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配置node可以根据compatible,在kernel/Documentation/devicetree/bindings中查到说明,
或在 kernel/drivers/tty/serial/ 早到驱动代码。例如:
v2m_serial0: uart@090000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x090000 0x1000>; interrupts = <5>; clocks = <&v2m_clk24mhz>, <&v2m_clk24mhz>; clock-names = "uartclk", "apb_pclk"; };
#<path to sdk> cd kernel cd Documentation/devicetree/bindings/ grep "arm,pl011" -rn *
#<path to sdk> cd kernel/drivers/tty/serial/ grep "arm,pl011" -rn *