Add DT binding documentation for the Linux driver for the SiFive asynchronous serial IP block. Nothing too exotic.
Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: Greg Kroah-Hartman <[email protected]> Cc: Rob Herring <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Palmer Dabbelt <[email protected]> Reviewed-by: Palmer Dabbelt <[email protected]> Signed-off-by: Paul Walmsley <[email protected]> Signed-off-by: Paul Walmsley <[email protected]> --- .../bindings/serial/sifive-serial.txt | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/sifive-serial.txt diff --git a/Documentation/devicetree/bindings/serial/sifive-serial.txt b/Documentation/devicetree/bindings/serial/sifive-serial.txt new file mode 100644 index 000000000000..8982338512f5 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/sifive-serial.txt @@ -0,0 +1,21 @@ +SiFive asynchronous serial interface (UART) + +Required properties: + +- compatible: should be "sifive,fu540-c000-uart0" or "sifive,uart0" +- reg: address and length of the register space +- interrupt-parent: should contain a phandle pointing to the SoC interrupt + controller device node that the UART interrupts are connected to +- interrupts: Should contain the UART interrupt identifier +- clocks: Should contain a clock identifier for the UART's parent clock + + +Example: + +uart0: serial@10010000 { + compatible = "sifive,uart0"; + interrupt-parent = <&plic0>; + interrupts = <80>; + reg = <0x0 0x10010000 0x0 0x1000>; + clocks = <&prci PRCI_CLK_TLCLK>; +}; -- 2.19.1
