uart4_sel 236 drivers/clk/imx/clk-imx7d.c static const char *uart4_sel[] = { "osc", "pll_sys_main_240m_clk", uart4_sel 547 drivers/clk/imx/clk-imx7d.c hws[IMX7D_UART4_ROOT_SRC] = imx_clk_hw_mux2("uart4_src", base + 0xb100, 24, 3, uart4_sel, ARRAY_SIZE(uart4_sel));