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/Linux-v5.15/Documentation/devicetree/bindings/net/
Dmdio.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrew Lunn <andrew@lunn.ch>
11 - Florian Fainelli <f.fainelli@gmail.com>
12 - Heiner Kallweit <hkallweit1@gmail.com>
17 bus. These should follow the generic ethernet-phy.yaml document, or
24 "#address-cells":
27 "#size-cells":
30 reset-gpios:
[all …]
Dethernet-phy.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/net/ethernet-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrew Lunn <andrew@lunn.ch>
11 - Florian Fainelli <f.fainelli@gmail.com>
12 - Heiner Kallweit <hkallweit1@gmail.com>
14 # The dt-schema tools will generate a select statement first by using
21 pattern: "^ethernet-phy(@[a-f0-9]+)?$"
24 - $nodename
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/regulator/
Drichtek,rtmv20-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/richtek,rtmv20-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiYuan Huang <cy_huang@richtek.com>
27 wakeup-source: true
32 enable-gpios:
36 richtek,ld-pulse-delay-us:
38 load current pulse delay in microsecond after strobe pin pulse high.
43 richtek,ld-pulse-width-us:
[all …]
Dfixed-regulator.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
16 expected to have the regulator-min-microvolt and regulator-max-microvolt
20 - $ref: "regulator.yaml#"
26 const: regulator-fixed-clock
28 - clocks
[all …]
Dregulator-max77620.txt3 Device has multiple DCDC(sd[0-3] and LDOs(ldo[0-8]). The input supply
6 sub-node "regulators" which is child node of device node.
14 -------------------
18 in-sd0-supply: Input supply for SD0, INA-SD0 or INB-SD0 pins.
19 in-sd1-supply: Input supply for SD1.
20 in-sd2-supply: Input supply for SD2.
21 in-sd3-supply: Input supply for SD3.
22 in-ldo0-1-supply: Input supply for LDO0 and LDO1.
23 in-ldo2-supply: Input supply for LDO2.
24 in-ldo3-5-supply: Input supply for LDO3 and LDO5
[all …]
Dmps,mpq7920.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Saravanan Sekar <sravanhome@gmail.com>
14 pattern: "pmic@[0-9a-f]{1,2}"
17 - mps,mpq7920
28 after their hardware counterparts BUCK[1-4], one LDORTC, and LDO[2-5]
31 mps,switch-freq:
44 "^ldo[1-4]$":
48 "^buck[1-4]$":
[all …]
/Linux-v5.15/drivers/hwmon/pmbus/
Dmax15301.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * extensive empirical testing has revealed that auto-detection of
9 * limit-registers will fail in a random fashion unless the delay
10 * parameter is set to above about 80us. The default delay is set
11 * to 100us to include some safety margin.
21 #include <linux/delay.h>
35 int delay; /* Delay between chip accesses in us */ member
41 #define MAX15301_WAIT_TIME 100 /* us */
43 static ushort delay = MAX15301_WAIT_TIME; variable
44 module_param(delay, ushort, 0644);
[all …]
/Linux-v5.15/tools/testing/selftests/ftrace/test.d/preemptirq/
Dirqsoff_tracer.tc2 # SPDX-License-Identifier: GPL-2.0
36 modprobe $MOD test_mode=preempt delay=500000 || fail
38 modprobe $MOD test_mode=preempt delay=500000 || fail
40 modprobe $MOD test_mode=preempt delay=500000 || fail
46 grep -q "tracer: preemptoff" trace || fail
49 egrep -q "5.....us : <stack trace>" trace || fail
52 egrep -q "latency: 5..... us" trace || fail
59 modprobe $MOD test_mode=irq delay=500000 || fail
61 modprobe $MOD test_mode=irq delay=500000 || fail
63 modprobe $MOD test_mode=irq delay=500000 || fail
[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 …]
Dad7879.txt1 * Analog Devices AD7879(-1)/AD7889(-1) touchscreen interface (SPI/I2C)
4 - compatible : for SPI slave, use "adi,ad7879"
5 for I2C slave, use "adi,ad7879-1"
6 - reg : SPI chipselect/I2C slave address
7 See spi-bus.txt for more SPI slave properties
8 - interrupts : touch controller interrupt
9 - touchscreen-max-pressure : maximum reported pressure
10 - adi,resistance-plate-x : total resistance of X-plate (for pressure
13 - touchscreen-swapped-x-y : X and Y axis are swapped (boolean)
14 - adi,first-conversion-delay : 0-12: In 128us steps (starting with 128us)
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/input/rmi4/
Drmi_spi.txt10 - compatible: syna,rmi4-spi
11 - reg: Chip select address for the device
12 - #address-cells: Set to 1 to indicate that the function child nodes
14 - #size-cells: Set to 0 to indicate that the function child nodes do not
18 - interrupts: interrupt which the rmi device is connected to.
19 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
21 - spi-rx-delay-us: microsecond delay after a read transfer.
22 - spi-tx-delay-us: microsecond delay after a write transfer.
33 rmi4-spi-dev@0 {
34 compatible = "syna,rmi4-spi";
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/mmc/
Dmmc-pwrseq-simple.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/mmc-pwrseq-simple.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
14 of common properties between various SOC designs. It thus enables us to use
19 const: mmc-pwrseq-simple
21 reset-gpios:
28 They will be de-asserted right after the power has been provided to the
33 description: Handle for the entry in clock-names.
[all …]
/Linux-v5.15/arch/arm/boot/dts/
Dkirkwood-synology.dtsi1 // SPDX-License-Identifier: GPL-2.0
12 pinctrl: pin-controller@10000 {
13 pmx_alarmled_12: pmx-alarmled-12 {
18 pmx_fanctrl_15: pmx-fanctrl-15 {
23 pmx_fanctrl_16: pmx-fanctrl-16 {
28 pmx_fanctrl_17: pmx-fanctrl-17 {
33 pmx_fanalarm_18: pmx-fanalarm-18 {
38 pmx_hddled_20: pmx-hddled-20 {
43 pmx_hddled_21: pmx-hddled-21 {
48 pmx_hddled_22: pmx-hddled-22 {
[all …]
Drk3066a-mk808.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
19 stdout-path = "serial2:115200n8";
27 gpio-leds {
28 compatible = "gpio-leds";
30 blue_led: led-0 {
33 default-state = "off";
34 linux,default-trigger = "default-on";
39 compatible = "hdmi-connector";
44 remote-endpoint = <&hdmi_out_con>;
[all …]
Dimx6dl-mamoj.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
14 compatible = "bticino,imx6dl-mamoj", "fsl,imx6dl";
22 backlight_lcd: backlight-lcd {
23 compatible = "pwm-backlight";
24 pwms = <&pwm3 0 25000>; /* 25000ns -> 40kHz */
25 brightness-levels = <0 4 8 16 32 64 128 160 192 224 255>;
26 default-brightness-level = <7>;
30 compatible = "fsl,imx-parallel-display";
[all …]
/Linux-v5.15/tools/testing/selftests/kvm/
Drseq_test.c1 // SPDX-License-Identifier: GPL-2.0-only
36 * Any bug related to task migration is likely to be timing-dependent; perform
99 * is in-progress, while a completely different count indicates in migration_worker()
106 * stable, i.e. while changing affinity is in-progress. in migration_worker()
118 * Wait 1-10us before proceeding to the next iteration and more in migration_worker()
119 * specifically, before bumping seq_cnt again. A delay is in migration_worker()
145 * 3. To ensure the read-side makes efficient forward progress, in migration_worker()
147 * read-side means the test will spend more time waiting for in migration_worker()
149 * the timing-dependent bug. in migration_worker()
151 * Because any bug in this area is likely to be timing-dependent, in migration_worker()
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/input/
Dti,nspire-keypad.txt1 TI-NSPIRE Keypad
4 - compatible: Compatible property value should be "ti,nspire-keypad".
6 - reg: Physical base address of the peripheral and length of memory mapped
9 - interrupts: The interrupt number for the peripheral.
11 - scan-interval: How often to scan in us. Based on a APB speed of 33MHz, the
12 maximum and minimum delay time is ~2000us and ~500us respectively
14 - row-delay: How long to wait before scanning each row.
16 - clocks: The clock this peripheral is attached to.
18 - linux,keymap: The keymap to use
19 (see Documentation/devicetree/bindings/input/matrix-keymap.txt)
[all …]
Dgpio-matrix-keypad.txt6 keypad can sense a key-press and key-release by means of GPIO lines and
10 - compatible: Should be "gpio-matrix-keypad"
11 - row-gpios: List of gpios used as row lines. The gpio specifier
14 - col-gpios: List of gpios used as column lines. The gpio specifier
17 - linux,keymap: The definition can be found at
18 bindings/input/matrix-keymap.txt
21 - linux,no-autorepeat: do no enable autorepeat feature.
22 - wakeup-source: use any event on keypad as wakeup event.
24 - debounce-delay-ms: debounce interval in milliseconds
25 - col-scan-delay-us: delay, measured in microseconds, that is needed
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/arm/
Didle-states.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/arm/idle-states.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
14 1 - Introduction
18 where cores can be put in different low-power states (ranging from simple wfi
20 range of dynamic idle states that a processor can enter at run-time, can be
27 - Running
28 - Idle_standby
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/i2c/
Di2c-arb-gpio-challenge.txt1 GPIO-based I2C Arbitration Using a Challenge & Response Mechanism
7 the standard I2C multi-master rules. Using GPIOs is generally useful in
21 others can see. These are all active low with pull-ups enabled. We'll
24 - OUR_CLAIM: output from us signaling to other hosts that we want the bus
25 - THEIR_CLAIMS: output from others signaling that they want the bus
43 - compatible: i2c-arb-gpio-challenge
44 - our-claim-gpio: The GPIO that we use to claim the bus.
45 - their-claim-gpios: The GPIOs that the other sides use to claim the bus.
47 - I2C arbitration bus node. See i2c-arb.txt in this directory.
50 - slew-delay-us: microseconds to wait for a GPIO to go high. Default is 10 us.
[all …]
/Linux-v5.15/tools/testing/selftests/net/
Dtxtimestamp.sh2 # SPDX-License-Identifier: GPL-2.0
5 # Verify that timestamps correspond to netem delay
7 set -e
10 # set 1ms delay on lo egress
11 tc qdisc add dev lo root netem delay 1ms
13 # set 2ms delay on ifb0 egress
17 tc qdisc add dev ifb_netem0 root netem delay 2ms
27 # SND will be delayed 1000us
28 # ACK will be delayed 6000us: 1 + 2 ms round-trip
29 local -r args="$@ -v 1000 -V 6000"
[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 …]
/Linux-v5.15/arch/arm64/boot/dts/qcom/
Dsm8250-mtp.dts1 // SPDX-License-Identifier: BSD-3-Clause
6 /dts-v1/;
8 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
17 compatible = "qcom,sm8250-mtp", "qcom,sm8250";
24 stdout-path = "serial0:115200n8";
27 thermal-zones {
28 camera-thermal {
29 polling-delay-passive = <0>;
30 polling-delay = <0>;
31 thermal-sensors = <&pm8150l_adc_tm 0>;
[all …]
/Linux-v5.15/drivers/mmc/host/
Dsdhci-bcm-kona.c16 #include <linux/delay.h>
25 #include <linux/mmc/slot-gpio.h>
27 #include "sdhci-pltfm.h"
74 return -EFAULT; in sdhci_bcm_kona_sd_reset()
83 * Back-to-Back register write needs a delay of 1ms at bootup (min 10uS) in sdhci_bcm_kona_sd_reset()
84 * Back-to-Back writes to same register needs delay when SD bus clock in sdhci_bcm_kona_sd_reset()
85 * is very low w.r.t AHB clock, mainly during boot-time and during card in sdhci_bcm_kona_sd_reset()
86 * insert-removal. in sdhci_bcm_kona_sd_reset()
108 * Back-to-Back register write needs a delay of 1ms at bootup (min 10uS) in sdhci_bcm_kona_sd_init()
109 * Back-to-Back writes to same register needs delay when SD bus clock in sdhci_bcm_kona_sd_init()
[all …]
/Linux-v5.15/drivers/staging/r8188eu/hal/
Dodm_RegConfig8188E.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2007 - 2011 Realtek Corporation. */
24 /* Add 1us delay between BB/RF register setting. */ in odm_ConfigRFReg_8188E()
53 /* Add 1us delay between BB/RF register setting. */ in odm_ConfigBB_AGC_8188E()
73 storePwrIndexDiffRateOffset(pDM_Odm->Adapter, Addr, Bitmask, Data); in odm_ConfigBB_PHY_REG_PG_8188E()
92 pDM_Odm->RFCalibrateInfo.RegA24 = Data; in odm_ConfigBB_PHY_8188E()
95 /* Add 1us delay between BB/RF register setting. */ in odm_ConfigBB_PHY_8188E()

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