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>
---
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
