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Date: Fri, 8 Feb 2019 21:25:33 +0900 From: Sugaya Taichi <sugaya.taichi@...ionext.com> To: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Cc: Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Takao Orito <orito.takao@...ionext.com>, Kazuhiro Kasai <kasai.kazuhiro@...ionext.com>, Shinji Kanematsu <kanematsu.shinji@...ionext.com>, Jassi Brar <jaswinder.singh@...aro.org>, Masami Hiramatsu <masami.hiramatsu@...aro.org>, Sugaya Taichi <sugaya.taichi@...ionext.com> Subject: [PATCH v2 01/15] 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@...ionext.com> --- .../devicetree/bindings/sram/milbeaut-smp-sram.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/sram/milbeaut-smp-sram.txt 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 0000000..194f6a3 --- /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@...0 { + compatible = "socionext,milbeaut-smp-sram"; + reg = <0xf100 0x20>; + }; + }; -- 1.9.1
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