powerpc: tqm8548/tqm8xx: add and update CAN device nodes
This patch enables or updates support for the CC770 and AN82527
CAN controller on the TQM8548 and TQM8xx boards.
CC: devicetree-discuss@lists.ozlabs.org
CC: linuxppc-dev@ozlabs.org
CC: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/powerpc/boot/dts/tqm8548-bigflash.dts b/arch/powerpc/boot/dts/tqm8548-bigflash.dts
index 9452c3c..d918752 100644
--- a/arch/powerpc/boot/dts/tqm8548-bigflash.dts
+++ b/arch/powerpc/boot/dts/tqm8548-bigflash.dts
@@ -352,7 +352,7 @@
ranges = <
0 0x0 0xfc000000 0x04000000 // NOR FLASH bank 1
1 0x0 0xf8000000 0x08000000 // NOR FLASH bank 0
- 2 0x0 0xa3000000 0x00008000 // CAN (2 x i82527)
+ 2 0x0 0xa3000000 0x00008000 // CAN (2 x CC770)
3 0x0 0xa3010000 0x00008000 // NAND FLASH
>;
@@ -393,18 +393,27 @@
};
/* Note: CAN support needs be enabled in U-Boot */
- can0@2,0 {
- compatible = "intel,82527"; // Bosch CC770
+ can@2,0 {
+ compatible = "bosch,cc770"; // Bosch CC770
reg = <2 0x0 0x100>;
interrupts = <4 1>;
interrupt-parent = <&mpic>;
+ bosch,external-clock-frequency = <16000000>;
+ bosch,disconnect-rx1-input;
+ bosch,disconnect-tx1-output;
+ bosch,iso-low-speed-mux;
+ bosch,clock-out-frequency = <16000000>;
};
- can1@2,100 {
- compatible = "intel,82527"; // Bosch CC770
+ can@2,100 {
+ compatible = "bosch,cc770"; // Bosch CC770
reg = <2 0x100 0x100>;
interrupts = <4 1>;
interrupt-parent = <&mpic>;
+ bosch,external-clock-frequency = <16000000>;
+ bosch,disconnect-rx1-input;
+ bosch,disconnect-tx1-output;
+ bosch,iso-low-speed-mux;
};
/* Note: NAND support needs to be enabled in U-Boot */