xref: /freebsd/sys/contrib/device-tree/Bindings/arm/tegra/nvidia,tegra20-ahb.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotNVIDIA Tegra AHB
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot- compatible : For Tegra20, must contain "nvidia,tegra20-ahb".  For
5*c66ec88fSEmmanuel Vadot  Tegra30, must contain "nvidia,tegra30-ahb".  Otherwise, must contain
6*c66ec88fSEmmanuel Vadot  '"nvidia,<chip>-ahb", "nvidia,tegra30-ahb"' where <chip> is tegra124,
7*c66ec88fSEmmanuel Vadot  tegra132, or tegra210.
8*c66ec88fSEmmanuel Vadot- reg : Should contain 1 register ranges(address and length).  For
9*c66ec88fSEmmanuel Vadot  Tegra20, Tegra30, and Tegra114 chips, the value must be <0x6000c004
10*c66ec88fSEmmanuel Vadot  0x10c>.  For Tegra124, Tegra132 and Tegra210 chips, the value should
11*c66ec88fSEmmanuel Vadot  be be <0x6000c000 0x150>.
12*c66ec88fSEmmanuel Vadot
13*c66ec88fSEmmanuel VadotExample (for a Tegra20 chip):
14*c66ec88fSEmmanuel Vadot	ahb: ahb@6000c004 {
15*c66ec88fSEmmanuel Vadot		compatible = "nvidia,tegra20-ahb";
16*c66ec88fSEmmanuel Vadot		reg = <0x6000c004 0x10c>; /* AHB Arbitration + Gizmo Controller */
17*c66ec88fSEmmanuel Vadot	};
18