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-* Samsung's UART Controller
-
-The Samsung's UART controller is used for interfacing SoC with serial
-communicaion devices.
-
-Required properties:
-- compatible: should be one of following:
- - "samsung,exynos4210-uart" - Exynos4210 SoC,
- - "samsung,s3c2410-uart" - compatible with ports present on S3C2410 SoC,
- - "samsung,s3c2412-uart" - compatible with ports present on S3C2412 SoC,
- - "samsung,s3c2440-uart" - compatible with ports present on S3C2440 SoC,
- - "samsung,s3c6400-uart" - compatible with ports present on S3C6400 SoC,
- - "samsung,s5pv210-uart" - compatible with ports present on S5PV210 SoC.
-
-- reg: base physical address of the controller and length of memory mapped
- region.
-
-- interrupts: a single interrupt signal to SoC interrupt controller,
- according to interrupt bindings documentation [1].
-
-- clock-names: input names of clocks used by the controller:
- - "uart" - controller bus clock,
- - "clk_uart_baudN" - Nth baud base clock input (N = 0, 1, ...),
- according to SoC User's Manual (only N = 0 is allowedfor SoCs without
- internal baud clock mux).
-- clocks: phandles and specifiers for all clocks specified in "clock-names"
- property, in the same order, according to clock bindings documentation [2].
-
-[1] Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
-[2] Documentation/devicetree/bindings/clock/clock-bindings.txt
-
-Optional properties:
-- samsung,uart-fifosize: The fifo size supported by the UART channel
-
-Note: Each Samsung UART should have an alias correctly numbered in the
-"aliases" node, according to serialN format, where N is the port number
-(non-negative decimal integer) as specified by User's Manual of respective
-SoC.
-
-Example:
- aliases {
- serial0 = &uart0;
- serial1 = &uart1;
- serial2 = &uart2;
- };
-
-Example:
- uart1: serial@7f005400 {
- compatible = "samsung,s3c6400-uart";
- reg = <0x7f005400 0x100>;
- interrupt-parent = <&vic1>;
- interrupts = <6>;
- clock-names = "uart", "clk_uart_baud2",
- "clk_uart_baud3";
- clocks = <&clocks PCLK_UART1>, <&clocks PCLK_UART1>,
- <&clocks SCLK_UART>;
- samsung,uart-fifosize = <16>;
- };