| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/net/ |
| H A D | sff,sfp.txt | 1 Small Form Factor (SFF) Committee Small Form-factor Pluggable (SFP)
6 - compatible : must be one of
10 - i2c-bus : phandle of an I2C bus controller for the SFP two wire serial
15 - mod-def0-gpios : GPIO phandle and a specifier of the MOD-DEF0 (AKA Mod_ABS)
17 not be present for SFF modules
19 - los-gpios : GPIO phandle and a specifier of the Receiver Loss of Signal
22 - tx-fault-gpios : GPIO phandle and a specifier of the Module Transmitter
25 - tx-disable-gpios : GPIO phandle and a specifier of the Transmitter Disable
28 - rate-select0-gpios : GPIO phandle and a specifier of the Rx Signaling Rate
30 Must not be present for SFF modules
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| H A D | fsl-fec.txt | 4 - compatible : Should be "fsl,<soc>-fec"
5 - reg : Address and length of the register set for the device
6 - interrupts : Should contain fec interrupt
7 - phy-mode : See ethernet.txt file in the same directory
10 - phy-supply : regulator that powers the Ethernet PHY.
11 - phy-handle : phandle to the PHY device connected to this device.
12 - fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
13 Use instead of phy-handle.
14 - fsl,num-tx-queues : The property is valid for enet-avb IP, which supports
17 - fsl,num-rx-queues : The property is valid for enet-avb IP, which supports
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/ |
| H A D | sirf-audio.txt | 4 - compatible: "sirf,sirf-audio-card"
5 - sirf,audio-platform: phandle for the platform node
6 - sirf,audio-codec: phandle for the SiRF internal codec node
9 - hp-pa-gpios: Need to be present if the board need control external
11 - spk-pa-gpios: Need to be present if the board need control external
13 - hp-switch-gpios: Need to be present if the board capable to detect jack
16 Available audio endpoints for the audio-routing table:
34 compatible = "sirf,sirf-audio-card";
35 sirf,audio-codec = <&audiocodec>;
36 sirf,audio-platform = <&audioport>;
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| H A D | st,sta350.txt | 7 - compatible: "st,sta350"
8 - reg: the I2C address of the device for I2C
9 - reset-gpios: a GPIO spec for the reset pin. If specified, it will be
12 - power-down-gpios: a GPIO spec for the power down pin. If specified,
16 - vdd-dig-supply: regulator spec, providing 3.3V
17 - vdd-pll-supply: regulator spec, providing 3.3V
18 - vcc-supply: regulator spec, providing 5V - 26V
22 - st,output-conf: number, Selects the output configuration:
23 0: 2-channel (full-bridge) power, 2-channel data-out
24 1: 2 (half-bridge). 1 (full-bridge) on-board power
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| H A D | st,sta32x.txt | 7 - compatible: "st,sta32x"
8 - reg: the I2C address of the device for I2C
9 - reset-gpios: a GPIO spec for the reset pin. If specified, it will be
12 - power-down-gpios: a GPIO spec for the power down pin. If specified,
16 - Vdda-supply: regulator spec, providing 3.3V
17 - Vdd3-supply: regulator spec, providing 3.3V
18 - Vcc-supply: regulator spec, providing 5V - 26V
22 - clocks, clock-names: Clock specifier for XTI input clock.
24 and disabled when it is removed. The 'clock-names' must be set to 'xti'.
26 - st,output-conf: number, Selects the output configuration:
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| H A D | nvidia,tegra-audio-rt5677.txt | 4 - compatible : "nvidia,tegra-audio-rt5677"
5 - clocks : Must contain an entry for each entry in clock-names.
6 See ../clocks/clock-bindings.txt for details.
7 - clock-names : Must include the following entries:
8 - pll_a
9 - pll_a_out0
10 - mclk (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
11 - nvidia,model : The user-visible name of this sound complex.
12 - nvidia,audio-routing : A list of the connections between audio components.
24 - nvidia,i2s-controller : The phandle of the Tegra I2S controller that's
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| /OK3568_Linux_fs/kernel/drivers/tty/serial/ |
| H A D | serial_mctrl_gpio.c | 1 // SPDX-License-Identifier: GPL-2.0+
45 void mctrl_gpio_set(struct mctrl_gpios *gpios, unsigned int mctrl) in mctrl_gpio_set() argument
52 if (gpios == NULL) in mctrl_gpio_set()
56 if (gpios->gpio[i] && mctrl_gpio_flags_is_dir_out(i)) { in mctrl_gpio_set()
57 desc_array[count] = gpios->gpio[i]; in mctrl_gpio_set()
66 struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios, in mctrl_gpio_to_gpiod() argument
69 if (gpios == NULL) in mctrl_gpio_to_gpiod()
72 return gpios->gpio[gidx]; in mctrl_gpio_to_gpiod()
76 unsigned int mctrl_gpio_get(struct mctrl_gpios *gpios, unsigned int *mctrl) in mctrl_gpio_get() argument
80 if (gpios == NULL) in mctrl_gpio_get()
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mtd/ |
| H A D | atmel-nand.txt | 4 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.
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| H A D | gpio-control-nand.txt | 8 - compatible : "gpio-control-nand"
9 - reg : should specify localbus chip select and size used for the chip. The
12 - #address-cells, #size-cells : Must be present if the device has sub-nodes
14 - gpios : Specifies the GPIO pins to control the NAND device. The order of
18 - bank-width : Width (in bytes) of the device. If not present, the width
20 - chip-delay : chip dependent delay for transferring data from array to
21 read registers (tR). If not present then a default of 20us is used.
22 - gpio-control-nand,io-sync-reg : A 64-bit physical address for a read
24 the GPIO's and the NAND flash data bus. If present, then after changing
28 The device tree may optionally contain sub-nodes describing partitions of the
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/net/nfc/ |
| H A D | st-nci-spi.txt | 4 - compatible: Should be "st,st21nfcb-spi"
5 - spi-max-frequency: Maximum SPI frequency (<= 4000000).
6 - interrupts: GPIO interrupt to which the chip is connected
7 - reset-gpios: Output GPIO pin used to reset the ST21NFCB
10 - pinctrl-names: Contains only one value - "default".
11 - pintctrl-0: Specifies the pin control groups used for this controller.
12 - ese-present: Specifies that an ese is physically connected to the nfc
14 - uicc-present: Specifies that the uicc swp signal can be physically
17 Example (for ARM-based BeagleBoard xM with ST21NFCB on SPI4):
24 compatible = "st,st21nfcb-spi";
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| H A D | st21nfca.txt | 4 - compatible: Should be "st,st21nfca-i2c".
5 - clock-frequency: I²C work frequency.
6 - reg: address on the bus
7 - enable-gpios: Output GPIO pin used for enabling/disabling the ST21NFCA
10 - pinctrl-names: Contains only one value - "default".
11 - pintctrl-0: Specifies the pin control groups used for this controller.
12 - ese-present: Specifies that an ese is physically connected to the nfc
14 - uicc-present: Specifies that the uicc swp signal can be physically
17 Example (for ARM-based BeagleBoard xM with ST21NFCA on I2C2):
24 compatible = "st,st21nfca-i2c";
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| H A D | st-nci-i2c.txt | 4 - compatible: Should be "st,st21nfcb-i2c" or "st,st21nfcc-i2c".
5 - clock-frequency: I²C work frequency.
6 - reg: address on the bus
7 - interrupts: GPIO interrupt to which the chip is connected
8 - reset-gpios: Output GPIO pin used to reset the ST21NFCB
11 - pinctrl-names: Contains only one value - "default".
12 - pintctrl-0: Specifies the pin control groups used for this controller.
13 - ese-present: Specifies that an ese is physically connected to the nfc
15 - uicc-present: Specifies that the uicc swp signal can be physically
18 Example (for ARM-based BeagleBoard xM with ST21NFCB on I2C2):
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/serial/ |
| H A D | serial.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
10 - Rob Herring <robh@kernel.org>
11 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
19 where N is the port number (non-negative decimal integer) as printed on the
26 cts-gpios:
32 dcd-gpios:
38 dsr-gpios:
44 dtr-gpios:
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| /OK3568_Linux_fs/u-boot/doc/device-tree-bindings/spi/ |
| H A D | spi-bus.txt | 10 - #address-cells - number of cells required to define a chip select
12 - #size-cells - should be zero.
13 - compatible - name of SPI bus controller following generic names
15 - cs-gpios - (optional) gpios chip select.
20 flexible and non-standardized, it is left out of this binding with the
26 - num-cs : total number of chipselects
28 If cs-gpios is used the number of chip select will automatically increased
29 with max(cs-gpios > hw cs)
31 So if for example the controller has 2 CS lines, and the cs-gpios
34 cs-gpios = <&gpio1 0 0> <0> <&gpio1 1 0> <&gpio1 2 0>;
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mfd/ |
| H A D | cirrus,lochnagar.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - patches@opensource.cirrus.com
15 Logic devices on mini-cards, as well as allowing connection of
25 [2] include/dt-bindings/pinctrl/lochnagar.h
26 [3] include/dt-bindings/clock/lochnagar.h
28 And these documents for the required sub-node binding details:
35 - if:
39 - cirrus,lochnagar2
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| /OK3568_Linux_fs/kernel/Documentation/firmware-guide/acpi/ |
| H A D | enumeration.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 that are accessed through memory-mapped registers.
15 In order to support this and re-use the existing drivers as much as
18 - Devices that have no bus connector resource are represented as
21 - Devices behind real busses where there is a connector resource
33 This means that when ACPI_HANDLE(dev) returns non-NULL the device was
35 device-specific configuration. There is an example of this below.
42 for the device and add supported ACPI IDs. If this same IP-block is used on
43 some other non-ACPI platform, the driver might work out of the box or needs
65 configuring GPIOs it can get its ACPI handle and extract this information
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| H A D | gpio-properties.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 allows names to be given to GPIOs (and other things as well) returned
13 With _DSD we can now query GPIOs using a name instead of an integer
16 // Bluetooth device with reset and shutdown GPIOs
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 }},
61 In our Bluetooth example the "reset-gpios" refers to the second GpioIo()
75 assuming non-active (Polarity = !Pull Bias)
77 Down High as low, assuming non-active
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| /OK3568_Linux_fs/kernel/arch/arm/boot/dts/ |
| H A D | aspeed-bmc-opp-zaius.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "aspeed-g5.dtsi"
4 #include <dt-bindings/gpio/aspeed-gpio.h>
8 compatible = "ingrasys,zaius-bmc", "aspeed,ast2500";
19 stdout-path = &uart5;
27 reserved-memory {
28 #address-cells = <1>;
29 #size-cells = <1>;
33 no-map;
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| H A D | kirkwood-dnskw.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
3 #include "kirkwood-6281.dtsi"
6 model = "D-Link DNS NASes (kirkwood-based)";
7 compatible = "dlink,dns-kirkwood", "marvell,kirkwood-88f6281", "marvell,kirkwood";
10 compatible = "gpio-keys";
11 #address-cells = <1>;
12 #size-cells = <0>;
13 pinctrl-0 = <&pmx_button_power &pmx_button_unmount
15 pinctrl-names = "default";
20 gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
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| /OK3568_Linux_fs/u-boot/doc/device-tree-bindings/leds/ |
| H A D | leds-gpio.txt | 4 - compatible : should be "gpio-leds".
6 Each LED is represented as a sub-node of the gpio-leds device. Each
9 LED sub-node properties:
10 - gpios : Should specify the LED's GPIO, see "gpios property" in
13 - label : (optional)
15 - linux,default-trigger : (optional)
17 - default-state: (optional) The initial state of the LED. Valid
19 and the default-state property is set the to same value, then no
23 property is not present.
28 compatible = "gpio-leds";
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/pps/ |
| H A D | pps-gpio.txt | 1 Device-Tree Bindings for a PPS Signal on GPIO
3 These properties describe a PPS (pulse-per-second) signal connected to
7 - compatible: should be "pps-gpio"
8 - gpios: one PPS GPIO in the format described by ../gpio/gpio.txt
11 - echo-gpios: one PPS ECHO GPIO in the format described by ../gpio/gpio.txt
12 - echo-active-ms: duration in ms of the active portion of the echo pulse
15 - assert-falling-edge: when present, assert is indicated by a falling edge
20 pinctrl-names = "default";
21 pinctrl-0 = <&pinctrl_pps>;
23 gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
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| /OK3568_Linux_fs/kernel/drivers/gpio/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
26 int "Maximum number of GPIOs for fast path"
55 These checks help ensure that GPIOs have been properly initialized
57 non-sleeping contexts. They can make bitbanged serial protocols
65 Say Y here to add the legacy sysfs interface for GPIOs.
77 for GPIOs. The character device allows userspace to control GPIOs
115 tristate "GPIO driver for 74xx-ICs with MMIO access"
119 Say yes here to support GPIO functionality for 74xx-compatible ICs
135 If driver is built as a module it will be called gpio-altera.
259 Selecting this option will enable handling of GPIO pins present
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/media/xilinx/ |
| H A D | xlnx,csi2rxss.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Xilinx MIPI CSI-2 Receiver Subsystem
10 - Vishal Sagar <vishal.sagar@xilinx.com>
13 The Xilinx MIPI CSI-2 Receiver Subsystem is used to capture MIPI CSI-2
16 The subsystem consists of a MIPI D-PHY in slave mode which captures the
17 data packets. This is passed along the MIPI CSI-2 Rx IP which extracts the
20 For more details, please refer to PG232 Xilinx MIPI CSI-2 Receiver Subsystem.
21 Please note that this bindings includes only the MIPI CSI-2 Rx controller
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| /OK3568_Linux_fs/kernel/arch/arm64/boot/dts/marvell/ |
| H A D | armada-3720-turris-mox.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include <dt-bindings/bus/moxtet.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12 #include "armada-372x.dtsi"
16 compatible = "cznic,turris-mox", "marvell,armada3720",
28 stdout-path = "serial0:115200n8";
37 compatible = "gpio-leds";
40 gpios = <&gpiosb 21 GPIO_ACTIVE_LOW>;
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/gpio/ |
| H A D | gpio.txt | 4 1) gpios property
5 -----------------
7 GPIO properties should be named "[<name>-]gpios", with <name> being the purpose
8 of this GPIO for the device. While a non-existent <name> is considered valid
9 for compatibility reasons (resolving to the "gpios" property), it is not allowed
10 for new bindings. Also, GPIO properties named "[<name>-]gpio" are valid and old
15 cases should they contain more than one. If your device uses several GPIOs with
17 meaningful name. The only case where an array of GPIOs is accepted is when
18 several GPIOs serve the same function (e.g. a parallel data line).
20 The exact purpose of each gpios property must be documented in the device tree
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