Home
last modified time | relevance | path

Searched +full:slew +full:- +full:delay +full:- +full:us (Results 1 – 25 of 62) sorted by relevance

123

/kernel/linux/linux-5.10/Documentation/devicetree/bindings/i2c/
Di2c-arb-gpio-challenge.txt1 GPIO-based I2C Arbitration Using a Challenge & Response Mechanism
7 the standard I2C multi-master rules. Using GPIOs is generally useful in
21 others can see. These are all active low with pull-ups enabled. We'll
24 - OUR_CLAIM: output from us signaling to other hosts that we want the bus
25 - THEIR_CLAIMS: output from others signaling that they want the bus
33 2. Waits a little bit for the other sides to notice (slew time, say 10
43 - compatible: i2c-arb-gpio-challenge
44 - our-claim-gpio: The GPIO that we use to claim the bus.
45 - their-claim-gpios: The GPIOs that the other sides use to claim the bus.
47 - I2C arbitration bus node. See i2c-arb.txt in this directory.
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/i2c/
Di2c-arb-gpio-challenge.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-arb-gpio-challenge.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO-based I2C Arbitration Using a Challenge & Response Mechanism
10 - Doug Anderson <dianders@chromium.org>
11 - Peter Rosin <peda@axentia.se>
18 standard I2C multi-master rules. Using GPIOs is generally useful in the case
30 others can see. These are all active low with pull-ups enabled. We'll
32 * OUR_CLAIM: output from us signaling to other hosts that we want the bus
[all …]
/kernel/linux/linux-6.6/arch/arm64/boot/dts/xilinx/
Dzynqmp-sck-kv-g-revB.dtso1 // SPDX-License-Identifier: GPL-2.0
5 * (C) Copyright 2020 - 2022, Xilinx, Inc.
6 * (C) Copyright 2022 - 2023, Advanced Micro Devices, Inc.
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/net/ti-dp83867.h>
13 #include <dt-bindings/phy/phy.h>
14 #include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
16 /dts-v1/;
20 si5332_0: si5332-0 { /* u17 */
21 compatible = "fixed-clock";
[all …]
Dzynqmp-sck-kv-g-revA.dtso1 // SPDX-License-Identifier: GPL-2.0
5 * (C) Copyright 2020 - 2022, Xilinx, Inc.
6 * (C) Copyright 2022 - 2023, Advanced Micro Devices, Inc.
9 * "A" - A01 board un-modified (NXP)
10 * "Y" - A01 board modified with legacy interposer (Nexperia)
11 * "Z" - A01 board modified with Diode interposer
16 #include <dt-bindings/gpio/gpio.h>
17 #include <dt-bindings/net/ti-dp83867.h>
18 #include <dt-bindings/phy/phy.h>
19 #include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
[all …]
Dzynqmp-zcu100-revC.dts1 // SPDX-License-Identifier: GPL-2.0+
5 * (C) Copyright 2016 - 2022, Xilinx, Inc.
6 * (C) Copyright 2022 - 2023, Advanced Micro Devices, Inc.
12 /dts-v1/;
15 #include "zynqmp-clk-ccf.dtsi"
16 #include <dt-bindings/input/input.h>
17 #include <dt-bindings/interrupt-controller/irq.h>
18 #include <dt-bindings/gpio/gpio.h>
19 #include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
20 #include <dt-bindings/phy/phy.h>
[all …]
/kernel/linux/linux-5.10/arch/arm64/boot/dts/rockchip/
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 …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/regulator/
Dmax8973-regulator.txt5 - compatible: must be one of following:
8 - reg: the i2c slave address of the regulator. It should be 0x1b.
15 -maxim,externally-enable: boolean, externally control the regulator output
17 -maxim,enable-gpio: GPIO for enable control. If the valid GPIO is provided
19 -maxim,dvs-gpio: GPIO which is connected to DVS pin of device.
20 -maxim,dvs-default-state: Default state of GPIO during initialisation.
22 -maxim,enable-remote-sense: boolean, enable reote sense.
23 -maxim,enable-falling-slew-rate: boolean, enable falling slew rate.
24 -maxim,enable-active-discharge: boolean: enable active discharge.
25 -maxim,enable-frequency-shift: boolean, enable 9% frequency shift.
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/regulator/
Dmaxim,max8973.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 - $ref: regulator.yaml#
18 - maxim,max8973
19 - maxim,max77621
21 junction-warn-millicelsius:
30 maxim,dvs-gpio:
35 maxim,dvs-default-state:
[all …]
/kernel/linux/linux-6.6/arch/arm64/boot/dts/rockchip/
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 …]
/kernel/linux/linux-5.10/drivers/iio/dac/
Dad5758.c1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/delay.h>
102 * struct ad5758_state - driver instance specific data
108 * @dc_dc_ilim: variable which stores the dc-to-dc converter current limit
109 * @slew_time: variable which stores the target slew time
136 * 1101: -1 mA to +22 mA current range
161 { AD5758_RANGE_PLUSMINUS_5V, -5000000, 5000000 },
162 { AD5758_RANGE_PLUSMINUS_10V, -10000000, 10000000 }
169 { AD5758_RANGE_PLUSMINUS_20mA, -20000, 20000 },
170 { AD5758_RANGE_PLUSMINUS_24mA, -24000, 24000 },
[all …]
/kernel/linux/linux-6.6/drivers/iio/dac/
Dad5758.c1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/delay.h>
101 * struct ad5758_state - driver instance specific data
107 * @dc_dc_ilim: variable which stores the dc-to-dc converter current limit
108 * @slew_time: variable which stores the target slew time
135 * 1101: -1 mA to +22 mA current range
160 { AD5758_RANGE_PLUSMINUS_5V, -5000000, 5000000 },
161 { AD5758_RANGE_PLUSMINUS_10V, -10000000, 10000000 }
168 { AD5758_RANGE_PLUSMINUS_20mA, -20000, 20000 },
169 { AD5758_RANGE_PLUSMINUS_24mA, -24000, 24000 },
[all …]
/kernel/linux/linux-6.6/arch/arm/boot/dts/microchip/
Dat91-sama7g5ek.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * at91-sama7g5ek.dts - Device Tree file for SAMA7G5-EK board
11 /dts-v1/;
12 #include "sama7g5-pinfunc.h"
14 #include <dt-bindings/mfd/atmel-flexcom.h>
15 #include <dt-bindings/input/input.h>
16 #include <dt-bindings/pinctrl/at91.h>
17 #include <dt-bindings/sound/microchip,pdmc.h>
20 model = "Microchip SAMA7G5-EK";
25 stdout-path = "serial0:115200n8";
[all …]
/kernel/linux/linux-6.6/drivers/i2c/muxes/
Di2c-arb-gpio-challenge.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * GPIO-based I2C Arbitration Using a Challenge & Response Mechanism
8 #include <linux/delay.h>
12 #include <linux/i2c-mux.h>
19 * struct i2c_arbitrator_data - Driver data for I2C arbitrator
38 * i2c_arbitrator_select - claim the I2C bus
40 * Use the GPIO-based signalling protocol; return -EBUSY if we fail.
48 stop_time = jiffies + usecs_to_jiffies(arb->wait_free_us) + 1; in i2c_arbitrator_select()
51 gpiod_set_value(arb->our_gpio, 1); in i2c_arbitrator_select()
52 udelay(arb->slew_delay_us); in i2c_arbitrator_select()
[all …]
/kernel/linux/linux-5.10/drivers/i2c/muxes/
Di2c-arb-gpio-challenge.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * GPIO-based I2C Arbitration Using a Challenge & Response Mechanism
8 #include <linux/delay.h>
12 #include <linux/i2c-mux.h>
19 * struct i2c_arbitrator_data - Driver data for I2C arbitrator
38 * i2c_arbitrator_select - claim the I2C bus
40 * Use the GPIO-based signalling protocol; return -EBUSY if we fail.
48 stop_time = jiffies + usecs_to_jiffies(arb->wait_free_us) + 1; in i2c_arbitrator_select()
51 gpiod_set_value(arb->our_gpio, 1); in i2c_arbitrator_select()
52 udelay(arb->slew_delay_us); in i2c_arbitrator_select()
[all …]
/kernel/linux/linux-5.10/arch/arm/boot/dts/
Dtegra30-asus-nexus7-grouper-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/gpio-keys.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/power/summit,smb347-charger.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
26 * pre-existing /chosen node to be available to insert the
35 reserved-memory {
36 #address-cells = <1>;
[all …]
Dexynos5250-snow-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/clock/maxim,max77686.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/sound/samsung-i2s.h>
27 stdout-path = "serial3:115200n8";
30 gpio-keys {
31 compatible = "gpio-keys";
32 pinctrl-names = "default";
[all …]
/kernel/linux/linux-6.6/drivers/cpufreq/
Dpmac64-cpufreq.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2002 - 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org>
4 * and Markus Demleitner <msdemlei@cl.uni-heidelberg.de>
18 #include <linux/delay.h>
73 * the various frequencies, retrieved from the device-tree
117 u32 slew, done = 0; in g5_vdnap_switch_volt() local
120 slew = (speed_mode == CPUFREQ_LOW) ? 1 : 0; in g5_vdnap_switch_volt()
122 args.u[0].p = &slew; in g5_vdnap_switch_volt()
350 int rc = -ENODEV; in g5_neo2_cpufreq_init()
361 return -ENODEV; in g5_neo2_cpufreq_init()
[all …]
Dmaple-cpufreq.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2011 Dmitry Eremin-Solenikov
4 * Copyright (C) 2002 - 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org>
5 * and Markus Demleitner <msdemlei@cl.uni-heidelberg.de>
19 #include <linux/delay.h>
67 * the various frequencies, retrieved from the device-tree
164 int rc = -ENODEV; in maple_cpufreq_init()
189 /* Look for the powertune data in the device-tree */ in maple_cpufreq_init()
191 * On Maple this property is provided by PIBS in dual-processor config, in maple_cpufreq_init()
195 maple_pmode_data = of_get_property(cpunode, "power-mode-data", &psize); in maple_cpufreq_init()
[all …]
/kernel/linux/linux-5.10/drivers/cpufreq/
Dpmac64-cpufreq.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2002 - 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org>
4 * and Markus Demleitner <msdemlei@cl.uni-heidelberg.de>
18 #include <linux/delay.h>
73 * the various frequencies, retrieved from the device-tree
117 u32 slew, done = 0; in g5_vdnap_switch_volt() local
120 slew = (speed_mode == CPUFREQ_LOW) ? 1 : 0; in g5_vdnap_switch_volt()
122 args.u[0].p = &slew; in g5_vdnap_switch_volt()
350 int rc = -ENODEV; in g5_neo2_cpufreq_init()
361 return -ENODEV; in g5_neo2_cpufreq_init()
[all …]
Dmaple-cpufreq.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2011 Dmitry Eremin-Solenikov
4 * Copyright (C) 2002 - 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org>
5 * and Markus Demleitner <msdemlei@cl.uni-heidelberg.de>
19 #include <linux/delay.h>
67 * the various frequencies, retrieved from the device-tree
164 int rc = -ENODEV; in maple_cpufreq_init()
189 /* Look for the powertune data in the device-tree */ in maple_cpufreq_init()
191 * On Maple this property is provided by PIBS in dual-processor config, in maple_cpufreq_init()
195 maple_pmode_data = of_get_property(cpunode, "power-mode-data", &psize); in maple_cpufreq_init()
[all …]
/kernel/linux/linux-6.6/arch/arm/boot/dts/nvidia/
Dtegra30-asus-nexus7-grouper-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/gpio-keys.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/power/summit,smb347-charger.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
11 #include "tegra30-asus-lvds-display.dtsi"
27 * pre-existing /chosen node to be available to insert the
33 trusted-foundations {
[all …]
Dtegra20-asus-tf101.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/atmel-maxtouch.h>
5 #include <dt-bindings/input/gpio-keys.h>
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/thermal/thermal.h>
10 #include "tegra20-cpu-opp.dtsi"
11 #include "tegra20-cpu-opp-microvolt.dtsi"
16 chassis-type = "convertible";
33 * pre-existing /chosen node to be available to insert the
[all …]
/kernel/linux/linux-6.6/arch/arm64/boot/dts/renesas/
Dbeacon-renesom-baseboard.dtsi1 // SPDX-License-Identifier: GPL-2.0
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/input.h>
8 #include <dt-bindings/clock/versaclock.h>
11 backlight_lvds: backlight-lvds {
12 compatible = "pwm-backlight";
13 power-supply = <&reg_lcd>;
14 enable-gpios = <&gpio_exp1 3 GPIO_ACTIVE_HIGH>;
16 brightness-levels = <0 4 8 16 32 64 128 255>;
17 default-brightness-level = <6>;
[all …]
/kernel/linux/linux-6.6/sound/soc/codecs/
Dmax98388.c1 // SPDX-License-Identifier: GPL-2.0
5 #include <linux/delay.h>
76 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); in max98388_dac_event()
81 regmap_write(max98388->regmap, in max98388_dac_event()
86 regmap_write(max98388->regmap, in max98388_dac_event()
89 max98388->tdm_mode = false; in max98388_dac_event()
132 static DECLARE_TLV_DB_SCALE(max98388_digital_tlv, -6350, 50, 1);
133 static DECLARE_TLV_DB_SCALE(max98388_amp_gain_tlv, -300, 300, 0);
136 "0dBFS", "-1dBFS", "-2dBFS", "-3dBFS", "-4dBFS", "-5dBFS",
137 "-6dBFS", "-7dBFS", "-8dBFS", "-9dBFS", "-10dBFS", "-11dBFS",
[all …]
/kernel/linux/linux-6.6/arch/arm/boot/dts/samsung/
Dexynos5250-snow-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/clock/maxim,max77686.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/sound/samsung-i2s.h>
30 stdout-path = "serial3:115200n8";
33 gpio-keys {
34 compatible = "gpio-keys";
35 pinctrl-names = "default";
[all …]

123