[V2 2/2] powerpc/512x: add LocalPlus Bus FIFO device driver

Rob Herring robherring2 at gmail.com
Wed Jul 10 23:57:06 EST 2013


On 07/10/2013 08:46 AM, Gerhard Sittig wrote:
> On Wed, Jul 10, 2013 at 14:21 +0400, Alexander Popov wrote:
>>
>> This is SCLPC device driver for the Freescale MPC512x.
>> It is needed for Direct Memory Access to the devices on LocalPlus Bus.
>>
>> Signed-off-by: Alexander Popov <a13xp0p0v88 at gmail.com>
>> ---
>>  arch/powerpc/boot/dts/mpc5121.dtsi            |   8 +-
>>  arch/powerpc/include/asm/mpc5121.h            |  32 ++
>>  arch/powerpc/platforms/512x/Kconfig           |   6 +
>>  arch/powerpc/platforms/512x/Makefile          |   1 +
>>  arch/powerpc/platforms/512x/mpc512x_lpbfifo.c | 485 ++++++++++++++++++++++++++
>>  5 files changed, 531 insertions(+), 1 deletion(-)
>>  create mode 100644 arch/powerpc/platforms/512x/mpc512x_lpbfifo.c
>>
>> diff --git a/arch/powerpc/boot/dts/mpc5121.dtsi b/arch/powerpc/boot/dts/mpc5121.dtsi
>> index bd14c00..6e0b0c0 100644
>> --- a/arch/powerpc/boot/dts/mpc5121.dtsi
>> +++ b/arch/powerpc/boot/dts/mpc5121.dtsi
>> @@ -261,7 +261,13 @@
>>  		/* LocalPlus controller */
>>  		lpc at 10000 {
>>  			compatible = "fsl,mpc5121-lpc";
>> -			reg = <0x10000 0x200>;
>> +			reg = <0x10000 0x100>;
>> +		};
>> +
>> +		sclpc at 10100 {
>> +			compatible = "fsl,mpc512x-lpbfifo";

The binding needs to be documented.

Rob



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