18c2ecf20Sopenharmony_ci* Microchip Universal Asynchronous Receiver Transmitter (UART) 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciRequired properties: 48c2ecf20Sopenharmony_ci- compatible: Should be "microchip,pic32mzda-uart" 58c2ecf20Sopenharmony_ci- reg: Should contain registers location and length 68c2ecf20Sopenharmony_ci- interrupts: Should contain interrupt 78c2ecf20Sopenharmony_ci- clocks: Phandle to the clock. 88c2ecf20Sopenharmony_ci See: Documentation/devicetree/bindings/clock/clock-bindings.txt 98c2ecf20Sopenharmony_ci- pinctrl-names: A pinctrl state names "default" must be defined. 108c2ecf20Sopenharmony_ci- pinctrl-0: Phandle referencing pin configuration of the UART peripheral. 118c2ecf20Sopenharmony_ci See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciOptional properties: 148c2ecf20Sopenharmony_ci- cts-gpios: CTS pin for UART 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ciExample: 178c2ecf20Sopenharmony_ci uart1: serial@1f822000 { 188c2ecf20Sopenharmony_ci compatible = "microchip,pic32mzda-uart"; 198c2ecf20Sopenharmony_ci reg = <0x1f822000 0x50>; 208c2ecf20Sopenharmony_ci interrupts = <112 IRQ_TYPE_LEVEL_HIGH>, 218c2ecf20Sopenharmony_ci <113 IRQ_TYPE_LEVEL_HIGH>, 228c2ecf20Sopenharmony_ci <114 IRQ_TYPE_LEVEL_HIGH>; 238c2ecf20Sopenharmony_ci clocks = <&rootclk PB2CLK>; 248c2ecf20Sopenharmony_ci pinctrl-names = "default"; 258c2ecf20Sopenharmony_ci pinctrl-0 = <&pinctrl_uart1 268c2ecf20Sopenharmony_ci &pinctrl_uart1_cts 278c2ecf20Sopenharmony_ci &pinctrl_uart1_rts>; 288c2ecf20Sopenharmony_ci cts-gpios = <&gpio1 15 0>; 298c2ecf20Sopenharmony_ci }; 30