Re: [PATCH V2 1/3] dt-binding: can: mcp25xxfd: document device tree bindings
From: Rob Herring <robh@kernel.org>
Date: 2018-01-29 19:36:55
Also in:
linux-can
On Fri, Jan 19, 2018 at 07:41:38AM +0000, kernel@martin.sperl.org wrote:
quoted hunk ↗ jump to hunk
From: Martin Sperl <redacted> Add device-tree bindings for Microcip CanFD Controller mcp2517fd Signed-off-by: Martin Sperl <redacted> --- Changelog: V1 -> V2: new more generic name based on feedback from microchip cleanup of dt custom properties removing (most) gpio functions --- .../bindings/net/can/microchip,mcp25xxfd.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.txtdiff --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..691dd6220bd7 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.txt@@ -0,0 +1,29 @@ +* 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. + +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
s/_/-/
+ - gpio_opendrain: bool: enable open-drain for all pins (except cantx)
Needs a vendor prefix.
+
+Example:
+ can0: can@1 {
+ compatible = "microchip,mcp2515";
+ reg = <1>;
+ clocks = <&clk24m>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <13 0x8>;
+ vdd-supply = <®5v0>;
+ xceiver-supply = <®5v0>;
+ };
--
2.11.0
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