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-Flexcan CAN controller on Freescale's ARM and PowerPC system-on-a-chip (SOC).
-
-Required properties:
-
-- compatible : Should be "fsl,<processor>-flexcan"
-
- where <processor> is imx8qm, imx6q, imx28, imx53, imx35, imx25, p1010,
- vf610, ls1021ar2, lx2160ar1, ls1028ar1.
-
- The ls1028ar1 must be followed by lx2160ar1, e.g.
- - "fsl,ls1028ar1-flexcan", "fsl,lx2160ar1-flexcan"
-
- An implementation should also claim any of the following compatibles
- that it is fully backwards compatible with:
-
- - fsl,p1010-flexcan
-
-- reg : Offset and length of the register set for this device
-- interrupts : Interrupt tuple for this device
-
-Optional properties:
-
-- clock-frequency : The oscillator frequency driving the flexcan device
-
-- xceiver-supply: Regulator that powers the CAN transceiver
-
-- big-endian: This means the registers of FlexCAN controller are big endian.
- This is optional property.i.e. if this property is not present in
- device tree node then controller is assumed to be little endian.
- if this property is present then controller is assumed to be big
- endian.
-
-- fsl,stop-mode: register bits of stop mode control, the format is
- <&gpr req_gpr req_bit>.
- gpr is the phandle to general purpose register node.
- req_gpr is the gpr register offset of CAN stop request.
- req_bit is the bit offset of CAN stop request.
-
-- fsl,clk-source: Select the clock source to the CAN Protocol Engine (PE).
- It's SoC Implementation dependent. Refer to RM for detailed
- definition. If this property is not set in device tree node
- then driver selects clock source 1 by default.
- 0: clock source 0 (oscillator clock)
- 1: clock source 1 (peripheral clock)
-
-- wakeup-source: enable CAN remote wakeup
-
-Example:
-
- can@1c000 {
- compatible = "fsl,p1010-flexcan";
- reg = <0x1c000 0x1000>;
- interrupts = <48 0x2>;
- interrupt-parent = <&mpic>;
- clock-frequency = <200000000>; // filled in by bootloader
- fsl,clk-source = <0>; // select clock source 0 for PE
- };