alt_ref is there only for Versal Net. Remove the alt_ref for versal. Changes in v2: - Have specific constraints for versal and versal net. Shubhrajyoti Datta (2): dt-bindings: clock: versal: Make alt_ref optional dt-bindings: firmware: Remove alt_ref from versal example .../bindings/clock/xlnx,versal-clk.yaml | 31 +++++++++++++++---- .../firmware/xilinx/xlnx,zynqmp-firmware.yaml | 4 +-- 2 files changed, 27 insertions(+), 8 deletions(-) -- 2.17.1