On Tue, Apr 3, 2012 at 11:57 AM, Grant Likely <grant.lik...@secretlab.ca> wrote:
> On Mon, 2 Apr 2012 12:09:05 +0530, Tanmay Inamdar <tinam...@apm.com> wrote:
>> Adding UART nodes in Klondike device tree file.
>>
>> Signed-off-by: Tanmay Inamdar <tinam...@apm.com>
>> ---
>> :100644 100644 4ff2852... d5bf2e1... M
>> arch/powerpc/boot/dts/klondike.dts
>> arch/powerpc/boot/dts/klondike.dts | 24 ++++++++++++++++++++++++
>> 1 files changed, 24 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/powerpc/boot/dts/klondike.dts
>> b/arch/powerpc/boot/dts/klondike.dts
>> index 4ff2852..d5bf2e1 100644
>> --- a/arch/powerpc/boot/dts/klondike.dts
>> +++ b/arch/powerpc/boot/dts/klondike.dts
>> @@ -222,6 +222,30 @@
>> #size-cells = <1>;
>> ranges;
>> clock-frequency = <0>;
>> +
>> + UART0: serial@50001000 {
>> + device_type = "serial";
>> + compatible = "ns16550";
>> + reg = <0x50001000 0x00000100>;
>> + virtual-reg = <0x50001000>;
>
> Why do you need virtual-reg? The kernel should handle all iomapping
> properly without this.
Right. It's been used for platforms that actually use the
zImage/treeImage wrapper for printf support, but this uses u-boot as
far as I know. It shouldn't need it.
josh
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