);   clk = clk_register_gate(NULL, "uart0", "uart_mclk", 0, PERIP0_CLK_ENB,    UART0_CLK_ENB, 0, &_lock);  clk_register_clkdev(clk, NULL, "d0000000.serial");   clk = clk_register_gate(NULL, "uart0", "uart_mclk", 0, PERIP0_CLK_ENB,    UART0_CLK_ENB, 0, &_lock);  clk_register_clkdev(clk, NULL, "d0000000.serial");   clk = clk_register_