[PATCH net-next v5 4/4] powerpc: tqm8548/tqm8xx: add and update CAN device nodes
From: Wolfgang Grandegger <hidden>
Date: 2011-11-30 12:10:35
Also in:
linux-can, linux-devicetree, netdev
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2011-11-30 · [PATCH net-next v5 4/4] powerpc: tqm8548/tqm8xx: add and update CAN device nodes · Wolfgang Grandegger <hidden>
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 <redacted> Signed-off-by: Wolfgang Grandegger <redacted> --- arch/powerpc/boot/dts/tqm8548-bigflash.dts | 19 ++++++++++++++----- arch/powerpc/boot/dts/tqm8548.dts | 19 ++++++++++++++----- arch/powerpc/boot/dts/tqm8xx.dts | 25 +++++++++++++++++++++++++ 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 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 */
diff --git a/arch/powerpc/boot/dts/tqm8548.dts b/arch/powerpc/boot/dts/tqm8548.dts
index 619776f..988d887 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 f6da7ec..c3dba25 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 {
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1.7.4.1