| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/leds/backlight/ |
| D | gpio-backlight.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/gpio-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: gpio-backlight
10 - Lee Jones <lee@kernel.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
16 const: gpio-backlight
19 description: The gpio that is used for enabling/disabling the backlight.
[all …]
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| D | pwm-backlight.yaml | 1 # 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
10 - Lee Jones <lee@kernel.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
16 const: pwm-backlight
21 pwm-names: true
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| D | kinetic,ktd253.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd253.yaml#
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>
14 controlled by a single GPIO line. If you just turn on the backlight
15 it goes to maximum backlight then you can set the level of backlight
20 - $ref: common.yaml#
25 - enum:
[all …]
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| D | sky81452-backlight.txt | 1 SKY81452-backlight bindings
4 - compatible : Must be "skyworks,sky81452-backlight"
7 - name : Name of backlight device. Default is 'lcd-backlight'.
8 - gpios : GPIO to use to EN pin.
9 See Documentation/devicetree/bindings/gpio/gpio.txt
10 - led-sources : List of enabled channels from 0 to 5.
12 - skyworks,ignore-pwm : Ignore both PWM input
13 - skyworks,dpwm-mode : Enable DPWM dimming mode, otherwise Analog dimming.
14 - skyworks,phase-shift : Enable phase shift mode
15 - skyworks,short-detection-threshold-volt
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/leds/backlight/ |
| D | gpio-backlight.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/gpio-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: gpio-backlight bindings
10 - Lee Jones <lee.jones@linaro.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
16 const: gpio-backlight
19 description: The gpio that is used for enabling/disabling the backlight.
[all …]
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| D | pwm-backlight.yaml | 1 # 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 …]
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| D | kinetic,ktd253.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd253.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Kinetic Technologies KTD253 one-wire backlight
10 - Linus Walleij <linus.walleij@linaro.org>
13 The Kinetic Technologies KTD253 is a white LED backlight that is
14 controlled by a single GPIO line. If you just turn on the backlight
15 it goes to maximum backlight then you can set the level of backlight
20 - $ref: common.yaml#
[all …]
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| D | sky81452-backlight.txt | 1 SKY81452-backlight bindings
4 - compatible : Must be "skyworks,sky81452-backlight"
7 - name : Name of backlight device. Default is 'lcd-backlight'.
8 - gpios : GPIO to use to EN pin.
9 See Documentation/devicetree/bindings/gpio/gpio.txt
10 - led-sources : List of enabled channels from 0 to 5.
12 - skyworks,ignore-pwm : Ignore both PWM input
13 - skyworks,dpwm-mode : Enable DPWM dimming mode, otherwise Analog dimming.
14 - skyworks,phase-shift : Enable phase shift mode
15 - skyworks,short-detection-threshold-volt
[all …]
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| /kernel/linux/linux-5.10/arch/arm/mach-s3c/ |
| D | dev-backlight-s3c64xx.c | 1 // SPDX-License-Identifier: GPL-2.0
6 // Common infrastructure for PWM Backlight for Samsung boards
8 #include <linux/gpio.h>
15 #include "gpio-cfg.h"
17 #include "backlight-s3c64xx.h"
27 struct platform_pwm_backlight_data *pdata = dev->platform_data; in samsung_bl_init()
30 struct samsung_bl_gpio_info *bl_gpio_info = drvdata->gpio_info; in samsung_bl_init()
32 ret = gpio_request(bl_gpio_info->no, "Backlight"); in samsung_bl_init()
34 printk(KERN_ERR "failed to request GPIO for LCD Backlight\n"); in samsung_bl_init()
38 /* Configure GPIO pin with specific GPIO function for PWM timer */ in samsung_bl_init()
[all …]
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/display/ |
| D | sitronix,st7735r.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - David Lechner <david@lechnology.com>
17 - $ref: panel/panel-common.yaml#
18 - $ref: /schemas/spi/spi-peripheral-props.yaml#
23 - description:
26 - enum:
27 - jianda,jd-t18003-t01
28 - const: sitronix,st7735r
[all …]
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| D | ilitek,ili9486.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com>
17 - $ref: panel/panel-common.yaml#
22 - enum:
24 - waveshare,rpi-lcd-35
26 - ozzmaker,piscreen
27 - const: ilitek,ili9486
29 spi-max-frequency:
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/ |
| D | sitronix,st7735r.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - David Lechner <david@lechnology.com>
17 - $ref: panel/panel-common.yaml#
22 - description:
25 - enum:
26 - jianda,jd-t18003-t01
27 - const: sitronix,st7735r
28 - description:
[all …]
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| D | ilitek,ili9486.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com>
17 - $ref: panel/panel-common.yaml#
22 - enum:
24 - waveshare,rpi-lcd-35
26 - ozzmaker,piscreen
27 - const: ilitek,ili9486
29 spi-max-frequency:
[all …]
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/display/panel/ |
| D | panel-common.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
24 width-mm:
29 height-mm:
43 non-descriptive information. For instance an LCD panel in a system that
55 panel-timing:
[all …]
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| D | ilitek,ili9163.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Daniel Mack <daniel@zonque.org>
17 - $ref: panel-common.yaml#
18 - $ref: /schemas/spi/spi-peripheral-props.yaml#
23 - enum:
24 - newhaven,1.8-128160EF
25 - const: ilitek,ili9163
27 spi-max-frequency:
[all …]
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| D | samsung,s6d7aa0.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: Samsung S6D7AA0 MIPI-DSI LCD panel controller
10 - Artur Weber <aweber.kernel@gmail.com>
13 - $ref: panel-common.yaml#
18 - enum:
20 - samsung,lsl080al02
22 - samsung,lsl080al03
24 - samsung,ltl101at01
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/panel/ |
| D | panel-common.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
24 width-mm:
29 height-mm:
43 non-descriptive information. For instance an LCD panel in a system that
55 panel-timing:
[all …]
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| /kernel/linux/linux-6.6/drivers/video/backlight/ |
| D | ktd253-backlight.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Backlight driver for the Kinetic KTD253
4 * Based on code and know-how from the Samsung GT-S7710
7 #include <linux/backlight.h>
11 #include <linux/gpio/consumer.h>
40 gpiod_set_value_cansleep(ktd253->gpiod, 1); in ktd253_backlight_set_max_ratio()
48 * These GPIO operations absolutely can NOT sleep so no _cansleep in ktd253_backlight_stepdown()
49 * suffixes, and no using GPIO expanders on slow buses for this! in ktd253_backlight_stepdown()
58 * top so we have the backlight in a known state. in ktd253_backlight_stepdown()
63 gpiod_set_value(ktd253->gpiod, 0); in ktd253_backlight_stepdown()
[all …]
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| D | gpio_backlight.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * gpio_backlight.c - Simple GPIO-controlled backlight
6 #include <linux/backlight.h>
9 #include <linux/gpio/consumer.h>
28 gpiod_set_value_cansleep(gbl->gpiod, backlight_get_brightness(bl)); in gpio_backlight_update_status()
38 return !gbl->dev || gbl->dev == info->device; in gpio_backlight_check_fb()
49 struct device *dev = &pdev->dev; in gpio_backlight_probe()
51 struct device_node *of_node = dev->of_node; in gpio_backlight_probe()
59 return -ENOMEM; in gpio_backlight_probe()
62 gbl->dev = pdata->dev; in gpio_backlight_probe()
[all …]
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| /kernel/linux/linux-5.10/drivers/video/backlight/ |
| D | gpio_backlight.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * gpio_backlight.c - Simple GPIO-controlled backlight
6 #include <linux/backlight.h>
9 #include <linux/gpio/consumer.h>
28 gpiod_set_value_cansleep(gbl->gpiod, backlight_get_brightness(bl)); in gpio_backlight_update_status()
38 return gbl->fbdev == NULL || gbl->fbdev == info->device; in gpio_backlight_check_fb()
49 struct device *dev = &pdev->dev; in gpio_backlight_probe()
51 struct device_node *of_node = dev->of_node; in gpio_backlight_probe()
59 return -ENOMEM; in gpio_backlight_probe()
62 gbl->fbdev = pdata->fbdev; in gpio_backlight_probe()
[all …]
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| D | ktd253-backlight.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Backlight driver for the Kinetic KTD253
4 * Based on code and know-how from the Samsung GT-S7710
7 #include <linux/backlight.h>
11 #include <linux/gpio/consumer.h>
40 gpiod_set_value_cansleep(ktd253->gpiod, 1); in ktd253_backlight_set_max_ratio()
48 * These GPIO operations absolutely can NOT sleep so no _cansleep in ktd253_backlight_stepdown()
49 * suffixes, and no using GPIO expanders on slow buses for this! in ktd253_backlight_stepdown()
58 * top so we have the backlight in a known state. in ktd253_backlight_stepdown()
63 gpiod_set_value(ktd253->gpiod, 0); in ktd253_backlight_stepdown()
[all …]
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | ep7211-edb7211.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 #include <dt-bindings/gpio/gpio.h>
15 backlight: backlight { label
16 compatible = "pwm-backlight";
18 brightness-levels = <
22 default-brightness-level = <0x0>;
23 power-supply = <&blen>;
28 bits-per-pixel = <4>;
29 ac-prescale = <17>;
31 display-timings {
[all …]
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| /kernel/linux/linux-6.6/arch/arm/boot/dts/cirrus/ |
| D | ep7211-edb7211.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 #include <dt-bindings/gpio/gpio.h>
15 backlight: backlight { label
16 compatible = "pwm-backlight";
18 brightness-levels = <
22 default-brightness-level = <0x0>;
23 power-supply = <&blen>;
28 bits-per-pixel = <4>;
29 ac-prescale = <17>;
31 display-timings {
[all …]
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| /kernel/linux/linux-6.6/drivers/gpu/drm/tilcdc/ |
| D | tilcdc_panel.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/backlight.h>
8 #include <linux/gpio/consumer.h>
29 struct backlight_device *backlight; member
48 struct backlight_device *backlight = panel_encoder->mod->backlight; in panel_encoder_dpms() local
49 struct gpio_desc *gpio = panel_encoder->mod->enable_gpio; in panel_encoder_dpms() local
51 if (backlight) { in panel_encoder_dpms()
52 backlight->props.power = mode == DRM_MODE_DPMS_ON ? in panel_encoder_dpms()
54 backlight_update_status(backlight); in panel_encoder_dpms()
57 if (gpio) in panel_encoder_dpms()
[all …]
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| /kernel/linux/linux-5.10/drivers/gpu/drm/tilcdc/ |
| D | tilcdc_panel.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/gpio/consumer.h>
28 struct backlight_device *backlight; member
47 struct backlight_device *backlight = panel_encoder->mod->backlight; in panel_encoder_dpms() local
48 struct gpio_desc *gpio = panel_encoder->mod->enable_gpio; in panel_encoder_dpms() local
50 if (backlight) { in panel_encoder_dpms()
51 backlight->props.power = mode == DRM_MODE_DPMS_ON ? in panel_encoder_dpms()
53 backlight_update_status(backlight); in panel_encoder_dpms()
56 if (gpio) in panel_encoder_dpms()
57 gpiod_set_value_cansleep(gpio, in panel_encoder_dpms()
[all …]
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