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/kernel/linux/linux-5.10/Documentation/driver-api/gpio/
Dintro.rst16 - The descriptor-based interface is the preferred way to manipulate GPIOs,
17 and is described by all the files in this directory excepted gpio-legacy.txt.
18 - The legacy integer-based interface which is considered deprecated (but still
19 usable for compatibility reasons) is documented in gpio-legacy.txt.
21 The remainder of this document applies to the new descriptor-based interface.
22 gpio-legacy.txt contains the same information applied to the legacy
23 integer-based interface.
29 A "General Purpose Input/Output" (GPIO) is a flexible software-controlled
37 System-on-Chip (SOC) processors heavily rely on GPIOs. In some cases, every
38 non-dedicated pin can be configured as a GPIO; and most chips have at least
[all …]
Ddriver.rst26 between 0 and n-1, n being the number of GPIOs managed by the chip.
29 example if a system uses a memory-mapped set of I/O-registers where 32 GPIO
30 lines are handled by one bit per line in a 32-bit register, it makes sense to
44 So for example one platform could use global numbers 32-159 for GPIOs, with a
46 global numbers 0..63 with one set of GPIO controllers, 64-79 with another type
47 of GPIO controller, and on one particular board 80-95 with an FPGA. The legacy
49 2000-2063 to identify GPIO lines in a bank of I2C GPIO expanders.
60 - methods to establish GPIO line direction
61 - methods used to access GPIO line values
62 - method to set electrical configuration for a given GPIO line
[all …]
/kernel/linux/linux-6.6/Documentation/driver-api/gpio/
Dintro.rst16 - The descriptor-based interface is the preferred way to manipulate GPIOs,
18 - The legacy integer-based interface which is considered deprecated (but still
21 The remainder of this document applies to the new descriptor-based interface.
23 integer-based interface.
29 A "General Purpose Input/Output" (GPIO) is a flexible software-controlled
37 System-on-Chip (SOC) processors heavily rely on GPIOs. In some cases, every
38 non-dedicated pin can be configured as a GPIO; and most chips have at least
43 Most PC southbridges have a few dozen GPIO-capable pins (with only the BIOS
48 - Output values are writable (high=1, low=0). Some chips also have
50 value might be driven, supporting "wire-OR" and similar schemes for the
[all …]
Ddriver.rst26 between 0 and n-1, n being the number of GPIOs managed by the chip.
29 example if a system uses a memory-mapped set of I/O-registers where 32 GPIO
30 lines are handled by one bit per line in a 32-bit register, it makes sense to
44 So for example one platform could use global numbers 32-159 for GPIOs, with a
46 global numbers 0..63 with one set of GPIO controllers, 64-79 with another type
47 of GPIO controller, and on one particular board 80-95 with an FPGA. The legacy
49 2000-2063 to identify GPIO lines in a bank of I2C GPIO expanders.
60 - methods to establish GPIO line direction
61 - methods used to access GPIO line values
62 - method to set electrical configuration for a given GPIO line
[all …]
/kernel/linux/config/
DREADME.md1 # Config<a name="EN-US_TOPIC_0000001102487950"></a>
3 - [Introduction](#section11660541593)
4 - [Composition of Config](#section28381947133910)
5 - [Directory Structure](#section161941989596)
6 - [Usage](#section1393789267)
7 - [Build](#section19369206113115)
8 - [Repositories Involved](#section1371113476307)
12 Evolved from the open-source Linux kernel LTS 4.19.y and 5.10.y, the OpenHarmony Linux kernel has i…
14 …nel website](https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/log/?h=linux-4.19.y).
16 …nel website](https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/log/?h=linux-5.10.y).
[all …]
/kernel/linux/linux-6.6/arch/arm64/boot/dts/nvidia/
Dtegra210-p2894.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/input.h>
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/mfd/max77620.h>
6 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
16 stdout-path = "serial0:115200n8";
26 pinctrl-names = "boot";
27 pinctrl-0 = <&state_boot>;
35 nvidia,enable-input = <TEGRA_PIN_DISABLE>;
36 nvidia,open-drain = <TEGRA_PIN_DISABLE>;
[all …]
Dtegra210-smaug.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/mfd/max77620.h>
6 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
12 compatible = "google,smaug-rev8", "google,smaug-rev7",
13 "google,smaug-rev6", "google,smaug-rev5",
14 "google,smaug-rev4", "google,smaug-rev3",
15 "google,smaug-rev2", "google,smaug-rev1",
25 stdout-path = "serial0:115200n8";
[all …]
/kernel/linux/linux-5.10/arch/arm64/boot/dts/nvidia/
Dtegra210-p2894.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/input.h>
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/mfd/max77620.h>
6 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
16 stdout-path = "serial0:115200n8";
26 pinctrl-names = "boot";
27 pinctrl-0 = <&state_boot>;
35 nvidia,enable-input = <TEGRA_PIN_DISABLE>;
36 nvidia,open-drain = <TEGRA_PIN_DISABLE>;
[all …]
Dtegra210-smaug.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/mfd/max77620.h>
6 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
12 compatible = "google,smaug-rev8", "google,smaug-rev7",
13 "google,smaug-rev6", "google,smaug-rev5",
14 "google,smaug-rev4", "google,smaug-rev3",
15 "google,smaug-rev2", "google,smaug-rev1",
24 stdout-path = "serial0:115200n8";
[all …]
/kernel/linux/linux-5.10/include/dt-bindings/gpio/
Dgpio.h1 /* SPDX-License-Identifier: GPL-2.0 */
17 /* Bit 1 express single-endedness */
21 /* Bit 2 express Open drain or open source */
26 * Open Drain/Collector is the combination of single-ended open drain interface.
27 * Open Source/Emitter is the combination of single-ended open source interface.
/kernel/linux/linux-6.6/include/dt-bindings/gpio/
Dgpio.h1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
17 /* Bit 1 express single-endedness */
21 /* Bit 2 express Open drain or open source */
26 * Open Drain/Collector is the combination of single-ended open drain interface.
27 * Open Source/Emitter is the combination of single-ended open source interface.
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/interrupt-controller/
Dopen-pic.txt1 * Open PIC Binding
4 representation of an Open PIC compliant interrupt controller. This binding is
5 based on the binding defined for Open PIC in [1] and is a superset of that
13 - compatible: Specifies the compatibility list for the PIC. The type
14 shall be <string> and the value shall include "open-pic".
16 - reg: Specifies the base physical address(s) and size(s) of this
17 PIC's addressable register space. The type shall be <prop-encoded-array>.
19 - interrupt-controller: The presence of this property identifies the node
20 as an Open PIC. No property value shall be defined.
22 - #interrupt-cells: Specifies the number of cells needed to encode an
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/interrupt-controller/
Dopen-pic.txt1 * Open PIC Binding
4 representation of an Open PIC compliant interrupt controller. This binding is
5 based on the binding defined for Open PIC in [1] and is a superset of that
13 - compatible: Specifies the compatibility list for the PIC. The type
14 shall be <string> and the value shall include "open-pic".
16 - reg: Specifies the base physical address(s) and size(s) of this
17 PIC's addressable register space. The type shall be <prop-encoded-array>.
19 - interrupt-controller: The presence of this property identifies the node
20 as an Open PIC. No property value shall be defined.
22 - #interrupt-cells: Specifies the number of cells needed to encode an
[all …]
/kernel/linux/linux-5.10/Documentation/ABI/testing/
Dsysfs-bus-iio-adc-hi84354 Contact: source@cogentembedded.com
7 Could be either "GND-Open" or "Supply-Open" mode. Y is a
14 Contact: source@cogentembedded.com
19 is separately set for "GND-Open" and "Supply-Open" modes.
33 Contact: source@cogentembedded.com
38 is separately set for "GND-Open" and "Supply-Open" modes.
/kernel/linux/linux-6.6/Documentation/ABI/testing/
Dsysfs-bus-iio-adc-hi84354 Contact: source@cogentembedded.com
7 Could be either "GND-Open" or "Supply-Open" mode. Y is a
14 Contact: source@cogentembedded.com
19 is separately set for "GND-Open" and "Supply-Open" modes.
33 Contact: source@cogentembedded.com
38 is separately set for "GND-Open" and "Supply-Open" modes.
/kernel/linux/patches/
DREADME.md1 # Patch<a name="EN-US_TOPIC_0000001078264110"></a>
3 - [Introduction](#section11660541593)
4 - [Directory Structure](#section21571344112)
5 - [Usage](#section1393789267)
6 - [Build](#section19369206113115)
7 - [Repositories Involved](#section27639463106)
11 Evolved from the open-source Linux kernel LTS 4.19.y and 5.10.y, the OpenHarmony Linux kernel has i…
13 …nel website](https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/log/?h=linux-4.19.y).
15 …nel website](https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/log/?h=linux-5.10.y).
28 │ ├── linux-4.19 # linux-4.19 patches
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/kernel/linux/linux-6.6/arch/powerpc/platforms/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 source "arch/powerpc/platforms/powernv/Kconfig"
5 source "arch/powerpc/platforms/pseries/Kconfig"
6 source "arch/powerpc/platforms/chrp/Kconfig"
7 source "arch/powerpc/platforms/512x/Kconfig"
8 source "arch/powerpc/platforms/52xx/Kconfig"
9 source "arch/powerpc/platforms/powermac/Kconfig"
10 source "arch/powerpc/platforms/maple/Kconfig"
11 source "arch/powerpc/platforms/pasemi/Kconfig"
12 source "arch/powerpc/platforms/ps3/Kconfig"
[all …]
/kernel/linux/linux-5.10/arch/powerpc/platforms/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 source "arch/powerpc/platforms/powernv/Kconfig"
5 source "arch/powerpc/platforms/pseries/Kconfig"
6 source "arch/powerpc/platforms/chrp/Kconfig"
7 source "arch/powerpc/platforms/512x/Kconfig"
8 source "arch/powerpc/platforms/52xx/Kconfig"
9 source "arch/powerpc/platforms/powermac/Kconfig"
10 source "arch/powerpc/platforms/maple/Kconfig"
11 source "arch/powerpc/platforms/pasemi/Kconfig"
12 source "arch/powerpc/platforms/ps3/Kconfig"
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/pinctrl/
Dpincfg-node.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/pincfg-node.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linus.walleij@linaro.org>
21 bias-disable:
25 bias-high-impedance:
27 description: high impedance mode ("third-state", "floating")
29 bias-bus-hold:
33 bias-pull-up:
[all …]
/kernel/linux/linux-5.10/drivers/pinctrl/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
35 bool "Axis ARTPEC-6 pin controller driver"
40 This is the driver for the Axis ARTPEC-6 pin controller. This driver
43 found in Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
52 functionality. This driver supports the pinmux, push-pull and
53 open drain configuration for the GPIO pins of AS3722 devices. It also
57 tristate "X-Powers AXP209 PMIC pinctrl and GPIO Support"
122 tristate "TI DA850/OMAP-L138/AM18XX pullup/pulldown groups"
127 Driver for TI DA850/OMAP-L138/AM18XX pinconf. Used to control
196 corresponding interrupt-controller.
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/pinctrl/
Dpincfg-node.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/pincfg-node.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linus.walleij@linaro.org>
21 bias-disable:
25 bias-high-impedance:
27 description: high impedance mode ("third-state", "floating")
29 bias-bus-hold:
33 bias-pull-up:
[all …]
/kernel/linux/linux-6.6/Documentation/arch/arc/
Darc.rst1 .. SPDX-License-Identifier: GPL-2.0
10 ARC processors and relevant open source projects.
12 - `<https://embarc.org>`_ - Community portal for open source on ARC.
16 - `<https://github.com/foss-for-synopsys-dwc-arc-processors>`_ -
17 Home for all development activities regarding open source projects for
21 as open source for use on ARC Processors.
23 - `Official Synopsys ARC Processors website
24 <https://www.synopsys.com/designware-ip/processor-solutions.html>`_ -
27 <https://www.synopsys.com/dw/doc.php/ds/cc/programmers-reference-manual-ARC-HS.pdf>`_)
29 <https://www.synopsys.com/cgi-bin/dwarcnsim/req1.cgi>`_ and
[all …]
/kernel/liteos_m/testsuites/unittest/posix/src/fs/api/
Dposix_fs_open_test.c2 * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without modification,
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
35 * @tc.name open
36 * @tc.desc [C- SOFTWARE -0200]
43 int32_t fd = open(tmpFileName, O_CREAT | O_RDWR, TEST_MODE_HIGH);
49 fd = open(tmpFileName, O_CREAT | O_RDWR, TEST_MODE_NORMAL);
63 * @tc.name open
64 * @tc.desc [C- SOFTWARE -0200]
71 int32_t fd = open(tmpFileName1, O_CREAT | O_RDWR);
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/power/reset/
Dgpio-restart.txt6 handler. If the optional properties 'open-source' is not found, the GPIO line
13 inactive->active edge condition, triggering positive edge triggered
14 reset. After a delay specified by active-delay, the GPIO is set to
15 inactive, thus causing an active->inactive edge, triggering negative edge
16 triggered reset. After a delay specified by inactive-delay, the GPIO
17 is driven active again. After a delay specified by wait-delay, the
21 - compatible : should be "gpio-restart".
22 - gpios : The GPIO to set high/low, see "gpios property" in
28 - open-source : Treat the GPIO as being open source and defer driving
31 - priority : A priority ranging from 0 to 255 (default 128) according to
[all …]
/kernel/linux/linux-6.6/Documentation/gpu/
Ddrm-uapi.rst9 addition, drivers export device-specific interfaces for use by userspace
10 drivers & device-aware applications through ioctls and sysfs files.
16 Cover generic ioctls and sysfs layout here. We only need high-level
22 .. kernel-doc:: drivers/gpu/drm/drm_ioctl.c
31 .. kernel-doc:: drivers/gpu/drm/drm_auth.c
34 .. kernel-doc:: drivers/gpu/drm/drm_auth.c
37 .. kernel-doc:: include/drm/drm_auth.h
46 .. kernel-doc:: drivers/gpu/drm/drm_lease.c
49 Open-Source Userspace Requirements
57 open-sourced userspace patches, and those patches must be reviewed and ready for
[all …]

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