device-tree-bindings/serial/snps-dw-apb-uart.txt

4 - compatible : "snps,dw-apb-uart"
5 - reg : offset and length of the register set for the device.
6 - interrupts : should contain uart interrupt.
10 - clock-frequency : the input clock frequency for the UART.
11 - clocks : phandle to the input clock
14 - clock-names: tuple listing input clock names.
18 - snps,uart-16550-compatible : reflects the value of UART_16550_COMPATIBLE
21 - resets : phandle to the parent reset controller.
22 - reg-shift : quantity to shift the register offsets by.  If this property is
24 - reg-io-width : the size (in bytes) of the IO accesses that should be
27 - dcd-override : Override the DCD modem status signal. This signal will always
30 - dsr-override : Override the DTS modem status signal. This signal will always
33 - cts-override : Override the CTS modem status signal. This signal will always
36 - ri-override : Override the RI modem status signal. This signal will always be
43 		compatible = "snps,dw-apb-uart";
45 		clock-frequency = <3686400>;
47 		reg-shift = <2>;
48 		reg-io-width = <4>;
49 		dcd-override;
50 		dsr-override;
51 		cts-override;
52 		ri-override;
58 		compatible = "snps,dw-apb-uart";
62 		reg-shift = <2>;
63 		reg-io-width = <4>;
69 		compatible = "snps,dw-apb-uart";
72 		clock-names = "baudclk", "apb_pclk";
74 		reg-shift = <2>;
75 		reg-io-width = <4>;