ALCHEMY_SYSBUS_CLK
c = alchemy_clk_setup_periph(ALCHEMY_SYSBUS_CLK);
c = alchemy_clk_setup_mem(ALCHEMY_SYSBUS_CLK, ctype);
c = clk_register_fixed_factor(NULL, ALCHEMY_SYSBUS_CLK,
clk_register_clkdev(c, ALCHEMY_SYSBUS_CLK, NULL);