diff options
Diffstat (limited to 'board/chromebook/snow/linux-4.3-dts-tpm.patch')
| -rw-r--r-- | board/chromebook/snow/linux-4.3-dts-tpm.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/board/chromebook/snow/linux-4.3-dts-tpm.patch b/board/chromebook/snow/linux-4.3-dts-tpm.patch new file mode 100644 index 000000000..4a9dd8557 --- /dev/null +++ b/board/chromebook/snow/linux-4.3-dts-tpm.patch @@ -0,0 +1,26 @@ +Some versions of u-boot for this Chromebook check for tpm node +in the device tree and fail badly (reboot) if it is not found. + +While not exactly correct, it is much easier to patch the mainline +device tree to match u-boot expectations than to fix u-boot on +this device. + +See https://code.google.com/p/chromium/issues/detail?id=220169 +and https://lkml.org/lkml/2013/3/4/242 + +Signed-off-by: Alex Suykov <alex.suykov@gmail.com> + +--- a/arch/arm/boot/dts/exynos5250-snow.dts ++++ b/arch/arm/boot/dts/exynos5250-snow.dts +@@ -474,6 +474,11 @@ + status = "okay"; + samsung,i2c-sda-delay = <100>; + samsung,i2c-max-bus-freq = <66000>; ++ ++ tpm { ++ compatible = "infineon,slb9635tt"; ++ reg = <0x20>; ++ }; + }; + + &i2c_5 { |