pub fn with_pixel_clock(self, pclk: impl PeripheralInput<'d>) -> Self {
        let pclk = pclk.into();

        pclk.apply_input_config(&InputConfig::default());
        pclk.set_input_enable(true);
        InputSignal::CAM_PCLK.connect_to(&pclk);

        self
    }
Configures the pixel clock (PCLK) pin for the camera interface.
esp-hal/src/lcd_cam/cam.rs