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 <sugaya.taichi@socionext.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Milbeaut SRAM for smp bringup
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Milbeaut SoCs use a part of the sram for the bringup of the secondary cores.
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Once they get powered up in the bootloader, they stay at the specific part
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of the sram.
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Therefore the part needs to be added as the sub-node of mmio-sram.
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Required sub-node properties:
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- compatible : should be "socionext,milbeaut-smp-sram"
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Example:
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sram: sram@0 {
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compatible = "mmio-sram";
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reg = <0x0 0x10000>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0 0x0 0x10000>;
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smp-sram@f100 {
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compatible = "socionext,milbeaut-smp-sram";
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reg = <0xf100 0x20>;
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};
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};
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