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Diffstat (limited to 'Documentation/devicetree/bindings/serial/mvebu-uart.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/mvebu-uart.txt | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/Documentation/devicetree/bindings/serial/mvebu-uart.txt b/Documentation/devicetree/bindings/serial/mvebu-uart.txt deleted file mode 100644 index b7e0e32b9ac6..000000000000 --- a/Documentation/devicetree/bindings/serial/mvebu-uart.txt +++ /dev/null @@ -1,53 +0,0 @@ -* 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, baudrate limited to 230400). - - "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, baudrate unlimited by the dividers). -- 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. -- 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 0x200>; - clocks = <&xtalclk>; - 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 = <&xtalclk>; - interrupts = - <GIC_SPI 30 IRQ_TYPE_EDGE_RISING>, - <GIC_SPI 31 IRQ_TYPE_EDGE_RISING>; - interrupt-names = "uart-tx", "uart-rx"; - }; |
