From 1d0bf7b9d308c01113eaead72a5578ca6fc01146 Mon Sep 17 00:00:00 2001 From: Sugaya Taichi Date: Wed, 27 Feb 2019 13:51:49 +0900 Subject: dt-bindings: sram: milbeaut: Add binding for Milbeaut smp-sram The Milbeaut M10V SoC needs a part of sram for smp, so this adds the M10V sram compatible and binding. Signed-off-by: Sugaya Taichi Reviewed-by: Rob Herring Signed-off-by: Arnd Bergmann --- .../devicetree/bindings/sram/milbeaut-smp-sram.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/sram/milbeaut-smp-sram.txt (limited to 'Documentation/devicetree/bindings/sram') diff --git a/Documentation/devicetree/bindings/sram/milbeaut-smp-sram.txt b/Documentation/devicetree/bindings/sram/milbeaut-smp-sram.txt new file mode 100644 index 000000000000..194f6a3c1c1e --- /dev/null +++ b/Documentation/devicetree/bindings/sram/milbeaut-smp-sram.txt @@ -0,0 +1,24 @@ +Milbeaut SRAM for smp bringup + +Milbeaut SoCs use a part of the sram for the bringup of the secondary cores. +Once they get powered up in the bootloader, they stay at the specific part +of the sram. +Therefore the part needs to be added as the sub-node of mmio-sram. + +Required sub-node properties: +- compatible : should be "socionext,milbeaut-smp-sram" + +Example: + + sram: sram@0 { + compatible = "mmio-sram"; + reg = <0x0 0x10000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x0 0x10000>; + + smp-sram@f100 { + compatible = "socionext,milbeaut-smp-sram"; + reg = <0xf100 0x20>; + }; + }; -- cgit v1.2.3