dm: demo: Add a simple GPIO demonstration
Add a new 'demo light' command which uses GPIOs to control imaginary lights.
Each light is assigned a bit number in the overall value. This provides an
example driver for using the new GPIO API.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/dm-demo.h b/include/dm-demo.h
index a24fec6..03722d0 100644
--- a/include/dm-demo.h
+++ b/include/dm-demo.h
@@ -25,10 +25,14 @@
struct demo_ops {
int (*hello)(struct udevice *dev, int ch);
int (*status)(struct udevice *dev, int *status);
+ int (*set_light)(struct udevice *dev, int light);
+ int (*get_light)(struct udevice *dev);
};
int demo_hello(struct udevice *dev, int ch);
int demo_status(struct udevice *dev, int *status);
+int demo_set_light(struct udevice *dev, int light);
+int demo_get_light(struct udevice *dev);
int demo_list(void);
int demo_parse_dt(struct udevice *dev);