description: | GPIO-controlled 16-channel analog/digital multiplexer/demultiplexer. The CD74HC4067 has 4 selection pins (S0-S3) that select one of 16 channels. Supports optional common enable pin for power management. compatible: "cd74hc4067" include: base.yaml properties: sel-gpios: type: phandle-array required: true description: | GPIO pins for channel selection (S0-S3). Array must contain exactly 4 GPIOs: - Index 0: S0 (LSB) - Index 1: S1 - Index 2: S2 - Index 3: S3 (MSB) enable-gpios: type: phandle-array description: | Optional GPIO for common enable pin (E). When low, enables the multiplexer. When high, disables it.