Re: [PATCH 2/2] pci: host: pci-dra7xx: Enable x2 mode support

From: Kishon Vijay Abraham I
Date: Thu Jan 07 2016 - 01:22:13 EST


Hi,

On Wednesday 06 January 2016 07:43 PM, Rob Herring wrote:
> On Wed, Jan 06, 2016 at 04:19:53PM +0530, Kishon Vijay Abraham I wrote:
>> Perform syscon configurations to get x2 mode to working in DRA74x and
>> DRA72x. Also add a new compatible string to dfferentiate
>> DRA72x and DRA74x, since b1c0 mask is different for both these platforms.
>>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
>> ---
>> Documentation/devicetree/bindings/pci/ti-pci.txt | 8 ++-
>> drivers/pci/host/pci-dra7xx.c | 81 +++++++++++++++++++++-
>> 2 files changed, 86 insertions(+), 3 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/pci/ti-pci.txt b/Documentation/devicetree/bindings/pci/ti-pci.txt
>> index 60e2516..0b10e84 100644
>> --- a/Documentation/devicetree/bindings/pci/ti-pci.txt
>> +++ b/Documentation/devicetree/bindings/pci/ti-pci.txt
>> @@ -1,7 +1,9 @@
>> TI PCI Controllers
>>
>> PCIe Designware Controller
>> - - compatible: Should be "ti,dra7-pcie""
>> + - compatible: "ti,dra7-pcie" is deprecated
>> + Should be "ti,dra746-pcie" for DRA74x
>> + Should be "ti,dra726-pcie" for DRA72x
>> - reg : Two register ranges as listed in the reg-names property
>> - reg-names : The first entry must be "ti-conf" for the TI specific registers
>> The second entry must be "rc-dbics" for the designware pcie
>> @@ -14,6 +16,10 @@ PCIe Designware Controller
>> where <X> is the instance number of the pcie from the HW spec.
>> - interrupts : Two interrupt entries must be specified. The first one is for
>> main interrupt line and the second for MSI interrupt line.
>> + - syscon-lane-conf : phandle/offset pair. Phandle to the system control module and the
>> + register offset to specify 1 lane or 2 lane.
>> + - syscon-lane-sel : phandle/offset pair. Phandle to the system control module and the
>> + register offset to specify lane selection.
>
> These should have a ti prefix.

Okay. Will fix that and post a new version.

Thanks
Kishon
>
>> - #address-cells,
>> #size-cells,
>> #interrupt-cells,
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/