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-SiFive asynchronous serial interface (UART)
-
-Required properties:
-
-- compatible: should be something similar to
- "sifive,<chip>-uart" for the UART as integrated
- on a particular chip, and "sifive,uart<version>" for the
- general UART IP block programming model. Supported
- compatible strings as of the date of this writing are:
- "sifive,fu540-c000-uart" for the SiFive UART v0 as
- integrated onto the SiFive FU540 chip, or "sifive,uart0"
- for the SiFive UART v0 IP block with no chip integration
- tweaks (if any)
-- reg: address and length of the register space
-- interrupts: Should contain the UART interrupt identifier
-- clocks: Should contain a clock identifier for the UART's parent clock
-
-
-UART HDL that corresponds to the IP block version numbers can be found
-here:
-
-https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/uart
-
-
-Example:
-
-uart0: serial@10010000 {
- compatible = "sifive,fu540-c000-uart", "sifive,uart0";
- interrupt-parent = <&plic0>;
- interrupts = <80>;
- reg = <0x0 0x10010000 0x0 0x1000>;
- clocks = <&prci PRCI_CLK_TLCLK>;
-};