Enable support for Tegra20 family

modulename: pm-tegra20.ko

and/or

board-paz00.ko

and/or

clk-tegra20.ko

and/or

clk-tegra20-emc.ko

and/or

fuse-tegra20.ko

and/or

speedo-tegra20.ko

configname: CONFIG_ARCH_TEGRA_2x_SOC

Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>Enable support for Tegra20 family
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
Support for NVIDIA Tegra AP20 and T20 processors, based on the
ARM CortexA9MP CPU and the ARM PL310 L2 cache controller

source code:
/arch/arm/mach-tegra/pm-tegra20.c