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Commit 163f2cea authored by Jason Cooper's avatar Jason Cooper
Browse files

ARM: kirkwood: fdt: define uart[01] as disabled, enable uart0 



Define both uarts in kirkwood.dtsi as they are common to all kirkwood
SoCs.  Each board may enable all or none of them, so they are disabled
by default.  uart0 is enabled for the dreamplug.

tclk can vary for each board, so we leave it undefined in the kirkwood
dtsi.  Each board can then set it as appropriate when enabling the uart.

Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent 6fa6b878

arch/arm/boot/dts/kirkwood-dreamplug.dts

+5 −6
Original line number Diff line number Diff line
@@ -15,11 +15,10 @@ 
		bootargs = "console=ttyS0,115200n8 earlyprintk";

	};



	serial@f1012000 {

		compatible = "ns16550a";

		reg = <0xf1012000 0x100>;

		reg-shift = <2>;

		interrupts = <33>;

	ocp@f1000000 {

		serial@12000 {

			clock-frequency = <200000000>;

			status = "ok";

		};

	};

};

arch/arm/boot/dts/kirkwood.dtsi

+25 −1
Original line number Diff line number Diff line
@@ -2,5 +2,29 @@ 


/ {

	compatible = "mrvl,kirkwood";



	ocp@f1000000 {

		compatible = "simple-bus";

		ranges = <0 0xf1000000 0x1000000>;

		#address-cells = <1>;

		#size-cells = <1>;



		serial@12000 {

			compatible = "ns16550a";

			reg = <0x12000 0x100>;

			reg-shift = <2>;

			interrupts = <33>;

			/* set clock-frequency in board dts */

			status = "disabled";

		};



		serial@12100 {

			compatible = "ns16550a";

			reg = <0x12100 0x100>;

			reg-shift = <2>;

			interrupts = <34>;

			/* set clock-frequency in board dts */

			status = "disabled";

		};

	};

};