drm/sun4i: Add support for A20 display pipeline components
The A20 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: Jonathan Liu <net147@gmail.com> [wens@csie.org: Expand commit message] Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171017121807.2994-6-wens@csie.org
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@ -91,6 +91,7 @@ Required properties:
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* allwinner,sun5i-a13-tcon
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* allwinner,sun6i-a31-tcon
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* allwinner,sun6i-a31s-tcon
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* allwinner,sun7i-a20-tcon
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* allwinner,sun8i-a33-tcon
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* allwinner,sun8i-v3s-tcon
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- reg: base address and size of memory-mapped region
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@ -158,6 +159,7 @@ Required properties:
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* allwinner,sun4i-a10-display-backend
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* allwinner,sun5i-a13-display-backend
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* allwinner,sun6i-a31-display-backend
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* allwinner,sun7i-a20-display-backend
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* allwinner,sun8i-a33-display-backend
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- reg: base address and size of the memory-mapped region.
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- interrupts: interrupt associated to this IP
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@ -191,6 +193,7 @@ Required properties:
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* allwinner,sun4i-a10-display-frontend
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* allwinner,sun5i-a13-display-frontend
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* allwinner,sun6i-a31-display-frontend
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* allwinner,sun7i-a20-display-frontend
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* allwinner,sun8i-a33-display-frontend
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- reg: base address and size of the memory-mapped region.
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- interrupts: interrupt associated to this IP
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@ -240,6 +243,7 @@ Required properties:
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* allwinner,sun5i-a13-display-engine
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* allwinner,sun6i-a31-display-engine
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* allwinner,sun6i-a31s-display-engine
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* allwinner,sun7i-a20-display-engine
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* allwinner,sun8i-a33-display-engine
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* allwinner,sun8i-v3s-display-engine
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@ -524,6 +524,10 @@ static const struct sun4i_backend_quirks sun5i_backend_quirks = {
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static const struct sun4i_backend_quirks sun6i_backend_quirks = {
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};
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static const struct sun4i_backend_quirks sun7i_backend_quirks = {
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.needs_output_muxing = true,
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};
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static const struct sun4i_backend_quirks sun8i_a33_backend_quirks = {
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};
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@ -540,6 +544,10 @@ static const struct of_device_id sun4i_backend_of_table[] = {
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.compatible = "allwinner,sun6i-a31-display-backend",
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.data = &sun6i_backend_quirks,
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},
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{
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.compatible = "allwinner,sun7i-a20-display-backend",
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.data = &sun7i_backend_quirks,
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},
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{
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.compatible = "allwinner,sun8i-a33-display-backend",
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.data = &sun8i_a33_backend_quirks,
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@ -181,6 +181,7 @@ static bool sun4i_drv_node_is_frontend(struct device_node *node)
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return of_device_is_compatible(node, "allwinner,sun4i-a10-display-frontend") ||
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of_device_is_compatible(node, "allwinner,sun5i-a13-display-frontend") ||
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of_device_is_compatible(node, "allwinner,sun6i-a31-display-frontend") ||
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of_device_is_compatible(node, "allwinner,sun7i-a20-display-frontend") ||
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of_device_is_compatible(node, "allwinner,sun8i-a33-display-frontend");
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}
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@ -190,6 +191,7 @@ static bool sun4i_drv_node_is_tcon(struct device_node *node)
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of_device_is_compatible(node, "allwinner,sun5i-a13-tcon") ||
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of_device_is_compatible(node, "allwinner,sun6i-a31-tcon") ||
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of_device_is_compatible(node, "allwinner,sun6i-a31s-tcon") ||
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of_device_is_compatible(node, "allwinner,sun7i-a20-tcon") ||
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of_device_is_compatible(node, "allwinner,sun8i-a33-tcon") ||
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of_device_is_compatible(node, "allwinner,sun8i-v3s-tcon");
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}
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@ -349,6 +351,7 @@ static const struct of_device_id sun4i_drv_of_table[] = {
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{ .compatible = "allwinner,sun5i-a13-display-engine" },
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{ .compatible = "allwinner,sun6i-a31-display-engine" },
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{ .compatible = "allwinner,sun6i-a31s-display-engine" },
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{ .compatible = "allwinner,sun7i-a20-display-engine" },
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{ .compatible = "allwinner,sun8i-a33-display-engine" },
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{ .compatible = "allwinner,sun8i-v3s-display-engine" },
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{ }
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@ -886,6 +886,12 @@ static const struct sun4i_tcon_quirks sun6i_a31s_quirks = {
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.needs_de_be_mux = true,
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};
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static const struct sun4i_tcon_quirks sun7i_a20_quirks = {
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.has_channel_1 = true,
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/* Same display pipeline structure as A10 */
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.set_mux = sun4i_a10_tcon_set_mux,
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};
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static const struct sun4i_tcon_quirks sun8i_a33_quirks = {
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/* nothing is supported */
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};
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@ -899,6 +905,7 @@ static const struct of_device_id sun4i_tcon_of_table[] = {
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{ .compatible = "allwinner,sun5i-a13-tcon", .data = &sun5i_a13_quirks },
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{ .compatible = "allwinner,sun6i-a31-tcon", .data = &sun6i_a31_quirks },
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{ .compatible = "allwinner,sun6i-a31s-tcon", .data = &sun6i_a31s_quirks },
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{ .compatible = "allwinner,sun7i-a20-tcon", .data = &sun7i_a20_quirks },
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{ .compatible = "allwinner,sun8i-a33-tcon", .data = &sun8i_a33_quirks },
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{ .compatible = "allwinner,sun8i-v3s-tcon", .data = &sun8i_v3s_quirks },
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{ }
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