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/linux-5.10/Documentation/devicetree/bindings/spi/
Dbrcm,bcm2835-aux-spi.txt8 - compatible: Should be "brcm,bcm2835-aux-spi".
9 - reg: Should contain register location and length for the spi block
10 - interrupts: Should contain shared interrupt of the aux block
11 - clocks: The clock feeding the SPI controller - needs to
15 - cs-gpios: the cs-gpios (native cs is NOT supported)
16 see also spi-bus.txt
21 compatible = "brcm,bcm2835-aux-spi";
25 #address-cells = <1>;
26 #size-cells = <0>;
27 cs-gpios = <&gpio 18>, <&gpio 17>, <&gpio 16>;
[all …]
Dspi-controller.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mark Brown <broonie@kernel.org>
20 pattern: "^spi(@.*|-[0-9a-f])*$"
22 "#address-cells":
25 "#size-cells":
28 cs-gpios:
30 GPIOs used as chip selects.
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Dspi-gpio.yaml1 # 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:
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Dfsl-spi.txt4 - cell-index : QE SPI subblock index.
7 - compatible : should be "fsl,spi" or "aeroflexgaisler,spictrl".
8 - mode : the SPI operation mode, it can be "cpu" or "cpu-qe".
9 - reg : Offset and length of the register set for the device
10 - interrupts : <a b> where a is the interrupt number and b is a
15 - clock-frequency : input clock frequency to non FSL_SOC cores
18 - cs-gpios : specifies the gpio pins to be used for chipselects.
19 The gpios will be referred to as reg = <index> in the SPI child nodes.
21 - fsl,spisel_boot : for the MPC8306 and MPC8309, specifies that the
23 reg = <number of gpios> in the corresponding child node, i.e. 0 if
[all …]
Dspi-samsung.txt8 - compatible: should be one of the following.
9 - samsung,s3c2443-spi: for s3c2443, s3c2416 and s3c2450 platforms
10 - samsung,s3c6410-spi: for s3c6410 platforms
11 - samsung,s5pv210-spi: for s5pv210 and s5pc110 platforms
12 - samsung,exynos5433-spi: for exynos5433 compatible controllers
13 - samsung,exynos7-spi: for exynos7 platforms <DEPRECATED>
15 - reg: physical base address of the controller and length of memory mapped
18 - interrupts: The interrupt number to the cpu. The interrupt specifier format
21 - dmas : Two or more DMA channel specifiers following the convention outlined
24 - dma-names: Names for the dma channels. There must be at least one channel
[all …]
Dspi_atmel.txt4 - compatible : should be "atmel,at91rm9200-spi" or "microchip,sam9x60-spi".
5 - reg: Address and length of the register set for the device
6 - interrupts: Should contain spi interrupt
7 - cs-gpios: chipselects (optional for SPI controller version >= 2 with the
9 - clock-names: tuple listing input clock names.
11 - clocks: phandles to input clocks.
14 - atmel,fifo-size: maximum number of data the RX and TX FIFOs can store for FIFO
20 compatible = "atmel,at91rm9200-spi";
23 #address-cells = <1>;
24 #size-cells = <0>;
[all …]
Dspi-davinci.txt4 Keystone 2 - https://www.ti.com/lit/ug/sprugp2a/sprugp2a.pdf
5 dm644x - https://www.ti.com/lit/ug/sprue32a/sprue32a.pdf
6 OMAP-L138/da830 - http://www.ti.com/lit/ug/spruh77a/spruh77a.pdf
9 - #address-cells: number of cells required to define a chip select
11 - #size-cells: should be zero.
12 - compatible:
13 - "ti,dm6441-spi" for SPI used similar to that on DM644x SoC family
14 - "ti,da830-spi" for SPI used similar to that on DA8xx SoC family
15 - "ti,keystone-spi" for SPI used similar to that on Keystone2 SoC
17 - reg: Offset and length of SPI controller register space
[all …]
Dqcom,spi-qup.txt4 and an input FIFO) for serial peripheral interface (SPI) mini-core.
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.
19 - clock-names: Should be "core" for the core clock and "iface" for the
22 - #address-cells: Number of cells required to define a chip select
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/linux-5.10/drivers/gpio/
Dgpiolib-of.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (c) 2007-2008 MontaVista Software, Inc.
24 #include "gpiolib-of.h"
27 * of_gpio_spi_cs_get_count() - special GPIO counting for SPI
33 * established "cs-gpios" for chip selects but instead rely on
34 * "gpios" for the chip select lines. If we detect this, we redirect
35 * the counting of "cs-gpios" to count "gpios" transparent to the
40 struct device_node *np = dev->of_node; in of_gpio_spi_cs_get_count()
44 if (!con_id || strcmp(con_id, "cs")) in of_gpio_spi_cs_get_count()
48 !of_device_is_compatible(np, "ibm,ppc4xx-spi")) in of_gpio_spi_cs_get_count()
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/linux-5.10/Documentation/devicetree/bindings/gpio/
Dspear_spics.txt1 === ST Microelectronics SPEAr SPI CS Driver ===
10 Chipselects can be controlled by software by turning them as GPIOs. SPEAr
17 * compatible: should be defined as "st,spear-spics-gpio"
19 * st-spics,peripcfg-reg: peripheral configuration register offset
20 * st-spics,sw-enable-bit: bit offset to enable sw control
21 * st-spics,cs-value-bit: bit offset to drive chipselect low or high
22 * st-spics,cs-enable-mask: chip select number bit mask
23 * st-spics,cs-enable-shift: chip select number program offset
24 * gpio-controller: Marks the device node as gpio controller
25 * #gpio-cells: should be 1 and will mention chip select number
[all …]
/linux-5.10/arch/arm/boot/dts/
Dkeystone-k2hk-evm.dts1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2013-2017 Texas Instruments Incorporated - http://www.ti.com/
7 /dts-v1/;
10 #include "keystone-k2hk.dtsi"
13 compatible = "ti,k2hk-evm", "ti,k2hk", "ti,keystone";
16 reserved-memory {
17 #address-cells = <2>;
18 #size-cells = <2>;
21 dsp_common_memory: dsp-common-memory@81f800000 {
22 compatible = "shared-dma-pool";
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Dimx6qdl-rex.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
13 stdout-path = &uart1;
17 compatible = "simple-bus";
18 #address-cells = <1>;
19 #size-cells = <0>;
22 compatible = "regulator-fixed";
24 regulator-name = "3P3V";
25 regulator-min-microvolt = <3300000>;
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Dimx6dl-prtrvt.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
6 /dts-v1/;
8 #include "imx6qdl-prti6q.dtsi"
9 #include <dt-bindings/leds/common.h>
21 compatible = "gpio-leds";
22 pinctrl-names = "default";
23 pinctrl-0 = <&pinctrl_leds>;
25 led-debug0 {
27 gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
28 linux,default-trigger = "heartbeat";
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Dimx31-lite.dts1 // SPDX-License-Identifier: GPL-2.0+
3 // Copyright (C) 2016-2018 Vladimir Zapolskiy <vz@mleia.com>
5 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
14 compatible = "logicpd,imx31-lite", "fsl,imx31";
17 stdout-path = &uart1;
26 compatible = "gpio-leds";
29 gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
33 gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
[all …]
Domap3-devkit8000-common.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
6 #include <dt-bindings/input/input.h>
16 compatible = "gpio-leds";
20 gpios = <&gpio6 26 GPIO_ACTIVE_HIGH>; /* 186 -> LED1 */
21 default-state = "on";
22 linux,default-trigger = "heartbeat";
27 gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>; /* 163 -> LED2 */
28 default-state = "on";
29 linux,default-trigger = "none";
34 gpios = <&gpio6 4 GPIO_ACTIVE_HIGH>; /* 164 -> LED3 */
[all …]
Dimx6q-prti6q.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
6 /dts-v1/;
8 #include "imx6qdl-prti6q.dtsi"
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/sound/fsl-imx-audmux.h>
21 backlight_lcd: backlight-lcd {
22 compatible = "pwm-backlight";
23 pinctrl-names = "default";
24 pinctrl-0 = <&pinctrl_backlight>;
26 brightness-levels = <0 16 64 255>;
[all …]
Defm32gg-dk3750.dts1 // SPDX-License-Identifier: GPL-2.0
3 * Device tree for EFM32GG-DK3750 development board.
6 * http://www.silabs.com/Support%20Documents/TechnicalDocs/efm32gg-dk3750-ug.pdf
9 /dts-v1/;
47 cs-gpios = <&gpio 68 1>; // E4
52 compatible = "mmc-spi-slot";
53 spi-max-frequency = <100000>;
54 voltage-ranges = <3200 3400>;
55 broken-cd;
61 cs-gpios = <&gpio 51 1>; // D3
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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 …]
Dpxa300-raumfeld-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 #include <dt-bindings/gpio/gpio.h>
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/interrupt-controller/irq.h>
10 hw-revision = <0>;
14 stdout-path = &ffuart;
22 reg_3v3: regulator-3v3 {
23 compatible = "regulator-fixed";
24 regulator-name = "3v3-fixed-supply";
25 regulator-min-microvolt = <3300000>;
[all …]
Dusb_a9263.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * usb_a9263.dts - Device Tree file for Caloa USB A9293 board
5 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
7 /dts-v1/;
12 compatible = "atmel,usb-a9263", "atmel,at91sam9263", "atmel,at91sam9";
24 clock-frequency = <32768>;
28 clock-frequency = <12000000>;
40 compatible = "atmel,tcb-timer";
45 compatible = "atmel,tcb-timer";
51 phy-mode = "rmii";
[all …]
Domap3-ldp.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
5 /dts-v1/;
7 #include <dt-bindings/input/input.h>
9 #include "omap-gpmc-smsc911x.dtsi"
13 compatible = "ti,omap3-ldp", "ti,omap3430", "ti,omap3";
22 cpu0-supply = <&vcc>;
27 compatible = "gpio-keys";
28 pinctrl-names = "default";
29 pinctrl-0 = <&gpio_key_pins>;
[all …]
/linux-5.10/Documentation/devicetree/bindings/mfd/
Datmel-usart.txt4 - compatible: Should be one of the following:
5 - "atmel,at91rm9200-usart"
6 - "atmel,at91sam9260-usart"
7 - "microchip,sam9x60-usart"
8 - "atmel,at91rm9200-dbgu", "atmel,at91rm9200-usart"
9 - "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"
10 - "microchip,sam9x60-dbgu", "microchip,sam9x60-usart"
11 - reg: Should contain registers location and length
12 - interrupts: Should contain interrupt
13 - clock-names: tuple listing input clock names.
[all …]
/linux-5.10/arch/powerpc/boot/dts/
Dac14xx.dts1 // 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>;
[all …]
/linux-5.10/Documentation/devicetree/bindings/mtd/
Dfsl-upm-nand.txt4 - compatible : "fsl,upm-nand".
5 - reg : should specify localbus chip select and size used for the chip.
6 - fsl,upm-addr-offset : UPM pattern offset for the address latch.
7 - fsl,upm-cmd-offset : UPM pattern offset for the command latch.
10 - fsl,upm-addr-line-cs-offsets : address offsets for multi-chip support.
12 - gpios : may specify optional GPIOs connected to the Ready-Not-Busy pins
13 (R/B#). For multi-chip devices, "n" GPIO definitions are required
17 - fsl,upm-wait-flags : add chip-dependent short delays after running the
20 - chip-delay : chip dependent delay for transferring data from array to
21 read registers (tR). Required if property "gpios" is not used
[all …]
Datmel-nand.txt4 Documentation/devicetree/bindings/memory-controllers/atmel,ebi.txt).
11 - compatible: should be one of the following
12 "atmel,at91rm9200-nand-controller"
13 "atmel,at91sam9260-nand-controller"
14 "atmel,at91sam9261-nand-controller"
15 "atmel,at91sam9g45-nand-controller"
16 "atmel,sama5d3-nand-controller"
17 "microchip,sam9x60-nand-controller"
18 - ranges: empty ranges property to forward EBI ranges definitions.
19 - #address-cells: should be set to 2.
[all …]

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