1c66ec88fSEmmanuel Vadot* MediaTek Universal Asynchronous Receiver/Transmitter (UART) 2c66ec88fSEmmanuel Vadot 3c66ec88fSEmmanuel VadotRequired properties: 4c66ec88fSEmmanuel Vadot- compatible should contain: 5c66ec88fSEmmanuel Vadot * "mediatek,mt2701-uart" for MT2701 compatible UARTS 6c66ec88fSEmmanuel Vadot * "mediatek,mt2712-uart" for MT2712 compatible UARTS 7c66ec88fSEmmanuel Vadot * "mediatek,mt6580-uart" for MT6580 compatible UARTS 8c66ec88fSEmmanuel Vadot * "mediatek,mt6582-uart" for MT6582 compatible UARTS 9c66ec88fSEmmanuel Vadot * "mediatek,mt6589-uart" for MT6589 compatible UARTS 10c66ec88fSEmmanuel Vadot * "mediatek,mt6755-uart" for MT6755 compatible UARTS 11c66ec88fSEmmanuel Vadot * "mediatek,mt6765-uart" for MT6765 compatible UARTS 12c66ec88fSEmmanuel Vadot * "mediatek,mt6779-uart" for MT6779 compatible UARTS 13c66ec88fSEmmanuel Vadot * "mediatek,mt6795-uart" for MT6795 compatible UARTS 14c66ec88fSEmmanuel Vadot * "mediatek,mt6797-uart" for MT6797 compatible UARTS 15c66ec88fSEmmanuel Vadot * "mediatek,mt7622-uart" for MT7622 compatible UARTS 16c66ec88fSEmmanuel Vadot * "mediatek,mt7623-uart" for MT7623 compatible UARTS 17c66ec88fSEmmanuel Vadot * "mediatek,mt7629-uart" for MT7629 compatible UARTS 18354d7675SEmmanuel Vadot * "mediatek,mt7986-uart", "mediatek,mt6577-uart" for MT7986 compatible UARTS 19c66ec88fSEmmanuel Vadot * "mediatek,mt8127-uart" for MT8127 compatible UARTS 20c66ec88fSEmmanuel Vadot * "mediatek,mt8135-uart" for MT8135 compatible UARTS 21c66ec88fSEmmanuel Vadot * "mediatek,mt8173-uart" for MT8173 compatible UARTS 22c66ec88fSEmmanuel Vadot * "mediatek,mt8183-uart", "mediatek,mt6577-uart" for MT8183 compatible UARTS 23*c9ccf3a3SEmmanuel Vadot * "mediatek,mt8186-uart", "mediatek,mt6577-uart" for MT8183 compatible UARTS 246be33864SEmmanuel Vadot * "mediatek,mt8192-uart", "mediatek,mt6577-uart" for MT8192 compatible UARTS 252eb4d8dcSEmmanuel Vadot * "mediatek,mt8195-uart", "mediatek,mt6577-uart" for MT8195 compatible UARTS 26c66ec88fSEmmanuel Vadot * "mediatek,mt8516-uart" for MT8516 compatible UARTS 27c66ec88fSEmmanuel Vadot * "mediatek,mt6577-uart" for MT6577 and all of the above 28c66ec88fSEmmanuel Vadot 29c66ec88fSEmmanuel Vadot- reg: The base address of the UART register bank. 30c66ec88fSEmmanuel Vadot 31c66ec88fSEmmanuel Vadot- interrupts: 32c66ec88fSEmmanuel Vadot index 0: an interrupt specifier for the UART controller itself 33c66ec88fSEmmanuel Vadot index 1: optional, an interrupt specifier with edge sensitivity on Rx pin to 34c66ec88fSEmmanuel Vadot support Rx in-band wake up. If one would like to use this feature, 35c66ec88fSEmmanuel Vadot one must create an addtional pinctrl to reconfigure Rx pin to normal 36c66ec88fSEmmanuel Vadot GPIO before suspend. 37c66ec88fSEmmanuel Vadot 38c66ec88fSEmmanuel Vadot- clocks : Must contain an entry for each entry in clock-names. 39c66ec88fSEmmanuel Vadot See ../clocks/clock-bindings.txt for details. 40c66ec88fSEmmanuel Vadot- clock-names: 41c66ec88fSEmmanuel Vadot - "baud": The clock the baudrate is derived from 42c66ec88fSEmmanuel Vadot - "bus": The bus clock for register accesses (optional) 43c66ec88fSEmmanuel Vadot 44c66ec88fSEmmanuel VadotFor compatibility with older device trees an unnamed clock is used for the 45c66ec88fSEmmanuel Vadotbaud clock if the baudclk does not exist. Do not use this for new designs. 46c66ec88fSEmmanuel Vadot 47c66ec88fSEmmanuel VadotExample: 48c66ec88fSEmmanuel Vadot 49c66ec88fSEmmanuel Vadot uart0: serial@11006000 { 50c66ec88fSEmmanuel Vadot compatible = "mediatek,mt6589-uart", "mediatek,mt6577-uart"; 51c66ec88fSEmmanuel Vadot reg = <0x11006000 0x400>; 52c66ec88fSEmmanuel Vadot interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>, 53c66ec88fSEmmanuel Vadot <GIC_SPI 52 IRQ_TYPE_EDGE_FALLING>; 54c66ec88fSEmmanuel Vadot clocks = <&uart_clk>, <&bus_clk>; 55c66ec88fSEmmanuel Vadot clock-names = "baud", "bus"; 56c66ec88fSEmmanuel Vadot pinctrl-names = "default", "sleep"; 57c66ec88fSEmmanuel Vadot pinctrl-0 = <&uart_pin>; 58c66ec88fSEmmanuel Vadot pinctrl-1 = <&uart_pin_sleep>; 59c66ec88fSEmmanuel Vadot }; 60