This GPIO is used on the rainier system to indicate the BMC was reset due to a physical pinhole reset. See the following doc for more information: https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.md Signed-off-by: Andrew Geissler <geissonator@xxxxxxxxx> --- arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts index cfaa606666e2..7ea70c7d698f 100644 --- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts @@ -247,7 +247,8 @@ &gpio0 { /*C0-C7*/ "","","","","","","","", /*D0-D7*/ "","","","","","","","", /*E0-E7*/ "","","","","","","","", - /*F0-F7*/ "","","battery-voltage-read-enable","","","","factory-reset-toggle","", + /*F0-F7*/ "","","battery-voltage-read-enable","reset-cause-pinhole","","", + "factory-reset-toggle","", /*G0-G7*/ "","","","","","","","", /*H0-H7*/ "","bmc-ingraham0","rear-enc-id0","rear-enc-fault0","","","","", /*I0-I7*/ "","","","","","","bmc-secure-boot","", -- 2.25.1
