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drm/sun4i: support A33 tcon
The A33 has a significantly different pipeline, with components that differ too. Make sure we had compatible for them. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
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@ -26,13 +26,14 @@ TCON
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The TCON acts as a timing controller for RGB, LVDS and TV interfaces.
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Required properties:
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- compatible: value should be "allwinner,sun5i-a13-tcon".
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- compatible: value must be either:
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* allwinner,sun5i-a13-tcon
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* allwinner,sun8i-a33-tcon
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- reg: base address and size of memory-mapped region
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- interrupts: interrupt associated to this IP
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- clocks: phandles to the clocks feeding the TCON. Three are needed:
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- 'ahb': the interface clocks
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- 'tcon-ch0': The clock driving the TCON channel 0
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- 'tcon-ch1': The clock driving the TCON channel 1
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- resets: phandles to the reset controllers driving the encoder
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- "lcd": the reset line for the TCON channel 0
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@ -49,6 +50,9 @@ Required properties:
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second the block connected to the TCON channel 1 (usually the TV
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encoder)
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On the A13, there is one more clock required:
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- 'tcon-ch1': The clock driving the TCON channel 1
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Display Engine Backend
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----------------------
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@ -59,6 +63,7 @@ system.
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Required properties:
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- compatible: value must be one of:
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* allwinner,sun5i-a13-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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- clocks: phandles to the clocks feeding the frontend and backend
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* ahb: the backend interface clock
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@ -80,6 +85,7 @@ deinterlacing and color space conversion.
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Required properties:
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- compatible: value must be one of:
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* allwinner,sun5i-a13-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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- clocks: phandles to the clocks feeding the frontend and backend
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@ -104,6 +110,7 @@ extra node.
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Required properties:
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- compatible: value must be one of:
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* allwinner,sun5i-a13-display-engine
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* allwinner,sun8i-a33-display-engine
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- allwinner,pipelines: list of phandle to the display engine
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frontends available.
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@ -345,6 +345,7 @@ static int sun4i_backend_remove(struct platform_device *pdev)
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static const struct of_device_id sun4i_backend_of_table[] = {
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{ .compatible = "allwinner,sun5i-a13-display-backend" },
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{ .compatible = "allwinner,sun8i-a33-display-backend" },
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{ }
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};
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MODULE_DEVICE_TABLE(of, sun4i_backend_of_table);
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@ -199,13 +199,14 @@ static const struct component_master_ops sun4i_drv_master_ops = {
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static bool sun4i_drv_node_is_frontend(struct device_node *node)
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{
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return of_device_is_compatible(node,
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"allwinner,sun5i-a13-display-frontend");
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return of_device_is_compatible(node, "allwinner,sun5i-a13-display-frontend") ||
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of_device_is_compatible(node, "allwinner,sun8i-a33-display-frontend");
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}
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static bool sun4i_drv_node_is_tcon(struct device_node *node)
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{
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return of_device_is_compatible(node, "allwinner,sun5i-a13-tcon");
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return of_device_is_compatible(node, "allwinner,sun5i-a13-tcon") ||
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of_device_is_compatible(node, "allwinner,sun8i-a33-tcon");
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}
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static int compare_of(struct device *dev, void *data)
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@ -320,6 +321,7 @@ static int sun4i_drv_remove(struct platform_device *pdev)
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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,sun8i-a33-display-engine" },
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{ }
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};
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MODULE_DEVICE_TABLE(of, sun4i_drv_of_table);
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@ -488,8 +488,13 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master,
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tcon->drm = drm;
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tcon->dev = dev;
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if (of_device_is_compatible(dev->of_node, "allwinner,sun5i-a13-tcon"))
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if (of_device_is_compatible(dev->of_node, "allwinner,sun5i-a13-tcon")) {
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tcon->has_mux = true;
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tcon->has_channel_1 = true;
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} else {
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tcon->has_mux = false;
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tcon->has_channel_1 = false;
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}
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tcon->lcd_rst = devm_reset_control_get(dev, "lcd");
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if (IS_ERR(tcon->lcd_rst)) {
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@ -585,6 +590,7 @@ static int sun4i_tcon_remove(struct platform_device *pdev)
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static const struct of_device_id sun4i_tcon_of_table[] = {
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{ .compatible = "allwinner,sun5i-a13-tcon" },
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{ .compatible = "allwinner,sun8i-a33-tcon" },
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{ }
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};
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MODULE_DEVICE_TABLE(of, sun4i_tcon_of_table);
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