[PATCH v3] clk: Add axi-clkgen driver

[Mike Turquette]

Quoting Lars-Peter Clausen (2013-03-11 08:22:29)
> This driver adds support for the AXI clkgen pcore to the common clock framework.
> The AXI clkgen pcore is a AXI front-end to the MMCM_ADV frequency synthesizer
> commonly found in Xilinx FPGAs.
> 
> The AXI clkgen pcore is used in Analog Devices' reference designs targeting
> Xilinx FPGAs.
> 
> Signed-off-by: Lars-Peter Clausen <lars at metafoo.de>
> 
> ---
> Changes since v2:
>         * Use devm_ioremap_resource() instead of devm_request_and_ioremap()
> 
> Changes since v1:
>         * Fix error in the filter coef lookup table
>         * Use unsigend long long arithmetic to avoid overflow when calculating the
>           current clock frequency.
>         * Use readl/writel instead of ioread32/iowrite32
> 
> Signed-off-by: Lars-Peter Clausen <lars at metafoo.de>

Taken into clk-next.

Thanks,
Mike