diff options
| author | Alexandru Ardelean <alexandru.ardelean@analog.com> | 2021-02-01 18:12:43 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2021-02-09 05:13:12 +0300 |
| commit | da68c30963c04d7badbda53021418df1f043c985 (patch) | |
| tree | 1b0c3c9a156d1b9f6d34cda549d5cd5f071097f7 /drivers/clk/clk-axi-clkgen.c | |
| parent | 324a810583ffec3e5c6e7e35bc202904d362e71b (diff) | |
| download | linux-da68c30963c04d7badbda53021418df1f043c985.tar.xz | |
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: 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>
Diffstat (limited to 'drivers/clk/clk-axi-clkgen.c')
| -rw-r--r-- | drivers/clk/clk-axi-clkgen.c | 11 |
1 files changed, 11 insertions, 0 deletions
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, @@ -561,6 +568,10 @@ 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, }, |