Adafruit iconAdafruitSep 7, 2026

New gpclk overlays for Raspberry Pis

Raspberry Pi has added a pair of device tree overlays that turn one of the general purpose clock outputs, GPCLK, into a clock signal on a GPIO pin. The trick was possible years ago with a custom dt-blob.bin, which is no longer supported.

New gpclk overlays for Raspberry Pis

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Raspberry Pi has added a pair of device tree overlays that turn one of the general purpose clock outputs, GPCLK, into a clock signal on a GPIO pin.

The trick was possible years ago with a custom dt-blob.bin, which is no longer supported.

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Raspberry Pi has added a pair of device tree overlays that turn one of the general purpose clock outputs, GPCLK, into a clock signal on a GPIO pin. The trick was possible years ago with a custom dt-blob.bin, which is no longer supported. The pint can stand in for a crystal in a project.

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The pint can stand in for a crystal in a project.

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