drm/sun4i: backend: Save pointer to device tree node
Save a pointer to the backend's underlying device tree node in its
data structure. This will be used later for downstream tcons to find
and match their respective upstream backends.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h
index 45b7fc1..6327a29 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.h
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.h
@@ -15,6 +15,7 @@
#include <linux/clk.h>
#include <linux/list.h>
+#include <linux/of.h>
#include <linux/regmap.h>
#include <linux/reset.h>
@@ -140,6 +141,7 @@
#define SUN4I_BACKEND_PIPE_OFF(p) (0x5000 + (0x400 * (p)))
struct sun4i_backend {
+ struct device_node *node;
struct regmap *regs;
struct reset_control *reset;