Commit da68c309 authored by Alexandru Ardelean's avatar Alexandru Ardelean Committed by Stephen Boyd
Browse files

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



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: default avatarDragos Bogdan <dragos.bogdan@analog.com>
Signed-off-by: default avatarMathias Tausen <mta@gomspace.com>
Signed-off-by: default avatarAlexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20210201151245.21845-3-alexandru.ardelean@analog.com


Acked-by: default avatarMoritz Fischer <mdf@kernel.org>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 324a8105

drivers/clk/clk-axi-clkgen.c

+11 −0
Original line number Diff line number Diff line
@@ -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,