3 Commits

Author	SHA1	Message	Date
Andrew Turner	15fe2adacb	Move the pl061 acpi attachment earlier ... As the pl061 driver can be an interrupt controller attach it earlier in the boot so other drivers can use it. Use a new GPIO xref to not conflict with the existing root interrupt controller. Sponsored by: Innovate UK	2020-09-10 14:58:46 +00:00
Andrew Turner	128e746c6a	Switch the name of the pl061 driver to gpio ... We need it to be named gpio for gpiobus to work. Sponsored by: Innovate UK	2020-09-10 09:50:43 +00:00
Andrew Turner	1fc1a22868	Add a GPIO driver for the Arm pl061 controller ... A PL061 is a simple 8 pin GPIO controller. This GPIO device is used to signal an internal request for shutdown on some virtual machines including Arm-based Amazon EC2 instances. Submitted by: Ali Saidi <alisaidi_amazon.com> (previouss version) Reviewed by: Ali Saidi, manu Differential Revision: https://reviews.freebsd.org/D24065	2020-09-08 11:35:35 +00:00