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* reset: raspberrypi: Release firmware handle on unbindNicolas Saenz Julienne2021-03-221-1/+1
| | | | | | | | Use devm_rpi_firmware_get() so as to make sure we release RPi's firmware interface when unbinding the device. Signed-off-by: Nicolas Saenz Julienne <[email protected]> Reviewed-by: Florian Fainelli <[email protected]>
* reset: Add Raspberry Pi 4 firmware reset controllerNicolas Saenz Julienne2020-08-181-0/+122
Raspberry Pi 4's co-processor controls some of the board's HW initialization process, but it's up to Linux to trigger it when relevant. Introduce a reset controller capable of interfacing with RPi4's co-processor that models these firmware initialization routines as reset lines. Reviewed-by: Florian Fainelli <[email protected]> Reviewed-by: Philipp Zabel <[email protected]> Signed-off-by: Nicolas Saenz Julienne <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>