070000000000 {
[all …]
/linux/include/uapi/linux/spi/
H A Dspi.h1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
16 #define SPI_CS_HIGH _BITUL(2) /* chipselect active high? */
17 #define SPI_LSB_FIRST _BITUL(3) /* per-word bits-on-wire */
26 #define SPI_CS_WORD _BITUL(12) /* toggle cs after each word */
29 #define SPI_3WIRE_HIZ _BITUL(15) /* high impedance turnaround */
32 #define SPI_MOSI_IDLE_HIGH _BITUL(18) /* leave MOSI line high when idle */
42 #define SPI_MODE_USER_MASK (_BITUL(19) - 1)
/linux/arch/arm64/boot/dts/amlogic/
H A Dmeson-libretech-cottonwood.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include <dt-bindings/clock/g12a-clkc.h>
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/gpio/meson-g12a-gpio.h>
12 #include <dt-bindings/sound/meson-g12a-toacodec.h>
13 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
28 stdout-path = "serial0:115200n8";
31 dioo2133: audio-amplifier-0 {
[all …]

12345678910