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/linux/Documentation/devicetree/bindings/leds/backlight/
H A 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#
10 - ChiaEn Wu <chiaen_wu@richtek.com>
21 - $ref: common.yaml#
26 - mediatek,mt6370-backlight
27 - mediatek,mt6372-backlight
29 default-brightness:
32 max-brightness:
[all …]
H A Dqcom-wled.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/qcom-wled.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <andersson@kernel.org>
11 - Kiran Gunda <quic_kgunda@quicinc.com>
21 - qcom,pm8941-wled
22 - qcom,pmi8950-wled
23 - qcom,pmi8994-wled
24 - qcom,pmi8998-wled
[all …]
H A Drichtek,rt4831-backlight.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/richtek,rt4831-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
20 https://www.richtek.com/assets/product_file/RT4831A/DS4831A-05.pdf
23 - $ref: common.yaml#
27 const: richtek,rt4831-backlight
29 default-brightness:
33 max-brightness:
[all …]
/linux/drivers/video/backlight/
H A Dqcom-wled.c1 // SPDX-License-Identifier: GPL-2.0-only
61 /* WLED3 specific per-'string' registers below */
93 /* WLED4 specific per-'string' registers below */
140 /* WLED5 specific per-'string' registers below */
167 u32 ovp; member
210 int (*wled_cabc_config)(struct wled *wled, bool enable);
219 * Time to wait before checking the OVP status after wled module enable.
238 for (i = 0; i < wled->cfg.num_strings; ++i) { in wled3_set_brightness()
239 rc = regmap_bulk_write(wled->regmap, wled->ctrl_addr + in wled3_set_brightness()
240 WLED3_SINK_REG_BRIGHT(wled->cfg.enabled_strings[i]), in wled3_set_brightness()
[all …]
H A Dmp3309c.c1 // SPDX-License-Identifier: GPL-2.0-or-later
92 /* I2C register #0 - Device enable */ in mp3309c_enable_device()
93 ret = regmap_update_bits(chip->regmap, REG_I2C_0, REG_I2C_0_EN, in mp3309c_enable_device()
99 * I2C register #1 - Set working mode: in mp3309c_enable_device()
100 * - enable/disable synchronous mode in mp3309c_enable_device()
101 * - set overvoltage protection (OVP) in mp3309c_enable_device()
104 if (chip->pdata->sync_mode) in mp3309c_enable_device()
106 reg_val |= chip->pdata->over_voltage_protection; in mp3309c_enable_device()
107 ret = regmap_write(chip->regmap, REG_I2C_1, reg_val); in mp3309c_enable_device()
122 if (chip->pdata->dimming_mode == DIMMING_PWM) { in mp3309c_bl_update_status()
[all …]
H A Drt4831-backlight.c1 // SPDX-License-Identifier: GPL-2.0-only
3 #include <dt-bindings/leds/rt4831-backlight.h>
43 unsigned int enable = brightness ? RT4831_BLEN_MASK : 0; in rt4831_bl_update_status() local
48 v[0] = (brightness - 1) & RT4831_BLDIML_MASK; in rt4831_bl_update_status()
49 v[1] = ((brightness - 1) & RT4831_BLDIMH_MASK) >> RT4831_BLDIMH_SHIFT; in rt4831_bl_update_status()
51 ret = regmap_raw_write(priv->regmap, RT4831_REG_BLDIML, v, sizeof(v)); in rt4831_bl_update_status()
56 return regmap_update_bits(priv->regmap, RT4831_REG_ENABLE, RT4831_BLEN_MASK, enable); in rt4831_bl_update_status()
67 ret = regmap_read(priv->regmap, RT4831_REG_ENABLE, &val); in rt4831_bl_get_brightness()
74 ret = regmap_raw_read(priv->regmap, RT4831_REG_BLDIML, v, sizeof(v)); in rt4831_bl_get_brightness()
92 struct device *dev = priv->dev; in rt4831_parse_backlight_properties()
[all …]
H A Dmt6370-backlight.c1 // SPDX-License-Identifier: GPL-2.0-only
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()
101 unsigned int enable; in mt6370_bl_get_brightness() local
105 ret = regmap_read(priv->regmap, MT6370_REG_BL_EN, &enable); in mt6370_bl_get_brightness()
109 if (!(enable & MT6370_BL_EN_MASK)) in mt6370_bl_get_brightness()
112 ret = regmap_raw_read(priv->regmap, MT6370_REG_BL_DIM2, in mt6370_bl_get_brightness()
[all …]
/linux/drivers/leds/
H A Dleds-lm3692x.c1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright (C) 2017-18 Texas Instruments Incorporated - https://www.ti.com/
103 * @enable_gpio: VDDIO/EN gpio to enable communication interface
150 ret = regmap_read(led->regmap, LM3692X_FAULT_FLAGS, &read_buf); in lm3692x_fault_check()
155 dev_err(&led->client->dev, "Detected a fault 0x%X\n", read_buf); in lm3692x_fault_check()
160 regmap_read(led->regmap, LM3692X_FAULT_FLAGS, &read_buf); in lm3692x_fault_check()
162 dev_err(&led->client->dev, "Second read of fault flags 0x%X\n", in lm3692x_fault_check()
173 if (led->enabled) in lm3692x_leds_enable()
176 if (led->regulator) { in lm3692x_leds_enable()
177 ret = regulator_enable(led->regulator); in lm3692x_leds_enable()
[all …]
/linux/Documentation/devicetree/bindings/leds/
H A Dti.lm36922.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments - LM3692x Highly Efficient White LED Driver
10 - Dan Murphy <dmurphy@ti.com>
13 The LM3692x is an ultra-compact, highly efficient,
14 white-LED driver designed for LCD display backlighting.
26 - ti,lm36922
27 - ti,lm36923
32 "#address-cells":
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/linux/Documentation/devicetree/bindings/power/supply/
H A Dbq25980.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Andrew Davis <afd@ti.com>
15 for use in high-power density portable electronics. These inductorless
20 - $ref: power-supply.yaml#
25 - ti,bq25980
26 - ti,bq25975
27 - ti,bq25960
32 ti,watchdog-timeout-ms:
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/linux/drivers/regulator/
H A Dvctrl-regulator.c1 // SPDX-License-Identifier: GPL-2.0-only
50 struct vctrl_voltage_range *ctrl = &vctrl->vrange.ctrl; in vctrl_calc_ctrl_voltage()
51 struct vctrl_voltage_range *out = &vctrl->vrange.out; in vctrl_calc_ctrl_voltage()
53 return ctrl->min_uV + in vctrl_calc_ctrl_voltage()
54 DIV_ROUND_CLOSEST_ULL((s64)(out_uV - out->min_uV) * in vctrl_calc_ctrl_voltage()
55 (ctrl->max_uV - ctrl->min_uV), in vctrl_calc_ctrl_voltage()
56 out->max_uV - out->min_uV); in vctrl_calc_ctrl_voltage()
61 struct vctrl_voltage_range *ctrl = &vctrl->vrange.ctrl; in vctrl_calc_output_voltage()
62 struct vctrl_voltage_range *out = &vctrl->vrange.out; in vctrl_calc_output_voltage()
69 if (ctrl_uV < ctrl->min_uV) in vctrl_calc_output_voltage()
[all …]
H A Dmpq7920.c1 // SPDX-License-Identifier: GPL-2.0+
3 // mpq7920.c - regulator driver for mps mpq7920
22 ((MPQ7920_VOLT_MAX - MPQ7920_BUCK_VOLT_MIN)/MPQ7920_VOLT_STEP + 1)
24 ((MPQ7920_VOLT_MAX - MPQ7920_LDO_VOLT_MIN)/MPQ7920_VOLT_STEP + 1)
42 .enable_mask = BIT(MPQ7920_REGULATOR_EN_OFFSET - \
71 .enable_mask = BIT(MPQ7920_REGULATOR_EN_OFFSET - \
135 .enable = regulator_enable_regmap,
146 .enable = regulator_enable_regmap,
159 .enable = regulator_enable_regmap,
189 * 00-01: Reserved
[all …]
H A Dlp8755.c1 // SPDX-License-Identifier: GPL-2.0-only
57 ret = regmap_read(rdev->regmap, 0x12 + id, &regval); in lp8755_buck_enable_time()
59 dev_err(&rdev->dev, "i2c access error %s\n", __func__); in lp8755_buck_enable_time()
78 /* enable automatic pwm/pfm mode */ in lp8755_buck_set_mode()
79 ret = regmap_update_bits(rdev->regmap, 0x08 + id, 0x20, 0x00); in lp8755_buck_set_mode()
84 /* enable automatic pwm/pfm/lppfm mode */ in lp8755_buck_set_mode()
85 ret = regmap_update_bits(rdev->regmap, 0x08 + id, 0x20, 0x20); in lp8755_buck_set_mode()
89 ret = regmap_update_bits(rdev->regmap, 0x10, 0x01, 0x01); in lp8755_buck_set_mode()
94 dev_err(pchip->dev, "Not supported buck mode %s\n", __func__); in lp8755_buck_set_mode()
99 ret = regmap_update_bits(rdev->regmap, 0x06, 0x01 << id, regbval); in lp8755_buck_set_mode()
[all …]
/linux/drivers/usb/typec/tcpm/
H A Dmaxim_contaminant.c1 // SPDX-License-Identifier: GPL-2.0+
5 * USB-C module to reduce wakeups due to contaminants.
66 dev_err_once(chip->dev, "ADC ERROR: SCALE UNKNOWN"); in max_contaminant_adc_to_mv()
68 return -EINVAL; in max_contaminant_adc_to_mv()
74 struct regmap *regmap = chip->data.regmap; in max_contaminant_read_adc_mv()
84 /* Enable ADC */ in max_contaminant_read_adc_mv()
113 struct regmap *regmap = chip->data.regmap; in max_contaminant_read_resistance_kohm()
119 /* Enable 1uA current source */ in max_contaminant_read_resistance_kohm()
125 /* Enable 1uA current source */ in max_contaminant_read_resistance_kohm()
131 /* OVP disable */ in max_contaminant_read_resistance_kohm()
[all …]
/linux/drivers/usb/typec/mux/
H A Dit5205.c1 // SPDX-License-Identifier: GPL-2.0
3 * ITE IT5205 Type-C USB alternate mode passive mux
25 #define IT5205FN_CHIP_ID 0x35303235 /* "5025" -> "5205" */
75 regmap_update_bits(it->regmap, IT5205_REG_MUXCR, in it5205_switch_set()
79 regmap_update_bits(it->regmap, IT5205_REG_MUXCR, in it5205_switch_set()
85 regmap_write(it->regmap, IT5205_REG_MUXCR, 0); in it5205_switch_set()
97 if (state->mode >= TYPEC_STATE_MODAL && in it5205_mux_set()
98 state->alt->svid != USB_TYPEC_DP_SID) in it5205_mux_set()
99 return -EINVAL; in it5205_mux_set()
101 switch (state->mode) { in it5205_mux_set()
[all …]
H A Dwcd939x-usbss.c1 // SPDX-License-Identifier: GPL-2.0-only
72 #define WCD_USBSS_SWITCH_SELECT0_DP_AUXP_SWITCHES BIT(7) /* 1-> MG2 */
73 #define WCD_USBSS_SWITCH_SELECT0_DP_AUXM_SWITCHES BIT(6) /* 1-> MG2 */
76 #define WCD_USBSS_SWITCH_SELECT0_SENSE_SWITCHES BIT(1) /* 1-> SBU2 */
77 #define WCD_USBSS_SWITCH_SELECT0_MIC_SWITCHES BIT(0) /* 1-> MG2 */
89 #define WCD_USBSS_SWITCH_SELECT1_AGND_SWITCHES BIT(0) /* 1-> MG2 */
242 bool reverse = (usbss->orientation == TYPEC_ORIENTATION_REVERSE); in wcd939x_usbss_set()
249 if (usbss->mode < TYPEC_STATE_MODAL || in wcd939x_usbss_set()
250 (!usbss->svid && (usbss->mode == TYPEC_MODE_USB2 || in wcd939x_usbss_set()
251 usbss->mode == TYPEC_MODE_USB3))) { in wcd939x_usbss_set()
[all …]
/linux/Documentation/devicetree/bindings/usb/
H A Dite,it5205.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ITE IT5202 Type-C USB Alternate Mode Passive MUX
10 - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
11 - Tianping Fang <tianping.fang@mediatek.com>
20 vcc-supply:
23 mode-switch:
27 orientation-switch:
31 ite,ovp-enable:
[all …]
/linux/drivers/power/supply/
H A Dbq25980_charger.c1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
24 bool ovp; member
280 ret = regmap_read(bq->regmap, BQ25980_BUSOCP, &busocp_reg_code); in bq25980_get_input_curr_lim()
289 return regmap_update_bits(bq->regmap, BQ25980_CHRGR_CTRL_2, in bq25980_set_hiz()
306 if (bq->state.bypass) in bq25980_set_input_curr_lim()
307 busocp = min(busocp, bq->chip_info->busocp_sc_max); in bq25980_set_input_curr_lim()
309 busocp = min(busocp, bq->chip_info->busocp_byp_max); in bq25980_set_input_curr_lim()
311 busocp_reg_code = (busocp - BQ25980_BUSOCP_OFFSET_uA) in bq25980_set_input_curr_lim()
314 ret = regmap_write(bq->regmap, BQ25980_BUSOCP, busocp_reg_code); in bq25980_set_input_curr_lim()
[all …]
H A Dmax14577_charger.c1 // SPDX-License-Identifier: GPL-2.0+
3 // max14577_charger.c - Battery charger driver for the Maxim 14577/77836
11 #include <linux/mfd/max14577-private.h>
49 struct regmap *rmap = chg->max14577->regmap; in max14577_get_charger_state()
55 * - CHGCTRL2/MBCHOSTEN == 1 in max14577_get_charger_state()
56 * - STATUS2/CGMBC == 1 in max14577_get_charger_state()
59 * - handle FULL after Top-off timer (EOC register may be off in max14577_get_charger_state()
61 * - handle properly dead-battery charging (respect timer) in max14577_get_charger_state()
62 * - handle timers (fast-charge and prequal) /MBCCHGERR/ in max14577_get_charger_state()
78 /* Charger or USB-cable is connected */ in max14577_get_charger_state()
[all …]
H A Dmp2629_charger.c1 // SPDX-License-Identifier: GPL-2.0-or-later
140 "mp2629-batt-volt",
141 "mp2629-system-volt",
142 "mp2629-input-volt",
143 "mp2629-batt-current",
144 "mp2629-input-current",
154 ret = iio_read_channel_processed(charger->iiochan[ch], &chval); in mp2629_read_adc()
158 val->intval = chval * 1000; in mp2629_read_adc()
170 ret = regmap_field_read(charger->regmap_fields[fld], &rval); in mp2629_get_prop()
174 val->intval = rval * props[fld].step + props[fld].min; in mp2629_get_prop()
[all …]
H A Dmax8925_power.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2009-2010 Marvell International Ltd.
85 static int __set_charger(struct max8925_power_info *info, int enable) in __set_charger() argument
87 struct max8925_chip *chip = info->chip; in __set_charger()
88 if (enable) { in __set_charger()
89 /* enable charger in platform */ in __set_charger()
90 if (info->set_charger) in __set_charger()
91 info->set_charger(1); in __set_charger()
92 /* enable charger */ in __set_charger()
93 max8925_set_bits(info->gpm, MAX8925_CHG_CNTL1, 1 << 7, 0); in __set_charger()
[all …]
/linux/drivers/extcon/
H A Dextcon-rt8973a.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * extcon-rt8973a.c - Richtek RT8973A extcon driver to support USB switches
19 #include <linux/extcon-provider.h>
21 #include "extcon-rt8973a.h"
98 /* Define OVP (Over Voltage Protection), OTP (Over Temperature Protection) */
145 /* |---------|--ADC| */
152 { RT8973A_INT1_ATTACH, "muic-attach" },
153 { RT8973A_INT1_DETACH, "muic-detach" },
154 { RT8973A_INT1_CHGDET, "muic-chgdet" },
155 { RT8973A_INT1_DCD_T, "muic-dcd-t" },
[all …]
H A Dextcon-lc824206xa.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * (ENA2222-D.PDF), but no full datasheet. So there is no documentation
11 * This driver is based on the register info from the extcon-fsa9285.c driver,
22 #include <linux/extcon-provider.h>
57 /* 5 bits? ADC 0x10 GND, 0x1a-0x1f ACA, 0x1f float */
82 * auto-reset to 0, so these must be set to 0 manually after clearing.
139 ret = i2c_smbus_read_byte_data(data->client, reg); in lc824206xa_read_reg()
141 dev_err(&data->client->dev, "Error %d reading reg 0x%02x\n", ret, reg); in lc824206xa_read_reg()
150 ret = i2c_smbus_write_byte_data(data->client, reg, val); in lc824206xa_write_reg()
152 dev_err(&data->client->dev, "Error %d writing reg 0x%02x\n", ret, reg); in lc824206xa_write_reg()
[all …]
/linux/arch/arm64/boot/dts/rockchip/
H A Drk3399-gru.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 * Copyright 2016-2017 Google, Inc
8 #include <dt-bindings/input/input.h>
9 #include "rk3399-op1.dtsi"
18 stdout-path = "serial2:115200n8";
27 * - Rails that only connect to the EC (or devices that the EC talks to)
29 * - Rails _are_ included if the rails go to the AP even if the AP
38 * - The EC controls the enable and the EC always enables a rail as
40 * - The rails are actually connected to each other by a jumper and
45 ppvar_sys: regulator-ppvar-sys {
[all …]
/linux/arch/arm/boot/dts/qcom/
H A Dqcom-apq8074-dragonboard.dts1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/gpio/gpio.h>
3 #include <dt-bindings/input/input.h>
4 #include <dt-bindings/leds/common.h>
5 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
6 #include "qcom-msm8974.dtsi"
10 /delete-node/ &mpss_region;
14 compatible = "qcom,apq8074-dragonboard", "qcom,apq8074";
23 stdout-path = "serial0:115200n8";
26 gpio-keys {
[all …]

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