| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/spi/ |
| D | spi-gpio.txt | 1 SPI-GPIO devicetree bindings
3 This represents a group of 3-n GPIO lines used for bit-banged SPI on dedicated
8 - compatible: should be set to "spi-gpio"
9 - #address-cells: should be set to <0x1>
10 - ranges
11 - sck-gpios: GPIO spec for the SCK line to use
12 - miso-gpios: GPIO spec for the MISO line to use
13 - mosi-gpios: GPIO spec for the MOSI line to use
14 - cs-gpios: GPIOs to use for chipselect lines.
15 Not needed if num-chipselects = <0>.
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/spi/ |
| D | spi-gpio.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: SPI-GPIO devicetree bindings
10 - Rob Herring <robh@kernel.org>
13 This represents a group of 3-n GPIO lines used for bit-banged SPI on
17 - $ref: "/schemas/spi/spi-controller.yaml#"
21 const: spi-gpio
23 sck-gpios:
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/iio/adc/ |
| D | avia-hx711.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: "http://devicetree.org/schemas/iio/adc/avia-hx711.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
10 - Andreas Klinger <ak@it-klinger.de>
13 Bit-banging driver using two GPIOs:
14 - sck-gpio gives a clock to the sensor with 24 cycles for data retrieval
17 - dout-gpio is the sensor data the sensor responds to the clock
25 - avia,hx711
27 sck-gpios:
[all …]
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/iio/adc/ |
| D | avia-hx711.txt | 2 Bit-banging driver
5 - compatible: Should be "avia,hx711"
6 - sck-gpios: Definition of the GPIO for the clock
7 - dout-gpios: Definition of the GPIO for data-out
9 - avdd-supply: Definition of the regulator used as analog supply
12 - clock-frequency: Frequency of PD_SCK in Hz
19 sck-gpios = <&gpio3 10 GPIO_ACTIVE_HIGH>;
20 dout-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
21 avdd-suppy = <&avdd>;
22 clock-frequency = <100000>;
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | at91-tse850-3.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * at91-tse850-3.dts - Device Tree file for the Axentia TSE-850 3.0 board
9 /dts-v1/;
10 #include <dt-bindings/pwm/pwm.h>
11 #include "at91-linea.dtsi"
14 model = "Axentia TSE-850 3.0";
18 sck: oscillator { label
19 compatible = "fixed-clock";
21 #clock-cells = <0>;
22 clock-frequency = <16000000>;
[all …]
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| D | ste-nomadik-nhk15.dts | 1 // SPDX-License-Identifier: GPL-2.0
6 /dts-v1/;
7 #include <dt-bindings/interrupt-controller/irq.h>
8 #include <dt-bindings/gpio/gpio.h>
9 #include "ste-nomadik-stn8815.dtsi"
13 compatible = "st,nomadik-nhk-15";
22 stmpe-i2c0 = &stmpe0;
23 stmpe-i2c1 = &stmpe1;
71 disable-sxtalo;
72 disable-mxtalo;
[all …]
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| D | bcm47081-buffalo-wzr-900dhp.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
4 * DTS for Buffalo WZR-900DHP
9 /dts-v1/;
12 #include "bcm5301x-nand-cs0-bch8.dtsi"
15 compatible = "buffalo,wzr-900dhp", "brcm,bcm47081", "brcm,bcm4708";
16 model = "Buffalo WZR-900DHP (BCM47081)";
29 compatible = "spi-gpio";
30 num-chipselects = <1>;
31 gpio-sck = <&chipcommon 7 0>;
32 gpio-mosi = <&chipcommon 4 0>;
[all …]
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| D | vf610-bk4.dts | 1 // 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 …]
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| D | bcm47081-buffalo-wzr-600dhp2.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
4 * DTS for Buffalo WZR-600DHP2
9 /dts-v1/;
12 #include "bcm5301x-nand-cs0-bch8.dtsi"
15 compatible = "buffalo,wzr-600dhp2", "brcm,bcm47081", "brcm,bcm4708";
16 model = "Buffalo WZR-600DHP2 (BCM47081)";
29 compatible = "spi-gpio";
30 num-chipselects = <1>;
31 gpio-sck = <&chipcommon 7 0>;
32 gpio-mosi = <&chipcommon 4 0>;
[all …]
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| D | bcm947189acdbmr.dts | 8 /dts-v1/;
26 compatible = "gpio-leds";
30 gpios = <&chipcommon 10 GPIO_ACTIVE_HIGH>;
35 gpios = <&chipcommon 11 GPIO_ACTIVE_HIGH>;
40 gpios = <&chipcommon 12 GPIO_ACTIVE_HIGH>;
44 gpio-keys {
45 compatible = "gpio-keys";
50 gpios = <&chipcommon 7 GPIO_ACTIVE_HIGH>;
56 gpios = <&chipcommon 9 GPIO_ACTIVE_LOW>;
61 compatible = "spi-gpio";
[all …]
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| D | bcm4708-buffalo-wzr-1750dhp.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
4 * DTS for Buffalo WZR-1750DHP
9 /dts-v1/;
12 #include "bcm5301x-nand-cs0-bch8.dtsi"
15 compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";
16 model = "Buffalo WZR-1750DHP (BCM4708)";
29 compatible = "spi-gpio";
30 num-chipselects = <1>;
31 gpio-sck = <&chipcommon 7 0>;
32 gpio-mosi = <&chipcommon 4 0>;
[all …]
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| /kernel/linux/linux-4.19/arch/arm/boot/dts/ |
| D | at91-tse850-3.dts | 2 * at91-tse850-3.dts - Device Tree file for the Axentia TSE-850 3.0 board
10 /dts-v1/;
11 #include <dt-bindings/pwm/pwm.h>
12 #include "at91-linea.dtsi"
15 model = "Axentia TSE-850 3.0";
23 pinctrl_usba_vbus: usba-vbus {
38 sck: oscillator { label
39 compatible = "fixed-clock";
41 #clock-cells = <0>;
42 clock-frequency = <16000000>;
[all …]
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| D | bcm47081-buffalo-wzr-900dhp.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
4 * DTS for Buffalo WZR-900DHP
9 /dts-v1/;
12 #include "bcm5301x-nand-cs0-bch8.dtsi"
15 compatible = "buffalo,wzr-900dhp", "brcm,bcm47081", "brcm,bcm4708";
16 model = "Buffalo WZR-900DHP (BCM47081)";
28 compatible = "spi-gpio";
29 num-chipselects = <1>;
30 gpio-sck = <&chipcommon 7 0>;
31 gpio-mosi = <&chipcommon 4 0>;
[all …]
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| D | bcm47081-buffalo-wzr-600dhp2.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
4 * DTS for Buffalo WZR-600DHP2
9 /dts-v1/;
12 #include "bcm5301x-nand-cs0-bch8.dtsi"
15 compatible = "buffalo,wzr-600dhp2", "brcm,bcm47081", "brcm,bcm4708";
16 model = "Buffalo WZR-600DHP2 (BCM47081)";
28 compatible = "spi-gpio";
29 num-chipselects = <1>;
30 gpio-sck = <&chipcommon 7 0>;
31 gpio-mosi = <&chipcommon 4 0>;
[all …]
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| D | bcm947189acdbmr.dts | 8 /dts-v1/;
25 compatible = "gpio-leds";
29 gpios = <&chipcommon 10 GPIO_ACTIVE_HIGH>;
34 gpios = <&chipcommon 11 GPIO_ACTIVE_HIGH>;
39 gpios = <&chipcommon 12 GPIO_ACTIVE_HIGH>;
43 gpio-keys {
44 compatible = "gpio-keys";
45 #address-cells = <1>;
46 #size-cells = <0>;
51 gpios = <&chipcommon 7 GPIO_ACTIVE_HIGH>;
[all …]
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| D | bcm4708-buffalo-wzr-1750dhp.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
4 * DTS for Buffalo WZR-1750DHP
9 /dts-v1/;
12 #include "bcm5301x-nand-cs0-bch8.dtsi"
15 compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";
16 model = "Buffalo WZR-1750DHP (BCM4708)";
28 compatible = "spi-gpio";
29 num-chipselects = <1>;
30 gpio-sck = <&chipcommon 7 0>;
31 gpio-mosi = <&chipcommon 4 0>;
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/pinctrl/ |
| D | marvell,dove-pinctrl.txt | 3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
7 - compatible: "marvell,dove-pinctrl"
8 - clocks: (optional) phandle of pdma clock
9 - reg: register specifiers of MPP, MPP4, and PMU MPP registers
23 uart1(cts), lcd-spi(cs1), pmu*
27 mpp7 7 gpio, pmu, uart3(rxd), sdio1(ledctrl), spi1(sck), pmu*
31 mpp11 11 gpio, pmu, sata(prsnt), sata-1(act), sdio0(ledctrl),
39 mpp16 16 gpio, uart3(rts), sdio0(cd), ac97(sdi1), lcd-spi(cs1)
41 ac97-1(sysclko)
43 mpp19 19 gpio, uart3(rxd), sdio0(ledctrl), twsi(sck)
[all …]
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/pinctrl/ |
| D | marvell,dove-pinctrl.txt | 3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
7 - compatible: "marvell,dove-pinctrl"
8 - clocks: (optional) phandle of pdma clock
9 - reg: register specifiers of MPP, MPP4, and PMU MPP registers
23 uart1(cts), lcd-spi(cs1), pmu*
27 mpp7 7 gpio, pmu, uart3(rxd), sdio1(ledctrl), spi1(sck), pmu*
31 mpp11 11 gpio, pmu, sata(prsnt), sata-1(act), sdio0(ledctrl),
39 mpp16 16 gpio, uart3(rts), sdio0(cd), ac97(sdi1), lcd-spi(cs1)
41 ac97-1(sysclko)
43 mpp19 19 gpio, uart3(rxd), sdio0(ledctrl), twsi(sck)
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/fpga/ |
| D | lattice-ice40-fpga-mgr.txt | 4 - compatible: Should contain "lattice,ice40-fpga-mgr"
5 - reg: SPI chip select
6 - spi-max-frequency: Maximum SPI frequency (>=1000000, <=25000000)
7 - cdone-gpios: GPIO input connected to CDONE pin
8 - reset-gpios: Active-low GPIO output connected to CRESET_B pin. Note
10 FPGA will enter Master SPI mode and drive SCK with a
16 compatible = "lattice,ice40-fpga-mgr";
18 spi-max-frequency = <1000000>;
19 cdone-gpios = <&gpio 24 GPIO_ACTIVE_HIGH>;
20 reset-gpios = <&gpio 22 GPIO_ACTIVE_LOW>;
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/fpga/ |
| D | lattice-ice40-fpga-mgr.txt | 4 - compatible: Should contain "lattice,ice40-fpga-mgr"
5 - reg: SPI chip select
6 - spi-max-frequency: Maximum SPI frequency (>=1000000, <=25000000)
7 - cdone-gpios: GPIO input connected to CDONE pin
8 - reset-gpios: Active-low GPIO output connected to CRESET_B pin. Note
10 FPGA will enter Master SPI mode and drive SCK with a
16 compatible = "lattice,ice40-fpga-mgr";
18 spi-max-frequency = <1000000>;
19 cdone-gpios = <&gpio 24 GPIO_ACTIVE_HIGH>;
20 reset-gpios = <&gpio 22 GPIO_ACTIVE_LOW>;
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| /kernel/linux/linux-5.10/drivers/spi/ |
| D | spi-gpio.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
26 * platform_device->driver_data ... points to spi_gpio
28 * spi->controller_state ... reserved for bitbang framework code
30 * spi->master->dev.driver_data ... points to spi_gpio->bitbang
35 struct gpio_desc *sck; member
41 /*----------------------------------------------------------------------*/
48 * - The slow generic way: set up platform_data to hold the GPIO
49 * numbers used for MISO/MOSI/SCK, and issue procedure calls for
52 * - The quicker inlined way: only helps with platform GPIO code
53 * that inlines operations for constant GPIOs. This can give
[all …]
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| /kernel/linux/linux-4.19/drivers/spi/ |
| D | spi-gpio.c | 35 * platform_device->driver_data ... points to spi_gpio
37 * spi->controller_state ... reserved for bitbang framework code
38 * spi->controller_data ... holds chipselect GPIO
40 * spi->master->dev.driver_data ... points to spi_gpio->bitbang
47 struct gpio_desc *sck; member
54 /*----------------------------------------------------------------------*/
61 * - The slow generic way: set up platform_data to hold the GPIO
62 * numbers used for MISO/MOSI/SCK, and issue procedure calls for
65 * - The quicker inlined way: only helps with platform GPIO code
66 * that inlines operations for constant GPIOs. This can give
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/sound/ |
| D | axentia,tse850-pcm5142.txt | 1 Devicetree bindings for the Axentia TSE-850 audio complex
4 - compatible: "axentia,tse850-pcm5142"
5 - axentia,cpu-dai: The phandle of the cpu dai.
6 - axentia,audio-codec: The phandle of the PCM5142 codec.
7 - axentia,add-gpios: gpio specifier that controls the mixer.
8 - axentia,loop1-gpios: gpio specifier that controls loop relays on channel 1.
9 - axentia,loop2-gpios: gpio specifier that controls loop relays on channel 2.
10 - axentia,ana-supply: Regulator that supplies the output amplifier. Must
11 support voltages in the 2V - 20V range, in 1V steps.
13 The schematics explaining the gpios are as follows:
[all …]
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/sound/ |
| D | axentia,tse850-pcm5142.txt | 1 Devicetree bindings for the Axentia TSE-850 audio complex
4 - compatible: "axentia,tse850-pcm5142"
5 - axentia,cpu-dai: The phandle of the cpu dai.
6 - axentia,audio-codec: The phandle of the PCM5142 codec.
7 - axentia,add-gpios: gpio specifier that controls the mixer.
8 - axentia,loop1-gpios: gpio specifier that controls loop relays on channel 1.
9 - axentia,loop2-gpios: gpio specifier that controls loop relays on channel 2.
10 - axentia,ana-supply: Regulator that supplies the output amplifier. Must
11 support voltages in the 2V - 20V range, in 1V steps.
13 The schematics explaining the gpios are as follows:
[all …]
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| /kernel/linux/linux-4.19/arch/arm64/boot/dts/amlogic/ |
| D | meson-gxbb-odroidc2.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
10 #include "meson-gxbb.dtsi"
11 #include <dt-bindings/gpio/gpio.h>
14 compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
15 model = "Hardkernel ODROID-C2";
23 stdout-path = "serial0:115200n8";
31 usb_otg_pwr: regulator-usb-pwrs {
32 compatible = "regulator-fixed";
34 regulator-name = "USB_OTG_PWR";
[all …]
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