mb/protectli/vault_cml: Enable FP_RST button signal GPIO input#898
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philipanda wants to merge 1 commit into
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mb/protectli/vault_cml: Enable FP_RST button signal GPIO input#898philipanda wants to merge 1 commit into
philipanda wants to merge 1 commit into
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The button sits on a single function pin of the IT8786. Enabled the chip's GPIO block in devicetree.cb, and configured the GP80 pin as an input in bootblock. Mapped to /dev/port at `0xa07` bit `2`. Upstream-Status: Inappropriate [Dasharo downstream] Signed-off-by: Filip Gołaś <filip.golas@3mdeb.com>
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Tested on openwrt: release, press, release, press root@OpenWrt:~# dd if=/dev/port bs=1 count=1 skip=$((0xa07)) | hexdump
1+0 records in
1+0 records out
0000000 0003
0000001
root@OpenWrt:~# dd if=/dev/port bs=1 count=1 skip=$((0xa07)) | hexdump
1+0 records in
1+0 records out
0000000 0002
0000001
root@OpenWrt:~# dd if=/dev/port bs=1 count=1 skip=$((0xa07)) | hexdump
1+0 records in
1+0 records out
0000000 0003
0000001
root@OpenWrt:~# dd if=/dev/port bs=1 count=1 skip=$((0xa07)) | hexdump
1+0 records in
1+0 records out
0000000 0002
0000001 |
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The button sits on a single function pin of the IT8786.
Enabled the chip's GPIO block in devicetree.cb, and
configured the GP80 pin as an input in bootblock.
Mapped to /dev/port at
0xa07bit2.Upstream-Status: Inappropriate [Dasharo downstream]