Add snapshot of device tree bindings from keystone common kernel, branch "android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065 from e32903b9a63bb558df8b803b076619c53c16baad to android-mainline-keystone-qcom-release"). Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1 Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
22 lines
668 B
Plaintext
22 lines
668 B
Plaintext
NVIDIA Tegra 30 IOMMU H/W, SMMU (System Memory Management Unit)
|
|
|
|
Required properties:
|
|
- compatible : "nvidia,tegra30-smmu"
|
|
- reg : Should contain 3 register banks(address and length) for each
|
|
of the SMMU register blocks.
|
|
- interrupts : Should contain MC General interrupt.
|
|
- nvidia,#asids : # of ASIDs
|
|
- dma-window : IOVA start address and length.
|
|
- nvidia,ahb : phandle to the ahb bus connected to SMMU.
|
|
|
|
Example:
|
|
smmu {
|
|
compatible = "nvidia,tegra30-smmu";
|
|
reg = <0x7000f010 0x02c
|
|
0x7000f1f0 0x010
|
|
0x7000f228 0x05c>;
|
|
nvidia,#asids = <4>; /* # of ASIDs */
|
|
dma-window = <0 0x40000000>; /* IOVA start & length */
|
|
nvidia,ahb = <&ahb>;
|
|
};
|