xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/serial/brcm,bcm6345-uart.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun* BCM63xx UART
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
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5*4882a593Smuzhiyun- compatible: "brcm,bcm6345-uart"
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7*4882a593Smuzhiyun- reg: The base address of the UART register bank.
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun- interrupts: A single interrupt specifier.
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11*4882a593Smuzhiyun- clocks: Clock driving the hardware; used to figure out the baud rate
12*4882a593Smuzhiyun  divisor.
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15*4882a593SmuzhiyunOptional properties:
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17*4882a593Smuzhiyun- clock-names: Should be "refclk".
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19*4882a593SmuzhiyunExample:
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21*4882a593Smuzhiyun	uart0: serial@14e00520 {
22*4882a593Smuzhiyun		compatible = "brcm,bcm6345-uart";
23*4882a593Smuzhiyun		reg = <0x14e00520 0x18>;
24*4882a593Smuzhiyun		interrupt-parent = <&periph_intc>;
25*4882a593Smuzhiyun		interrupts = <2>;
26*4882a593Smuzhiyun		clocks = <&periph_clk>;
27*4882a593Smuzhiyun		clock-names = "refclk";
28*4882a593Smuzhiyun	};
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun	clocks {
31*4882a593Smuzhiyun		periph_clk: periph_clk@0 {
32*4882a593Smuzhiyun			compatible = "fixed-clock";
33*4882a593Smuzhiyun			#clock-cells = <0>;
34*4882a593Smuzhiyun			clock-frequency = <54000000>;
35*4882a593Smuzhiyun		};
36*4882a593Smuzhiyun	};
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