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| -rw-r--r-- | Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.txt b/Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.txt new file mode 100644 index 000000000000..d53754d6d2a4 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.txt @@ -0,0 +1,34 @@ +* Microchip MCP2517 stand-alone CAN controller device tree bindings + +Required properties: + - compatible: Should be one of the following: + - "microchip,mcp2517fd" for MCP2517fd. + - "microchip,mcp2518fd" for MCP2518fd. + - reg: SPI chip select. + - clocks: The clock feeding the CAN controller. + - interrupt-parent: The parent interrupt controller. + - interrupts: Should contain IRQ line for the CAN controller. + - gpio-controller: Marks the device node as a GPIO controller + +Optional properties: + - vdd-supply: Regulator that powers the CAN controller. + - xceiver-supply: Regulator that powers the CAN transceiver. + - microchip,clock-out-div = <0|1|2|4|10>: Clock output pin divider + 0 = Start of Frame output + default: 10 + - microchip,clock-div2: bool: divide the internal clock by 2 + - microchip,gpio-open-drain: bool: enable open-drain for all pins + (except cantx) + - microchip,gpio0-xstandby: bool: enable xstandby functionality on gpio 0 + +Example: + can0: can@1 { + compatible = "microchip,mcp2517fd"; + reg = <1>; + clocks = <&clk24m>; + interrupt-parent = <&gpio4>; + interrupts = <13 0x8>; + vdd-supply = <®5v0>; + xceiver-supply = <®5v0>; + gpio-controller; + }; |