linux-kernel - [RFC 06/13] arm64: dts: allwinner: a64: Add DE2 pipeline

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Date:   Tue, 24 Apr 2018 19:04:18 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, Icenowy Zheng <icenowy@...c.io>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: [RFC 06/13] arm64: dts: allwinner: a64: Add DE2 pipeline

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 <jagan@...rulasolutions.com>
---
 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@...0000 {
+			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@...0000 {
 			compatible = "allwinner,sun50i-a64-system-controller",
 				"syscon";
@@ -200,6 +230,37 @@
 			#dma-cells = <1>;
 		};
 
+		tcon0: lcd-controller@...c000 {
+			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@...f000 {
 			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