# Copyright (c) 2022-2025 Espressif Systems (Shanghai) Co., Ltd. # SPDX-License-Identifier: Apache-2.0 # # Notes: # - I/O GPIO pads are 0-23, 25-27, 32-39 # - the output GPIOs are 0-23, 25-27, 32-33 # - GPIOs 34-39 are input ­only and do not have software-enabled pu/pd uart0: tx: sigo: u0txd_out gpio: [[0, 23], [25, 27], [32, 33]] rx: sigi: u0rxd_in gpio: [[0, 23], [25, 27], [32, 39]] rts: sigo: u0rts_out gpio: [[0, 23], [25, 27], [32, 33]] cts: sigi: u0cts_in gpio: [[0, 23], [25, 27], [32, 39]] dtr: sigo: u0dtr_out gpio: [[0, 23], [25, 27], [32, 39]] dsr: sigi: u0dsr_in gpio: [[0, 23], [25, 27], [32, 39]] uart1: tx: sigo: u1txd_out gpio: [[0, 23], [25, 27], [32, 33]] rx: sigi: u1rxd_in gpio: [[0, 23], [25, 27], [32, 39]] rts: sigo: u1rts_out gpio: [[0, 23], [25, 27], [32, 33]] cts: sigi: u1cts_in gpio: [[0, 23], [25, 27], [32, 39]] dtr: sigo: u1dtr_out gpio: [[0, 23], [25, 27], [32, 39]] dsr: sigi: u1dsr_in gpio: [[0, 23], [25, 27], [32, 39]] uart2: tx: sigo: u2txd_out gpio: [[0, 23], [25, 27], [32, 33]] rx: sigi: u2rxd_in gpio: [[0, 23], [25, 27], [32, 39]] rts: sigo: u2rts_out gpio: [[0, 23], [25, 27], [32, 33]] cts: sigi: u2cts_in gpio: [[0, 23], [25, 27], [32, 39]] spim2: miso: sigi: hspiq_in gpio: [[0, 23], [25, 27], [32, 39]] mosi: sigo: hspid_out gpio: [[0, 23], [25, 27], [32, 33]] sclk: sigo: hspiclk_out gpio: [[0, 23], [25, 27], [32, 33]] csel: sigo: hspics0_out gpio: [[0, 23], [25, 27], [32, 33]] csel1: sigo: hspics1_out gpio: [[0, 23], [25, 27], [32, 33]] csel2: sigo: hspics2_out gpio: [[0, 23], [25, 27], [32, 33]] spim3: miso: sigi: vspiq_in gpio: [[0, 23], [25, 27], [32, 39]] mosi: sigo: vspid_out gpio: [[0, 23], [25, 27], [32, 33]] sclk: sigo: vspiclk_out gpio: [[0, 23], [25, 27], [32, 33]] csel: sigo: vspics0_out gpio: [[0, 23], [25, 27], [32, 33]] csel1: sigo: vspics1_out gpio: [[0, 23], [25, 27], [32, 33]] csel2: sigo: vspics2_out gpio: [[0, 23], [25, 27], [32, 33]] i2c0: sda: sigi: i2cext0_sda_in sigo: i2cext0_sda_out gpio: [[0, 23], [25, 27], [32, 33]] scl: sigi: i2cext0_scl_in sigo: i2cext0_scl_out gpio: [[0, 23], [25, 27], [32, 33]] i2c1: sda: sigi: i2cext1_sda_in sigo: i2cext1_sda_out gpio: [[0, 23], [25, 27], [32, 33]] scl: sigi: i2cext1_scl_in sigo: i2cext1_scl_out gpio: [[0, 23], [25, 27], [32, 33]] i2s0: i_bck: sigi: i2s0i_bck_in sigo: i2s0i_bck_out gpio: [[0, 23], [25, 27], [32, 39]] i_ws: sigi: i2s0i_ws_in sigo: i2s0i_ws_out gpio: [[0, 23], [25, 27], [32, 39]] i_sd: sigi: i2s0i_data_in15 gpio: [[0, 23], [25, 27], [32, 39]] o_bck: sigi: i2s0o_bck_in sigo: i2s0o_bck_out gpio: [[0, 23], [25, 27], [32, 39]] o_ws: sigi: i2s0o_ws_in sigo: i2s0o_ws_out gpio: [[0, 23], [25, 27], [32, 39]] o_sd: sigo: i2s0o_data_out23 gpio: [[0, 23], [25, 27], [32, 33]] i2s1: i_bck: sigi: i2s1i_bck_in sigo: i2s1i_bck_out gpio: [[0, 23], [25, 27], [32, 39]] i_ws: sigi: i2s1i_ws_in sigo: i2s1i_ws_out gpio: [[0, 23], [25, 27], [32, 39]] i_sd: sigi: i2s1i_data_in15 gpio: [[0, 23], [25, 27], [32, 39]] o_bck: sigi: i2s1o_bck_in sigo: i2s1o_bck_out gpio: [[0, 23], [25, 27], [32, 39]] o_ws: sigi: i2s1o_ws_in sigo: i2s1o_ws_out gpio: [[0, 23], [25, 27], [32, 39]] o_sd: sigo: i2s1o_data_out23 gpio: [[0, 23], [25, 27], [32, 33]] twai: rx: sigi: twai_rx gpio: [[0, 23], [25, 27], [32, 39]] tx: sigo: twai_tx gpio: [[0, 23], [25, 27], [32, 33]] clkout: sigo: twai_clkout gpio: [[0, 23], [25, 27], [32, 33]] bus_off: sigo: twai_bus_off_on gpio: [[0, 23], [25, 27], [32, 33]] ledc: ch0: sigo: ledc_ls_sig_out0 gpio: [[0, 23], [25, 27], [32, 33]] ch1: sigo: ledc_ls_sig_out1 gpio: [[0, 23], [25, 27], [32, 33]] ch2: sigo: ledc_ls_sig_out2 gpio: [[0, 23], [25, 27], [32, 33]] ch3: sigo: ledc_ls_sig_out3 gpio: [[0, 23], [25, 27], [32, 33]] ch4: sigo: ledc_ls_sig_out4 gpio: [[0, 23], [25, 27], [32, 33]] ch5: sigo: ledc_ls_sig_out5 gpio: [[0, 23], [25, 27], [32, 33]] ch6: sigo: ledc_ls_sig_out6 gpio: [[0, 23], [25, 27], [32, 33]] ch7: sigo: ledc_ls_sig_out7 gpio: [[0, 23], [25, 27], [32, 33]] ch8: sigo: ledc_hs_sig_out0 gpio: [[0, 23], [25, 27], [32, 33]] ch9: sigo: ledc_hs_sig_out1 gpio: [[0, 23], [25, 27], [32, 33]] ch10: sigo: ledc_hs_sig_out2 gpio: [[0, 23], [25, 27], [32, 33]] ch11: sigo: ledc_hs_sig_out3 gpio: [[0, 23], [25, 27], [32, 33]] ch12: sigo: ledc_hs_sig_out4 gpio: [[0, 23], [25, 27], [32, 33]] ch13: sigo: ledc_hs_sig_out5 gpio: [[0, 23], [25, 27], [32, 33]] ch14: sigo: ledc_hs_sig_out6 gpio: [[0, 23], [25, 27], [32, 33]] ch15: sigo: ledc_hs_sig_out7 gpio: [[0, 23], [25, 27], [32, 33]] mcpwm0: out0a: sigo: pwm0_out0a gpio: [[0, 23], [25, 27], [32, 33]] out0b: sigo: pwm0_out0b gpio: [[0, 23], [25, 27], [32, 33]] out1a: sigo: pwm0_out1a gpio: [[0, 23], [25, 27], [32, 33]] out1b: sigo: pwm0_out1b gpio: [[0, 23], [25, 27], [32, 33]] out2a: sigo: pwm0_out2a gpio: [[0, 23], [25, 27], [32, 33]] out2b: sigo: pwm0_out2b gpio: [[0, 23], [25, 27], [32, 33]] sync0: sigi: pwm0_sync0_in gpio: [[0, 23], [25, 27], [32, 39]] sync1: sigi: pwm0_sync1_in gpio: [[0, 23], [25, 27], [32, 39]] sync2: sigi: pwm0_sync2_in gpio: [[0, 23], [25, 27], [32, 39]] fault0: sigi: pwm0_f0_in gpio: [[0, 23], [25, 27], [32, 39]] fault1: sigi: pwm0_f1_in gpio: [[0, 23], [25, 27], [32, 39]] fault2: sigi: pwm0_f2_in gpio: [[0, 23], [25, 27], [32, 39]] cap0: sigi: pwm0_cap0_in gpio: [[0, 23], [25, 27], [32, 39]] cap1: sigi: pwm0_cap1_in gpio: [[0, 23], [25, 27], [32, 39]] cap2: sigi: pwm0_cap2_in gpio: [[0, 23], [25, 27], [32, 39]] mcpwm1: out0a: sigo: pwm1_out0a gpio: [[0, 23], [25, 27], [32, 33]] out0b: sigo: pwm1_out0b gpio: [[0, 23], [25, 27], [32, 33]] out1a: sigo: pwm1_out1a gpio: [[0, 23], [25, 27], [32, 33]] out1b: sigo: pwm1_out1b gpio: [[0, 23], [25, 27], [32, 33]] out2a: sigo: pwm1_out2a gpio: [[0, 23], [25, 27], [32, 33]] out2b: sigo: pwm1_out2b gpio: [[0, 23], [25, 27], [32, 33]] sync0: sigi: pwm1_sync0_in gpio: [[0, 23], [25, 27], [32, 39]] sync1: sigi: pwm1_sync1_in gpio: [[0, 23], [25, 27], [32, 39]] sync2: sigi: pwm1_sync2_in gpio: [[0, 23], [25, 27], [32, 39]] fault0: sigi: pwm1_f0_in gpio: [[0, 23], [25, 27], [32, 39]] fault1: sigi: pwm1_f1_in gpio: [[0, 23], [25, 27], [32, 39]] fault2: sigi: pwm1_f2_in gpio: [[0, 23], [25, 27], [32, 39]] cap0: sigi: pwm1_cap0_in gpio: [[0, 23], [25, 27], [32, 39]] cap1: sigi: pwm1_cap1_in gpio: [[0, 23], [25, 27], [32, 39]] cap2: sigi: pwm1_cap2_in gpio: [[0, 23], [25, 27], [32, 39]] pcnt0: ch0sig: sigi: pcnt_sig_ch0_in0 gpio: [[0, 23], [25, 27], [32, 39]] ch0ctrl: sigi: pcnt_ctrl_ch0_in0 gpio: [[0, 23], [25, 27], [32, 39]] ch1sig: sigi: pcnt_sig_ch1_in0 gpio: [[0, 23], [25, 27], [32, 39]] ch1ctrl: sigi: pcnt_ctrl_ch1_in0 gpio: [[0, 23], [25, 27], [32, 39]] pcnt1: ch0sig: sigi: pcnt_sig_ch0_in1 gpio: [[0, 23], [25, 27], [32, 39]] ch0ctrl: sigi: pcnt_ctrl_ch0_in1 gpio: [[0, 23], [25, 27], [32, 39]] ch1sig: sigi: pcnt_sig_ch1_in1 gpio: [[0, 23], [25, 27], [32, 39]] ch1ctrl: sigi: pcnt_ctrl_ch1_in1 gpio: [[0, 23], [25, 27], [32, 39]] pcnt2: ch0sig: sigi: pcnt_sig_ch0_in3 gpio: [[0, 23], [25, 27], [32, 39]] ch0ctrl: sigi: pcnt_ctrl_ch0_in2 gpio: [[0, 23], [25, 27], [32, 39]] ch1sig: sigi: pcnt_sig_ch1_in2 gpio: [[0, 23], [25, 27], [32, 39]] ch1ctrl: sigi: pcnt_ctrl_ch1_in2 gpio: [[0, 23], [25, 27], [32, 39]] pcnt3: ch0sig: sigi: pcnt_sig_ch0_in3 gpio: [[0, 23], [25, 27], [32, 39]] ch0ctrl: sigi: pcnt_ctrl_ch0_in3 gpio: [[0, 23], [25, 27], [32, 39]] ch1sig: sigi: pcnt_sig_ch1_in3 gpio: [[0, 23], [25, 27], [32, 39]] ch1ctrl: sigi: pcnt_ctrl_ch1_in3 gpio: [[0, 23], [25, 27], [32, 39]] pcnt4: ch0sig: sigi: pcnt_sig_ch0_in4 gpio: [[0, 23], [25, 27], [32, 39]] ch0ctrl: sigi: pcnt_ctrl_ch0_in4 gpio: [[0, 23], [25, 27], [32, 39]] ch1sig: sigi: pcnt_sig_ch1_in4 gpio: [[0, 23], [25, 27], [32, 39]] ch1ctrl: sigi: pcnt_ctrl_ch1_in4 gpio: [[0, 23], [25, 27], [32, 39]] pcnt5: ch0sig: sigi: pcnt_sig_ch0_in5 gpio: [[0, 23], [25, 27], [32, 39]] ch0ctrl: sigi: pcnt_ctrl_ch0_in5 gpio: [[0, 23], [25, 27], [32, 39]] ch1sig: sigi: pcnt_sig_ch1_in5 gpio: [[0, 23], [25, 27], [32, 39]] ch1ctrl: sigi: pcnt_ctrl_ch1_in5 gpio: [[0, 23], [25, 27], [32, 39]] pcnt6: ch0sig: sigi: pcnt_sig_ch0_in6 gpio: [[0, 23], [25, 27], [32, 39]] ch0ctrl: sigi: pcnt_ctrl_ch0_in6 gpio: [[0, 23], [25, 27], [32, 39]] ch1sig: sigi: pcnt_sig_ch1_in6 gpio: [[0, 23], [25, 27], [32, 39]] ch1ctrl: sigi: pcnt_ctrl_ch1_in6 gpio: [[0, 23], [25, 27], [32, 39]] pcnt7: ch0sig: sigi: pcnt_sig_ch0_in7 gpio: [[0, 23], [25, 27], [32, 39]] ch0ctrl: sigi: pcnt_ctrl_ch0_in7 gpio: [[0, 23], [25, 27], [32, 39]] ch1sig: sigi: pcnt_sig_ch1_in7 gpio: [[0, 23], [25, 27], [32, 39]] ch1ctrl: sigi: pcnt_ctrl_ch1_in7 gpio: [[0, 23], [25, 27], [32, 39]] smi: mdc: sigo: emac_mdc_o gpio: [[0, 23], [25, 27], [32, 33]] mdio: sigi: emac_mdi_i sigo: emac_mdo_o gpio: [[0, 23], [25, 27], [32, 33]] dac: ch1: sigo: dac1_out gpio: [25] ch2: sigo: dac2_out gpio: [26] sdhc0: cd: sigi: host_card_detect_n_2 gpio: [[5, 11], [16, 23], [25, 27], [32, 39]] wp: sigi: host_card_write_prt_2 gpio: [[5, 11], [16, 23], [25, 27], [32, 39]]