diff options
Diffstat (limited to 'dts/Bindings/net/can')
| -rw-r--r-- | dts/Bindings/net/can/holt_hi311x.txt | 1 | ||||
| -rw-r--r-- | dts/Bindings/net/can/microchip,mcp251x.txt | 1 | ||||
| -rw-r--r-- | dts/Bindings/net/can/xilinx_can.txt | 36 |
3 files changed, 26 insertions, 12 deletions
diff --git a/dts/Bindings/net/can/holt_hi311x.txt b/dts/Bindings/net/can/holt_hi311x.txt index 23aa94eab2..903a78da65 100644 --- a/dts/Bindings/net/can/holt_hi311x.txt +++ b/dts/Bindings/net/can/holt_hi311x.txt @@ -5,7 +5,6 @@ Required properties: - "holt,hi3110" for HI-3110 - 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: diff --git a/dts/Bindings/net/can/microchip,mcp251x.txt b/dts/Bindings/net/can/microchip,mcp251x.txt index ee3723beb7..188c8bd4eb 100644 --- a/dts/Bindings/net/can/microchip,mcp251x.txt +++ b/dts/Bindings/net/can/microchip,mcp251x.txt @@ -6,7 +6,6 @@ Required properties: - "microchip,mcp2515" for MCP2515. - 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: diff --git a/dts/Bindings/net/can/xilinx_can.txt b/dts/Bindings/net/can/xilinx_can.txt index fe38847d8e..060e2d46ba 100644 --- a/dts/Bindings/net/can/xilinx_can.txt +++ b/dts/Bindings/net/can/xilinx_can.txt @@ -2,20 +2,25 @@ Xilinx Axi CAN/Zynq CANPS controller Device Tree Bindings --------------------------------------------------------- Required properties: -- compatible : Should be "xlnx,zynq-can-1.0" for Zynq CAN - controllers and "xlnx,axi-can-1.00.a" for Axi CAN - controllers. -- reg : Physical base address and size of the Axi CAN/Zynq - CANPS registers map. +- compatible : Should be: + - "xlnx,zynq-can-1.0" for Zynq CAN controllers + - "xlnx,axi-can-1.00.a" for Axi CAN controllers + - "xlnx,canfd-1.0" for CAN FD controllers +- reg : Physical base address and size of the controller + registers map. - interrupts : Property with a value describing the interrupt number. -- interrupt-parent : Must be core interrupt controller -- clock-names : List of input clock names - "can_clk", "pclk" - (For CANPS), "can_clk" , "s_axi_aclk"(For AXI CAN) +- clock-names : List of input clock names + - "can_clk", "pclk" (For CANPS), + - "can_clk", "s_axi_aclk" (For AXI CAN and CAN FD). (See clock bindings for details). - clocks : Clock phandles (see clock bindings for details). -- tx-fifo-depth : Can Tx fifo depth. -- rx-fifo-depth : Can Rx fifo depth. +- tx-fifo-depth : Can Tx fifo depth (Zynq, Axi CAN). +- rx-fifo-depth : Can Rx fifo depth (Zynq, Axi CAN, CAN FD in + sequential Rx mode). +- tx-mailbox-count : Can Tx mailbox buffer count (CAN FD). +- rx-mailbox-count : Can Rx mailbox buffer count (CAN FD in mailbox Rx + mode). Example: @@ -42,3 +47,14 @@ For Axi CAN Dts file: tx-fifo-depth = <0x40>; rx-fifo-depth = <0x40>; }; +For CAN FD Dts file: + canfd_0: canfd@40000000 { + compatible = "xlnx,canfd-1.0"; + clocks = <&clkc 0>, <&clkc 1>; + clock-names = "can_clk", "s_axi_aclk"; + reg = <0x40000000 0x2000>; + interrupt-parent = <&intc>; + interrupts = <0 59 1>; + tx-mailbox-count = <0x20>; + rx-fifo-depth = <0x20>; + }; |