On Mon, Feb 01, 2021 at 05:12:43PM +0200, Alexandru Ardelean wrote:
> For ZynqMP (Ultrascale) the PFD and VCO limits are different. In order to
> support these, this change adds a compatible string (i.e.
> 'adi,zynqmp-axi-clkgen-2.00.a') which will take into account for these
> limits and apply them.
>
> Signed-off-by: Dragos Bogdan <dragos.bogdan@xxxxxxxxxx>
> Signed-off-by: Mathias Tausen <mta@xxxxxxxxxxxx>
> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
Acked-by: Moritz Fischer <mdf@xxxxxxxxxx>
> ---
> drivers/clk/clk-axi-clkgen.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/drivers/clk/clk-axi-clkgen.c b/drivers/clk/clk-axi-clkgen.c
> index ad86e031ba3e..9d1b0fc56c73 100644
> --- a/drivers/clk/clk-axi-clkgen.c
> +++ b/drivers/clk/clk-axi-clkgen.c
> @@ -108,6 +108,13 @@ static uint32_t axi_clkgen_lookup_lock(unsigned int m)
> return 0x1f1f00fa;
> }
>
> +static const struct axi_clkgen_limits axi_clkgen_zynqmp_default_limits = {
> + .fpfd_min = 10000,
> + .fpfd_max = 450000,
> + .fvco_min = 800000,
> + .fvco_max = 1600000,
> +};
> +
> static const struct axi_clkgen_limits axi_clkgen_zynq_default_limits = {
> .fpfd_min = 10000,
> .fpfd_max = 300000,
> @@ -560,6 +567,10 @@ static int axi_clkgen_remove(struct platform_device *pdev)
> }
>
> static const struct of_device_id axi_clkgen_ids[] = {
> + {
> + .compatible = "adi,zynqmp-axi-clkgen-2.00.a",
> + .data = &axi_clkgen_zynqmp_default_limits,
> + },
> {
> .compatible = "adi,axi-clkgen-2.00.a",
> .data = &axi_clkgen_zynq_default_limits,
> --
> 2.17.1
>
