Modified Readme

* Added 'Patch Kernel' section
* Modified example device tree to fit newest driver

README.md

@@ -7,11 +7,17 @@ Files
 * Kconfig	: Config file for menuconfig etc.
 * Makefile	: Makefile for Kernel Build
 
+Patch Kernel
+------------
+* Apply the specific commits on your kernel source tree
+* Or copy the newest m_can.c to your kernel source tree.
+
 Compile
 -------
 compile as normal Kernel Driver.
 * Driver can be compiled as an externel module.
 * Driver can be compiled statically into the kernel.
+* selectable with menuconfig
 
 
 Device Tree
@@ -20,6 +26,7 @@ The following code shows a basic device tree for an M_CAN node:
 
 ```
 /* M_CAN Device Tree Nodes */
+/* Example clocks */
 hclk: hclk {
 	compatible = "fixed-clock";
 	#clock-cells = < 0 >;
@@ -30,12 +37,13 @@ cclk: cclk {
 	#clock-cells = < 0 >;
 	clock-frequency = <40000000>;
 };
+
+/* M_CAN device */
 mcan0: can@0xff240000 {
-	compatible = "bosch,m_can-3.2.1";
+	compatible = "bosch,m_can";
 	reg = <0xff240000 0x200>,<0xff260000 0x4000>;
 	reg-names = "m_can", "message_ram";
 	interrupt-parent = <&intc>;
-	/* Shared Interrupt for every M_CAN */
 	interrupts = <0x0 40 0x4>;
 	interrupt-names = "int0";
 	clocks = <&hclk>, <&cclk>;