On Fri, Mar 16, 2018 at 11:31 AM, Moritz Fischer <[email protected]> wrote:
> On Fri, Mar 16, 2018 at 04:54:28PM +0100, Paolo Pisati wrote:
>> Add dt binding documentation details for Lattice MachXO2 FPGA configuration
>> over Slave SPI interface.
>>
>> Signed-off-by: Paolo Pisati <[email protected]>
>> Acked-by: Rob Herring <[email protected]>
> Acked-by: Moritz Fischer <[email protected]>
Acked-by: Alan Tull <[email protected]>
Thanks,
Alan
>> ---
>> .../bindings/fpga/lattice-machxo2-spi.txt | 29
>> ++++++++++++++++++++++
>> 1 file changed, 29 insertions(+)
>> create mode 100644
>> Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
>>
>> diff --git a/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
>> b/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
>> new file mode 100644
>> index 0000000..a8c362e
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
>> @@ -0,0 +1,29 @@
>> +Lattice MachXO2 Slave SPI FPGA Manager
>> +
>> +Lattice MachXO2 FPGAs support a method of loading the bitstream over
>> +'slave SPI' interface.
> Nit: a 'slave SPI'
>> +
>> +See 'MachXO2ProgrammingandConfigurationUsageGuide.pdf' on
>> www.latticesemi.com
>> +
>> +Required properties:
>> +- compatible: should contain "lattice,machxo2-slave-spi"
>> +- reg: spi chip select of the FPGA
>> +
>> +Example for full FPGA configuration:
>> +
>> + fpga-region0 {
>> + compatible = "fpga-region";
>> + fpga-mgr = <&fpga_mgr_spi>;
>> + #address-cells = <0x1>;
>> + #size-cells = <0x1>;
>> + };
>> +
>> + spi1: spi@2000 {
>> + ...
>> +
>> + fpga_mgr_spi: fpga-mgr@0 {
>> + compatible = "lattice,machxo2-slave-spi";
>> + spi-max-frequency = <8000000>;
>> + reg = <0>;
>> + };
>> + };
>> --
>> 2.7.4
>>
>
> Thanks,
>
> Moritz
