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2012-01-12cpufreq: add clk-reg cpufreq driverRichard Zhao
The driver get cpu operation point table from device tree cpu0 node, and adjusts operating points using clk and regulator APIs. It support single core and multi-core ARM SoCs. But currently it assume all cores share the same frequency and voltage. Signed-off-by: Richard Zhao <richard.zhao@linaro.org>