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/Linux-v6.1/Documentation/devicetree/bindings/mfd/
Dmediatek,mt6370.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mfd/mediatek,mt6370.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek MT6370 SubPMIC
10 - ChiYuan Huang <cy_huang@richtek.com>
13 MT6370 is a highly-integrated smart power management IC, which includes a
14 single cell Li-Ion/Li-Polymer switching battery charger, a USB Type-C &
16 driver, a backlight WLED driver, a display bias driver and a general LDO for
21 const: mediatek,mt6370
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/Linux-v6.1/Documentation/devicetree/bindings/leds/backlight/
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-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek MT6370 Backlight
10 - ChiaEn Wu <chiaen_wu@richtek.com>
13 This module is part of the MT6370 MFD device.
14 The MT6370 Backlight WLED driver supports up to a 29V output voltage for
16 capability with 2048 current steps (11 bits, only for MT6370/MT6371) or
21 - $ref: common.yaml#
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/Linux-v6.1/drivers/mfd/
Dmt6370.c1 // SPDX-License-Identifier: GPL-2.0-only
17 #include "mt6370.h"
116 .name = "mt6370-irqs",
134 MFD_CELL_OF("mt6370-adc",
135 NULL, NULL, 0, 0, "mediatek,mt6370-adc"),
136 MFD_CELL_OF("mt6370-charger",
137 NULL, NULL, 0, 0, "mediatek,mt6370-charger"),
138 MFD_CELL_OF("mt6370-flashlight",
139 NULL, NULL, 0, 0, "mediatek,mt6370-flashlight"),
140 MFD_CELL_OF("mt6370-indicator",
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
44 tristate "Active-semi ACT8945A"
49 Support for the ACT8945A PMIC from Active-semi. This device
50 features three step-down DC/DC converters and four low-dropout
66 sun4i-gpadc-iio and the hwmon driver iio_hwmon.
69 called sun4i-gpadc.
88 tablets etc. It has 4 DC/DC step-down regulators, 3 DC/DC step-down
99 individual components like LCD backlight, LEDs, GPIOs and Kepad
119 over at91-usart-serial driver and usart-spi-driver. Only one function
135 tristate "Atmel HLCDC (High-end LCD Controller)"
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/Linux-v6.1/drivers/video/backlight/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Backlight & LCD drivers configuration
6 menu "Backlight & LCD device support"
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!)).
90 This driver provides a platform-device registered LCD power
94 tristate "Sharp SL-6000 LCD Driver"
97 If you have an Sharp SL-6000 Zaurus say Y to enable a driver
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Dmt6370-backlight.c1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/backlight.h>
82 brightness_val[0] = (brightness - 1) & priv->dim2_mask; in mt6370_bl_update_status()
83 brightness_val[1] = (brightness - 1) >> priv->dim2_shift; in mt6370_bl_update_status()
85 ret = regmap_raw_write(priv->regmap, MT6370_REG_BL_DIM2, in mt6370_bl_update_status()
91 gpiod_set_value(priv->enable_gpio, !!brightness); in mt6370_bl_update_status()
94 return regmap_update_bits(priv->regmap, MT6370_REG_BL_EN, in mt6370_bl_update_status()
105 ret = regmap_read(priv->regmap, MT6370_REG_BL_EN, &enable); in mt6370_bl_get_brightness()
112 ret = regmap_raw_read(priv->regmap, MT6370_REG_BL_DIM2, in mt6370_bl_get_brightness()
117 brightness = brightness_val[1] << priv->dim2_shift; in mt6370_bl_get_brightness()
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DMakefile1 # 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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/Linux-v6.1/drivers/regulator/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
38 managed regulators and simple non-configurable regulators.
65 They provide two I2C-controlled DC/DC step-down converters with
85 tristate "Active-semi act8865 voltage regulator"
90 This driver controls a active-semi act8865 voltage output
94 tristate "Active-semi ACT8945A voltage regulator"
97 This driver controls a active-semi ACT8945A voltage regulator
98 via I2C bus. The ACT8945A features three step-down DC/DC converters
99 and four low-dropout linear regulators, along with a ActivePath
110 tristate "Freescale i.MX on-chip ANATOP LDO regulators"
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