[coreboot-gerrit] Change in coreboot[master]: mb/system76/lemp9: enable TPM2

[Jeremy Soller (Code Review)]

Jeremy Soller has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/43626 )

Change subject: mb/system76/lemp9: enable TPM2
......................................................................

mb/system76/lemp9: enable TPM2

Tested on lemp9, TPM2 shows up in coreboot console

Signed-off-by: Jeremy Soller 
Change-Id: I7878c8806c453369bc14d69ecd2bf2533d8821d9
---
M src/mainboard/system76/lemp9/Kconfig
M src/mainboard/system76/lemp9/devicetree.cb
M src/mainboard/system76/lemp9/gpio.h
3 files changed, 8 insertions(+), 14 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/26/43626/1

diff --git a/src/mainboard/system76/lemp9/Kconfig b/src/mainboard/system76/lemp9/Kconfig
index c606d91..8286ba3 100644
--- a/src/mainboard/system76/lemp9/Kconfig
+++ b/src/mainboard/system76/lemp9/Kconfig
@@ -11,9 +11,8 @@
    select GENERIC_SPD_BIN
    select INTEL_GMA_HAVE_VBT
    select INTEL_LPSS_UART_FOR_CONSOLE
-# Chip select 2 is not yet supported by intel fast_spi
-#	select MAINBOARD_HAS_SPI_TPM_CR50
-#	select MAINBOARD_HAS_TPM2
+	select MAINBOARD_HAS_LPC_TPM
+	select MAINBOARD_HAS_TPM2
    select NO_UART_ON_SUPERIO
    select SOC_INTEL_COMETLAKE
    select SOC_INTEL_COMMON_BLOCK_HDA
@@ -90,13 +89,4 @@
    bool
    default n

-# Chip select 2 is not yet supported by intel fast_spi
-#config DRIVER_TPM_SPI_BUS
-#	hex
-#	default 0x0
-#
-#config DRIVER_TPM_SPI_CHIP
-#	int
-#	default 2
-
 endif
diff --git a/src/mainboard/system76/lemp9/devicetree.cb b/src/mainboard/system76/lemp9/devicetree.cb
index 8d77aa9..2ad0904 100644
--- a/src/mainboard/system76/lemp9/devicetree.cb
+++ b/src/mainboard/system76/lemp9/devicetree.cb
@@ -259,7 +259,11 @@
    	device pci 1e.1 off end # UART #1
    	device pci 1e.2 off end # GSPI #0
    	device pci 1e.3 off end # GSPI #1
-		device pci 1f.0 on  end # LPC Interface
+		device pci 1f.0 on # LPC Interface
+			chip drivers/pc80/tpm
+				device pnp 0c31.0 on end
+			end
+		end
    	device pci 1f.1 off end # P2SB
    	device pci 1f.2 off end # Power Management Controller
    	device pci 1f.3 on  end # Intel HDA
diff --git a/src/mainboard/system76/lemp9/gpio.h b/src/mainboard/system76/lemp9/gpio.h
index e71197c..881bd36 100644
--- a/src/mainboard/system76/lemp9/gpio.h
+++ b/src/mainboard/system76/lemp9/gpio.h
@@ -76,7 +76,7 @@
    	PAD_CFG_NF(GPP_A6, NONE, DEEP, NF1),

// GSPI0
-		// TODO - TPM_PIRQ#
+		// TPM_PIRQ#
    	PAD_CFG_NC(GPP_A7),

// LPC