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clk: clk-axiclkgen: add ZynqMP PFD and VCO limits

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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@analog.com>
Signed-off-by: Mathias Tausen <mta@gomspace.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20210201151245.21845-3-alexandru.ardelean@analog.com
Acked-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Alexandru Ardelean 2021-02-01 17:12:43 +02:00 committed by Stephen Boyd
parent 324a810583
commit da68c30963
1 changed files with 11 additions and 0 deletions
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11
drivers/clk/clk-axi-clkgen.c
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@ -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,