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/linux/arch/arm/mach-sa1100/include/mach/
H A Dh3xxx.h1 /* SPDX-License-Identifier: GPL-2.0-only */
39 /* machine-specific gpios */
60 …CARD_RESET (H3XXX_EGPIO_BASE + 1) /* reset the attached pcmcia/compactflash card. active high. */
61 …e H3XXX_EGPIO_OPT_RESET (H3XXX_EGPIO_BASE + 2) /* reset the attached option pack. active high. */
62 #define H3XXX_EGPIO_CODEC_NRESET (H3XXX_EGPIO_BASE + 3) /* reset the onboard UDA1341. active low. …
63 …H3XXX_EGPIO_OPT_NVRAM_ON (H3XXX_EGPIO_BASE + 4) /* apply power to optionpack nvram, active high. */
64 #define H3XXX_EGPIO_OPT_ON (H3XXX_EGPIO_BASE + 5) /* full power to option pack. active high. */
65 #define H3XXX_EGPIO_LCD_ON (H3XXX_EGPIO_BASE + 6) /* enable 3.3V to LCD. active high. */
66 #define H3XXX_EGPIO_RS232_ON (H3XXX_EGPIO_BASE + 7) /* UART3 transceiver force on. Active high. */
69 #define H3600_EGPIO_LCD_PCI (H3XXX_EGPIO_BASE + 8) /* LCD control IC enable. active high. */
[all …]
/linux/Documentation/devicetree/bindings/regulator/
H A Dfixed-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
16 expected to have the regulator-min-microvolt and regulator-max-microvolt
20 - $ref: regulator.yaml#
21 - if:
25 const: regulator-fixed-clock
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/linux/arch/arm/boot/dts/nvidia/
H A Dtegra30-cardhu-a04.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include "tegra30-cardhu.dtsi"
10 compatible = "nvidia,cardhu-a04", "nvidia,cardhu", "nvidia,tegra30";
14 power-gpios = <&gpio TEGRA_GPIO(D, 3) GPIO_ACTIVE_HIGH>;
15 bus-width = <4>;
16 keep-power-in-suspend;
19 ddr_reg: regulator-ddr {
20 compatible = "regulator-fixed";
21 regulator-name = "ddr";
[all …]
H A Dtegra30-cardhu-a02.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include "tegra30-cardhu.dtsi"
10 compatible = "nvidia,cardhu-a02", "nvidia,cardhu", "nvidia,tegra30";
14 power-gpios = <&gpio TEGRA_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
15 bus-width = <4>;
16 keep-power-in-suspend;
19 ddr_reg: regulator-ddr {
20 compatible = "regulator-fixed";
21 regulator-name = "vdd_ddr";
[all …]
H A Dtegra30-cardhu.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/input/input.h>
3 #include <dt-bindings/thermal/thermal.h>
5 #include "tegra30-cpu-opp.dtsi"
6 #include "tegra30-cpu-opp-microvolt.dtsi"
16 * use tegra30-cardhu-a02.dts, Cardhu fab version A04 and later, use
17 * tegra30-cardhu-a04.dts.
20 * The sticker will have number like 600-81291-1000-002 C.3. In this 4th
22 * The (downstream internal) U-Boot of Cardhu display the board-id as
43 stdout-path = "serial0:115200n8";
[all …]
/linux/Documentation/devicetree/bindings/soc/tegra/
H A Dnvidia,tegra20-pmc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/tegra/nvidia,tegra20-pmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Tegra Power Management Controller (PMC)
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jonathan Hunter <jonathanh@nvidia.com>
16 - nvidia,tegra20-pmc
17 - nvidia,tegra30-pmc
18 - nvidia,tegra114-pmc
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/linux/Documentation/devicetree/bindings/rtc/
H A Drtc-omap.txt4 - compatible:
5 - "ti,da830-rtc" - for RTC IP used similar to that on DA8xx SoC family.
6 - "ti,am3352-rtc" - for RTC IP used similar to that on AM335x SoC family.
7 This RTC IP has special WAKE-EN Register to enable
11 - "ti,am4372-rtc" - for RTC IP used similar to that on AM437X SoC family.
12 - reg: Address range of rtc register set
13 - interrupts: rtc timer, alarm interrupts in order
16 - system-power-controller: whether the rtc is controlling the system power
18 - clocks: Any internal or external clocks feeding in to rtc
19 - clock-names: Corresponding names of the clocks
[all …]
/linux/Documentation/driver-api/gpio/
H A Dintro.rst17 A "General Purpose Input/Output" (GPIO) is a flexible software-controlled
25 System-on-Chip (SOC) processors heavily rely on GPIOs. In some cases, every
26 non-dedicated pin can be configured as a GPIO; and most chips have at least
28 provide GPIOs; multifunction chips like power managers, and audio codecs
31 Most PC southbridges have a few dozen GPIO-capable pins (with only the BIOS
36 - Output values are writable (high=1, low=0). Some chips also have
38 value might be driven, supporting "wire-OR" and similar schemes for the
41 - Input values are likewise readable (1, 0). Some chips support readback
42 of pins configured as "output", which is very useful in such "wire-OR"
44 input de-glitch/debounce logic, sometimes with software controls.
[all …]
H A Dboard.rst14 -----------
20 <function>-gpios, where <function> is the function the driver will request
26 led-gpios = <&gpio 15 GPIO_ACTIVE_HIGH>, /* red */
30 power-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
33 Properties named <function>-gpio are also considered valid and old bindings use
38 "led" function, and GPIO 1 as the "power" GPIO::
40 struct gpio_desc *red, *green, *blue, *power;
46 power = gpiod_get(dev, "power", GPIOD_OUT_HIGH);
48 The led GPIOs will be active high, while the power GPIO will be active low (i.e.
49 gpiod_is_active_low(power) will be true).
[all …]
/linux/arch/arm/boot/dts/marvell/
H A Dkirkwood-laplug.dts1 // SPDX-License-Identifier: GPL-2.0
7 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/input/input.h>
12 #include "kirkwood-6192.dtsi"
16 compatible = "lacie,laplug", "marvell,kirkwood-88f6192", "marvell,kirkwood";
25 stdout-path = &uart0;
43 pinctrl: pin-controller@10000 {
44 pmx_usb_power_enable: pmx-usb-power-enable {
52 compatible = "gpio-keys";
[all …]
H A Darmada-xp-synology-ds414.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
9 * The 0xf1000000 is the default used by the recent, DT-capable, U-Boot
12 * were delivered with an older version of u-boot that left internal
17 * installing it from u-boot prompt) or adjust the Devive Tree
21 /dts-v1/;
23 #include <dt-bindings/input/input.h>
24 #include <dt-bindings/gpio/gpio.h>
25 #include "armada-xp-mv78230.dtsi"
29 compatible = "synology,ds414", "marvell,armadaxp-mv78230",
30 "marvell,armadaxp", "marvell,armada-370-xp";
[all …]
/linux/Documentation/devicetree/bindings/net/
H A Dsmsc,lan9115.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Smart Mixed-Signal Connectivity (SMSC) LAN911x/912x Controller
10 - Shawn Guo <shawnguo@kernel.org>
13 - $ref: ethernet-controller.yaml#
18 - const: smsc,lan9115
19 - items:
20 - enum:
21 - smsc,lan89218
[all …]
/linux/Documentation/devicetree/bindings/media/
H A Dmarvell,mmp2-ccic.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/media/marvell,mmp2-ccic.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Lubomir Rintel <lkundrak@v3.sk>
15 pattern: '^camera@[a-f0-9]+$'
18 const: marvell,mmp2-ccic
26 power-domains:
30 $ref: /schemas/graph.yaml#/$defs/port-base
35 $ref: video-interfaces.yaml#
[all …]
/linux/Documentation/devicetree/bindings/power/reset/
H A Datmel,sama5d2-shdwc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/rese
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/linux/arch/arm64/boot/dts/nvidia/
H A Dtegra210-p3450-0000.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/input/linux-event-codes.h>
6 #include <dt-bindings/mfd/max77620.h>
12 compatible = "nvidia,p3450-0000", "nvidia,tegra210";
22 stdout-path = "serial0:115200n8";
33 hvddio-pex-supply = <&vdd_1v8>;
34 dvddio-pex-supply = <&vdd_pex_1v05>;
35 vddio-pex-ctl-supply = <&vdd_1v8>;
[all …]
/linux/arch/arm64/boot/dts/qcom/
H A Dsc7280-herobrine.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
16 #include <dt-bindings/input/gpio-keys.h>
17 #include <dt-bindings/input/input.h>
18 #include <dt-bindings/leds/common.h>
20 #include "sc7280-qcard.dtsi"
21 #include "sc7280-chrome-common.dtsi"
25 stdout-path = "serial0:115200n8";
38 ppvar_sys: ppvar-sys-regulator {
39 compatible = "regulator-fixed";
40 regulator-name = "ppvar_sys";
[all …]
/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-ast2600-evb.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
4 /dts-v1/;
6 #include "aspeed-g6.dtsi"
7 #include <dt-bindings/gpio/aspeed-gpio.h>
11 compatible = "aspeed,ast2600-evb", "aspeed,ast2600";
26 reserved-memory {
27 #address-cells = <1>;
28 #size-cells = <1>;
34 compatible = "shared-dma-pool";
41 compatible = "shared-dma-pool";
[all …]
/linux/Documentation/devicetree/bindings/mfd/
H A Dtwl6040.txt3 The TWL6040s are 8-channel high quality low-power audio codecs providing audio,
9 - compatible : "ti,twl6040" for twl6040, "ti,twl6041" for twl6041
10 - reg: must be 0x4b for i2c address
11 - interrupts: twl6040 has one interrupt line connecteded to the main SoC
12 - gpio-controller:
13 - #gpio-cells = <1>: twl6040 provides GPO lines.
14 - #clock-cells = <0>; twl6040 is a provider of pdmclk which is used by McPDM
15 - twl6040,audpwron-gpio: Power on GPIO line for the twl6040
17 - vio-supply: Regulator for the twl6040 VIO supply
18 - v2v1-supply: Regulator for the twl6040 V2V1 supply
[all …]
/linux/arch/arm/boot/dts/allwinner/
H A Dsun8i-h2-plus-bananapi-m2-zero.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 * Based on sun8i-h3-bananapi-m2-plus.dts, which is:
6 * Copyright (C) 2016 Chen-Yu Tsai <wens@csie.org>
9 /dts-v1/;
10 #include "sun8i-h3.dtsi"
11 #include "sunxi-common-regulators.dtsi"
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/input/input.h>
17 model = "Banana Pi BPI-M2-Zero";
18 compatible = "sinovoip,bpi-m2-zero", "allwinner,sun8i-h2-plus";
[all …]
/linux/Documentation/hwmon/
H A Dinspur-ipsps1.rst1 Kernel driver inspur-ipsps1
6 * Inspur Power System power supply unit
11 -----------
13 This driver supports Inspur Power System power supplies. This driver
17 -----------
19 This driver does not auto-detect devices. You will have to instantiate the
20 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
24 -------------
32 curr1_max_alarm Current high alarm
36 curr2_crit_alarm Current critical high alarm
[all …]
/linux/arch/arm/boot/dts/nxp/lpc/
H A Dlpc3250-phy3250.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * PHYTEC phyCORE-LPC3250 board
5 * Copyright (C) 2015-2019 Vladimir Zapolskiy <vz@mleia.com>
9 /dts-v1/;
13 model = "PHYTEC phyCORE-LPC3250 board based on NXP LPC3250";
22 compatible = "gpio-leds";
25 gpios = <&gpio 5 1 0>; /* GPO_P3 1, GPIO 80, active high */
26 default-state = "off";
30 gpios = <&gpio 5 14 0>; /* GPO_P3 14, GPIO 93, active high */
31 linux,default-trigger = "heartbeat";
[all …]
/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6ull-uti260b.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 // Copyright (C) 2022-2024 Sebastian Reichel <sre@kernel.org>
4 /dts-v1/;
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/input.h>
8 #include <dt-bindings/clock/imx6ul-clock.h>
9 #include <dt-bindings/leds/common.h>
12 model = "UNI-T UTi260B Thermal Camera";
13 compatible = "uni-t,uti260b", "fsl,imx6ull";
16 stdout-path = "serial0:115200n8";
[all …]
/linux/arch/arm64/boot/dts/rockchip/
H A Drk3399-kobol-helios64.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
13 /dts-v1/;
26 avdd_0v9_s0: regulator-avdd-0v9-s0 {
27 compatible = "regulator-fixed";
28 regulator-name = "avdd_0v9_s0";
29 regulator-always-on;
30 regulator-boot-on;
31 regulator-min-microvolt = <900000>;
32 regulator-max-microvolt = <900000>;
33 vin-supply = <&vcc1v8_sys_s3>;
[all …]
/linux/include/linux/
H A Dlcd.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Copyright (C) 2003,2004 Hewlett-Packard Company
23 * lcd_device->ops_lock is an internal backlight lock protecting the ops
39 /* The maximum value for contrast (read-only) */
44 /* Get the LCD panel power status (0: full on, 1..3: controller
45 power on, flat panel power off, 4: full off), see FB_BLANK_XXX */
47 /* Enable or disable power to the LCD (0: on; 4: off, see FB_BLANK_XXX) */
48 int (*set_power)(struct lcd_device *, int power);
49 /* Get the current contrast setting (0-max_contrast) */
92 lcd power off and 1, lcd power on. */
[all …]
/linux/Documentation/devicetree/bindings/power/supply/
H A Dmaxim,max8903.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/maxim,max8903.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
13 - $ref: power-supply.yaml#
19 dok-gpios:
21 description: Valid DC power has been detected (active low, input)
23 uok-gpios:
25 description: Valid USB power has been detected (active low, input)
[all …]

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