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/linux-5.10/Documentation/devicetree/bindings/leds/backlight/
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-backlight bindings
10 - Lee Jones <lee.jones@linaro.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
16 const: pwm-backlight
21 pwm-names: true
[all …]
/linux-5.10/arch/arm64/boot/dts/allwinner/
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", "allwinner,sun50i-a64";
14 power-supply = <&reg_ldo_io0>;
22 brightness-levels = <
28 num-interpolated-steps = <50>;
29 default-brightness-level = <400>;
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", "allwinner,sun50i-a64";
14 power-supply = <&reg_ldo_io0>;
22 brightness-levels = <
29 num-interpolated-steps = <50>;
30 default-brightness-level = <500>;
38 interrupt-parent = <&pio>;
/linux-5.10/arch/arm/boot/dts/
Drk3288-veyron-tiger.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
9 #include "rk3288-veyron-fievel.dts"
10 #include "rk3288-veyron-edp.dtsi"
14 compatible = "google,veyron-tiger-rev8", "google,veyron-tiger-rev7",
15 "google,veyron-tiger-rev6", "google,veyron-tiger-rev5",
16 "google,veyron-tiger-rev4", "google,veyron-tiger-rev3",
17 "google,veyron-tiger-rev2", "google,veyron-tiger-rev1",
18 "google,veyron-tiger-rev0", "google,veyron-tiger",
21 /delete-node/ vcc18-lcd;
[all …]
Drk3288-veyron-edp.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
9 backlight_regulator: backlight-regulator {
10 compatible = "regulator-fixed";
11 enable-active-high;
13 pinctrl-names = "default";
14 pinctrl-0 = <&bl_pwr_en>;
15 regulator-name = "backlight_regulator";
16 vin-supply = <&vcc33_sys>;
17 startup-delay-us = <15000>;
20 panel_regulator: panel-regulator {
[all …]
Drk3288-veyron-jaq.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
10 #include "rk3288-veyron-chromebook.dtsi"
11 #include "cros-ec-sbs.dtsi"
15 compatible = "google,veyron-jaq-rev5", "google,veyron-jaq-rev4",
16 "google,veyron-jaq-rev3", "google,veyron-jaq-rev2",
17 "google,veyron-jaq-rev1", "google,veyron-jaq",
22 /* Jaq panel PWM must be >= 3%, so start non-zero brightness at 8 */
23 brightness-levels = <0 8 255>;
24 num-interpolated-steps = <247>;
[all …]
Drk3288-veyron-minnie.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
9 #include "rk3288-veyron-chromebook.dtsi"
10 #include "rk3288-veyron-broadcom-bluetooth.dtsi"
14 compatible = "google,veyron-minnie-rev4", "google,veyron-minnie-rev3",
15 "google,veyron-minnie-rev2", "google,veyron-minnie-rev1",
16 "google,veyron-minnie-rev0", "google,veyron-minnie",
19 volume_buttons: volume-buttons {
20 compatible = "gpio-keys";
21 pinctrl-names = "default";
[all …]
Dimx6q-kp.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/pwm/pwm.h>
13 #include <dt-bindings/sound/fsl-imx-audmux.h>
16 backlight_lcd: backlight-lcd {
17 compatible = "pwm-backlight";
19 brightness-levels = <0 255>;
20 num-interpolated-steps = <255>;
21 default-brightness-level = <250>;
[all …]
Dimx6dl-prtvt7.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
6 /dts-v1/;
8 #include "imx6qdl-prti6q.dtsi"
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/sound/fsl-imx-audmux.h>
22 backlight_lcd: backlight-lcd {
23 compatible = "pwm-backlight";
24 pinctrl-names = "default";
25 pinctrl-0 = <&pinctrl_backlight>;
[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 …]
Dimx6dl-yapp4-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright (C) 2015-2018 Y Soft Corporation, a.s.
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/interrupt-controller/irq.h>
7 #include <dt-bindings/input/input.h>
8 #include <dt-bindings/pwm/pwm.h>
17 compatible = "pwm-backlight";
19 brightness-levels = <0 32 64 128 255>;
20 default-brightness-level = <32>;
21 num-interpolated-steps = <8>;
[all …]
Dtegra30-asus-nexus7-grouper-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/gpio-keys.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/power/summit,smb347-charger.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
26 * pre-existing /chosen node to be available to insert the
35 reserved-memory {
36 #address-cells = <1>;
[all …]
Dtegra20-acer-a500-picasso.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra20-cpu-opp.dtsi"
10 #include "tegra20-cpu-opp-microvolt.dtsi"
31 * pre-existing /chosen node to be available to insert the
40 reserved-memory {
41 #address-cells = <1>;
[all …]
/linux-5.10/drivers/video/backlight/
Dpwm_bl.c1 // SPDX-License-Identifier: GPL-2.0-only
47 pwm_get_state(pb->pwm, &state); in pwm_backlight_power_on()
48 if (pb->enabled) in pwm_backlight_power_on()
51 err = regulator_enable(pb->power_supply); in pwm_backlight_power_on()
53 dev_err(pb->dev, "failed to enable power supply\n"); in pwm_backlight_power_on()
56 pwm_apply_state(pb->pwm, &state); in pwm_backlight_power_on()
58 if (pb->post_pwm_on_delay) in pwm_backlight_power_on()
59 msleep(pb->post_pwm_on_delay); in pwm_backlight_power_on()
61 if (pb->enable_gpio) in pwm_backlight_power_on()
62 gpiod_set_value_cansleep(pb->enable_gpio, 1); in pwm_backlight_power_on()
[all …]
/linux-5.10/arch/arm64/boot/dts/freescale/
Dimx8mq-librem5-devkit.dts1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2018-2019 Purism SPC
6 /dts-v1/;
8 #include "dt-bindings/input/input.h"
9 #include <dt-bindings/interrupt-controller/irq.h>
10 #include "dt-bindings/pwm/pwm.h"
11 #include "dt-bindings/usb/pd.h"
16 compatible = "purism,librem5-devkit", "fsl,imx8mq";
18 backlight_dsi: backlight-dsi {
19 compatible = "pwm-backlight";
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