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-* Marvell UART : Non standard UART used in some of Marvell EBU SoCs
-                 e.g., Armada-3700.
-
-Required properties:
-- compatible:
-    - "marvell,armada-3700-uart" for the standard variant of the UART
-      (32 bytes FIFO, no DMA, level interrupts, 8-bit access to the
-      FIFO), called also UART1.
-    - "marvell,armada-3700-uart-ext" for the extended variant of the
-      UART (128 bytes FIFO, DMA, front interrupts, 8-bit or 32-bit
-      accesses to the FIFO), called also UART2.
-- reg: offset and length of the register set for the device.
-- clocks: UART reference clock used to derive the baudrate. If no clock
-      is provided (possible only with the "marvell,armada-3700-uart"
-      compatible string for backward compatibility), it will only work
-      if the baudrate was initialized by the bootloader and no baudrate
-      change will then be possible. When provided it should be UART1-clk
-      for standard variant of UART and UART2-clk for extended variant
-      of UART. TBG clock (with UART TBG divisors d1=d2=1) or xtal clock
-      should not be used and are supported only for backward compatibility.
-- interrupts:
-    - Must contain three elements for the standard variant of the IP
-      (marvell,armada-3700-uart): "uart-sum", "uart-tx" and "uart-rx",
-      respectively the UART sum interrupt, the UART TX interrupt and
-      UART RX interrupt. A corresponding interrupt-names property must
-      be defined.
-    - Must contain two elements for the extended variant of the IP
-      (marvell,armada-3700-uart-ext): "uart-tx" and "uart-rx",
-      respectively the UART TX interrupt and the UART RX interrupt. A
-      corresponding interrupt-names property must be defined.
-    - For backward compatibility reasons, a single element interrupts
-      property is also supported for the standard variant of the IP,
-      containing only the UART sum interrupt. This form is deprecated
-      and should no longer be used.
-
-Example:
-	uart0: serial@12000 {
-		compatible = "marvell,armada-3700-uart";
-		reg = <0x12000 0x18>;
-		clocks = <&uartclk 0>;
-		interrupts =
-		<GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
-		<GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
-		<GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
-		interrupt-names = "uart-sum", "uart-tx", "uart-rx";
-	};
-
-	uart1: serial@12200 {
-		compatible = "marvell,armada-3700-uart-ext";
-		reg = <0x12200 0x30>;
-		clocks = <&uartclk 1>;
-		interrupts =
-		<GIC_SPI 30 IRQ_TYPE_EDGE_RISING>,
-		<GIC_SPI 31 IRQ_TYPE_EDGE_RISING>;
-		interrupt-names = "uart-tx", "uart-rx";
-	};