Add information about how to set SMBIOS properties using the devicetree.
Signed-off-by: Simon Glass sjg@chromium.org ---
doc/arch/x86.rst | 8 +++++ doc/device-tree-bindings/board/board_x86.txt | 36 ++++++++++++++++++++ 2 files changed, 44 insertions(+) create mode 100644 doc/device-tree-bindings/board/board_x86.txt
diff --git a/doc/arch/x86.rst b/doc/arch/x86.rst index c6b70ce61a3..45f9ba308c7 100644 --- a/doc/arch/x86.rst +++ b/doc/arch/x86.rst @@ -740,6 +740,14 @@ Note that this is a development feature only. It is not intended for use in production environments. Also it is not currently part of the automated tests so may break in the future.
+SMBIOS tables +------------- + +To generate SMBIOS tables in U-Boot, for use by the OS, enable the +CONFIG_GENERATE_SMBIOS_TABLE option. The easiest way to provide the values to +use is via the device tree. For details see +device-tree-bindings/board/board_x86.txt + TODO List --------- - Audio diff --git a/doc/device-tree-bindings/board/board_x86.txt b/doc/device-tree-bindings/board/board_x86.txt new file mode 100644 index 00000000000..3766751896a --- /dev/null +++ b/doc/device-tree-bindings/board/board_x86.txt @@ -0,0 +1,36 @@ +x86 board driver +================ + +This driver allows providing board-specific features such as power control +GPIOs. In addition, the SMBIOS values can be specified in the device tree, +as below: + +An optional 'smbios' subnode can be used to provide these properties. + +Optional properties: + - manufacturer: Product manufacturer for system / baseboard + - product: Product name + - version: Product version string + - serial: Serial number for system (note that this can be overridden by + the serial# environment variable) + - sku: Product SKU (Stock-Keeping Unit) + - family: Product family + - asset-tag: Asset tag for the motherboard, sometimes used in organisations + to track devices + + +Example: + + board { + compatible = "google,coral"; + + smbios { + manufacturer = "Google"; + product = "Coral"; + version = "rev2"; + serial = "123456789"; + sku = "sku3"; + family = "Google_Coral"; + asset-tag = "ABC123"; + }; + };