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 <p.pis...@gmail.com>
> Acked-by: Rob Herring <r...@kernel.org>
Acked-by: Moritz Fischer <m...@kernel.org>
> ---
> .../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
