Lines Matching +full:wi +full:- +full:fi
1 .. SPDX-License-Identifier: GPL-2.0
13 that are accessed through memory-mapped registers.
15 In order to support this and re-use the existing drivers as much as
18 - Devices that have no bus connector resource are represented as
21 - Devices behind real busses where there is a connector resource
33 This means that when ACPI_HANDLE(dev) returns non-NULL the device was
35 device-specific configuration. There is an example of this below.
42 for the device and add supported ACPI IDs. If this same IP-block is used on
43 some other non-ACPI platform, the driver might work out of the box or needs
201 "byte-len", 1024,
202 "addr-mode", 2,
203 "page-size, 32
220 status = acpi_evaluate_object(ACPI_HANDLE(&spi->dev), "_DSM",
272 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
274 Package () { "compatible", Package () { "pwm-leds" } },
275 Package () { "label", "alarm-led" },
289 In the above example the PWM-based LED driver references to the PWM channel 0
337 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
340 Package () {"power-gpios", Package() {^DEV, 0, 0, 0 }},
341 Package () {"irq-gpios", Package() {^DEV, 1, 0, 0 }},
351 Documentation/admin-guide/gpio/.
374 See Documentation/firmware-guide/acpi/gpio-properties.rst for more information
385 - The children share the parent ACPI handle.
386 - The MFD cell can specify the ACPI id of the device.
429 6.0). For non-enumerable bus types that object must be _HID and its value must
433 existing DT-compatible device identification in ACPI and to satisfy the above
456 For example, the following ACPI sample might be used to enumerate an lm75-type
464 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
495 Refer to Documentation/firmware-guide/acpi/DSD-properties-rules.rst for more
505 in a fixed position (ethernet, Wi-Fi, serial ports, etc.). In this conditions it
515 16 GPIOs and we want to add the property ``gpio-line-names`` [1] to these pins.
534 07:00.0 Serial controller: Exar Corp. XR17V3521 Dual PCIe UART (rev 03) <-- Exar
539 -[0000:00]-+-00.0
541 +-13.0-[01]----00.0
542 +-13.1-[02]----00.0
543 +-13.2-[03]--
544 +-14.0-[04]----00.0
545 +-14.1-[05-09]----00.0-[06-09]--+-01.0-[07]----00.0 <-- Exar
546 | +-02.0-[08]----00.0
547 | \-03.0-[09]--
549 \-1f.1
554 Bus: 0 - Device: 14 - Function: 1
562 acpixtract -a acpidump
563 iasl -e ssdt?.* -d dsdt.dat
609 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
614 "gpio-line-names",
644 [1] Documentation/firmware-guide/acpi/gpio-properties.rst
646 [2] Documentation/admin-guide/acpi/initrd_table_override.rst
648 [3] ACPI Specifications, Version 6.3 - Paragraph 6.1.1 _ADR Address)
650 referenced 2020-11-18