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/Linux-v5.4/Documentation/devicetree/bindings/iio/resolver/
Dad2s90.txt1 Analog Devices AD2S90 Resolver-to-Digital Converter
6 - compatible: should be "adi,ad2s90"
7 - reg: SPI chip select number for the device
8 - spi-max-frequency: set maximum clock frequency, must be 830000
9 - spi-cpol and spi-cpha:
10 Either SPI mode (0,0) or (1,1) must be used, so specify none or both of
11 spi-cpha, spi-cpol.
14 Documentation/devicetree/bindings/spi/spi-bus.txt
16 Note about max frequency:
17 Chip's max frequency, as specified in its datasheet, is 2Mhz. But a 600ns
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/spi/
Dqcom,spi-qup.txt1 Qualcomm Universal Peripheral (QUP) Serial Peripheral Interface (SPI)
4 and an input FIFO) for serial peripheral interface (SPI) mini-core.
6 SPI in master mode supports up to 50MHz, up to four chip selects, programmable
10 - compatible: Should contain:
11 "qcom,spi-qup-v1.1.1" for 8660, 8960 and 8064.
12 "qcom,spi-qup-v2.1.1" for 8974 and later
13 "qcom,spi-qup-v2.2.1" for 8974 v2 and later.
15 - reg: Should contain base register location and length
16 - interrupts: Interrupt number used by this controller
18 - clocks: Should contain the core clock and the AHB clock.
[all …]
Dspi-stm32-qspi.txt4 - compatible: should be "st,stm32f469-qspi"
5 - reg: the first contains the register location and length.
7 - reg-names: should contain the reg names "qspi" "qspi_mm"
8 - interrupts: should contain the interrupt for the device
9 - clocks: the phandle of the clock needed by the QSPI controller
10 - A pinctrl must be defined to set pins in mode of operation for QSPI transfer
13 - resets: must contain the phandle to the reset controller.
15 A spi flash (NOR/NAND) must be a child of spi node and could have some
16 properties. Also see jedec,spi-nor.txt.
19 - reg: chip-Select number (QSPI controller may connect 2 flashes)
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/net/wireless/
Dti,wlcore,spi.txt3 The wl12xx/wl18xx chips can be connected via SPI or via SDIO. This
4 document describes the binding for the SPI connected chip.
7 - compatible : Should be one of the following:
18 - reg : Chip select address of device
19 - spi-max-frequency : Maximum SPI clocking speed of device in Hz
20 - interrupts : Should contain parameters for 1 interrupt line.
21 - vwlan-supply : Point the node of the regulator that powers/enable the
25 - ref-clock-frequency : Reference clock frequency (should be set for wl12xx)
26 - clock-xtal : boolean, clock is generated from XTAL
28 - Please consult Documentation/devicetree/bindings/spi/spi-bus.txt
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/Linux-v5.4/Documentation/devicetree/bindings/iio/imu/
Dadi,adis16480.txt6 - compatible: Must be one of
11 * "adi,adis16495-1"
12 * "adi,adis16495-2"
13 * "adi,adis16495-3"
14 * "adi,adis16497-1"
15 * "adi,adis16497-2"
16 * "adi,adis16497-3"
17 - reg: SPI chip select number for the device
18 - spi-max-frequency: Max SPI frequency to use
19 see: Documentation/devicetree/bindings/spi/spi-bus.txt
[all …]
/Linux-v5.4/arch/arm64/boot/dts/freescale/
Dfsl-ls1012a-qds.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
10 #include "fsl-ls1012a.dtsi"
14 compatible = "fsl,ls1012a-qds", "fsl,ls1012a";
16 sys_mclk: clock-mclk {
17 compatible = "fixed-clock";
18 #clock-cells = <0>;
19 clock-frequency = <24576000>;
22 reg_3p3v: regulator-3p3v {
23 compatible = "regulator-fixed";
[all …]
Dfsl-ls208xa-qds.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
13 mmc-hs200-1_8v;
19 #address-cells = <2>;
20 #size-cells = <1>;
26 #address-cells = <1>;
27 #size-cells = <1>;
28 compatible = "cfi-flash";
30 bank-width = <2>;
31 device-width = <1>;
35 compatible = "fsl,ifc-nand";
[all …]
Dfsl-ls1046a-qds.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree Include file for Freescale Layerscape-1046A family SoC.
11 /dts-v1/;
13 #include "fsl-ls1046a.dtsi"
17 compatible = "fsl,ls1046a-qds", "fsl,ls1046a";
31 stdout-path = "serial0:115200n8";
36 bus-num = <0>;
40 #address-cells = <1>;
41 #size-cells = <1>;
42 compatible = "n25q128a11", "jedec,spi-nor";
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/mtd/
Daspeed-smc.txt2 * Aspeed SPI Flash Memory Controller
5 three chip selects, two of which are always of SPI type and the third
6 can be SPI or NOR type flash. These bindings only describe SPI.
8 The two SPI flash memory controllers in the AST2500 each support two
12 - compatible : Should be one of
13 "aspeed,ast2400-fmc" for the AST2400 Firmware Memory Controller
14 "aspeed,ast2400-spi" for the AST2400 SPI Flash memory Controller
15 "aspeed,ast2500-fmc" for the AST2500 Firmware Memory Controller
16 "aspeed,ast2500-spi" for the AST2500 SPI flash memory controllers
18 - reg : the first contains the control register location and length,
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/eeprom/
Dat25.txt1 EEPROMs (SPI) compatible with Atmel at25.
4 - compatible : Should be "<vendor>,<type>", and generic value "atmel,at25".
11 - reg : chip select number
12 - spi-max-frequency : max spi frequency to use
13 - pagesize : size of the eeprom page
14 - size : total eeprom size in bytes
15 - address-width : number of address bits (one of 8, 9, 16, or 24).
20 - spi-cpha : SPI shifted clock phase, as per spi-bus bindings.
21 - spi-cpol : SPI inverse clock polarity, as per spi-bus bindings.
22 - read-only : this parameter-less property disables writes to the eeprom
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/net/nfc/
Dst95hf.txt3 ST NFC Transceiver is required to attach with SPI bus.
4 ST95HF node should be defined in DT as SPI slave device of SPI
11 - reg: Address of SPI slave "ST95HF transceiver" on SPI master bus.
13 - compatible: should be "st,st95hf" for ST95HF NFC transceiver
15 - spi-max-frequency: Max. operating SPI frequency for ST95HF
18 - enable-gpio: GPIO line to enable ST95HF transceiver.
20 - interrupts : Standard way to define ST95HF transceiver's out
25 - st95hfvin-supply : This is an optional property. It contains a
30 spi@9840000 {
32 #address-cells = <1>;
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/iio/dac/
Dltc1660.txt1 * Linear Technology Micropower octal 8-Bit and 10-Bit DACs
4 - compatible: Must be one of the following:
7 - reg: SPI chip select number for the device
8 - vref-supply: Phandle to the voltage reference supply
11 - spi-max-frequency: Definition as per
12 Documentation/devicetree/bindings/spi/spi-bus.txt.
13 Max frequency for this chip is 5 MHz.
19 spi-max-frequency = <5000000>;
20 vref-supply = <&vref_reg>;
Dti,dac7311.txt4 - compatible: must be set to:
8 - reg: spi chip select number for the device
9 - vref-supply: The regulator supply for ADC reference voltage
12 - spi-max-frequency: Max SPI frequency to use
20 spi-max-frequency = <1000000>;
21 vref-supply = <&vdd_supply>;
Dad7303.txt4 - compatible: Must be "adi,ad7303"
5 - reg: SPI chip select number for the device
6 - spi-max-frequency: Max SPI frequency to use (< 30000000)
7 - Vdd-supply: Phandle to the Vdd power supply
10 - REF-supply: Phandle to the external reference voltage supply. This should
19 spi-max-frequency = <10000000>;
20 Vdd-supply = <&vdd_supply>;
21 adi,use-external-reference;
22 REF-supply = <&vref_supply>;
/Linux-v5.4/Documentation/devicetree/bindings/iio/adc/
Dmcp3911.txt4 - compatible: Should be "microchip,mcp3911"
5 - reg: SPI chip select number for the device
8 - spi-max-frequency: Definition as per
9 Documentation/devicetree/bindings/spi/spi-bus.txt.
10 Max frequency for this chip is 20MHz.
13 - clocks: Phandle and clock identifier for sampling clock
14 - interrupt-parent: Phandle to the parent interrupt controller
15 - interrupts: IRQ line for the ADC
16 - microchip,device-addr: Device address when multiple MCP3911 chips are present on the
17 same SPI bus. Valid values are 0-3. Defaults to 0.
[all …]
Dti-adc0832.txt4 - compatible: Should be one of
9 - reg: spi chip select number for the device
10 - vref-supply: The regulator supply for ADC reference voltage
11 - spi-max-frequency: Max SPI frequency to use (< 400000)
17 vref-supply = <&vdd_supply>;
18 spi-max-frequency = <200000>;
Dadi,ad7768-1.txt1 Analog Devices AD7768-1 ADC device driver
3 Required properties for the AD7768-1:
5 - compatible: Must be "adi,ad7768-1"
6 - reg: SPI chip select number for the device
7 - spi-max-frequency: Max SPI frequency to use
8 see: Documentation/devicetree/bindings/spi/spi-bus.txt
9 - clocks: phandle to the master clock (mclk)
10 see: Documentation/devicetree/bindings/clock/clock-bindings.txt
11 - clock-names: Must be "mclk".
12 - interrupts: IRQ line for the ADC
[all …]
/Linux-v5.4/arch/arm/boot/dts/
Dat91-sama5d4_ma5d4.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later
18 clock-frequency = <32768>;
22 clock-frequency = <12000000>;
26 compatible = "fixed-clock";
27 #clock-cells = <0>;
28 clock-frequency = <20000000>;
29 clock-output-names = "clk20m";
36 pinctrl-names = "default";
37 pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_dat4_7>;
38 vmmc-supply = <&vcc_mmc0_reg>;
[all …]
Dimx6sx-sdb.dts1 // SPDX-License-Identifier: GPL-2.0
5 #include "imx6sx-sdb.dtsi"
12 clock-frequency = <100000>;
13 pinctrl-names = "default";
14 pinctrl-0 = <&pinctrl_i2c1>;
23 regulator-min-microvolt = <300000>;
24 regulator-max-microvolt = <1875000>;
25 regulator-boot-on;
26 regulator-always-on;
27 regulator-ramp-delay = <6250>;
[all …]
Dimx6sx-sdb-reva.dts1 // SPDX-License-Identifier: GPL-2.0
5 #include "imx6sx-sdb.dtsi"
12 clock-frequency = <100000>;
13 pinctrl-names = "default";
14 pinctrl-0 = <&pinctrl_i2c1>;
23 regulator-min-microvolt = <300000>;
24 regulator-max-microvolt = <1875000>;
25 regulator-boot-on;
26 regulator-always-on;
27 regulator-ramp-delay = <6250>;
[all …]
Dvf610-bk4.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
15 stdout-path = &uart1;
23 audio_ext: oscillator-audio {
24 compatible = "fixed-clock";
25 #clock-cells = <0>;
26 clock-frequency = <24576000>;
29 enet_ext: oscillator-ethernet {
30 compatible = "fixed-clock";
31 #clock-cells = <0>;
[all …]
/Linux-v5.4/drivers/staging/wilc1000/
Dmicrochip,wilc1000,spi.txt1 * Microchip WILC wireless SPI device
3 The wilc1000 chips can be connected via SPI. This document describes
4 the binding for the SPI connected module.
7 - compatible : Should be "microchip,wilc1000-spi"
8 - spi-max-frequency : Maximum SPI clocking speed of device in Hz
9 - reg : Chip select address of device
10 - irq-gpios : Connect to a host IRQ
13 - rtc_clk : Clock connected on the rtc clock line. Must be assigned
14 a frequency with assigned-clocks property, and must be
19 spi1: spi@fc018000 {
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/security/tpm/
Dtpm_tis_spi.txt2 - compatible: should be one of the following
3 "st,st33htpm-spi"
5 "tcg,tpm_tis-spi"
6 - spi-max-frequency: Maximum SPI frequency (depends on TPMs).
9 - pinctrl-names: Contains only one value - "default".
10 - pintctrl-0: Specifies the pin control groups used for this controller.
12 Example (for ARM-based BeagleBoard xM with TPM_TIS on SPI4):
19 compatible = "tcg,tpm_tis-spi";
21 spi-max-frequency = <10000000>;
/Linux-v5.4/Documentation/devicetree/bindings/iio/proximity/
Das3935.txt4 - compatible: must be "ams,as3935"
5 - reg: SPI chip select number for the device
6 - spi-max-frequency: specifies maximum SPI clock frequency
7 - spi-cpha: SPI Mode 1. Refer to spi/spi-bus.txt for generic SPI
9 - interrupts : the sole interrupt generated by the device
11 Refer to interrupt-controller/interrupts.txt for generic
15 - ams,tuning-capacitor-pf: Calibration tuning capacitor stepping
16 value 0 - 120pF. This will require using the calibration data from
18 - ams,nflwdth: Set the noise and watchdog threshold register on
28 spi-max-frequency = <400000>;
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/iio/temperature/
Dmax31856.txt6 - thermocouple-type: Type of thermocouple (THERMOCOUPLE_TYPE_K if
10 - compatible: must be "maxim,max31856"
11 - reg: SPI chip select number for the device
12 - spi-max-frequency: As per datasheet max. supported freq is 5000000
13 - spi-cpha: must be defined for max31856 to enable SPI mode 1
15 Refer to spi/spi-bus.txt for generic SPI slave bindings.
18 temp-sensor@0 {
21 spi-max-frequency = <5000000>;
22 spi-cpha;
23 thermocouple-type = <THERMOCOUPLE_TYPE_K>;

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