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| author | Stefan Wahren <stefan.wahren@i2se.com> | 2018-12-07 19:21:11 +0100 |
|---|---|---|
| committer | Stefan Wahren <stefan.wahren@i2se.com> | 2019-01-09 16:38:34 +0100 |
| commit | b80ec7c0ef8de5d04b893310ecae29219143a454 (patch) | |
| tree | 5f38da1e54fe83e3ee497907aff1ca6d740d5ceb /Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.txt | |
| parent | c6275e4b12bfb53097bca852dd49c15b1af50cb4 (diff) | |
firmware: raspberrypi: notify VC4 firmware of a reboot
The firmware-owned GPIO expander on RPi 3 B+ must be in same state
after a reboot as initial power on. Otherwise this would cause a
network boot failure of the BOOTROM. So inform the VC4 firmware to restore
the expander before doing a reboot.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Phil Elwell <phil@raspberrypi.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.txt')
0 files changed, 0 insertions, 0 deletions