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/linux/Documentation/devicetree/bindings/hwmon/
H A Dadi,ltc2947.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nuno Sá <nuno.sa@analog.com>
15 https://www.analog.com/media/en/technical-documentation/data-sheets/LTC2947.pdf
20 - adi,ltc2947
33 adi,accumulator-ctl-pol:
41 $ref: /schemas/types.yaml#/definitions/uint32-array
48 adi,accumulation-deadband-microamp:
55 adi,gpio-out-pol:
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/linux/drivers/gpio/
H A Dgpio-grgpio.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * This driver supports the GRGPIO GPIO core available in the GRLIB VHDL
13 * See "Documentation/devicetree/bindings/gpio/gpio-grgpio.txt" for
21 #include <linux/gpio/driver.h>
46 /* Structure for an irq of the core - called an underlying irq */
49 u8 uirq; /* Underlying irq of the gpio driver */
53 * Structure for an irq of a gpio line handed out by this driver. The index is
57 s8 index; /* Index into struct grgpio_priv's uirqs, or -1 */
58 u8 irq; /* irq for the gpio line */
69 * The grgpio core can have multiple "underlying" irqs. The gpio lines
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/linux/drivers/input/touchscreen/
H A Dwm97xx-core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm97xx-core.c -- Touch screen driver core for Wolfson WM9705, WM9712
15 * - supports WM9705, WM9712, WM9713
16 * - polling mode
17 * - continuous mode (arch-dependent)
18 * - adjustable rpu/dpp settings
19 * - adjustable pressure current
20 * - adjustable sample settle delay
21 * - 4 and 5 wire touchscreens (5 wire is WM9712 only)
22 * - pen down detection
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/linux/Documentation/devicetree/bindings/mfd/
H A Dwlf,arizona.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - patches@opensource.cirrus.com
17 - $ref: /schemas/spi/spi-peripheral-props.yaml
18 - $ref: /schemas/sound/wlf,arizona.yaml#
19 - $ref: /schemas/regulator/wlf,arizona.yaml#
20 - $ref: /schemas/extcon/wlf,arizona.yaml#
21 - if:
26 - cirrus,cs47l24
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/linux/drivers/hwmon/
H A Dltc2947-core.c1 // SPDX-License-Identifier: GPL-2.0
12 #include <linux/hwmon-sysfs.h>
66 #define VOLTAGE_MIN -300
77 #define CURRENT_MIN -30000
86 #define POWER_MIN -450000000
98 #define TEMP_MIN -40000
108 #define LTC2947_ALERTS_SIZE (LTC2947_REG_STATVDVCC - LTC2947_REG_STATUS)
126 * complete sequence select_page->read/write needs to be protected.
139 ret = regmap_bulk_read(st->map, reg, &__val, 2); in __ltc2947_val_read16()
154 ret = regmap_bulk_read(st->map, reg, &__val, 3); in __ltc2947_val_read24()
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/linux/drivers/pinctrl/qcom/
H A Dpinctrl-msm.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/gpio/driver.h>
25 #include <linux/pinctrl/pinconf-generic.h>
33 #include "../pinctrl-utils.h"
35 #include "pinctrl-msm.h"
42 * struct msm_pinctrl - state for a pinctrl-msm device
88 return readl(pctrl->regs[g->tile] + g->name##_reg); \
93 writel(val, pctrl->regs[g->tile] + g->name##_reg); \
105 u32 val = g->intr_ack_high ? BIT(g->intr_status_bit) : 0; in MSM_ACCESSOR()
114 return pctrl->soc->ngroups; in msm_get_groups_count()
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/linux/drivers/mfd/
H A Darizona-spi.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * arizona-spi.c -- Arizona SPI bus interface
12 #include <linux/gpio/consumer.h>
13 #include <linux/gpio/machine.h>
21 #include <uapi/linux/input-event-codes.h>
32 { "reset-gpios", &reset_gpios, 1, },
33 { "wlf,ldoena-gpios", &ldoena_gpios, 1 },
38 * The ACPI resources for the device only describe external GPIO-s. They do
39 * not provide mappings for the GPIO-s coming from the Arizona codec itself.
42 { "arizona", 2, "wlf,spkvdd-ena", 0, GPIO_ACTIVE_HIGH },
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/linux/arch/arm/mach-s3c/
H A Dmach-crag6410-module.c1 // SPDX-License-Identifier: GPL-2.0
3 // Speyside modules for Cragganmore - board data probing
12 #include <linux/gpio/machine.h>
15 #include <linux/mfd/wm831x/gpio.h>
28 #include <linux/platform_data/spi-s3c64xx.h>
74 .dev_id = "1-001a", /* Device 001a on I2C bus 1 */
79 "hp-pol", GPIO_ACTIVE_HIGH),
131 .dev_id = "1-001a", /* Device 001a on I2C bus 1 */
212 0x3, /* IRQ out, active high, CMOS */
229 .dev_id = "i2c-wm8958", /* I2C device name */
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/linux/drivers/gpu/drm/bridge/analogix/
H A Danalogix_dp_core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
12 #include <linux/gpio/consumer.h>
72 * "force-hpd" would indicate whether driver need this. in analogix_dp_detect_hpd()
74 if (!dp->force_hpd) in analogix_dp_detect_hpd()
75 return -ETIMEDOUT; in analogix_dp_detect_hpd()
82 dev_dbg(dp->dev, "failed to get hpd plug status, try to force hpd\n"); in analogix_dp_detect_hpd()
87 dev_err(dp->dev, "failed to get hpd plug in status\n"); in analogix_dp_detect_hpd()
88 return -EINVAL; in analogix_dp_detect_hpd()
91 dev_dbg(dp->dev, "success to get plug in status after force hpd\n"); in analogix_dp_detect_hpd()
101 ret = drm_dp_dpcd_readb(&dp->aux, DP_PSR_SUPPORT, &psr_version); in analogix_dp_detect_sink_psr()
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/linux/sound/soc/codecs/
H A Darizona-jack.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * extcon-arizona.c - Extcon driver Wolfson Arizona devices
5 * Copyright (C) 2012-2014 Wolfson Microelectronics plc
13 #include <linux/gpio/consumer.h>
14 #include <linux/gpio.h>
26 #include <dt-bindings/mfd/arizona.h>
33 * The hardware supports 8 ranges / buttons, but the snd-jack interface
34 * only supports 6 buttons (button 0-5).
100 struct arizona *arizona = info->arizona; in arizona_extcon_hp_clamp()
105 switch (arizona->type) { in arizona_extcon_hp_clamp()
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H A Dwm8903.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm8903.c -- WM8903 ALSA SoC Audio driver
5 * Copyright 2008-12 Wolfson Microelectronics
6 * Copyright 2011-2012 NVIDIA, Inc.
11 * - TDM mode configuration.
19 #include <linux/gpio/driver.h>
41 { 4, 0x0018 }, /* R4 - Bias Control 0 */
42 { 5, 0x0000 }, /* R5 - VMID Control 0 */
43 { 6, 0x0000 }, /* R6 - Mic Bias Control 0 */
44 { 8, 0x0001 }, /* R8 - Analogue DAC 0 */
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H A Des8326.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // es8326.c -- es8326 ALSA SoC audio driver
6 // Authors: David Yang <yangxiaohua@everest-semi.com>
17 #include <sound/soc-dapm.h>
56 regmap_read(es8326->regmap, ES8326_DAC_RAMPRATE, &crosstalk_h); in es8326_crosstalk1_get()
57 regmap_read(es8326->regmap, ES8326_DAC_CROSSTALK, &crosstalk_l); in es8326_crosstalk1_get()
61 ucontrol->value.integer.value[0] = crosstalk; in es8326_crosstalk1_get()
74 crosstalk = ucontrol->value.integer.value[0]; in es8326_crosstalk1_set()
75 regmap_read(es8326->regmap, ES8326_DAC_CROSSTALK, &crosstalk_l); in es8326_crosstalk1_set()
79 regmap_update_bits(es8326->regmap, ES8326_DAC_RAMPRATE, in es8326_crosstalk1_set()
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H A Dcs35l45.c1 // SPDX-License-Identifier: GPL-2.0
3 // cs35l45.c - CS35L45 ALSA SoC audio driver
5 // Copyright 2019-2022 Cirrus Logic, Inc.
9 #include <linux/gpio/consumer.h>
53 if (!cs35l45->dsp.cs_dsp.running) { in cs35l45_set_cspl_mbox_cmd()
54 dev_err(cs35l45->dev, "DSP not running\n"); in cs35l45_set_cspl_mbox_cmd()
55 return -EPERM; in cs35l45_set_cspl_mbox_cmd()
62 dev_err(cs35l45->dev, "Failed to write MBOX: %d\n", ret); in cs35l45_set_cspl_mbox_cmd()
72 dev_err(cs35l45->dev, "Failed to read MBOX STS: %d\n", ret); in cs35l45_set_cspl_mbox_cmd()
77 dev_dbg(cs35l45->dev, "[%u] cmd %u returned invalid sts %u", i, cmd, sts); in cs35l45_set_cspl_mbox_cmd()
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H A Dcs35l36.c1 // SPDX-License-Identifier: GPL-2.0
3 // cs35l36.c -- CS35L36 ALSA SoC audio driver
19 #include <linux/gpio/consumer.h>
27 #include <sound/soc-dapm.h>
446 TLV_DB_MINMAX_ITEM(-10200, 1200));
463 ucontrol->value.integer.value[0] = cs35l36->ldm_mode_sel; in cs35l36_ldm_sel_get()
475 int val = (ucontrol->value.integer.value[0]) ? CS35L36_NG_AMP_EN_MASK : in cs35l36_ldm_sel_put()
478 cs35l36->ldm_mode_sel = val; in cs35l36_ldm_sel_put()
480 regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG, in cs35l36_ldm_sel_put()
492 SOC_SINGLE("Amp Gain Zero-Cross Switch", CS35L36_AMP_GAIN_CTRL,
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H A Dwm5100.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm5100.c -- WM5100 ALSA SoC Audio driver
5 * Copyright 2011-2 Wolfson Microelectronics plc
17 #include <linux/gpio/driver.h>
18 #include <linux/gpio/consumer.h>
130 dev_err(component->dev, "Unsupported sample rate: %dHz\n", rate); in wm5100_alloc_sr()
131 return -EINVAL; in wm5100_alloc_sr()
135 if ((wm5100->sysclk % rate) == 0) { in wm5100_alloc_sr()
137 sr_free = -1; in wm5100_alloc_sr()
139 if (!wm5100->sr_ref[i] && sr_free == -1) { in wm5100_alloc_sr()
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H A Dwm8962.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm8962.c -- WM8962 ALSA SoC Audio driver
5 * Copyright 2010-2 Wolfson Microelectronics plc
17 #include <linux/gpio/driver.h>
98 regcache_mark_dirty(wm8962->regmap); \
113 { 0, 0x009F }, /* R0 - Left Input volume */
114 { 1, 0x049F }, /* R1 - Right Input volume */
115 { 2, 0x0000 }, /* R2 - HPOUTL volume */
116 { 3, 0x0000 }, /* R3 - HPOUTR volume */
118 { 5, 0x0018 }, /* R5 - ADC & DAC Control 1 */
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/linux/arch/mips/alchemy/devboards/
H A Ddb1200.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2008-2011 Manuel Lauss
9 #include <linux/dma-mapping.h>
10 #include <linux/gpio.h>
25 #include <asm/mach-au1x00/au1000.h>
26 #include <asm/mach-au1x00/au1100_mmc.h>
27 #include <asm/mach-au1x00/au1xxx_dbdma.h>
28 #include <asm/mach-au1x00/au1xxx_psc.h>
29 #include <asm/mach-au1x00/au1200fb.h>
30 #include <asm/mach-au1x00/au1550_spi.h>
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/linux/drivers/ptp/
H A Dptp_ocp.c1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/clk-provider.h>
15 #include <linux/platform_data/i2c-xiic.h>
16 #include <linux/platform_data/i2c-ocores.h>
24 #include <linux/nvmem-consumer.h>
441 (void *)((uintptr_t)(bp) + (map)->bp_offset); \
457 uintptr_t addr = (uintptr_t)(bp) + (res)->bp_offset; \
497 --
654 .name = "xiic-i2c",
704 .modalias = "spi-nor",
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/linux/sound/pci/hda/
H A Dpatch_realtek.c1 // SPDX-License-Identifier: GPL-2.0-or-later
39 /* extra amp-initialization sequence types */
91 /* GPIO bits */
148 struct alc_spec *spec = codec->spec; in coef_mutex_lock()
151 mutex_lock(&spec->coef_mutex); in coef_mutex_lock()
156 struct alc_spec *spec = codec->spec; in coef_mutex_unlock()
158 mutex_unlock(&spec->coef_mutex); in coef_mutex_unlock()
210 if (val != -1) in __alc_update_coefex_idx()
230 struct alc_spec *spec = codec->spec; in alc_get_coef0()
232 if (!spec->coef0) in alc_get_coef0()
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