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/Linux-v5.10/Documentation/devicetree/bindings/mfd/
Daxp20x.txt4 axp152 (X-Powers)
5 axp202 (X-Powers)
6 axp209 (X-Powers)
7 axp221 (X-Powers)
8 axp223 (X-Powers)
9 axp803 (X-Powers)
10 axp806 (X-Powers)
11 axp809 (X-Powers)
12 axp813 (X-Powers)
20 - compatible: should be one of:
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/Linux-v5.10/arch/arm64/boot/dts/renesas/
Dr8a77995-draak.dts1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2016-2018 Renesas Electronics Corp.
9 /dts-v1/;
11 #include <dt-bindings/gpio/gpio.h>
23 compatible = "pwm-backlight";
26 brightness-levels = <512 511 505 494 473 440 392 327 241 133 0>;
27 default-brightness-level = <10>;
29 power-supply = <&reg_12p0v>;
30 enable-gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
35 stdout-path = "serial0:115200n8";
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Dbeacon-renesom-baseboard.dtsi1 // SPDX-License-Identifier: GPL-2.0
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/input.h>
10 backlight_lvds: backlight-lvds {
11 compatible = "pwm-backlight";
12 power-supply = <&reg_lcd>;
13 enable-gpios = <&gpio_exp1 3 GPIO_ACTIVE_LOW>;
15 brightness-levels = <0 4 8 16 32 64 128 255>;
16 default-brightness-level = <6>;
19 backlight_rgb: backlight-rgb {
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Dr8a77990-ebisu.dts1 // SPDX-License-Identifier: GPL-2.0
8 /dts-v1/;
10 #include <dt-bindings/gpio/gpio.h>
23 stdout-path = "serial0:115200n8";
26 audio_clkout: audio-clkout {
29 * but needed to avoid cs2000/rcar_sound probe dead-lock
31 compatible = "fixed-clock";
32 #clock-cells = <0>;
33 clock-frequency = <11289600>;
37 compatible = "pwm-backlight";
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Dsalvator-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for common parts of Salvator-X board variants
5 * Copyright (C) 2015-2016 Renesas Electronics Corp.
9 * SSI-AK4613
31 #include <dt-bindings/gpio/gpio.h>
32 #include <dt-bindings/input/input.h>
43 stdout-path = "serial0:115200n8";
46 audio_clkout: audio-clkout {
49 * but needed to avoid cs2000/rcar_sound probe dead-lock
51 compatible = "fixed-clock";
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/Linux-v5.10/Documentation/devicetree/bindings/regulator/
Donnn,fan53880.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Christoph Fritz <chf.fritz@googlemail.com>
14 that contains a BUCK (step-down converter), four low dropouts (LDO)
15 and one BOOST (step-up converter) output. It is designed for mobile
20 pattern: "pmic@[0-9a-f]{1,2}"
23 - onnn,fan53880
28 VIN12-supply:
29 description: Input supply phandle(s) for LDO1 and LDO2
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Dslg51000.txt4 - compatible : Should be "dlg,slg51000" for SLG51000
5 - reg : Specifies the I2C slave address.
6 - xxx-supply: Input voltage supply regulator for ldo3 to ldo7.
9 If some of input supply is powered through battery or always-on supply then
11 on power supply.
12 vin3-supply: Input supply for ldo3
13 vin4-supply: Input supply for ldo4
14 vin5-supply: Input supply for ldo5
15 vin6-supply: Input supply for ldo6
16 vin7-supply: Input supply for ldo7
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/Linux-v5.10/drivers/regulator/
Daxp20x-regulator.c282 .n_voltages = (((_max) - (_min)) / (_step) + 1), \
304 .n_voltages = (((_max) - (_min)) / (_step) + 1), \
376 switch (axp20x->variant) { in axp20x_set_ramp_delay()
406 return -ENOTSUPP; in axp20x_set_ramp_delay()
425 dev_err(axp20x->dev, "unsupported ramp value %d", ramp); in axp20x_set_ramp_delay()
426 return -EINVAL; in axp20x_set_ramp_delay()
432 return regmap_update_bits(axp20x->regmap, reg, mask, cfg); in axp20x_set_ramp_delay()
440 switch (axp20x->variant) { in axp20x_regulator_enable_regmap()
443 rdev->constraints && rdev->constraints->soft_start) { in axp20x_regulator_enable_regmap()
571 AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20,
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