From 8d4f643c66fcda5b7e427e5ae82a26bc7b74f77d Mon Sep 17 00:00:00 2001
From: Jared Baur <jaredbaur@fastmail.com>
Date: Sun, 23 Apr 2023 19:30:36 -0700
Subject: [PATCH] linux: enable CR50 TPM found on chromebooks

Along with other ChromeOS related configs, this change
enables TPM support for Chromebook/Chromebox devices.
---
 pkgs/os-specific/linux/kernel/common-config.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index e6eff416a770..2083fe3e6071 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -1024,6 +1024,8 @@ let
       CROS_EC_ISHTP = module;
 
       CROS_KBD_LED_BACKLIGHT = module;
+
+      TCG_TIS_SPI_CR50 = whenAtLeast "5.5" yes;
     } // optionalAttrs (versionAtLeast version "5.4" && stdenv.hostPlatform.system == "x86_64-linux") {
       CHROMEOS_LAPTOP = module;
       CHROMEOS_PSTORE = module;