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/Linux-v5.15/Documentation/devicetree/bindings/iio/adc/
Dti,tsc2046.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Oleksij Rempel <o.rempel@pengutronix.de>
18 - ti,tsc2046e-adc
26 spi-max-frequency: true
28 "#io-channel-cells":
31 '#address-cells':
34 '#size-cells':
38 - compatible
[all …]
Dadc.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jonathan Cameron <jic23@kernel.org>
17 pattern: "^channel(@[0-9a-f]+)?$"
32 diff-channels:
33 $ref: /schemas/types.yaml#/definitions/uint32-array
42 settling-time-us:
44 Time between enabling the channel and first stable readings.
46 oversampling-ratio:
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/input/touchscreen/
Dstmpe.txt2 ----------------
5 - compatible: "st,stmpe-ts"
8 - st,ave-ctrl : Sample average control
9 0 -> 1 sample
10 1 -> 2 samples
11 2 -> 4 samples
12 3 -> 8 samples
13 - st,touch-det-delay : Touch detect interrupt delay (recommended is 3)
14 0 -> 10 us
15 1 -> 50 us
[all …]
Dbrcm,iproc-touchscreen.txt4 - compatible: must be "brcm,iproc-touchscreen"
5 - ts_syscon: handler of syscon node defining physical base
9 - clocks: The clock provided by the SOC to driver the tsc
10 - clock-names: name for the clock
11 - interrupts: The touchscreen controller's interrupt
12 - address-cells: Specify the number of u32 entries needed in child nodes.
14 - size-cells: Specify number of u32 entries needed to specify child nodes size
18 - scanning_period: Time between scans. Each step is 1024 us. Valid 1-256.
19 - debounce_timeout: Each step is 512 us. Valid 0-255
20 - settling_timeout: The settling duration (in ms) is the amount of time
[all …]
Dads7846.txt7 Documentation/devicetree/bindings/spi/spi-bus.txt
23 vcc-supply A regulator node for the supply voltage.
28 ti,vref-delay-usecs vref supply delay in usecs, 0 for
30 ti,vref-mv The VREF voltage, in millivolts (u16).
33 ti,keep-vref-on set to keep vref on for differential
35 ti,settle-delay-usec Settling time of the analog signals;
37 on the X/Y drivers. If set to non-zero,
39 us apart, and the second one is used.
41 ti,penirq-recheck-delay-usecs If set to non-zero, after samples are
47 ti,x-plate-ohms Resistance of the X-plate,
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/regulator/
Dregulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
14 regulator-name:
18 regulator-min-microvolt:
21 regulator-max-microvolt:
24 regulator-microvolt-offset:
27 regulator-min-microamp:
[all …]
/Linux-v5.15/drivers/input/touchscreen/
Dstmpe-ts.c1 // SPDX-License-Identifier: GPL-2.0-or-later
46 #define STMPE_TS_NAME "stmpe-ts"
50 * struct stmpe_touch - stmpe811 touch screen controller state
57 * (0 -> 1 sample, 1 -> 2 samples, 2 -> 4 samples, 3 -> 8 samples)
59 * (0 -> 10 us, 1 -> 50 us, 2 -> 100 us, 3 -> 500 us,
60 * 4-> 1 ms, 5 -> 5 ms, 6 -> 10 ms, 7 -> 50 ms)
62 * @settling: Panel driver settling time
63 * (0 -> 10 us, 1 -> 100 us, 2 -> 500 us, 3 -> 1 ms,
64 * 4 -> 5 ms, 5 -> 10 ms, 6 for 50 ms, 7 -> 100 ms)
70 * (0 -> 20 mA typical 35 mA max, 1 -> 50 mA typical 80 mA max)
[all …]
Dwm9705.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm9705.c -- Codec driver for Wolfson WM9705 AC97 Codec.
54 * For accurate touchpanel measurements, some settling time may be
99 * ADC sample delay times in uS
123 * The delay is 3 AC97 link frames + the touchpanel settling delay
147 dev_dbg(wm->dev, in wm9705_phy_init()
150 dev_dbg(wm->dev, in wm9705_phy_init()
155 /* polling mode sample settling delay */ in wm9705_phy_init()
158 dev_dbg(wm->dev, "supplied delay out of range."); in wm9705_phy_init()
164 dev_dbg(wm->dev, "setting adc sample delay to %d u Secs.", in wm9705_phy_init()
[all …]
Dwm9712.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm9712.c -- Codec driver for Wolfson WM9712 AC97 Codecs.
67 * For accurate touchpanel measurements, some settling time may be
87 MODULE_PARM_DESC(five_wire, "Set to '1' to use 5-wire touchscreen.");
117 * ADC sample delay times in uS
141 * The delay is 3 AC97 link frames + the touchpanel settling delay
160 dev_dbg(wm->dev, "setting pen detect pull-up to %d Ohms\n", in wm9712_phy_init()
167 dev_dbg(wm->dev, "setting 5-wire touchscreen mode.\n"); in wm9712_phy_init()
170 dev_warn(wm->dev, "pressure measurement is not " in wm9712_phy_init()
171 "supported in 5-wire mode\n"); in wm9712_phy_init()
[all …]
Dwm9713.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm9713.c -- Codec touch driver for Wolfson WM9713 AC97 Codec.
67 * For accurate touchpanel measurements, some settling time may be
87 MODULE_PARM_DESC(five_wire, "Set to '1' to use 5-wire touchscreen.");
117 * ADC sample delay times in uS
141 * The delay is 3 AC97 link frames + the touchpanel settling delay
163 dev_info(wm->dev, "setting pen detect pull-up to %d Ohms\n", in wm9713_phy_init()
170 dev_info(wm->dev, "setting 5-wire touchscreen mode."); in wm9713_phy_init()
173 dev_warn(wm->dev, in wm9713_phy_init()
183 dev_info(wm->dev, in wm9713_phy_init()
[all …]
/Linux-v5.15/drivers/regulator/
Dof_regulator.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 [PM_SUSPEND_STANDBY] = "regulator-state-standby",
20 [PM_SUSPEND_MEM] = "regulator-state-mem",
21 [PM_SUSPEND_MAX] = "regulator-state-disk",
41 "regulator-oc-%s-microamp", in of_get_regulator_prot_limits()
42 "regulator-ov-%s-microvolt", in of_get_regulator_prot_limits()
43 "regulator-temp-%s-kelvin", in of_get_regulator_prot_limits()
44 "regulator-uv-%s-microvolt", in of_get_regulator_prot_limits()
47 &constraints->over_curr_limits, in of_get_regulator_prot_limits()
48 &constraints->over_voltage_limits, in of_get_regulator_prot_limits()
[all …]
/Linux-v5.15/arch/arm64/boot/dts/amlogic/
Dmeson-gxbb-p20x.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include "meson-gxbb.dtsi"
17 stdout-path = "serial0:115200n8";
25 usb_pwr: regulator-usb-pwrs {
26 compatible = "regulator-fixed";
28 regulator-name = "USB_PWR";
30 regulator-min-microvolt = <5000000>;
31 regulator-max-microvolt = <5000000>;
35 enable-active-high;
38 vddio_card: gpio-regulator {
[all …]
Dmeson-gxl-s905x-libretech-cc-v2.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/sound/meson-aiu.h>
13 #include "meson-gxl-s905x.dtsi"
16 compatible = "libretech,aml-s905x-cc-v2", "amlogic,s905x",
17 "amlogic,meson-gxl";
18 model = "Libre Computer AML-S905X-CC V2";
27 stdout-path = "serial0:115200n8";
[all …]
Dmeson-gx-libretech-pc.dtsi1 // SPDX-License-Identifier: GPL-2.0
7 /* Libretech Amlogic GX PC form factor - AKA: Tartiflette */
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/sound/meson-aiu.h>
14 adc-keys {
15 compatible = "adc-keys";
16 io-channels = <&saradc 0>;
17 io-channel-names = "buttons";
18 keyup-threshold-microvolt = <1800000>;
[all …]
Dmeson-gxl-s905x-libretech-cc.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/sound/meson-aiu.h>
13 #include "meson-gxl-s905x.dtsi"
16 compatible = "libretech,aml-s905x-cc", "amlogic,s905x",
17 "amlogic,meson-gxl";
18 model = "Libre Computer AML-S905X-CC";
25 dio2133: analog-amplifier {
26 compatible = "simple-audio-amplifier";
[all …]
Dmeson-gxbb-nanopi-k2.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include "meson-gxbb.dtsi"
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/sound/meson-aiu.h>
13 compatible = "friendlyarm,nanopi-k2", "amlogic,meson-gxbb";
22 stdout-path = "serial0:115200n8";
31 compatible = "gpio-leds";
33 led-stat {
34 label = "nanopi-k2:blue:stat";
[all …]
/Linux-v5.15/arch/arm64/boot/dts/rockchip/
Drk3318-a95x-z2.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 /dts-v1/;
4 #include <dt-bindings/input/input.h>
9 compatible = "zkmagic,a95x-z2", "rockchip,rk3318";
18 stdout-path = "serial2:1500000n8";
21 adc-keys {
22 compatible = "adc-keys";
23 io-channels = <&saradc 0>;
24 io-channel-names = "buttons";
25 keyup-threshold-microvolt = <1800000>;
[all …]
Drk3399-gru.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 * Copyright 2016-2017 Google, Inc
8 #include <dt-bindings/input/input.h>
10 #include "rk3399-op1-opp.dtsi"
19 stdout-path = "serial2:115200n8";
28 * - Rails that only connect to the EC (or devices that the EC talks to)
30 * - Rails _are_ included if the rails go to the AP even if the AP
39 * - The EC controls the enable and the EC always enables a rail as
41 * - The rails are actually connected to each other by a jumper and
46 ppvar_sys: ppvar-sys {
[all …]
Drk3399-gru-chromebook.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Google Gru-Chromebook shared properties
8 #include "rk3399-gru.dtsi"
11 pp900_ap: pp900-ap {
12 compatible = "regulator-fixed";
13 regulator-name = "pp900_ap";
16 regulator-always-on;
17 regulator-boot-on;
18 regulator-min-microvolt = <900000>;
19 regulator-max-microvolt = <900000>;
[all …]
Drk3308-roc-cc.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
10 model = "Firefly ROC-RK3308-CC board";
11 compatible = "firefly,roc-rk3308-cc", "rockchip,rk3308";
19 stdout-path = "serial2:1500000n8";
23 compatible = "gpio-ir-receiver";
25 pinctrl-names = "default";
26 pinctrl-0 = <&ir_recv_pin>;
30 compatible = "pwm-ir-tx";
35 compatible = "gpio-leds";
[all …]
/Linux-v5.15/include/linux/spi/
Dads7846.h1 /* SPDX-License-Identifier: GPL-2.0 */
24 /* Settling time of the analog signals; a function of Vcc and the
25 * capacitance on the X/Y drivers. If set to non-zero, two samples
26 * are taken with settle_delay us apart, and the second one is used.
31 /* If set to non-zero, after samples are taken this delay is applied
51 int gpio_pendown_debounce; /* platform specific debounce time for
/Linux-v5.15/drivers/iio/adc/
Dep93xx_adc.c1 // SPDX-License-Identifier: GPL-2.0-only
30 * HR Timers-based version loads CPU only up to 10% during back to back ADC
31 * conversion, while busy wait-based version consumes whole CPU power.
88 mutex_lock(&priv->lock); in ep93xx_read_raw()
89 if (priv->lastch != channel->channel) { in ep93xx_read_raw()
90 priv->lastch = channel->channel; in ep93xx_read_raw()
92 * Switch register is software-locked, unlocking must be in ep93xx_read_raw()
96 writel_relaxed(0xAA, priv->base + EP93XX_ADC_SW_LOCK); in ep93xx_read_raw()
97 writel_relaxed(channel->address, in ep93xx_read_raw()
98 priv->base + EP93XX_ADC_SWITCH); in ep93xx_read_raw()
[all …]
/Linux-v5.15/net/ipv4/
Dtcp_recovery.c1 // SPDX-License-Identifier: GPL-2.0
14 if (!tp->reord_seen) { in tcp_rack_reo_wnd()
18 if (inet_csk(sk)->icsk_ca_state >= TCP_CA_Recovery) in tcp_rack_reo_wnd()
21 if (tp->sacked_out >= tp->reordering && in tcp_rack_reo_wnd()
22 !(sock_net(sk)->ipv4.sysctl_tcp_recovery & TCP_RACK_NO_DUPTHRESH)) in tcp_rack_reo_wnd()
26 /* To be more reordering resilient, allow min_rtt/4 settling delay. in tcp_rack_reo_wnd()
32 return min((tcp_min_rtt(tp) >> 2) * tp->rack.reo_wnd_steps, in tcp_rack_reo_wnd()
33 tp->srtt_us >> 3); in tcp_rack_reo_wnd()
38 return tp->rack.rtt_us + reo_wnd - in tcp_rack_skb_timeout()
39 tcp_stamp_us_delta(tp->tcp_mstamp, tcp_skb_timestamp_us(skb)); in tcp_rack_skb_timeout()
[all …]
/Linux-v5.15/drivers/input/misc/
Dcma3000_d0x.c1 // SPDX-License-Identifier: GPL-2.0-only
41 /* Settling time delay in ms */
44 /* Delay for clearing interrupt in us */
74 (data->bus_ops->read(data->dev, reg, msg))
76 ((data)->bus_ops->write(data->dev, reg, val, msg))
99 *datax = ((s8)*datax) * data->bit_to_mg; in decode_mg()
100 *datay = ((s8)*datay) * data->bit_to_mg; in decode_mg()
101 *dataz = ((s8)*dataz) * data->bit_to_mg; in decode_mg()
116 input_report_abs(data->input_dev, ABS_MISC, 1); in cma3000_thread_irq()
117 input_sync(data->input_dev); in cma3000_thread_irq()
[all …]
/Linux-v5.15/arch/arm64/boot/dts/nvidia/
Dtegra210-p2180.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/mfd/max77620.h>
17 stdout-path = "serial0:115200n8";
26 vdd-supply = <&vdd_gpu>;
36 clock-frequency = <400000>;
41 interrupt-parent = <&tegra_pmc>;
44 #interrupt-cells = <2>;
45 interrupt-controller;
47 #gpio-cells = <2>;
48 gpio-controller;
[all …]

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