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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /Documentation/devicetree/bindings/net/can/c_can.txt |
Initial import
Diffstat (limited to 'Documentation/devicetree/bindings/net/can/c_can.txt')
-rw-r--r-- | Documentation/devicetree/bindings/net/can/c_can.txt | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/can/c_can.txt b/Documentation/devicetree/bindings/net/can/c_can.txt new file mode 100644 index 000000000..5a1d8b0c3 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/c_can.txt @@ -0,0 +1,54 @@ +Bosch C_CAN/D_CAN controller Device Tree Bindings +------------------------------------------------- + +Required properties: +- compatible : Should be "bosch,c_can" for C_CAN controllers and + "bosch,d_can" for D_CAN controllers. + Can be "ti,dra7-d_can", "ti,am3352-d_can" or + "ti,am4372-d_can". +- reg : physical base address and size of the C_CAN/D_CAN + registers map +- interrupts : property with a value describing the interrupt + number + +Optional properties: +- ti,hwmods : Must be "d_can<n>" or "c_can<n>", n being the + instance number +- syscon-raminit : Handle to system control region that contains the + RAMINIT register, register offset to the RAMINIT + register and the CAN instance number (0 offset). + +Note: "ti,hwmods" field is used to fetch the base address and irq +resources from TI, omap hwmod data base during device registration. +Future plan is to migrate hwmod data base contents into device tree +blob so that, all the required data will be used from device tree dts +file. + +Example: + +Step1: SoC common .dtsi file + + dcan1: d_can@481d0000 { + compatible = "bosch,d_can"; + reg = <0x481d0000 0x2000>; + interrupts = <55>; + interrupt-parent = <&intc>; + status = "disabled"; + }; + +(or) + + dcan1: d_can@481d0000 { + compatible = "bosch,d_can"; + ti,hwmods = "d_can1"; + reg = <0x481d0000 0x2000>; + interrupts = <55>; + interrupt-parent = <&intc>; + status = "disabled"; + }; + +Step 2: board specific .dts file + + &dcan1 { + status = "okay"; + }; |