ARM: dts: aspeed: rainer: Add RTC battery gpio name

This is the documented name used for OpenBMC systems:

 https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.md#rtc-battery-voltage-read-enable

Link: https://lore.kernel.org/r/20220222041559.68651-2-joel@jms.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 63d3e7b957e23ac652f03acde396dbd4e0161b28..40958da2745ecb6e7f9891ca7509cad7280fc366 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -250,7 +250,7 @@
        /*C0-C7*/       "","","","","","","","",
        /*D0-D7*/       "","","","","","","","",
        /*E0-E7*/       "","","","","","","","",
-       /*F0-F7*/       "","","","reset-cause-pinhole","","","factory-reset-toggle","",
+       /*F0-F7*/       "","","rtc-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","",