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Diffstat (limited to 'kernel/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt')
-rw-r--r-- | kernel/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt b/kernel/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt new file mode 100644 index 000000000..6b42fda30 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt @@ -0,0 +1,16 @@ +Rockchip SRAM for pmu: +------------------------------ + +The sram of pmu is used to store the function of resume from maskrom(the 1st +level loader). This is a common use of the "pmu-sram" because it keeps power +even in low power states in the system. + +Required node properties: +- compatible : should be "rockchip,rk3288-pmu-sram" +- reg : physical base address and the size of the registers window + +Example: + sram@ff720000 { + compatible = "rockchip,rk3288-pmu-sram", "mmio-sram"; + reg = <0xff720000 0x1000>; + }; |