Commit a3034e89 authored Jul 27, 2021 by Joel Stanley

ARM: dts: rainier, everest: Add TPM reset GPIO



The GPIO is used to place the BMC-connected TPM in reset. This state is
latched until the BMC is next reset, blocking access to the TPM for that
boot.

On both machines this net is called TPM_RESET_LATCH_B.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210727033319.473152-2-joel@jms.id.au

parent 00e9e776

arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts

+1 −1

Original line number	Diff line number	Diff line
		@@ -253,7 +253,7 @@
		/O0-O7/ "","","","","","","","",
		/P0-P7/ "","","","","led-pcieslot-power","","","",
		/Q0-Q7/ "","","","","","","","",
		/R0-R7/ "","","","","","I2C_FLASH_MICRO_N","","",
		/R0-R7/ "bmc-tpm-reset","","","","","I2C_FLASH_MICRO_N","","",
		/S0-S7/ "","","","","","","","",
		/T0-T7/ "","","","","","","","",
		/U0-U7/ "","","","","","","","",

arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts

+1 −1

Original line number	Diff line number	Diff line
		@@ -271,7 +271,7 @@
		/O0-O7/ "","","","usb-power","","","","",
		/P0-P7/ "","","","","pcieslot-power","","","",
		/Q0-Q7/ "cfam-reset","","","","","","","",
		/R0-R7/ "","","","","","","","",
		/R0-R7/ "bmc-tpm-reset","","","","","","","",
		/S0-S7/ "presence-ps0","presence-ps1","presence-ps2","presence-ps3",
		"","","","",
		/T0-T7/ "","","","","","","","",