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/linux/drivers/regulator/
H A Dhelpers.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 // helpers.c -- Voltage/Current Regulator framework helper functions.
20 * regulator_is_enabled_regmap - standard is_enabled() for regmap users
33 ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); in regulator_is_enabled_regmap()
37 val &= rdev->desc->enable_mask; in regulator_is_enabled_regmap()
39 if (rdev->desc->enable_is_inverted) { in regulator_is_enabled_regmap()
40 if (rdev->desc->enable_val) in regulator_is_enabled_regmap()
41 return val != rdev->desc->enable_val; in regulator_is_enabled_regmap()
44 if (rdev->desc->enable_val) in regulator_is_enabled_regmap()
45 return val == rdev->desc->enable_val; in regulator_is_enabled_regmap()
[all …]
H A 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 …]
H A Dbd718x7-regulator.c1 // SPDX-License-Identifier: GPL-2.0
3 // bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver
10 #include <linux/mfd/rohm-bd718x7.h>
51 * controlled by software - or by PMIC internal HW state machine. Whether
52 * regulator should be under SW or HW control can be defined from device-tree.
103 * Note for next hacker - these PMICs have a register where the HW state can be
104 * read. If assuming RUN appears to be false in your use-case - you can
123 ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); in bd71837_get_buck34_enable_hwctrl()
138 * guarantee minimum of 1ms sleep - it shouldn't matter if we in voltage_change_done()
143 ret = regmap_clear_bits(rdev->regmap, BD718XX_REG_MVRFLTMASK2, in voltage_change_done()
[all …]
/linux/drivers/power/supply/
H A 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/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/
H A Drn_clk_mgr.c61 for (i = 0; i < context->stream_count; i++) { in rn_get_active_display_cnt_wa()
62 const struct dc_stream_state *stream = context->streams[i]; in rn_get_active_display_cnt_wa()
64 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A || in rn_get_active_display_cnt_wa()
65 stream->signal == SIGNAL_TYPE_DVI_SINGLE_LINK || in rn_get_active_display_cnt_wa()
66 stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) in rn_get_active_display_cnt_wa()
70 for (i = 0; i < dc->link_count; i++) { in rn_get_active_display_cnt_wa()
71 const struct dc_link *link = dc->links[i]; in rn_get_active_display_cnt_wa()
74 if (link->link_enc->funcs->is_dig_enabled && in rn_get_active_display_cnt_wa()
75 link->link_enc->funcs->is_dig_enabled(link->link_enc)) in rn_get_active_display_cnt_wa()
90 struct dc *dc = clk_mgr_base->ctx->dc; in rn_set_low_power_state()
[all …]
/linux/Documentation/devicetree/bindings/iio/adc/
H A Dxlnx,zynqmp-ams.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/xlnx,zynqmp-ams.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Anand Ashok Dumbre <anand.ashok.dumbre@xilinx.com>
13 The AMS (Analog Monitoring System) includes an ADC as well as on-chip sensors
14 that can be used to sample external voltages and monitor on-die operating
15 conditions, such as temperature and supply voltage levels.
27 …--------------------------------------------------------------------------------------------------…
28 AMS CTRL |0 |System PLLs voltage measurement, VCC_PSPLL. |Voltage
[all …]
/linux/Documentation/devicetree/bindings/mmc/
H A Dmmc-spi-slot.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mmc/mmc-spi-slot.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
13 - $ref: mmc-controller.yaml
14 - $ref: /schemas/spi/spi-peripheral-props.yaml
21 const: mmc-spi-slot
29 voltage-ranges:
30 $ref: /schemas/types.yaml#/definitions/uint32-matrix
[all …]
H A Dfsl,esdhc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 - Frank Li <Frank.Li@nxp.com>
19 - enum:
20 - fsl,mpc8536-esdhc
21 - fsl,mpc8378-esdhc
22 - fsl,p2020-esdhc
23 - fsl,p4080-esdhc
24 - fsl,t1040-esdhc
[all …]
/linux/Documentation/devicetree/bindings/iio/dac/
H A Dadi,ltc2672.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <michael.hennerich@analog.com>
11 - Kim Seer Paller <kimseer.paller@analog.com>
14 Analog Devices LTC2672 5 channel, 12-/16-Bit, 300mA DAC
15 https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2672.pdf
20 - adi,ltc2672
25 spi-max-frequency:
28 vcc-supply:
[all …]
/linux/Documentation/hwmon/
H A 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
[all …]
/linux/include/linux/
H A 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).
42 int ranges);
47 int linear_range_get_value_array(const struct linear_range *r, int ranges,
58 int ranges, unsigned int val,
/linux/arch/arm/boot/dts/nxp/mxs/
H A 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";
[all …]
H A 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";
[all …]
/linux/Documentation/devicetree/bindings/mfd/
H A Drichtek,rt5033.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jakob Hauser <jahau@rocketmail.com>
30 The regulators of RT5033 have to be instantiated under a sub-node named
31 "regulators". For SAFE_LDO voltage there is only one value of 4.9 V. LDO
32 voltage ranges from 1.2 V to 3.0 V in 0.1 V steps. BUCK voltage ranges
44 $ref: /schemas/power/supply/richtek,rt5033-charger.yaml#
47 - compatible
48 - reg
[all …]
/linux/arch/arm/boot/dts/qcom/
H A Dpm8058.dtsi1 // SPDX-License-Identifier: GPL-2.0
6 #interrupt-cells = <2>;
7 interrupt-controller;
8 #address-cells = <1>;
9 #size-cells = <0>;
12 compatible = "qcom,pm8058-pwrkey";
14 interrupts-extended = <&pm8058 50 IRQ_TYPE_EDGE_RISING>,
17 pull-up;
21 compatible = "qcom,pm8058-keypad-led";
27 compatible = "qcom,pm8058-vib";
[all …]
H A Dpm8921.dtsi1 // SPDX-License-Identifier: GPL-2.0
6 #interrupt-cells = <2>;
7 interrupt-controller;
8 #address-cells = <1>;
9 #size-cells = <0>;
12 compatible = "qcom,pm8921-pwrkey";
14 interrupts-extended = <&pm8921 50 IRQ_TYPE_EDGE_RISING>,
17 pull-up;
21 compatible = "qcom,pm8921-mpp",
22 "qcom,ssbi-mpp";
[all …]
/linux/Documentation/devicetree/bindings/pci/
H A 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/Documentation/devicetree/bindings/power/supply/
H A Drichtek,rt5033-charger.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/richtek,rt5033-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jakob Hauser <jahau@rocketmail.com>
14 under sub-node named "charger" using the following format.
18 const: richtek,rt5033-charger
20 monitored-battery:
26 precharge-current-microamp:
27 Current of pre-charge mode. The pre-charge current levels are 350 mA
[all …]
/linux/Documentation/devicetree/bindings/regulator/
H A 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/drivers/gpu/drm/amd/display/dc/dml/calcs/
H A 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 */
305 input->src.is_hsplit = false; in pipe_ctx_to_e2e_pipe_params()
308 if (pipe->plane_state->stereo_format == PLANE_STEREO_FORMAT_SIDE_BY_SIDE || in pipe_ctx_to_e2e_pipe_params()
309 pipe->plane_state->stereo_format == PLANE_STEREO_FORMAT_TOP_AND_BOTTOM) { in pipe_ctx_to_e2e_pipe_params()
[all …]
/linux/Documentation/devicetree/bindings/phy/
H A Dmediatek,xsphy.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: MediaTek XS-PHY Controller
11 - Chunfeng Yun <chunfeng.yun@mediatek.com>
14 The XS-PHY controller supports physical layer functionality for USB3.1
18 ----------------------------------
45 pattern: "^xs-phy@[0-9a-f]+$"
49 - enum:
50 - mediatek,mt3611-xsphy
[all …]
/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6q-tbs2910.dts1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
5 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
13 compatible = "tbs,imx6q-tbs2910", "fsl,imx6q";
16 stdout-path = &uart1;
23 /delete-property/ mmc3;
32 compatible = "gpio-fan";
33 pinctrl-names = "default";
34 pinctrl-0 = <&pinctrl_gpio_fan>;
[all …]
/linux/Documentation/devicetree/bindings/display/
H A Dste,mcde.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ST-Ericsson Multi Channel Display Engine MCDE
10 - Linus Walleij <linus.walleij@linaro.org>
25 - description: MCDECLK (main MCDE clock)
26 - description: LCDCLK (LCD clock)
27 - description: PLLDSI (HDMI clock)
29 clock-names:
31 - const: mcde
[all …]
/linux/drivers/iio/adc/
H A 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 …]
/linux/drivers/gpu/drm/amd/display/dc/
H A Ddm_pp_smu.h114 struct pp_smu_wm_range_sets *ranges);
154 // voltage managed SMU, freq set by driver
161 // freq/voltage managed by SMU
219 struct pp_smu_wm_range_sets *ranges);
236 * Note that when setting handshake to unsupported, the call is pre-emptive. That means
238 * request to go un-acked. Only when the call completes should such a state be applied to
283 struct pp_smu_wm_range_sets *ranges);
302 struct pp_smu_wm_range_sets *ranges);

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