From mboxrd@z Thu Jan 1 00:00:00 1970 From: frowand.list@gmail.com (Frank Rowand) Date: Wed, 18 Mar 2015 20:33:22 -0700 Subject: [patch 2/7] dt: dtb version: document chosen/dtb-info node binding In-Reply-To: <550A42AC.8060104@gmail.com> References: <550A42AC.8060104@gmail.com> Message-ID: <550A4382.4030209@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Frank Rowand Add /chosen/dtb-node binding. Signed-off-by: Frank Rowand --- Documentation/devicetree/bindings/chosen.txt | 37 +++++++++++ Index: b/Documentation/devicetree/bindings/chosen.txt =================================================================== --- a/Documentation/devicetree/bindings/chosen.txt +++ b/Documentation/devicetree/bindings/chosen.txt @@ -46,6 +46,43 @@ on PowerPC "stdout" if "stdout-path" is should only use the "stdout-path" property. +dtb-info node +---------------- + +Information that describes where the device tree blob (DTB) came from and the +environment it was created in. + +This node is normally created by including arch/arm/boot/dts/skeleton.dtsi, +which includes include/dt-bindings/version.dtsi. + +Properties: + +version + The version of the DTB. This is analagous to the linux kernel version. + + This is a format free field intended for human consumption. User space + programs should not have any expections about this property. + + The DTB number in this property is incremented each time a make that + creates one or more DTBs is invoked. If the make creates multiple + DTBs then this number is only incremented once. + + The DTB number is stored in file .version_dtb. + +version-linux + The version of the linux kernel most recently built in the source + control system that contains the source used to build the DTB. + + The linux kernel version number is not incremented for a make that + creates a DTB. + +dtb-path + The build directory relative path of the DTB. + +dts-path + The absolute path of the .dts file compiled to create the DTB. + + Properties documented in other bindings --------------------------------------- #address-cells video/simple-framebuffer-sunxi.txt