| /openbmc/linux/drivers/video/backlight/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # Backlight & LCD drivers configuration
6 menu "Backlight & LCD device support"
9 # LCD
12 tristate "Lowlevel LCD controls"
14 This framework adds support for low-level control of LCD.
15 Some framebuffer devices connect to platform-specific LCD modules
16 in order to have a platform-specific way to control the flat panel
17 (contrast and applying power to the LCD (not to the backlight!)).
19 To have support for your specific LCD panel you will have to
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| H A D | platform_lcd.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* drivers/video/backlight/platform_lcd.c
7 * Generic platform-device LCD power control interface.
13 #include <linux/backlight.h>
14 #include <linux/lcd.h>
21 struct lcd_device *lcd; member
28 static inline struct platform_lcd *to_our_lcd(struct lcd_device *lcd) in to_our_lcd() argument
30 return lcd_get_data(lcd); in to_our_lcd()
33 static int platform_lcd_get_power(struct lcd_device *lcd) in platform_lcd_get_power() argument
35 struct platform_lcd *plcd = to_our_lcd(lcd); in platform_lcd_get_power()
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| H A D | Makefile | 1 # SPDX-License-Identifier: GPL-2.0
2 # Backlight & LCD drivers
4 obj-$(CONFIG_LCD_AMS369FG06) += ams369fg06.o
5 obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o
6 obj-$(CONFIG_LCD_CORGI) += corgi_lcd.o
7 obj-$(CONFIG_LCD_HP700) += jornada720_lcd.o
8 obj-$(CONFIG_LCD_HX8357) += hx8357.o
9 obj-$(CONFIG_LCD_ILI922X) += ili922x.o
10 obj-$(CONFIG_LCD_ILI9320) += ili9320.o
11 obj-$(CONFIG_LCD_L4F00242T03) += l4f00242t03.o
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| /openbmc/linux/drivers/gpu/drm/panel/ |
| H A D | panel-sony-acx565akm.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Sony ACX565AKM LCD Panel driver
7 * Based on the omapdrm-specific panel-sony-acx565akm driver
16 * - Update backlight support to use backlight_update_status() etc.
17 * - Use prepare/unprepare for the basic power on/off of the backligt
20 #include <linux/backlight.h>
52 struct backlight_device *backlight; member
75 static void acx565akm_transfer(struct acx565akm_panel *lcd, int cmd, in acx565akm_transfer() argument
88 x->tx_buf = &cmd; in acx565akm_transfer()
89 x->bits_per_word = 9; in acx565akm_transfer()
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| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
12 tristate "ABT Y030XX067A 320x480 LCD panel"
17 Y030XX067A 320x480 3.0" panel as found in the YLM RG-280M, RG-300
18 and RG-99 handheld gaming consoles.
46 as found in the YLM RS-97 handheld gaming console.
49 tristate "Boe BF060Y8M-AJ0 panel"
54 Say Y here if you want to enable support for Boe BF060Y8M-AJ0
57 the host and backlight is controlled through DSI commands.
66 TFT-LCD modules. The panel has a 1200x1920 resolution and uses
68 the host and has a built-in LED backlight.
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| /openbmc/linux/Documentation/devicetree/bindings/display/ |
| H A D | atmel,lcdc.txt | 2 -----------------------------------------------------
5 - compatible :
6 "atmel,at91sam9261-lcdc" ,
7 "atmel,at91sam9263-lcdc" ,
8 "atmel,at91sam9g10-lcdc" ,
9 "atmel,at91sam9g45-lcdc" ,
10 "atmel,at91sam9g45es-lcdc" ,
11 "atmel,at91sam9rl-lcdc" ,
12 - reg : Should contain 1 register ranges(address and length).
15 - interrupts : framebuffer controller interrupt
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| H A 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:
23 # Waveshare 3.5" 320x480 Color TFT LCD
24 - waveshare,rpi-lcd-35
25 # Ozzmaker 3.5" 320x480 Color TFT LCD
26 - ozzmaker,piscreen
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| H A 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:
24 Adafruit 1.8" 160x128 Color TFT LCD (Product ID 358 or 618)
26 - enum:
27 - jianda,jd-t18003-t01
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| /openbmc/linux/drivers/auxdisplay/ |
| H A D | charlcd.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Character LCD driver for Linux
5 * Copyright (C) 2000-2008, Willy Tarreau <w@1wt.eu>
6 * Copyright (C) 2016-2017 Glider bvba
24 /* Keep the backlight on this many seconds for each flash */
27 #define LCD_ESCAPE_LEN 24 /* Max chars for LCD escape command */
31 struct charlcd lcd; member
39 /* contains the LCD config state */
42 /* Current escape sequence and it's length or -1 if outside */
51 #define charlcd_to_priv(p) container_of(p, struct charlcd_priv, lcd)
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| H A D | charlcd.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Character LCD driver for Linux
5 * Copyright (C) 2000-2008, Willy Tarreau <w@1wt.eu>
6 * Copyright (C) 2016-2017 Glider bvba
16 #define LCD_FLAG_N 0x0040 /* 2-rows mode */
17 #define LCD_FLAG_L 0x0080 /* Backlight enabled */
46 /* Contains the LCD X and Y offset */
56 * struct charlcd_ops - Functions used by charlcd. Drivers have to implement
58 * @backlight: Turn backlight on or off. Optional.
79 void (*backlight)(struct charlcd *lcd, enum charlcd_onoff on); member
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| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
4 # see Documentation/kbuild/kconfig-language.rst.
20 tristate "Character LCD core support" if COMPILE_TEST
22 This is the base system for character-based LCD displays.
25 This is some character LCD core interface that multiple drivers can
31 This is the core support for single-line character displays, to be
35 tristate "Common functions for HD44780 (and compatibles) LCD displays" if COMPILE_TEST
45 tristate "HD44780 Character LCD support"
50 The LCD is accessible through the /dev/lcd char device (10, 156).
56 tristate "KS0108 LCD Controller"
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| /openbmc/linux/Documentation/devicetree/bindings/mfd/ |
| H A D | richtek,rt4831.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: Richtek RT4831 DSV and Backlight Integrated IC
10 - ChiYuan Huang <cy_huang@richtek.com>
13 RT4831 is a multifunctional device that can provide power to the LCD display
14 and LCD backlight.
17 It's sufficient to meet the current LCD power requirement.
19 For the LCD backlight, it can provide four channel WLED driving capability.
23 https://www.richtek.com/assets/product_file/RT4831A/DS4831A-05.pdf
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| /openbmc/linux/Documentation/devicetree/bindings/leds/backlight/ |
| H A D | richtek,rt4831-backlight.yaml | 1 # 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#
7 title: Richtek RT4831 Backlight
10 - ChiYuan Huang <cy_huang@richtek.com>
13 RT4831 is a mutifunctional device that can provide power to the LCD display
14 and LCD backlight.
16 For the LCD backlight, it can provide four channel WLED driving capability.
20 https://www.richtek.com/assets/product_file/RT4831A/DS4831A-05.pdf
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| H A D | kinetic,ktz8866.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/kinetic,ktz8866.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Kinetic Technologies KTZ8866 backlight
10 - Jianhua Lu <lujianhua000@gmail.com>
13 The Kinetic Technologies KTZ8866 is a high efficiency 6-channels-current-sinks
14 led backlight with dual lcd bias power.
15 https://www.kinet-ic.com/ktz8866/
18 - $ref: common.yaml#
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| /openbmc/linux/Documentation/devicetree/bindings/display/panel/ |
| H A D | olimex,lcd-olinuxino.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/olimex,lcd-olinuxino.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Olimex Ltd. LCD-OLinuXino bridge panel.
10 - Stefan Mavrodiev <stefan@olimex.com>
13 This device can be used as bridge between a host controller and LCD panels.
15 - LCD-OLinuXino-4.3TS
16 - LCD-OLinuXino-5
17 - LCD-OLinuXino-7
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| H A D | boe,tv101wum-nl6.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/panel/boe,tv101wum-nl6.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: BOE TV101WUM-NL6 DSI Display Panel
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Sam Ravnborg <sam@ravnborg.org>
14 - $ref: panel-common.yaml#
19 # BOE TV101WUM-NL6 10.1" WUXGA TFT LCD panel
20 - boe,tv101wum-nl6
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| H A D | rocktech,jh057n00900.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: Rocktech JH057N00900 5.5" 720x1440 TFT LCD panel
10 - Ondrej Jirman <megi@xff.cz>
11 - Guido Gŭnther <agx@sigxcpu.org>
14 Rocktech JH057N00900 is a 720x1440 TFT LCD panel
15 connected using a MIPI-DSI video interface.
18 - $ref: panel-common.yaml#
23 # Anberic RG353V-V2 5.0" 640x480 TFT LCD panel
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| H A D | sitronix,st7701.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: Sitronix ST7701 based LCD panels
10 - Jagan Teki <jagan@amarulasolutions.com>
13 ST7701 designed for small and medium sizes of TFT LCD display, is
17 Techstar TS8550B is 480x854, 2-lane MIPI DSI LCD panel which has
20 Densitron DMT028VGHMCMI-1A is 480x640, 2-lane MIPI DSI LCD panel
21 which has built-in ST7701 chip.
24 - $ref: panel-common.yaml#
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| H A D | panel-simple-dsi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-simple-dsi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Simple DSI panels with a single power-supply
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Sam Ravnborg <sam@ravnborg.org>
15 requires only a single power-supply.
16 There are optionally a backlight and an enable GPIO.
29 # AU Optronics Corporation 8.0" WUXGA TFT LCD panel
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| /openbmc/linux/arch/arm/boot/dts/rockchip/ |
| H A D | rk3288-veyron-edp.dtsi | 1 // 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 {
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| /openbmc/u-boot/drivers/video/ |
| H A D | Kconfig | 8 bool "Enable driver model support for LCD/video"
11 This enables driver model for LCD and video devices. These support
13 to display a command-line console or splash screen. Enabling this
14 option compiles in the video uclass and routes all LCD/video access
18 bool "Generic PWM based Backlight Driver"
22 If you have a LCD backlight adjustable by PWM, say Y to enable
24 This driver can be use with "simple-panel" and
26 (leds/backlight/pwm-backlight.txt)
29 bool "Generic GPIO based Backlight Driver"
32 If you have a LCD backlight adjustable by GPIO, say Y to enable
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| /openbmc/linux/Documentation/devicetree/bindings/auxdisplay/ |
| H A D | hit,hd44780.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: Hitachi HD44780 Character LCD Controller
10 - Geert Uytterhoeven <geert@linux-m68k.org>
13 The Hitachi HD44780 Character LCD Controller is commonly used on character
15 interface, which can be used in either 4-bit or 8-bit mode. By using a
24 data-gpios:
26 GPIO pins connected to the data signal lines DB0-DB7 (8-bit mode) or
27 DB4-DB7 (4-bit mode) of the LCD Controller's bus interface.
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| /openbmc/linux/arch/arm/boot/dts/nxp/imx/ |
| H A D | imx6ul-phytec-segin-peb-av-02.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
9 backlight_lcd: backlight-lcd {
10 compatible = "pwm-backlight";
11 brightness-levels = <0 4 8 16 32 64 128 255>;
12 default-brightness-level = <5>;
13 power-supply = <®_backlight_en>;
18 lcd_panel: lcd-panel {
20 backlight = <&backlight_lcd>;
25 remote-endpoint = <&lcdif_parallel_out>;
30 reg_backlight_en: regulator-backlight-en {
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| /openbmc/linux/arch/mips/boot/dts/ingenic/ |
| H A D | rs90.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/iio/adc/ingenic,adc.h>
8 #include <dt-bindings/input/linux-event-codes.h>
12 model = "RS-90";
19 reserved-memory {
20 #address-cells = <1>;
21 #size-cells = <1>;
24 vmem: video-memory@1f00000 {
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| /openbmc/linux/Documentation/devicetree/bindings/leds/ |
| H A D | leds-lm36274.txt | 1 * Texas Instruments LM36274 4-Channel LCD Backlight Driver w/Integrated Bias
3 The LM36274 is an integrated four-channel WLED driver and LCD bias supply.
4 The backlight boost provides the power to bias four parallel LED strings with
5 up to 29V total output voltage. The 11-bit LED current is programmable via
9 Documentation/devicetree/bindings/mfd/ti-lmu.txt
12 Documentation/devicetree/bindings/regulator/lm363x-regulator.txt
14 Required backlight properties:
15 - compatible:
16 "ti,lm36274-backlight"
17 - reg : 0
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