1Some versions of u-boot for this Chromebook check for tpm node 2in the device tree and fail badly (reboot) if it is not found. 3 4While not exactly correct, it is much easier to patch the mainline 5device tree to match u-boot expectations than to fix u-boot on 6this device. 7 8See https://code.google.com/p/chromium/issues/detail?id=220169 9and https://lkml.org/lkml/2013/3/4/242 10 11Signed-off-by: Alex Suykov <alex.suykov@gmail.com> 12 13--- a/arch/arm/boot/dts/exynos5250-snow-common.dtsi 14+++ b/arch/arm/boot/dts/exynos5250-snow-common.dtsi 15@@ -466,6 +466,11 @@ 16 status = "okay"; 17 samsung,i2c-sda-delay = <100>; 18 samsung,i2c-max-bus-freq = <66000>; 19+ 20+ tpm { 21+ compatible = "infineon,slb9635tt"; 22+ reg = <0x20>; 23+ }; 24 }; 25 26 &i2c_5 { 27 28