The display pipeline on A64 has similar behavior like A83T,
so use A83 compatible strings for probing relevant drivers.

Added Mixer0, tcon0 has initial support, rest will add eventually.

Signed-off-by: Jagan Teki <[email protected]>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 61 +++++++++++++++++++++++++++
 drivers/gpu/drm/sun4i/sun4i_drv.c             |  1 +
 2 files changed, 62 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi 
b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 67b80bbe5bf5..b8734319dc77 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -107,6 +107,12 @@
                };
        };
 
+       de: display-engine {
+               compatible = "allwinner,sun50i-a64-display-engine";
+               allwinner,pipelines = <&mixer0>;
+               status = "disabled";
+       };
+
        osc24M: osc24M_clk {
                #clock-cells = <0>;
                compatible = "fixed-clock";
@@ -183,6 +189,30 @@
                        #reset-cells = <1>;
                };
 
+               mixer0: mixer@1100000 {
+                       compatible = "allwinner,sun50i-a64-de2-mixer-0",
+                                    "allwinner,sun8i-a83t-de2-mixer-0";
+                       reg = <0x01100000 0x100000>;
+                       clocks = <&display_clocks CLK_BUS_MIXER0>,
+                                <&display_clocks CLK_MIXER0>;
+                       clock-names = "bus",
+                                     "mod";
+                       resets = <&display_clocks RST_MIXER0>;
+
+                       ports {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               mixer0_out: port@1 {
+                                       reg = <1>;
+
+                                       mixer0_out_tcon0: endpoint {
+                                               remote-endpoint = 
<&tcon0_in_mixer0>;
+                                       };
+                               };
+                       };
+               };
+
                syscon: syscon@1c00000 {
                        compatible = "allwinner,sun50i-a64-system-controller",
                                "syscon";
@@ -200,6 +230,37 @@
                        #dma-cells = <1>;
                };
 
+               tcon0: lcd-controller@1c0c000 {
+                       compatible = "allwinner,sun50i-a64-tcon-lcd",
+                                    "allwinner,sun8i-a83t-tcon-lcd";
+                       reg = <0x01c0c000 0x1000>;
+                       interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&ccu CLK_BUS_TCON0>, <&ccu CLK_TCON0>;
+                       clock-names = "ahb", "tcon-ch0";
+                       clock-output-names = "tcon-pixel-clock";
+                       resets = <&ccu RST_BUS_TCON0>;
+                       reset-names = "lcd";
+
+                       ports {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               tcon0_in: port@0 {
+                                       reg = <0>;
+
+                                       tcon0_in_mixer0: endpoint {
+                                               remote-endpoint = 
<&mixer0_out_tcon0>;
+                                       };
+                               };
+
+                               tcon0_out: port@1 {
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
+                                       reg = <1>;
+                               };
+                       };
+               };
+
                mmc0: mmc@1c0f000 {
                        compatible = "allwinner,sun50i-a64-mmc";
                        reg = <0x01c0f000 0x1000>;
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c 
b/drivers/gpu/drm/sun4i/sun4i_drv.c
index 50d19605c38f..c84102a750f8 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -368,6 +368,7 @@ static const struct of_device_id sun4i_drv_of_table[] = {
        { .compatible = "allwinner,sun8i-h3-display-engine" },
        { .compatible = "allwinner,sun8i-v3s-display-engine" },
        { .compatible = "allwinner,sun9i-a80-display-engine" },
+       { .compatible = "allwinner,sun50i-a64-display-engine" },
        { }
 };
 MODULE_DEVICE_TABLE(of, sun4i_drv_of_table);
-- 
2.14.3

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