1 files changed, 7 insertions, 0 deletions
diff --git a/src/linux/gpio.h b/src/linux/gpio.h
index ff8e0cc2..d177581c 100644
--- a/src/linux/gpio.h
+++ b/src/linux/gpio.h
@@ -28,4 +28,11 @@ void spi_prepare(struct spi_config config);
 void spi_transfer(struct spi_config config, uint8_t receive_data
                   , uint8_t len, uint8_t *data);
 
+struct gpio_pwm {
+    int fd;
+    uint32_t period;
+};
+struct gpio_pwm gpio_pwm_setup(uint8_t pin, uint32_t cycle_time, uint16_t val);
+void gpio_pwm_write(struct gpio_pwm g, uint16_t val);
+
 #endif // gpio.h