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/openbmc/linux/Documentation/devicetree/bindings/iio/adc/
H A Daspeed,ast2600-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/aspeed,ast2600-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Billy Tsai <billy_tsai@aspeedtech.com>
13 • 10-bits resolution for 16 voltage channels.
16 • Channel scanning can be non-continuous.
21 • Built-in a compensating method.
22 • Built-in a register to trim internal reference voltage.
25 • Integrate dividing circuit for battery sensing.
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/openbmc/linux/Documentation/devicetree/bindings/power/supply/
H A Drichtek,rt9467.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Richtek RT9467 Switching Battery Charger with Power Path Management
10 - ChiYuan Huang <cy_huang@richtek.com>
11 - ChiaEn Wu <chiaen_wu@richtek.com>
14 RT9467 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for
16 MOSFETs, input current sensing and regulation, high-accuracy voltage
18 integrated sensing resistors.
20 The RT9467 also features USB On-The-Go (OTG) support. It also integrates
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H A Dbq2415x.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: TI bq2415x Li-Ion Charger
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
19 - ti,bq24150
20 - ti,bq24150a
21 - ti,bq24151
22 - ti,bq24151a
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/openbmc/linux/drivers/power/supply/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
36 battery class devices.
39 tristate "Generic battery support using IIO"
42 Say Y here to enable support for the generic battery driver
51 which include a battery charger and a boost converter.
54 tristate "MAX8925 battery charger support"
57 Say Y here to enable support for the battery charger in the Maxim
61 tristate "WM831X backup battery charger support"
64 Say Y here to enable support for the backup battery charger
87 tristate "Marvell 88PM860x battery driver"
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/openbmc/linux/drivers/iio/adc/
H A Daspeed_adc.c1 // SPDX-License-Identifier: GPL-2.0-only
16 #include <linux/clk-provider.h>
58 * circuit for battery sensing.
185 dev_warn(data->dev, "Couldn't find syscon node\n"); in aspeed_adc_set_trim_data()
186 return -EOPNOTSUPP; in aspeed_adc_set_trim_data()
191 dev_warn(data->dev, "Failed to get syscon regmap\n"); in aspeed_adc_set_trim_data()
192 return -EOPNOTSUPP; in aspeed_adc_set_trim_data()
194 if (data->model_data->trim_locate) { in aspeed_adc_set_trim_data()
195 if (regmap_read(scu, data->model_data->trim_locate->offset, in aspeed_adc_set_trim_data()
197 dev_warn(data->dev, in aspeed_adc_set_trim_data()
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H A Dtwl4030-madc.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * TWL4030 MADC module driver-This driver monitors the real time
5 * conversion of analog signals like battery temperature,
6 * battery type, battery level etc.
8 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
9 * J Keerthy <j-keerthy@ti.com>
11 * Based on twl4030-madc.c
119 * struct twl4030_madc_request - madc request packet for channel conversion
154 * struct twl4030_madc_data - a container for madc info
159 * @use_second_irq: IRQ selection (main or co-processor)
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/openbmc/linux/Documentation/w1/slaves/
H A Dw1_ds2438.rst6 * Maxim DS2438 Smart Battery Monitor
16 -----------
19 a battery pack. It also has a 40 bytes of nonvolatile EEPROM.
22 wind speed/direction measuring, humidity sensing, etc.
28 -----
36 When writing to sysfs file bits 2-7 are ignored, so it's safe to write ASCII.
40 -------
48 -------
56 --------
57 This file controls the 2-byte Offset Register of the chip.
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/openbmc/linux/drivers/hid/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
22 most commonly used to refer to the USB-HID specification, but other
27 removed from the HID bus by the transport-layer drivers, such as
37 bool "Battery level reporting for HID devices"
41 This option adds support of reporting battery strength (for HID devices
58 to work on raw hid events when they want to, and avoid using transport-specific
64 tristate "User-space I/O driver support for HID subsystem"
67 Say Y here if you want to provide HID I/O Drivers from user-space.
68 This allows to write I/O drivers in user-space and feed the data from
71 user-space device.
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/openbmc/u-boot/common/spl/
H A DKconfig25 supports MMC, NAND and YMODEM and other methods loading of U-Boot
29 bool "Pass hand-off information from SPL to U-Boot proper"
32 It is useful to be able to pass information from SPL to U-Boot
33 proper to preserve state that is known in SPL and is needed in U-Boot.
34 Enable this to locate the handoff information in U-Boot proper, early
35 in boot. It is available in gd->handoff. The state state is set up
44 This option can minilize the SPL size to compatible with AST2600-A0
48 bool "Pass hand-off information from SPL to U-Boot proper"
53 used to pass information like the size of SDRAM from SPL to U-Boot
59 default "arch/$(ARCH)/cpu/u-boot-spl.lds"
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/openbmc/linux/drivers/phy/ti/
H A Dphy-twl4030-usb.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * twl4030_usb - TWL4030 USB transceiver, talking to OMAP OTG controller
5 * Copyright (C) 2004-2007 Texas Instruments
10 * - HS USB ULPI mode works.
11 * - 3-pin mode support may be added in future.
138 * cable is present and we need to be runtime-enabled
175 /*-------------------------------------------------------------------------*/
186 dev_dbg(twl->dev, "Write%d[%d,0x%x] wrote %02x but read %02x\n", in twl4030_i2c_write_u8_verify()
194 dev_dbg(twl->dev, "Write%d[%d,0x%x] wrote %02x but read %02x\n", in twl4030_i2c_write_u8_verify()
198 return -EBUSY; in twl4030_i2c_write_u8_verify()
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/openbmc/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-bmc-ibm-system1.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
3 /dts-v1/;
5 #include "aspeed-g6.dtsi"
6 #include <dt-bindings/gpio/aspeed-gpio.h>
7 #include <dt-bindings/i2c/i2c.h>
8 #include <dt-bindings/leds/leds-pca955x.h>
12 compatible = "ibm,system1-bmc", "aspeed,ast2600";
74 stdout-path = "uart5:115200n8";
82 reserved-memory {
83 #address-cells = <1>;
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H A Daspeed-bmc-ibm-sbp1.dts1 // SPDX-License-Identifier: GPL-2.0+
3 /dts-v1/;
4 #include <dt-bindings/gpio/aspeed-gpio.h>
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/interrupt-controller/irq.h>
7 #include <dt-bindings/leds/common.h>
8 #include <dt-bindings/i2c/i2c.h>
9 #include "aspeed-g6.dtsi"
13 compatible = "ibm,sbp1-bmc", "aspeed,ast2600";
16 stdout-path = &uart1;
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/openbmc/linux/Documentation/devicetree/bindings/
H A Dvendor-prefixes.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/vendor-prefixes.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
19 "^(at25|bm|devbus|dmacap|dsa|exynos|fsi[ab]|gpio-fan|gpio-key|gpio|gpmc|hdmi|i2c-gpio),.*": true
21 "^(pinctrl-single|#pinctrl-single|PowerPC),.*": true
22 "^(pl022|pxa-mmc|rcar_sound|rotary-encoder|s5m8767|sdhci),.*": true
23 "^(simple-audio-card|st-plgpio|st-spics|ts),.*": true
48 "^active-semi,.*":
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