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/freebsd/sys/contrib/device-tree/Bindings/leds/backlight/
H A Dpwm-backlight.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/pwm-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: pwm-backligh
[all...]
H A Dpwm-backlight.txt1 pwm-backlight bindings
4 - compatible: "pwm-backlight"
5 - pwms: OF device-tree PWM specification (see PWM binding[0])
6 - power-supply: regulator for supply voltage
9 - pwm-names: a list of names for the PWM devices specified in the
11 - enable-gpios: contains a single GPIO specifier for the GPIO which enables
13 - post-pwm-on-delay-ms: Delay in ms between setting an initial (non-zero) PWM
15 - pwm-off-delay-ms: Delay in ms between disabling the backlight using GPIO
17 - brightness-levels: Array of distinct brightness levels. Typically these
19 0 will do. The actual brightness level (PWM duty cycle)
[all …]
H A Dled-backlight.txt1 led-backlight bindings
8 - compatible: "led-backlight"
9 - leds: a list of LEDs
12 - brightness-levels: Array of distinct brightness levels. The levels must be
14 This is used to translate a backlight brightness level
15 into a LED brightness level. If it is not provided, the
18 - default-brightness-level: The default brightness level.
23 compatible = "led-backlight";
26 brightness-levels = <0 4 8 16 32 64 128 255>;
27 default-brightness-level = <6>;
H A Dled-backlight.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/led-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: led-backligh
[all...]
H A Dmediatek,mt6370-backlight.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/mediatek,mt6370-backligh
[all...]
H A Dlm3630a-backlight.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/lm3630a-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI LM3630A High-Efficiency Dual-String White LED
10 - Lee Jones <lee@kernel.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
15 The LM3630A is a current-mode boost converter which supplies the power and
26 '#address-cells':
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H A Dkinetic,ktd2801.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Kinetic Technologies KTD2801 one-wire backlight
10 - Duje Mihanović <duje.mihanovic@skole.hr>
15 or by pulsing the GPIO line to set the backlight level. This is called
19 - $ref: common.yaml#
25 ctrl-gpios:
28 default-brightness: true
29 max-brightness: true
[all …]
H A Dqcom-wled.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/qcom-wled.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <andersson@kernel.org>
11 - Kiran Gunda <quic_kgunda@quicinc.com>
21 - qcom,pm8941-wled
22 - qcom,pmi8950-wled
23 - qcom,pmi8994-wled
24 - qcom,pmi8998-wled
[all …]
H A Dtps65217-backlight.txt7 - compatible: "ti,tps65217"
8 - reg: I2C slave address
9 - backlight: node for specifying WLED1 and WLED2 lines in TPS65217
10 - isel: selection bit, valid values: 1 for ISEL1 (low-level) and 2 for ISEL2 (high-level)
11 - fdim: PWM dimming frequency, valid values: 100, 200, 500, 1000
12 - default-brightness: valid values: 0-100
22 isel = <1>; /* 1 - ISET1, 2 ISET2 */
24 default-brightness = <50>;
H A Dkinetic,ktd253.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Kinetic Technologies KTD253 and KTD259 one-wire backlight
10 - Linus Walleij <linus.walleij@linaro.org>
15 it goes to maximum backlight then you can set the level of backlight
20 - $ref: common.yaml#
25 - enum:
26 - kinetic,ktd253
27 - kinetic,ktd259
[all …]
H A Drichtek,rt4831-backlight.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/richtek,rt4831-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
20 https://www.richtek.com/assets/product_file/RT4831A/DS4831A-05.pdf
23 - $ref: common.yaml#
27 const: richtek,rt4831-backlight
29 default-brightness:
33 max-brightness:
[all …]
/freebsd/usr.bin/backlight/
H A Dbacklight.846 .Cm decr Ns | Ns Cm -
51 utility can be used to configure brightness levels for registered backlights.
53 Called without any arguments it will print the current brightness level
57 .Bl -tag -width "-f device"
69 When querying the brightness level only print the value.
71 Set the brightness level to this value, must be between 0 and 100.
76 Decrement the backlight level.
77 If no value is specified a default of 10 percent is used.
78 .It Cm decr Ns | Ns Cm - Op Ar value
79 Increment the backlight level.
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/freebsd/share/man/man4/
H A Dacpi_ibm.436 .Bd -ragged -offset indent
43 .Bd -literal -offset indent
62 interface has to be enabled explicitly, as it may alter the default action of
73 by default, a value representing all possible keypress events on the specific
80 .Bl -tag -width "subsystem" -offset indent -compact
95 .Bl -tag -width "subsystem" -offset indent -compact
127 Fn + Home (Brightness up)
129 Fn + End (Brightness down)
158 .Bl -tag -width indent
160 (read-only)
[all …]
H A Dacpi_sony.435 .Bd -ragged -offset indent
42 .Bd -literal -offset indent
52 .Bl -tag -width indent
53 .It Va dev.acpi_sony.0.brightness
54 Current brightness level of the display.
56 Default brightness level of the display (survives reboot).
58 Current contrast level of the display.
/freebsd/sys/dev/pwm/
H A Dpwm_backlight.c1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
78 { "pwm-backlight", 1 },
86 if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data) in pwm_backlight_probe()
103 rv = pwm_get_by_ofw_propidx(dev, node, "pwms", 0, &sc->channel); in pwm_backlight_attach()
109 if (regulator_get_by_ofw_property(dev, 0, "power-supply", in pwm_backlight_attach()
110 &sc->power_supply) != 0) { in pwm_backlight_attach()
111 device_printf(dev, "No power-supply property\n"); in pwm_backlight_attach()
115 if (OF_hasprop(node, "brightness-levels")) { in pwm_backlight_attach()
116 sc->nlevels = OF_getencprop_alloc(node, "brightness-levels", in pwm_backlight_attach()
[all …]
/freebsd/sys/contrib/device-tree/src/arm64/allwinner/
H A Dsun50i-a64-pinephone-1.1.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 /dts-v1/;
6 #include "sun50i-a64-pinephone.dtsi"
10 compatible = "pine64,pinephone-1.1", "pine64,pinephone", "allwinner,sun50i-a64";
14 power-supply = <&reg_ldo_io0>;
18 * being off is around 20%. Duty cycle for the lowest brightness level
20 * value here was chosen as a safe default.
22 brightness-levels = <
28 num-interpolated-steps = <50>;
29 default-brightness-level = <400>;
[all …]
H A Dsun50i-a64-pinephone-1.2.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 /dts-v1/;
6 #include "sun50i-a64-pinephone.dtsi"
10 compatible = "pine64,pinephone-1.2", "pine64,pinephone", "allwinner,sun50i-a64";
12 wifi_pwrseq: wifi-pwrseq {
13 compatible = "mmc-pwrseq-simple";
14 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
19 power-supply = <&reg_ldo_io0>;
23 * is around 10%. Duty cycle for the lowest brightness level also varries
25 * chosen as a safe default.
[all …]
/freebsd/sys/contrib/device-tree/Bindings/mfd/
H A Dti-lmu.txt6 ------ ---------------------------------
14 - compatible: Should be one of:
20 - reg: I2C slave address.
28 - enable-gpios: A GPIO specifier for hardware enable pin.
29 - ramp-up-us: Current ramping from one brightness level to
30 the a higher brightness level.
31 Range from 2048 us - 117.44 s
32 - ramp-down-us: Current ramping from one brightness level to
33 the a lower brightness level.
34 Range from 2048 us - 117.44 s
[all …]
/freebsd/sys/contrib/device-tree/Bindings/display/
H A Dht16k33.txt2 -------------------------------------------------------------------------------
5 - compatible: "holtek,ht16k33"
6 - reg: I2C slave address of the chip.
7 - interrupts: Interrupt specification for the key pressed interrupt.
8 - refresh-rate-hz: Display update interval in HZ.
9 - debounce-delay-ms: Debouncing interval time in milliseconds.
10 - linux,keymap: The keymap for keys as described in the binding
11 document (devicetree/bindings/input/matrix-keymap.txt).
14 - linux,no-autorepeat: Disable keyrepeat.
15 - default-brightness-level: Initial brightness level [0-15] (default: 15).
[all …]
/freebsd/sys/contrib/device-tree/src/arm/nxp/imx/
H A Dimx6qdl-vicut1.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 #include <dt-bindings/display/sdtv-standards.h>
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/media/tvp5150.h>
12 #include <dt-bindings/sound/fsl-imx-audmux.h>
16 stdout-path = &uart4;
20 compatible = "pwm-backlight";
21 pinctrl-names = "default";
[all …]
H A Dimx6q-logicpd.dts1 // SPDX-License-Identifier: GPL-2.0
5 /dts-v1/;
7 #include "imx6-logicpd-som.dtsi"
8 #include "imx6-logicpd-baseboard.dtsi"
11 model = "Logic PD i.MX6QD SOM-M3";
12 compatible = "logicpd,imx6q-logicpd", "fsl,imx6q";
14 backlight: backlight-lvds {
15 compatible = "pwm-backlight";
17 brightness-levels = <0 4 8 16 32 64 128 255>;
18 default-brightness-level = <6>;
[all …]
H A Dimx53-tx53-x13x.dts2 * Copyright 2013-2017 Lothar Waßmann <LW@KARO-electronics.de>
4 * This file is dual-licensed: you can use it either under the terms
44 * http://www.opensource.org/licenses/gpl-license.html
48 /dts-v1/;
49 #include "imx53-tx53.dtsi"
50 #include <dt-bindings/input/input.h>
53 model = "Ka-Ro electronics TX53 module (LVDS)";
63 compatible = "pwm-backlight";
65 power-supply = <&reg_3v3>;
66 brightness-levels = <
[all …]
H A Dimx6dl-aristainetos_7.dts1 // SPDX-License-Identifier: GPL-2.0-only
7 /dts-v1/;
9 #include "imx6qdl-aristainetos.dtsi"
13 compatible = "abb,aristainetos-imx6dl-7", "fsl,imx6dl";
21 compatible = "fsl,imx-parallel-display";
22 interface-pix-fmt = "rgb24";
23 pinctrl-names = "default";
24 pinctrl-0 = <&pinctrl_ipu_disp>;
27 display-timings {
28 native-mode = <&timing0>;
[all …]
/freebsd/sys/contrib/device-tree/Bindings/auxdisplay/
H A Dholtek,ht16k33.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Robin van der Gracht <robin@protonic.nl>
13 - $ref: /schemas/input/matrix-keymap.yaml#
18 - items:
19 - enum:
20 - adafruit,3108 # 0.56" 4-Digit 7-Segment FeatherWing Display (Red)
21 - adafruit,3130 # 0.54" Quad Alphanumeric FeatherWing Display (Red)
22 - const: holtek,ht16k33
[all …]
/freebsd/sys/contrib/device-tree/src/arm64/renesas/
H A Dhihope-rzg2-ex-lvds.dtsi1 // SPDX-License-Identifier: GPL-2.0
10 compatible = "pwm-backlight";
13 brightness-levels = <0 2 8 16 32 64 128 255>;
14 default-brightness-level = <6>;
23 lvds-connector-en-hog {
24 gpio-hog;
26 output-low;
27 line-name = "lvds-connector-en-gpio";
48 pinctrl-0 = <&pwm0_pins>;
49 pinctrl-names = "default";

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