From 0aef2f0db6db22c2a441e067d8e8458106fb0483 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nuno=20S=C3=A1?= Date: Fri, 24 Apr 2026 18:29:04 +0100 Subject: [PATCH] clk: clk-axi-clkgen: Add support versal timings MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add proper VCO and PFD limits for versal based platforms. For that we need to add new Technology and Speed grade defines. Signed-off-by: Nuno Sá Reviewed-by: Brian Masney Signed-off-by: Stephen Boyd --- drivers/clk/clk-axi-clkgen.c | 5 ++++- include/linux/adi-axi-common.h | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/clk/clk-axi-clkgen.c b/drivers/clk/clk-axi-clkgen.c index fa5ccef73e60..26f76a6db820 100644 --- a/drivers/clk/clk-axi-clkgen.c +++ b/drivers/clk/clk-axi-clkgen.c @@ -521,7 +521,7 @@ static int axi_clkgen_setup_limits(struct axi_clkgen *axi_clkgen, axi_clkgen->limits.fvco_max = 1200000; axi_clkgen->limits.fpfd_max = 450000; break; - case ADI_AXI_FPGA_SPEED_2 ... ADI_AXI_FPGA_SPEED_2LV: + case ADI_AXI_FPGA_SPEED_2 ... ADI_AXI_FPGA_SPEED_2MP: axi_clkgen->limits.fvco_max = 1440000; axi_clkgen->limits.fpfd_max = 500000; if (family == ADI_AXI_FPGA_FAMILY_KINTEX || family == ADI_AXI_FPGA_FAMILY_ARTIX) { @@ -546,6 +546,9 @@ static int axi_clkgen_setup_limits(struct axi_clkgen *axi_clkgen, if (tech == ADI_AXI_FPGA_TECH_ULTRASCALE_PLUS) { axi_clkgen->limits.fvco_max = 1600000; axi_clkgen->limits.fvco_min = 800000; + } else if (tech == ADI_AXI_FPGA_TECH_VERSAL) { + axi_clkgen->limits.fvco_max = 4320000; + axi_clkgen->limits.fvco_min = 2160000; } return 0; diff --git a/include/linux/adi-axi-common.h b/include/linux/adi-axi-common.h index 37962ba530df..e7ba393061ee 100644 --- a/include/linux/adi-axi-common.h +++ b/include/linux/adi-axi-common.h @@ -51,6 +51,7 @@ enum adi_axi_fpga_technology { ADI_AXI_FPGA_TECH_SERIES7, ADI_AXI_FPGA_TECH_ULTRASCALE, ADI_AXI_FPGA_TECH_ULTRASCALE_PLUS, + ADI_AXI_FPGA_TECH_VERSAL, }; enum adi_axi_fpga_family { @@ -71,6 +72,7 @@ enum adi_axi_fpga_speed_grade { ADI_AXI_FPGA_SPEED_2 = 20, ADI_AXI_FPGA_SPEED_2L = 21, ADI_AXI_FPGA_SPEED_2LV = 22, + ADI_AXI_FPGA_SPEED_2MP = 23, ADI_AXI_FPGA_SPEED_3 = 30, };