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author | Sugaya Taichi <sugaya.taichi@socionext.com> | 2019-02-27 13:51:49 +0900 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2019-03-01 15:18:26 +0100 |
commit | 1d0bf7b9d308c01113eaead72a5578ca6fc01146 (patch) | |
tree | 479f5d645ff20fd347c13bd53e74669e57c4f718 /Documentation/devicetree/bindings/sram | |
parent | 49a57857aeea06ca831043acbb0fa5e0f50602fd (diff) | |
download | linux-1d0bf7b9d308c01113eaead72a5578ca6fc01146.tar.bz2 |
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>
Diffstat (limited to 'Documentation/devicetree/bindings/sram')
-rw-r--r-- | Documentation/devicetree/bindings/sram/milbeaut-smp-sram.txt | 24 |
1 files changed, 24 insertions, 0 deletions
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>; + }; + }; |