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-rw-r--r--Documentation/devicetree/bindings/net/can/c_can.txt49
-rw-r--r--Documentation/devicetree/bindings/net/can/fsl-flexcan.txt3
-rw-r--r--Documentation/devicetree/bindings/net/can/grcan.txt28
3 files changed, 80 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 00000000000..8f1ae81228e
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/can/c_can.txt
@@ -0,0 +1,49 @@
+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.
+- 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
+
+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";
+ };
diff --git a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
index f31b686d455..8ff324eaa88 100644
--- a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
+++ b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
@@ -11,6 +11,9 @@ Required properties:
- 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
Example:
diff --git a/Documentation/devicetree/bindings/net/can/grcan.txt b/Documentation/devicetree/bindings/net/can/grcan.txt
new file mode 100644
index 00000000000..34ef3498f88
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/can/grcan.txt
@@ -0,0 +1,28 @@
+Aeroflex Gaisler GRCAN and GRHCAN CAN controllers.
+
+The GRCAN and CRHCAN CAN controllers are available in the GRLIB VHDL IP core
+library.
+
+Note: These properties are built from the AMBA plug&play in a Leon SPARC system
+(the ordinary environment for GRCAN and GRHCAN). There are no dts files for
+sparc.
+
+Required properties:
+
+- name : Should be "GAISLER_GRCAN", "01_03d", "GAISLER_GRHCAN" or "01_034"
+
+- reg : Address and length of the register set for the device
+
+- freq : Frequency of the external oscillator clock in Hz (the frequency of
+ the amba bus in the ordinary case)
+
+- interrupts : Interrupt number for this device
+
+Optional properties:
+
+- systemid : If not present or if the value of the least significant 16 bits
+ of this 32-bit property is smaller than GRCAN_TXBUG_SAFE_GRLIB_VERSION
+ a bug workaround is activated.
+
+For further information look in the documentation for the GLIB IP core library:
+http://www.gaisler.com/products/grlib/grip.pdf