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Add a GPIO driver for the Intel Tiger Lake-H platform based on the generic
intelgpio framework. The driver defines five GPIO communities with pad groups
GPP_A through GPP_K, vGPIO and JTAG, and matches ACPI hardware ID INT34C6.
The kernel module build infrastructure and the wiring into files.x86 are
included.
Reviewed by: vexeduxr
MFC after: 1 week
Sponsored by: Beckhoff Automation GmbH & Co. KG
Pull Request: https://github.com/freebsd/freebsd-src/pull/2205
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Add a GPIO driver for the Intel Alder Lake-N platform based on the generic
intelgpio framework. The driver provides pad group definitions for four GPIO
communities covering groups GPP_A through GPP_T, vGPIO and HVCMOS, and matches
ACPI hardware IDs INTC1056, INTC1057 and INTC1085. The kernel module build
infrastructure and the wiring into files.x86 are included.
Reviewed by: vexeduxr
MFC after: 1 week
Sponsored by: Beckhoff Automation GmbH & Co. KG
Pull Request: https://github.com/freebsd/freebsd-src/pull/2205
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Add a platform-independent driver framework for Intel GPIO pin controllers
found on modern Intel SoCs. The driver accesses GPIO pad registers through
ACPI-provided memory-mapped resources and implements the gpio interface [1]
including pin enumeration, capability reporting, configuration, and
read/write/toggle operations. A common data model of communities and pad groups
allows individual SoC-specific drivers to supply their own pad tables and ACPI
hardware IDs while sharing all register-level logic.
[1] https://wiki.freebsd.org/GPIO
Reviewed by: vexeduxr
MFC after: 1 week
Sponsored by: Beckhoff Automation GmbH & Co. KG
Pull Request: https://github.com/freebsd/freebsd-src/pull/2205
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