From c82b4dba25c7dd049e524f27e78719070807cab3 Mon Sep 17 00:00:00 2001
From: Alex Gonzalez <alexg@balena.io>
Date: Tue, 30 May 2023 19:56:16 +0200
Subject: [PATCH] linux-compulab: Add TPM support

When TPM support enabled the following devices are available:
/dev/tpm0
/dev/tpmrm0

Fixes: #312

Changelog-entry: Add TPM kernel module support
Signed-off-by: Alex Gonzalez <alexg@balena.io>
---
 .../linux/linux-compulab_5.10.%.bbappend             | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/layers/meta-balena-imx8mm/recipes-kernel/linux/linux-compulab_5.10.%.bbappend b/layers/meta-balena-imx8mm/recipes-kernel/linux/linux-compulab_5.10.%.bbappend
index a4b12ad6..a5d209dc 100644
--- a/layers/meta-balena-imx8mm/recipes-kernel/linux/linux-compulab_5.10.%.bbappend
+++ b/layers/meta-balena-imx8mm/recipes-kernel/linux/linux-compulab_5.10.%.bbappend
@@ -19,4 +19,16 @@ BALENA_CONFIGS[ath10k] = " \
     CONFIG_ATH10K_PCI=m \
 "
 
+BALENA_CONFIGS_append = " tpm"
+BALENA_CONFIGS_DEPS[tpm] = " \
+    CONFIG_HW_RANDOM_TPM=y \
+    CONFIG_SECURITYFS=y \
+"
+BALENA_CONFIGS[tpm] = " \
+    CONFIG_TCG_TPM=m \
+    CONFIG_TCG_TIS_CORE=m \
+    CONFIG_TCG_TIS=m \
+    CONFIG_TCG_CRB=m \
+"
+
 SCMVERSION="n"