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Date: Wed, 07 Dec 2011 18:34:28 +1100
From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
To: Wolfgang Grandegger <wg@...ndegger.com>
Cc: netdev@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
linux-can@...r.kernel.org, linuxppc-dev@...abs.org,
socketcan-users@...ts.berlios.de
Subject: Re: [PATCH net-next v6 4/4] powerpc: tqm8548/tqm8xx: add and update
CAN device nodes
On Thu, 2011-12-01 at 10:41 +0100, Wolfgang Grandegger wrote:
> This patch enables or updates support for the CC770 and AN82527
> CAN controller on the TQM8548 and TQM8xx boards.
I'm a bit confused by the net-next prefix here. Those patches seem to
be only touching arch/powerpc and seem to be sent primarily toward
netdev with a net-next prefix.
Also there have been at least 3 versions in a couple of days already
without comments nor indication of what was changed...
Can you clarify things a bit please ? It looks like they really should
go to linuxppc-dev (and you can probably drop a bunch of other lists) or
am I missing an important piece of the puzzle ? (Such as patch 1/4 and
2/4 ...)
Let me know if I should just remove them from powerpc patchwork.
Cheers,
Ben.
> CC: devicetree-discuss@...ts.ozlabs.org
> CC: linuxppc-dev@...abs.org
> CC: Kumar Gala <galak@...nel.crashing.org>
> Signed-off-by: Wolfgang Grandegger <wg@...ndegger.com>
> ---
> 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@...00000 {
--
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