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/openbmc/u-boot/drivers/gpio/
H A Dhsdk-creg-gpio.c12 #include <asm-generic/gpio.h>
32 u8 reg_shift = oft * hcg->bit_per_gpio + hcg->shift; in hsdk_creg_gpio_set_value()
33 u32 reg = readl(hcg->regs); in hsdk_creg_gpio_set_value()
35 reg &= ~(GENMASK(hcg->bit_per_gpio - 1, 0) << reg_shift); in hsdk_creg_gpio_set_value()
36 reg |= ((val ? hcg->deactivate : hcg->activate) << reg_shift); in hsdk_creg_gpio_set_value()
38 writel(reg, hcg->regs); in hsdk_creg_gpio_set_value()
55 pr_err("%s can't be used as input!\n", uc_priv->bank_name); in hsdk_creg_gpio_direction_input()
57 return -ENOTSUPP; in hsdk_creg_gpio_direction_input()
63 u32 val = readl(hcg->regs); in hsdk_creg_gpio_get_value()
65 val >>= oft * hcg->bit_per_gpio + hcg->shift; in hsdk_creg_gpio_get_value()
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/openbmc/linux/Documentation/devicetree/bindings/power/supply/
H A Dactive-semi,act8945a-charger.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/active-semi,act8945a-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Active-semi ACT8945A Charger Function
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
17 const: active-semi,act8945a-charger
22 active-semi,chglev-gpios:
24 description: charge current level GPIO
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/openbmc/linux/Documentation/devicetree/bindings/input/
H A Drotary-encoder.txt4 - gpios: a spec for at least two GPIOs to be used, most significant first
7 - linux,axis: the input subsystem axis to map to this rotary encoder.
8 Defaults to 0 (ABS_X / REL_X)
9 - rotary-encoder,steps: Number of steps in a full turnaround of the
10 encoder. Only relevant for absolute axis. Defaults to 24 which is a
12 - rotary-encoder,relative-axis: register a relative axis rather than an
13 absolute one. Relative axis will only generate +1/-1 events on the input
15 - rotary-encoder,rollover: Automatic rollover when the rotary value becomes
17 - rotary-encoder,steps-per-period: Number of steps (stable states) per period.
19 1: Full-period mode (default)
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H A Dgpio-decoder.txt1 * GPIO Decoder DT bindings
4 - compatible: should be "gpio-decoder"
5 - gpios: a spec of gpios (at least two) to be decoded to a number with
9 - decoder-max-value: Maximum possible value that can be reported by
11 - linux,axis: the input subsystem axis to map to (ABS_X/ABS_Y).
12 Defaults to 0 (ABS_X).
15 gpio-decoder0 {
16 compatible = "gpio-decoder";
22 decoder-max-value = <9>;
H A Dgpio-keys.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/input/gpio-keys.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO attached keys
10 - Rob Herring <robh@kernel.org>
15 - gpio-keys
16 - gpio-keys-polled
23 poll-interval: true
26 …"^(button|event|key|switch|(button|event|key|switch)-[a-z0-9-]+|[a-z0-9-]+-(button|event|key|switc…
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/openbmc/linux/Documentation/devicetree/bindings/regulator/
H A Dmaxim,max8952.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 - $ref: regulator.yaml#
19 max8952,default-mode:
25 max8952,dvs-mode-microvolt:
35 max8952,en-gpio:
38 GPIO used to control enable status of regulator
40 max8952,ramp-speed:
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/openbmc/u-boot/doc/device-tree-bindings/gpio/
H A Daltera_pio.txt1 Altera GPIO controller bindings
4 - compatible:
5 - "altr,pio-1.0"
6 - reg: Physical base address and length of the controller's registers.
9 - altr,gpio-bank-width: Width of the GPIO bank. This defines how many pins the
10 GPIO device has. Ranges between 1-32. Optional and defaults to 32 if not
12 - gpio-bank-name: bank name attached to this device.
16 user_led_pio_8out: gpio@0x4cc0 {
17 compatible = "altr,pio-1.0";
20 altr,gpio-bank-width = <8>;
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/openbmc/linux/Documentation/devicetree/bindings/mfd/
H A Dwlf,arizona.yaml1 # 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
17 - $ref: /schemas/spi/spi-peripheral-props.yaml
18 - $ref: /schemas/sound/wlf,arizona.yaml#
19 - $ref: /schemas/regulator/wlf,arizona.yaml#
20 - $ref: /schemas/extcon/wlf,arizona.yaml#
21 - if:
26 - cirrus,cs47l24
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H A Dda9062.txt4 - https://www.dialog-semiconductor.com/products/da9062
5 - https://www.dialog-semiconductor.com/products/da9061
10 ------ ------------ -----------
11 da9062-regulator : : LDOs & BUCKs
12 da9062-rtc : : Real-Time Clock
13 da9062-onkey : : On Key
14 da9062-watchdog : : Watchdog Timer
15 da9062-thermal : : Thermal
16 da9062-gpio : : GPIOs
21 ------ ------------ -----------
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/openbmc/linux/Documentation/devicetree/bindings/gpio/
H A Dgpio-altera.txt1 Altera GPIO controller bindings
4 - compatible:
5 - "altr,pio-1.0"
6 - reg: Physical base address and length of the controller's registers.
7 - #gpio-cells : Should be 2
8 - The first cell is the gpio offset number.
9 - The second cell is reserved and is currently unused.
10 - gpio-controller : Marks the device node as a GPIO controller.
11 - interrupt-controller: Mark the device node as an interrupt controller
12 - #interrupt-cells : Should be 2. The interrupt type is fixed in the hardware.
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/openbmc/linux/Documentation/devicetree/bindings/net/
H A Drfkill-gpio.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/rfkill-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO controlled rfkill switch
10 - Johannes Berg <johannes@sipsolutions.net>
11 - Philipp Zabel <p.zabel@pengutronix.de>
15 const: rfkill-gpio
18 description: rfkill switch name, defaults to node name
20 radio-type:
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H A Dqca,qca7000.txt3 The QCA7000 is a serial-to-powerline bridge with a host interface which could
13 - compatible : Should be "qca,qca7000"
14 - reg : Should specify the SPI chip select
15 - interrupts : The first cell should specify the index of the source
18 - spi-cpha : Must be set
19 - spi-cpol : Must be set
22 - spi-max-frequency : Maximum frequency of the SPI bus the chip can operate at.
26 - qca,legacy-mode : Set the SPI data transfer of the QCA7000 to legacy mode.
30 the QCA7000 is setup via GPIO pin strapping. If the
31 property is missing the driver defaults to burst mode.
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H A Dmediatek-bluetooth.txt1 MediaTek SoC built-in Bluetooth Devices
5 child node of the serial node with BTIF. The dt-bindings details for BTIF
10 - compatible: Must be
11 "mediatek,mt7622-bluetooth": for MT7622 SoC
12 - clocks: Should be the clock specifiers corresponding to the entry in
13 clock-names property.
14 - clock-names: Should contain "ref" entries.
15 - power-domains: Phandle to the power domain that the device is part of
20 compatible = "mediatek,mt7622-btif",
21 "mediatek,mtk-btif";
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/openbmc/linux/Documentation/devicetree/bindings/mtd/
H A Dgpio-control-nand.txt1 GPIO assisted NAND flash
3 The GPIO assisted NAND flash uses a memory mapped interface to
4 read/write the NAND commands and data and GPIO pins for the control
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
15 GPIO references is: RDY, nCE, ALE, CLE, and nWP. nCE and nWP are optional.
18 - bank-width : Width (in bytes) of the device. If not present, the width
19 defaults to 1 byte.
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/openbmc/phosphor-gpio-monitor/
H A Dmonitor.hpp6 #include <systemd/sd-event.h>
15 namespace gpio namespace
19 * @brief Responsible for catching GPIO state change
34 * @param[in] path - Path to gpio input device
35 * @param[in] key - GPIO key to monitor
36 * @param[in] polarity - GPIO assertion polarity to look for
37 * @param[in] target - systemd unit to be started on GPIO
39 * @param[in] event - sd_event handler
40 * @param[in] continueRun - Whether to continue after key pressed
41 * @param[in] handler - IO callback handler. Defaults to one in this
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/openbmc/u-boot/doc/device-tree-bindings/spi/
H A Dspi-bus.txt10 - #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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/openbmc/linux/include/linux/mfd/madera/
H A Dpdata.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2015-2018 Cirrus Logic
12 #include <linux/regulator/arizona-ldo1.h>
13 #include <linux/regulator/arizona-micsupp.h>
15 #include <sound/madera-pdata.h>
26 * struct madera_pdata - Configuration data for Madera devices
28 * @reset: GPIO controlling /RESET (NULL = none)
31 * @irq_flags: Mode for primary IRQ (defaults to active low)
32 * @gpio_base: Base GPIO number
33 * @gpio_configs: Array of GPIO configurations (See
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/openbmc/u-boot/board/gateworks/gw_ventana/
H A Dcommon.h1 /* SPDX-License-Identifier: GPL-2.0+ */
13 /* GPIO's common to all baseboards */
48 * can be pinmuxed as a GPIO or in some cases a PWM
64 /* various gpios (0 if non-existent) */
94 /* configure gpio iomux/defaults */
96 /* late setup of GPIO (configuration per baseboard and env) */
/openbmc/linux/arch/arm/boot/dts/renesas/
H A Dr8a7792-wheat.dts1 // SPDX-License-Identifier: GPL-2.0
9 /dts-v1/;
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/input/input.h>
24 stdout-path = "serial0:115200n8";
32 d3_3v: regulator-3v3 {
33 compatible = "regulator-fixed";
34 regulator-name = "D3.3V";
35 regulator-min-microvolt = <3300000>;
36 regulator-max-microvolt = <3300000>;
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/openbmc/linux/arch/arm/boot/dts/gemini/
H A Dgemini-rut1xx.dts1 // SPDX-License-Identifier: GPL-2.0
6 /dts-v1/;
9 #include <dt-bindings/input/input.h>
14 #address-cells = <1>;
15 #size-cells = <1>;
24 stdout-path = &uart0;
28 compatible = "gpio-keys";
30 button-setup {
31 debounce-interval = <100>;
32 wakeup-source;
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/openbmc/linux/arch/arm64/boot/dts/qcom/
H A Dqcs404-evb-4000.dts1 // SPDX-License-Identifier: GPL-2.0
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include "qcs404-evb.dtsi"
13 compatible = "qcom,qcs404-evb-4000", "qcom,qcs404-evb",
20 snps,reset-gpio = <&tlmm 60 GPIO_ACTIVE_LOW>;
21 snps,reset-active-low;
22 snps,reset-delays-us = <0 10000 10000>;
24 pinctrl-names = "default";
25 pinctrl-0 = <&ethernet_defaults>;
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/openbmc/linux/Documentation/devicetree/bindings/i2c/
H A Di2c-mux-gpio.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-mux-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO-based I2C Bus Mux
10 - Wolfram Sang <wsa@kernel.org>
15 +-----+ +-----+
17 +------------+ +-----+ +-----+
19 | | /--------+--------+
20 | +------+ | +------+ child bus A, on GPIO value set to 0
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/openbmc/linux/Documentation/devicetree/bindings/input/touchscreen/
H A Dti,tsc2005.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marek Vasut <marex@denx.de>
11 - Michael Welling <mwelling@ieee.org>
19 - ti,tsc2004
20 - ti,tsc2005
31 reset-gpios:
33 description: GPIO specifier for the controller reset line
35 spi-max-frequency:
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/openbmc/openbmc/meta-raspberrypi/recipes-devtools/pi-blaster/
H A Dpi-blaster_git.bb1 DESCRIPTION = "This project enables PWM on the GPIO pins you request of a Raspberry Pi."
2 HOMEPAGE = "https://github.com/sarfata/pi-blaster/"
7 SRC_URI = "git://github.com/sarfata/pi-blaster;branch=master;protocol=https \
8 file://remove-initscript-lsb-dependency.patch \
15 inherit update-rc.d autotools
19 INITSCRIPT_PARAMS:${PN} = "defaults 15 85"
/openbmc/linux/Documentation/devicetree/bindings/sound/
H A Dwlf,wm8994.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11 - patches@opensource.cirrus.com
25 - wlf,wm1811
26 - wlf,wm8994
27 - wlf,wm8958
36 clock-names:
39 - const: MCLK1
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