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/linux-5.10/drivers/regulator/
Dhelpers.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 // helpers.c -- Voltage/Current Regulator framework helper functions.
19 * regulator_is_enabled_regmap - standard is_enabled() for regmap users
32 ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); in regulator_is_enabled_regmap()
36 val &= rdev->desc->enable_mask; in regulator_is_enabled_regmap()
38 if (rdev->desc->enable_is_inverted) { in regulator_is_enabled_regmap()
39 if (rdev->desc->enable_val) in regulator_is_enabled_regmap()
40 return val != rdev->desc->enable_val; in regulator_is_enabled_regmap()
43 if (rdev->desc->enable_val) in regulator_is_enabled_regmap()
44 return val == rdev->desc->enable_val; in regulator_is_enabled_regmap()
[all …]
D88pm800-regulator.c1 // SPDX-License-Identifier: GPL-2.0-only
78 * vreg - the buck regs string.
79 * ereg - the string for the enable register.
80 * ebit - the bit number in the enable register.
81 * amax - the current
82 * Buck has 2 kinds of voltage steps. It is easy to find voltage by ranges,
83 * not the constant voltage table.
84 * n_volt - Number of available selectors
108 * vreg - the LDO regs string
109 * ereg - the string for the enable register.
[all …]
/linux-5.10/Documentation/devicetree/bindings/mmc/
Dmmc-spi-slot.txt7 - spi-max-frequency : maximum frequency for this device (Hz).
8 - voltage-ranges : two cells are required, first cell specifies minimum
9 slot voltage (mV), second cell specifies maximum slot voltage (mV).
10 Several ranges could be specified.
13 - gpios : may specify GPIOs in this order: Card-Detect GPIO,
14 Write-Protect GPIO. Note that this does not follow the
19 mmc-slot@0 {
20 compatible = "fsl,mpc8323rdb-mmc-slot",
21 "mmc-spi-slot";
25 voltage-ranges = <3300 3300>;
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Dfsl-esdhc.txt7 by mmc.txt and the properties used by the sdhci-esdhc driver.
10 - compatible : should be "fsl,esdhc", or "fsl,<chip>-esdhc".
12 "fsl,mpc8536-esdhc"
13 "fsl,mpc8378-esdhc"
14 "fsl,p2020-esdhc"
15 "fsl,p4080-esdhc"
16 "fsl,t1040-esdhc"
17 "fsl,t4240-esdhc"
19 "fsl,ls1012a-esdhc"
20 "fsl,ls1028a-esdhc"
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Dfsl-imx-esdhc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mmc/fsl-imx-esdhc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Shawn Guo <shawnguo@kernel.org>
13 - $ref: "mmc-controller.yaml"
20 by mmc.txt and the properties used by the sdhci-esdhc-imx driver.
25 - enum:
26 - fsl,imx25-esdhc
27 - fsl,imx35-esdhc
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/linux-5.10/drivers/power/supply/
Dbd99954-charger.c1 // SPDX-License-Identifier: GPL-2.0-only
17 * Curve (2) represents battery voltage.
20 * a) Trickle-charge with constant current (8).
21 * b) pre-charge with constant current (6)
22 * c) fast-charge, first with constant current (5) phase. After
23 * the battery voltage has reached target level (4) we have constant
24 * voltage phase until charging current has dropped to termination
30 *(4)` `.` ` ` ` ` ` ` ` ` ` ` ` ` ` ----------------------------.
32 * . o----+/:/ ` ` ` ` ` ` ` ` ` ` ` ` `.` ` (5)
34 * . + /- -- .
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/linux-5.10/Documentation/devicetree/bindings/iio/dac/
Dad5758.txt4 - compatible: Must be "adi,ad5758"
5 - reg: SPI chip select number for the device
6 - spi-max-frequency: Max SPI frequency to use (< 50000000)
7 - spi-cpha: is the only mode that is supported
11 - adi,dc-dc-mode: Mode of operation of the dc-to-dc converter
14 voltage and dynamically regulates the supply voltage,
16 headroom voltage for the output buffer.
19 In this mode, the VDPC+ voltage is user-programmable to
24 current or voltage output at the VIOUT pin. Only one mode
29 * 2: DPC voltage mode
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/linux-5.10/include/linux/
Dlinear_range.h1 /* SPDX-License-Identifier: GPL-2.0 */
10 * struct linear_range - table of selector - value pairs
12 * Define a lookup-table for range of values. Intended to help when looking
13 * for a register value matching certaing physical measure (like voltage).
15 * of the physical measure (like voltage).
31 int ranges);
36 int linear_range_get_value_array(const struct linear_range *r, int ranges,
45 int ranges, unsigned int val,
/linux-5.10/Documentation/hwmon/
Dbt1-pvt.rst1 .. SPDX-License-Identifier: GPL-2.0-only
3 Kernel driver bt1-pvt
8 * Baikal-T1 PVT sensor (in SoC)
10 Prefix: 'bt1-pvt'
12 Addresses scanned: -
21 -----------
24 embedded into Baikal-T1 process, voltage and temperature sensors. PVT IP-core
25 consists of one temperature and four voltage sensors, which can be used to
26 monitor the chip internal environment like heating, supply voltage and
29 compile-time configurable due to the hardware interface implementation
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/linux-5.10/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/
Drn_clk_mgr.c66 for (i = 0; i < context->stream_count; i++) { in rn_get_active_display_cnt_wa()
67 const struct dc_stream_state *stream = context->streams[i]; in rn_get_active_display_cnt_wa()
69 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A || in rn_get_active_display_cnt_wa()
70 stream->signal == SIGNAL_TYPE_DVI_SINGLE_LINK || in rn_get_active_display_cnt_wa()
71 stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) in rn_get_active_display_cnt_wa()
75 for (i = 0; i < dc->link_count; i++) { in rn_get_active_display_cnt_wa()
76 const struct dc_link *link = dc->links[i]; in rn_get_active_display_cnt_wa()
85 if (link->connector_signal == SIGNAL_TYPE_VIRTUAL || in rn_get_active_display_cnt_wa()
86 link->link_enc->funcs->is_dig_enabled(link->link_enc)) in rn_get_active_display_cnt_wa()
103 clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER; in rn_set_low_power_state()
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/linux-5.10/arch/arm/boot/dts/
Dimx23.dtsi1 // SPDX-License-Identifier: GPL-2.0+
5 #include "imx23-pinfunc.h"
8 #address-cells = <1>;
9 #size-cells = <1>;
11 interrupt-parent = <&icoll>;
14 * pre-existing /chosen node to be available to insert the
31 #address-cells = <1>;
32 #size-cells = <0>;
35 compatible = "arm,arm926ej-s";
42 compatible = "simple-bus";
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Dimx6sx.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 #include <dt-bindings/clock/imx6sx-clock.h>
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/input.h>
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
9 #include "imx6sx-pinfunc.h"
12 #address-cells = <1>;
13 #size-cells = <1>;
16 * pre-existing /chosen node to be available to insert the
57 #address-cells = <1>;
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Dimx28.dtsi1 // SPDX-License-Identifier: GPL-2.0+
5 #include <dt-bindings/gpio/gpio.h>
6 #include "imx28-pinfunc.h"
9 #address-cells = <1>;
10 #size-cells = <1>;
12 interrupt-parent = <&icoll>;
15 * pre-existing /chosen node to be available to insert the
42 #address-cells = <1>;
43 #size-cells = <0>;
46 compatible = "arm,arm926ej-s";
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Dimx6sl.dtsi1 // SPDX-License-Identifier: GPL-2.0
5 #include <dt-bindings/interrupt-controller/irq.h>
6 #include "imx6sl-pinfunc.h"
7 #include <dt-bindings/clock/imx6sl-clock.h>
10 #address-cells = <1>;
11 #size-cells = <1>;
14 * pre-existing /chosen node to be available to insert the
47 #address-cells = <1>;
48 #size-cells = <0>;
51 compatible = "arm,cortex-a9";
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Dqcom-msm8660.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/interrupt-controller/irq.h>
5 #include <dt-bindings/interrupt-controller/arm-gic.h>
6 #include <dt-bindings/clock/qcom,gcc-msm8660.h>
7 #include <dt-bindings/soc/qcom,gsbi.h>
10 #address-cells = <1>;
11 #size-cells = <1>;
14 interrupt-parent = <&intc>;
17 #address-cells = <1>;
[all …]
/linux-5.10/include/linux/regulator/
Ddriver.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * driver.h -- SoC Regulator driver support.
53 * struct regulator_ops - regulator operations.
60 * @set_voltage: Set the voltage for the regulator within the range specified.
61 * The driver should select the voltage closest to min_uV.
62 * @set_voltage_sel: Set the voltage for the regulator using the specified
64 * @map_voltage: Convert a voltage into a selector
65 * @get_voltage: Return the currently configured voltage for the regulator;
66 * return -ENOTRECOVERABLE if regulator can't be read at
68 * @get_voltage_sel: Return the currently configured voltage selector for the
[all …]
/linux-5.10/Documentation/devicetree/bindings/pci/
Dnvidia,tegra20-pcie.txt4 - compatible: Must be:
5 - "nvidia,tegra20-pcie": for Tegra20
6 - "nvidia,tegra30-pcie": for Tegra30
7 - "nvidia,tegra124-pcie": for Tegra124 and Tegra132
8 - "nvidia,tegra210-pcie": for Tegra210
9 - "nvidia,tegra186-pcie": for Tegra186
10 - power-domains: To ungate power partition by BPMP powergate driver. Must
13 - device_type: Must be "pci"
14 - reg: A list of physical base address and length for each set of controller
15 registers. Must contain an entry for each entry in the reg-names property.
[all …]
/linux-5.10/Documentation/devicetree/bindings/regulator/
Dltc3676.txt1 Linear Technology LTC3676 8-output regulators
4 - compatible: "lltc,ltc3676"
5 - reg: I2C slave address
8 - regulators: Contains eight regulator child nodes sw1, sw2, sw3, sw4,
14 the resistor values of their external feedback voltage dividers:
17 - lltc,fb-voltage-divider: An array of two integers containing the resistor
18 values R1 and R2 of the feedback voltage divider in ohms.
21 412.5mV to 800mV in 12.5 mV steps. The output voltage thus ranges between
26 regulator can not be disabled and thus should have the regulator-always-on
37 regulator-min-microvolt = <674400>;
[all …]
Dltc3589.txt1 Linear Technology LTC3589, LTC3589-1, and LTC3589-2 8-output regulators
4 - compatible: "lltc,ltc3589", "lltc,ltc3589-1" or "lltc,ltc3589-2"
5 - reg: I2C slave address
8 - regulators: Contains eight regulator child nodes sw1, sw2, sw3, bb-out,
13 nodes for sw1, sw2, sw3, bb-out, ldo1, and ldo2 additionally need to specify
14 the resistor values of their external feedback voltage dividers:
17 - lltc,fb-voltage-divider: An array of two integers containing the resistor
18 values R1 and R2 of the feedback voltage divider in ohms.
21 0.3625 V to 0.75 V in 12.5 mV steps. The output voltage thus ranges between
22 0.3625 * (1 + R1/R2) V and 0.75 * (1 + R1/R2) V. Regulators bb-out and ldo1
[all …]
/linux-5.10/drivers/mmc/core/
Dhost.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (C) 2007-2008 Pierre Ossman
25 #include <linux/mmc/slot-gpio.h>
29 #include "slot-gpio.h"
40 wakeup_source_unregister(host->ws); in mmc_host_classdev_release()
41 ida_simple_remove(&mmc_host_ida, host->index); in mmc_host_classdev_release()
62 host->can_retune = 1; in mmc_retune_enable()
63 if (host->retune_period) in mmc_retune_enable()
64 mod_timer(&host->retune_timer, in mmc_retune_enable()
65 jiffies + host->retune_period * HZ); in mmc_retune_enable()
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/linux-5.10/drivers/gpu/drm/amd/display/dc/calcs/
Ddcn_calcs.c40 dc->ctx->logger
50 * This file is gcc-parseable HW gospel, coming straight from HW engineers.
54 * remain as-is as it provides us with a guarantee from HW that it is correct.
70 * slow-slow corner + 10% margin with voltages aligned to FCLK.
80 /* default DISP CLK voltage state on RV */
86 /* default DPP CLK voltage state on RV */
92 /* default PHY CLK voltage state on RV */
304 input->src.is_hsplit = false; in pipe_ctx_to_e2e_pipe_params()
307 if (pipe->plane_state->stereo_format == PLANE_STEREO_FORMAT_SIDE_BY_SIDE || in pipe_ctx_to_e2e_pipe_params()
308 pipe->plane_state->stereo_format == PLANE_STEREO_FORMAT_TOP_AND_BOTTOM) { in pipe_ctx_to_e2e_pipe_params()
[all …]
/linux-5.10/Documentation/devicetree/bindings/iio/adc/
Dbrcm,iproc-static-adc.txt4 Allows user to convert analog input voltage values to digital.
8 - compatible: Must be "brcm,iproc-static-adc"
10 - adc-syscon: Handler of syscon node defining physical base address of the
13 - #io-channel-cells = <1>; As ADC has multiple outputs
14 refer to Documentation/devicetree/bindings/iio/iio-bindings.txt for details.
16 - io-channel-ranges:
17 refer to Documentation/devicetree/bindings/iio/iio-bindings.txt for details.
19 - clocks: Clock used for this block.
21 - clock-names: Clock name should be given as tsc_clk.
23 - interrupts: interrupt line number.
[all …]
/linux-5.10/Documentation/devicetree/bindings/phy/
Dphy-mtk-xsphy.txt1 MediaTek XS-PHY binding
2 --------------------------
4 The XS-PHY controller supports physical layer functionality for USB3.1
8 - compatible : should be "mediatek,<soc-model>-xsphy", "mediatek,xsphy",
9 soc-model is the name of SoC, such as mt3611 etc;
12 - "mediatek,mt3611-xsphy"
14 - #address-cells, #size-cells : should use the same values as the root node
15 - ranges: must be present
18 - reg : offset and length of register shared by multiple U3 ports,
21 - mediatek,src-ref-clk-mhz : u32, frequency of reference clock for slew rate
[all …]
/linux-5.10/Documentation/devicetree/bindings/display/
Dste,mcde.txt1 ST-Ericsson Multi Channel Display Engine MCDE
3 The ST-Ericsson MCDE is a display controller with support for compositing
5 LCD displays or bridges. It is used in the ST-Ericsson U8500 platform.
9 - compatible: must be:
11 - reg: register base for the main MCDE control registers, should be
13 - interrupts: the interrupt line for the MCDE
14 - epod-supply: a phandle to the EPOD regulator
15 - vana-supply: a phandle to the analog voltage regulator
16 - clocks: an array of the MCDE clocks in this strict order:
21 - clock-names: must be the following array:
[all …]
/linux-5.10/drivers/iio/adc/
Dltc2471.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for Linear Technology LTC2471 and LTC2473 voltage monitors
26 /* Reference voltage is 1.25V */
39 return -EIO; in ltc2471_get_value()
54 ret = ltc2471_get_value(data->client); in ltc2471_read_raw()
61 if (chan->differential) in ltc2471_read_raw()
62 /* Output ranges from -VREF to +VREF */ in ltc2471_read_raw()
65 /* Output ranges from 0 to VREF */ in ltc2471_read_raw()
72 *val = -LTC2471_VREF; in ltc2471_read_raw()
76 return -EINVAL; in ltc2471_read_raw()
[all …]

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