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* tpm: cr50: Use the correct GPIO bindingSimon Glass2020-04-161-1/+1
| | | | | | | This device should use ready-gpios rather than ready-gpio. Fix it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
* x86: Add support for ACPI general-purpose eventsSimon Glass2020-02-071-0/+30
ACPI GPEs are used to signal interrupts from peripherals that are accessed via ACPI. In U-Boot these are modelled as interrupts using a separate interrupt controller. Configuration is via the device tree. Add a simple driver for this. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>