Message ID | 20180326160624.32230-2-kernel@martin.sperl.org |
---|---|
State | Not Applicable, archived |
Headers | show |
Series | Microchip mcp25xxfd can controller driver | expand |
On Mon, Mar 26, 2018 at 04:06:22PM +0000, kernel@martin.sperl.org wrote: > From: Martin Sperl <kernel@martin.sperl.org> > > Add device-tree bindings for Microcip CanFD Controller mcp2517fd > > Signed-off-by: Martin Sperl <kernel@martin.sperl.org> > > -- > Changelog: > V1 -> V2: new more generic name based on feedback from microchip > cleanup of dt custom properties removing (most) gpio functions > V2 -> V3: added vendor-prefix for gpio-opendrain > s/_/-/ > added gpio-controller > --- > .../bindings/net/can/microchip,mcp25xxfd.txt | 32 ++++++++++++++++++++++ > 1 file changed, 32 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.txt Reviewed-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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..b388b3eb3905 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.txt @@ -0,0 +1,32 @@ +* Microchip MCP2517 stand-alone CAN controller device tree bindings + +Required properties: + - compatible: Should be one of the following: + - "microchip,mcp2517fd" for MCP2517fd. + - 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) + +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; + };