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Diffstat (limited to 'Documentation/devicetree/bindings/dma/lpc1850-dmamux.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/lpc1850-dmamux.txt | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/Documentation/devicetree/bindings/dma/lpc1850-dmamux.txt b/Documentation/devicetree/bindings/dma/lpc1850-dmamux.txt deleted file mode 100644 index 87740adb2995..000000000000 --- a/Documentation/devicetree/bindings/dma/lpc1850-dmamux.txt +++ /dev/null @@ -1,54 +0,0 @@ -NXP LPC18xx/43xx DMA MUX (DMA request router) - -Required properties: -- compatible: "nxp,lpc1850-dmamux" -- reg: Memory map for accessing module -- #dma-cells: Should be set to <3>. - * 1st cell contain the master dma request signal - * 2nd cell contain the mux value (0-3) for the peripheral - * 3rd cell contain either 1 or 2 depending on the AHB - master used. -- dma-requests: Number of DMA requests for the mux -- dma-masters: phandle pointing to the DMA controller - -The DMA controller node need to have the following poroperties: -- dma-requests: Number of DMA requests the controller can handle - -Example: - -dmac: dma@40002000 { - compatible = "nxp,lpc1850-gpdma", "arm,pl080", "arm,primecell"; - arm,primecell-periphid = <0x00041080>; - reg = <0x40002000 0x1000>; - interrupts = <2>; - clocks = <&ccu1 CLK_CPU_DMA>; - clock-names = "apb_pclk"; - #dma-cells = <2>; - dma-channels = <8>; - dma-requests = <16>; - lli-bus-interface-ahb1; - lli-bus-interface-ahb2; - mem-bus-interface-ahb1; - mem-bus-interface-ahb2; - memcpy-burst-size = <256>; - memcpy-bus-width = <32>; -}; - -dmamux: dma-mux { - compatible = "nxp,lpc1850-dmamux"; - #dma-cells = <3>; - dma-requests = <64>; - dma-masters = <&dmac>; -}; - -uart0: serial@40081000 { - compatible = "nxp,lpc1850-uart", "ns16550a"; - reg = <0x40081000 0x1000>; - reg-shift = <2>; - interrupts = <24>; - clocks = <&ccu2 CLK_APB0_UART0>, <&ccu1 CLK_CPU_UART0>; - clock-names = "uartclk", "reg"; - dmas = <&dmamux 1 1 2 - &dmamux 2 1 2>; - dma-names = "tx", "rx"; -}; |
