[PATCH V7 01/10] dt-binding: can: mcp25xxfd: document device tree bindings
From: <hidden>
Date: 2019-02-21 21:07:27
Subsystem:
can network drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Martin Sperl <redacted>
Add device-tree bindings for Microcip CanFD Controller mcp2517fd
Signed-off-by: Martin Sperl <redacted>
Reviewed-by: Rob Herring <robh@kernel.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
V3 -> V4: resend
added: Reviewed-by: Rob Herring [off-list ref]
---
.../bindings/net/can/microchip,mcp25xxfd.txt | 32 ++++++++++++++++++++++
1 file changed, 32 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/can/microchip,mcp25xxfd.txt
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; + }; --
2.11.0