Memory-region and flash phandle is not a required parameter, it is optional to describe in device tree and needed only use basis. Signed-off-by: Vijay Khemka <vijaykhemka@xxxxxx> --- Documentation/devicetree/bindings/mfd/aspeed-lpc.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt b/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt index 34dd89087cff..d28c4e117611 100644 --- a/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt +++ b/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt @@ -135,6 +135,9 @@ Required properties: - clocks: contains a phandle to the syscon node describing the clocks. There should then be one cell representing the clock to use +Optional properties: +These below properties are optional to define. + - memory-region: A phandle to a reserved_memory region to be used for the LPC to AHB mapping -- 2.17.1