linux-kernel - [PATCH v3 8/9] ARM: dts: sun8i: r40: Add MIPI DSI pipeline

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Message-Id: <20191231130528.20669-9-jagan@amarulasolutions.com>
Date:   Tue, 31 Dec 2019 18:35:27 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Rob Herring <robh+dt@...nel.org>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        linux-amarula@...rulasolutions.com,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: [PATCH v3 8/9] ARM: dts: sun8i: r40: Add MIPI DSI pipeline

Add MIPI DSI pipeline for Allwinner R40.

Unlike conventional Display pipeline in allwinner, R40 have
TCON TCOP which would interact various block like muxes,
tcon lcd, tcon_tv for better pipeline fitting.

For MIPI DSI pipeline, we have to configure the tcon_lcd0
block which would interact with tcon_top for upper pipeline
connections and dsi block for lower pipeline connections.

So, this patch created that pipeline by adding new nodes
for tcon_lcd0, dsi, dphy and connet them to make proper
pipeline fitting.

Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
---
Changes for v3:
- drop clock-names in dsi node

 arch/arm/boot/dts/sun8i-r40.dtsi | 72 ++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 3faa35d43afa..4c61e93d9a0b 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -628,6 +628,7 @@
 
 					tcon_top_mixer0_out_tcon_lcd0: endpoint@0 {
 						reg = <0>;
+						remote-endpoint = <&tcon_lcd0_in_tcon_top_mixer0>;
 					};
 
 					tcon_top_mixer0_out_tcon_lcd1: endpoint@1 {
@@ -706,6 +707,45 @@
 			};
 		};
 
+		tcon_lcd0: lcd-controller@...1000 {
+			compatible = "allwinner,sun8i-r40-tcon-lcd";
+			reg = <0x01c71000 0x1000>;
+			interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_TCON_LCD0>, <&ccu CLK_TCON_LCD0>;
+			clock-names = "ahb", "tcon-ch0";
+			clock-output-names = "tcon-pixel-clock";
+			resets = <&ccu RST_BUS_TCON_LCD0>, <&ccu RST_BUS_LVDS>;
+			reset-names = "lcd", "lvds";
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				tcon_lcd0_in: port@0 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <0>;
+
+					tcon_lcd0_in_tcon_top_mixer0: endpoint@0 {
+						reg = <0>;
+						remote-endpoint = <&tcon_top_mixer0_out_tcon_lcd0>;
+					};
+				};
+
+				tcon_lcd0_out: port@1 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <1>;
+
+					tcon_lcd0_out_dsi_out: endpoint@1 {
+						reg = <1>;
+						remote-endpoint = <&dsi_in_tcon_lcd0_out>;
+					};
+				};
+			};
+		};
+
 		tcon_tv0: lcd-controller@...3000 {
 			compatible = "allwinner,sun8i-r40-tcon-tv";
 			reg = <0x01c73000 0x1000>;
@@ -803,6 +843,38 @@
 			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
 		};
 
+		dsi: dsi@...0000 {
+			compatible = "allwinner,sun8i-r40-mipi-dsi",
+				     "allwinner,sun50i-a64-mipi-dsi";
+			reg = <0x01ca0000 0x1000>;
+			interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_MIPI_DSI>;
+			resets = <&ccu RST_BUS_MIPI_DSI>;
+			phys = <&dphy>;
+			phy-names = "dphy";
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port {
+				dsi_in_tcon_lcd0_out: endpoint {
+					remote-endpoint = <&tcon_lcd0_out_dsi_out>;
+				};
+			};
+		};
+
+		dphy: d-phy@...1000 {
+			compatible = "allwinner,sun8i-r40-mipi-dphy",
+				     "allwinner,sun6i-a31-mipi-dphy";
+			reg = <0x01ca1000 0x1000>;
+			clocks = <&ccu CLK_BUS_MIPI_DSI>,
+				 <&tcon_top CLK_TCON_TOP_DSI>;
+			clock-names = "bus", "mod";
+			resets = <&ccu RST_BUS_MIPI_DSI>;
+			status = "disabled";
+			#phy-cells = <0>;
+		};
+
 		hdmi: hdmi@...0000 {
 			compatible = "allwinner,sun8i-r40-dw-hdmi",
 				     "allwinner,sun8i-a83t-dw-hdmi";
-- 
2.18.0.321.gffc6fa0e3