Commit 9a8187c0 authored by Chen-Yu Tsai's avatar Chen-Yu Tsai Committed by Maxime Ripard
Browse files

drm/sun4i: Add support for A10 display pipeline components 



The A10 display pipeline has 2 frontends, 2 backends, and 2 TCONs.
This patch adds support (or a compatible string in the frontend's
case) for these components.

The TCONs support directly outputting to CPU/RGB/LVDS LCD panels,
or it can output to HDMI via an on-chip HDMI controller, or
CVBS/YPbPr/VGA signals via on-chip TV encoders. These additional
encoders are not covered in this patch.

Signed-off-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171017121807.2994-5-wens@csie.org
parent 7ea4291f

Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt

+3 −0
Original line number Diff line number Diff line
@@ -155,6 +155,7 @@ system. 


Required properties:

  - compatible: value must be one of:

    * allwinner,sun4i-a10-display-backend

    * allwinner,sun5i-a13-display-backend

    * allwinner,sun6i-a31-display-backend

    * allwinner,sun8i-a33-display-backend
@@ -187,6 +188,7 @@ deinterlacing and color space conversion. 


Required properties:

  - compatible: value must be one of:

    * allwinner,sun4i-a10-display-frontend

    * allwinner,sun5i-a13-display-frontend

    * allwinner,sun6i-a31-display-frontend

    * allwinner,sun8i-a33-display-frontend
@@ -233,6 +235,7 @@ extra node. 


Required properties:

  - compatible: value must be one of:

    * allwinner,sun4i-a10-display-engine

    * allwinner,sun5i-a10s-display-engine

    * allwinner,sun5i-a13-display-engine

    * allwinner,sun6i-a31-display-engine

drivers/gpu/drm/sun4i/sun4i_backend.c

+8 −0
Original line number Diff line number Diff line
@@ -514,6 +514,10 @@ static int sun4i_backend_remove(struct platform_device *pdev) 
	return 0;

}



static const struct sun4i_backend_quirks sun4i_backend_quirks = {

	.needs_output_muxing = true,

};



static const struct sun4i_backend_quirks sun5i_backend_quirks = {

};
@@ -524,6 +528,10 @@ static const struct sun4i_backend_quirks sun8i_a33_backend_quirks = { 
};



static const struct of_device_id sun4i_backend_of_table[] = {

	{

		.compatible = "allwinner,sun4i-a10-display-backend",

		.data = &sun4i_backend_quirks,

	},

	{

		.compatible = "allwinner,sun5i-a13-display-backend",

		.data = &sun5i_backend_quirks,

drivers/gpu/drm/sun4i/sun4i_drv.c

+3 −1
Original line number Diff line number Diff line
@@ -178,7 +178,8 @@ static bool sun4i_drv_node_is_connector(struct device_node *node) 


static bool sun4i_drv_node_is_frontend(struct device_node *node)

{

	return of_device_is_compatible(node, "allwinner,sun5i-a13-display-frontend") ||

	return of_device_is_compatible(node, "allwinner,sun4i-a10-display-frontend") ||

		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");

}
@@ -343,6 +344,7 @@ static int sun4i_drv_remove(struct platform_device *pdev) 
}



static const struct of_device_id sun4i_drv_of_table[] = {

	{ .compatible = "allwinner,sun4i-a10-display-engine" },

	{ .compatible = "allwinner,sun5i-a10s-display-engine" },

	{ .compatible = "allwinner,sun5i-a13-display-engine" },

	{ .compatible = "allwinner,sun6i-a31-display-engine" },

CRA Git | Maintained and supported by SUSTech CRA and CCSE