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>

3 files changed, 53 insertions, 10 deletions

diff --git a/arch/powerpc/boot/dts/tqm8548-bigflash.dts b/arch/powerpc/boot/dts/tqm8548-bigflash.dts
index 9452c3c05114..d918752b1200 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 */
diff --git a/arch/powerpc/boot/dts/tqm8548.dts b/arch/powerpc/boot/dts/tqm8548.dts
index 619776f72c90..988d887c97fc 100644
--- a/arch/powerpc/boot/dts/tqm8548.dts
+++ b/arch/powerpc/boot/dts/tqm8548.dts
@@ -352,7 +352,7 @@
                 ranges = <
                         0 0x0 0xfc000000 0x04000000     // NOR FLASH bank 1
                         1 0x0 0xf8000000 0x08000000     // NOR FLASH bank 0
-                        2 0x0 0xe3000000 0x00008000     // CAN (2 x i82527)
+                        2 0x0 0xe3000000 0x00008000     // CAN (2 x CC770)
                         3 0x0 0xe3010000 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 */
diff --git a/arch/powerpc/boot/dts/tqm8xx.dts b/arch/powerpc/boot/dts/tqm8xx.dts
index f6da7ec49a8e..c3dba2518d8c 100644
--- a/arch/powerpc/boot/dts/tqm8xx.dts
+++ b/arch/powerpc/boot/dts/tqm8xx.dts
@@ -57,6 +57,7 @@
 
                 ranges = <
                         0x0 0x0 0x40000000 0x800000
+                        0x3 0x0 0xc0000000 0x200
                 >;
 
                 flash@0,0 {
@@ -67,6 +68,30 @@
                         bank-width = <4>;
                         device-width = <2>;
                 };
+
+                /* Note: CAN support needs be enabled in U-Boot */
+                can@3,0 {
+                        compatible = "intc,82527";
+                        reg = <3 0x0 0x80>;
+                        interrupts = <8 1>;
+                        interrupt-parent = <&PIC>;
+                        bosch,external-clock-frequency = <16000000>;
+                        bosch,disconnect-rx1-input;
+                        bosch,disconnect-tx1-output;
+                        bosch,iso-low-speed-mux;
+                        bosch,clock-out-frequency = <16000000>;
+                };
+
+                can@3,100 {
+                        compatible = "intc,82527";
+                        reg = <3 0x100 0x80>;
+                        interrupts = <8 1>;
+                        interrupt-parent = <&PIC>;
+                        bosch,external-clock-frequency = <16000000>;
+                        bosch,disconnect-rx1-input;
+                        bosch,disconnect-tx1-output;
+                        bosch,iso-low-speed-mux;
+                };
         };
 
         soc@fff00000 {