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040000 tree 2b33506daa0bdcf86bc93f94b90685ba36ca7c58	models
040000 tree 09f974511ca021115c232cc1ce07932a741da7ca	patches
040000 tree 4d1845efcf2d7828a2babcc7d94d51984cf00d80	scripts
040000 tree 70faa8a99e30366ee69d8a7137b843553b810039	sky130_fd_io
040000 tree 144b9f127141ec531068833e3355896b0bc6c6e7	sky130_fd_pr
040000 tree 8165e9a25b80df57e90af0ab3a6b999e90b486e6	sky130_fd_sc_hd