clk_parse_ofw_clk_name
error = clk_parse_ofw_clk_name(dev, node, &def.name);
clk_parse_ofw_clk_name(dev, ofw_bus_get_node(dev), &def->name);
clk_parse_ofw_clk_name(sc->dev, node, &org_name);
ret = clk_parse_ofw_clk_name(dev, node, &oclkname);
int clk_parse_ofw_clk_name(device_t dev, phandle_t node, const char **name);
rv = clk_parse_ofw_clk_name(dev, node, &def.clkdef.name);