diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
index b95696d748c75..b82c004494681 100644
--- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -28,6 +28,8 @@ The TCON acts as a timing controller for RGB, LVDS and TV interfaces.
Required properties:
- compatible: value must be either:
* allwinner,sun5i-a13-tcon
+ * allwinner,sun6i-a31-tcon
+ * allwinner,sun6i-a31s-tcon
* allwinner,sun8i-a33-tcon
- reg: base address and size of memory-mapped region
- interrupts: interrupt associated to this IP
@@ -50,7 +52,7 @@ Required properties:
second the block connected to the TCON channel 1 (usually the TV
encoder)
-On the A13, there is one more clock required:
+On SoCs other than the A33, there is one more clock required:
- 'tcon-ch1': The clock driving the TCON channel 1
DRC
@@ -64,6 +66,8 @@ adaptive backlight control.
Required properties:
- compatible: value must be one of:
+ * allwinner,sun6i-a31-drc
+ * allwinner,sun6i-a31s-drc
* allwinner,sun8i-a33-drc
- reg: base address and size of the memory-mapped region.
- interrupts: interrupt associated to this IP
@@ -87,6 +91,7 @@ system.
Required properties:
- compatible: value must be one of:
* allwinner,sun5i-a13-display-backend
+ * allwinner,sun6i-a31-display-backend
* allwinner,sun8i-a33-display-backend
- reg: base address and size of the memory-mapped region.
- clocks: phandles to the clocks feeding the frontend and backend
@@ -117,6 +122,7 @@ deinterlacing and color space conversion.
Required properties:
- compatible: value must be one of:
* allwinner,sun5i-a13-display-frontend
+ * allwinner,sun6i-a31-display-frontend
* allwinner,sun8i-a33-display-frontend
- reg: base address and size of the memory-mapped region.
- interrupts: interrupt associated to this IP
@@ -142,6 +148,8 @@ extra node.
Required properties:
- compatible: value must be one of:
* allwinner,sun5i-a13-display-engine
+ * allwinner,sun6i-a31-display-engine
+ * allwinner,sun6i-a31s-display-engine
* allwinner,sun8i-a33-display-engine
- allwinner,pipelines: list of phandle to the display engine
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index 32c0584e3c356..7eb2a965f83d8 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -95,6 +95,22 @@ static int sun4i_backend_drm_format_to_layer(struct drm_plane *plane,
*mode = SUN4I_BACKEND_LAY_FBFMT_ARGB8888;
break;
+ case DRM_FORMAT_ARGB4444:
+ *mode = SUN4I_BACKEND_LAY_FBFMT_ARGB4444;
+ break;
+
+ case DRM_FORMAT_ARGB1555:
+ *mode = SUN4I_BACKEND_LAY_FBFMT_ARGB1555;
+ break;
+
+ case DRM_FORMAT_RGBA5551:
+ *mode = SUN4I_BACKEND_LAY_FBFMT_RGBA5551;
+ break;
+
+ case DRM_FORMAT_RGBA4444:
+ *mode = SUN4I_BACKEND_LAY_FBFMT_RGBA4444;
+ break;
+
case DRM_FORMAT_XRGB8888:
*mode = SUN4I_BACKEND_LAY_FBFMT_XRGB8888;
break;
@@ -103,6 +119,10 @@ static int sun4i_backend_drm_format_to_layer(struct drm_plane *plane,
*mode = SUN4I_BACKEND_LAY_FBFMT_RGB888;
break;
+ case DRM_FORMAT_RGB565:
+ *mode = SUN4I_BACKEND_LAY_FBFMT_RGB565;
+ break;
+
default:
return -EINVAL;
}
@@ -408,6 +428,7 @@ static int sun4i_backend_remove(struct platform_device *pdev)
static const struct of_device_id sun4i_backend_of_table[] = {
{ .compatible = "allwinner,sun5i-a13-display-backend" },
+ { .compatible = "allwinner,sun6i-a31-display-backend" },
{ .compatible = "allwinner,sun8i-a33-display-backend" },
{ }
};
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index aae723cd6d797..2891aa914cfab 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -200,12 +200,15 @@ static const struct component_master_ops sun4i_drv_master_ops = {
static bool sun4i_drv_node_is_frontend(struct device_node *node)
{
return of_device_is_compatible(node, "allwinner,sun5i-a13-display-frontend") ||
+ of_device_is_compatible(node, "allwinner,sun6i-a31-display-frontend") ||
of_device_is_compatible(node, "allwinner,sun8i-a33-display-frontend");
}
static bool sun4i_drv_node_is_tcon(struct device_node *node)
{
return of_device_is_compatible(node, "allwinner,sun5i-a13-tcon") ||
+ of_device_is_compatible(node, "allwinner,sun6i-a31-tcon") ||
+ of_device_is_compatible(node, "allwinner,sun6i-a31s-tcon") ||
of_device_is_compatible(node, "allwinner,sun8i-a33-tcon");
}
@@ -321,6 +324,8 @@ static int sun4i_drv_remove(struct platform_device *pdev)
static const struct of_device_id sun4i_drv_of_table[] = {
{ .compatible = "allwinner,sun5i-a13-display-engine" },
+ { .compatible = "allwinner,sun6i-a31-display-engine" },
+ { .compatible = "allwinner,sun6i-a31s-display-engine" },
{ .compatible = "allwinner,sun8i-a33-display-engine" },
{ }
};
diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c
index f0035bf5efea6..5d53c977bca5d 100644
--- a/drivers/gpu/drm/sun4i/sun4i_layer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_layer.c
@@ -73,12 +73,18 @@ static const struct drm_plane_funcs sun4i_backend_layer_funcs = {
static const uint32_t sun4i_backend_layer_formats_primary[] = {
DRM_FORMAT_ARGB8888,
DRM_FORMAT_RGB888,
+ DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
};
static const uint32_t sun4i_backend_layer_formats_overlay[] = {
DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_ARGB4444,
+ DRM_FORMAT_ARGB1555,
+ DRM_FORMAT_RGBA5551,
+ DRM_FORMAT_RGBA4444,
DRM_FORMAT_RGB888,
+ DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
};
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index cadacb517f958..c6afb24486552 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -20,6 +20,7 @@
#include <linux/component.h>
#include <linux/ioport.h>
#include <linux/of_address.h>
+#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/of_irq.h>
#include <linux/regmap.h>
@@ -62,7 +63,7 @@ void sun4i_tcon_channel_disable(struct sun4i_tcon *tcon, int channel)
return;
}
- WARN_ON(!tcon->has_channel_1);
+ WARN_ON(!tcon->quirks->has_channel_1);
regmap_update_bits(tcon->regs, SUN4I_TCON1_CTL_REG,
SUN4I_TCON1_CTL_TCON_ENABLE, 0);
clk_disable_unprepare(tcon->sclk1);
@@ -80,7 +81,7 @@ void sun4i_tcon_channel_enable(struct sun4i_tcon *tcon, int channel)
return;
}
- WARN_ON(!tcon->has_channel_1);
+ WARN_ON(!tcon->quirks->has_channel_1);
regmap_update_bits(tcon->regs, SUN4I_TCON1_CTL_REG,
SUN4I_TCON1_CTL_TCON_ENABLE,
SUN4I_TCON1_CTL_TCON_ENABLE);
@@ -202,7 +203,7 @@ void sun4i_tcon1_mode_set(struct sun4i_tcon *tcon,
u8 clk_delay;
u32 val;
- WARN_ON(!tcon->has_channel_1);
+ WARN_ON(!tcon->quirks->has_channel_1);
/* Adjust clock delay */
clk_delay = sun4i_tcon_get_clk_delay(mode, 1);
@@ -266,7 +267,7 @@ void sun4i_tcon1_mode_set(struct sun4i_tcon *tcon,
/*
* FIXME: Undocumented bits
*/
- if (tcon->has_mux)
+ if (tcon->quirks->has_unknown_mux)
regmap_write(tcon->regs, SUN4I_TCON_MUX_CTRL_REG, 1);
}
EXPORT_SYMBOL(sun4i_tcon1_mode_set);
@@ -327,7 +328,7 @@ static int sun4i_tcon_init_clocks(struct device *dev,
return PTR_ERR(tcon->sclk0);
}
- if (tcon->has_channel_1) {
+ if (tcon->quirks->has_channel_1) {
tcon->sclk1 = devm_clk_get(dev, "tcon-ch1");
if (IS_ERR(tcon->sclk1)) {
dev_err(dev, "Couldn't get the TCON channel 1 clock\n");
@@ -487,14 +488,7 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master,
drv->tcon = tcon;
tcon->drm = drm;
tcon->dev = dev;
-
- if (of_device_is_compatible(dev->of_node, "allwinner,sun5i-a13-tcon")) {
- tcon->has_mux = true;
- tcon->has_channel_1 = true;
- } else {
- tcon->has_mux = false;
- tcon->has_channel_1 = false;
- }
+ tcon->quirks = of_device_get_match_data(dev);
tcon->lcd_rst = devm_reset_control_get(dev, "lcd");
if (IS_ERR(tcon->lcd_rst)) {
@@ -588,9 +582,28 @@ static int sun4i_tcon_remove(struct platform_device *pdev)
return 0;
}
+static const struct sun4i_tcon_quirks sun5i_a13_quirks = {
+ .has_unknown_mux = true,
+ .has_channel_1 = true,
+};
+
+static const struct sun4i_tcon_quirks sun6i_a31_quirks = {
+ .has_channel_1 = true,
+};
+
+static const struct sun4i_tcon_quirks sun6i_a31s_quirks = {
+ .has_channel_1 = true,
+};
+
+static const struct sun4i_tcon_quirks sun8i_a33_quirks = {
+ /* nothing is supported */
+};
+
static const struct of_device_id sun4i_tcon_of_table[] = {
- { .compatible = "allwinner,sun5i-a13-tcon" },
- { .compatible = "allwinner,sun8i-a33-tcon" },
+ { .compatible = "allwinner,sun5i-a13-tcon", .data = &sun5i_a13_quirks },
+ { .compatible = "allwinner,sun6i-a31-tcon", .data = &sun6i_a31_quirks },
+ { .compatible = "allwinner,sun6i-a31s-tcon", .data = &sun6i_a31s_quirks },
+ { .compatible = "allwinner,sun8i-a33-tcon", .data = &sun8i_a33_quirks },
{ }
};
MODULE_DEVICE_TABLE(of, sun4i_tcon_of_table);
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h
index 12bd48925f4d9..166064bafe2eb 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.h
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h
@@ -142,6 +142,11 @@
#define SUN4I_TCON_MAX_CHANNELS 2
+struct sun4i_tcon_quirks {
+ bool has_unknown_mux; /* sun5i has undocumented mux */
+ bool has_channel_1; /* a33 does not have channel 1 */
+};
+
struct sun4i_tcon {
struct device *dev;
struct drm_device *drm;
@@ -160,12 +165,10 @@ struct sun4i_tcon {
/* Reset control */
struct reset_control *lcd_rst;
- /* Platform adjustments */
- bool has_mux;
-
struct drm_panel *panel;
- bool has_channel_1;
+ /* Platform adjustments */
+ const struct sun4i_tcon_quirks *quirks;
};
struct drm_bridge *sun4i_tcon_find_bridge(struct device_node *node);
diff --git a/drivers/gpu/drm/sun4i/sun6i_drc.c b/drivers/gpu/drm/sun4i/sun6i_drc.c
index bf6d846d81322..6ef707c5a719e 100644
--- a/drivers/gpu/drm/sun4i/sun6i_drc.c
+++ b/drivers/gpu/drm/sun4i/sun6i_drc.c
@@ -98,6 +98,8 @@ static int sun6i_drc_remove(struct platform_device *pdev)
}
static const struct of_device_id sun6i_drc_of_table[] = {
+ { .compatible = "allwinner,sun6i-a31-drc" },
+ { .compatible = "allwinner,sun6i-a31s-drc" },
{ .compatible = "allwinner,sun8i-a33-drc" },
{ }
};